null_safety

lib/address/address_map_page.dart

@@ -10,7 +10,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_baidu_mapapi_base/flutter_baidu_mapapi_base.dart';
 import 'package:flutter_baidu_mapapi_map/flutter_baidu_mapapi_map.dart';
-import 'package:flutter_baidu_mapapi_search/flutter_baidu_mapapi_search.dart';
 import 'package:flutter_baidu_mapapi_utils/flutter_baidu_mapapi_utils.dart';
 import 'package:flutter_bmflocation/bdmap_location_flutter_plugin.dart';
 import 'package:flutter_bmflocation/flutter_baidu_location_android_option.dart';
@@ -39,7 +38,7 @@ class _AddressMapPage extends State<AddressMapPage> {
     });
   }
 
-  LocationFlutterPlugin aMapFlutterLocation;
+  late LocationFlutterPlugin aMapFlutterLocation;
   String city = "武汉市";
   String keyWord = "";
 
@@ -49,7 +48,7 @@ class _AddressMapPage extends State<AddressMapPage> {
     aMapFlutterLocation.stopLocation();
   }
 
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void initState() {
@@ -68,13 +67,13 @@ class _AddressMapPage extends State<AddressMapPage> {
         if (event != null &&
             event["latitude"] != null &&
             event["longitude"] != null) {
-          city = event["city"];
+          city = event["city"] as String;
           BMFCoordinate latLng;
           if (event["latitude"] is String && event["longitude"] is String) {
-            latLng = BMFCoordinate(double.tryParse(event["latitude"]),
+            latLng = BMFCoordinate(double.tryParse(event["latitude"] as String),
-                double.tryParse(event["longitude"]));
+                double.tryParse(event["longitude"] as String));
           } else {
-            latLng = BMFCoordinate(event["latitude"], event["longitude"]);
+            latLng = BMFCoordinate(event["latitude"] as double, event["longitude"] as double);
           }
           BMFCalculateUtils.coordConvert(
                   coordinate: latLng,
@@ -138,11 +137,10 @@ class _AddressMapPage extends State<AddressMapPage> {
     aMapFlutterLocation.prepareLoc(androidMap, iosMap);
   }
 
-  List<Address> poiList;
+  late List<Address> poiList;
 
   searchPoi(BMFCoordinate latLng) async {
     keyWord = textEditingController.text;
-    print("keyWord: ${keyWord}");
     var addressPoi = await apiService.searchPoi(
         "${latLng.latitude}", "${latLng.longitude}", keyWord, 20, 1);
     List<dynamic> poi = addressPoi['pois'];
@@ -262,8 +260,10 @@ class _AddressMapPage extends State<AddressMapPage> {
         });
   }
 
-  BMFMapController _mapController;
+  late BMFMapController _mapController;
-  BMFCoordinate bmfCoordinate;
+  late BMFCoordinate bmfCoordinate;
+  late BMFCoordinate latLng;
+  late BMFMarker bmfMarker;
 
   void onMapCreated(BMFMapController controller) {
     controller.setMapRegionDidChangeCallback(callback: (status) {
@@ -290,9 +290,6 @@ class _AddressMapPage extends State<AddressMapPage> {
     });
   }
 
-  BMFCoordinate latLng;
-  BMFMarker bmfMarker;
-
   addMarker() {
     if (latLng == null) return;
     if (bmfMarker == null && _mapController != null) {
@@ -343,8 +340,8 @@ class _AddressMapPage extends State<AddressMapPage> {
               _mapController.updateMapOptions(
                 BMFMapOptions(
                   center: BMFCoordinate(
-                    double.tryParse(value.getString("latitude")),
+                    double.tryParse(value.getString("latitude")!),
-                    double.tryParse(value.getString("longitude")),
+                    double.tryParse(value.getString("longitude")!),
                   ),
                   zoomLevel: 15,
                 ),
@@ -354,7 +351,7 @@ class _AddressMapPage extends State<AddressMapPage> {
         });
   }
 
-  BMFMapWidget map;
+  late BMFMapWidget map;
   BMFCoordinate center = BMFCoordinate(30.553111, 114.342366);
 
   @override

lib/address/edit_address_page.dart

@@ -10,7 +10,7 @@ import 'package:shared_preferences/shared_preferences.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 
 class EditAddressPage extends StatefulWidget {
-  final Map<String, dynamic> arguments;
+  final Map<String, dynamic>? arguments;
 
   EditAddressPage({this.arguments});
 
@@ -26,7 +26,7 @@ class _EditAddressPage extends State<EditAddressPage> {
   TextEditingController addressController = TextEditingController();
   TextEditingController houseNumberController = TextEditingController();
 
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void initState() {
@@ -39,16 +39,16 @@ class _EditAddressPage extends State<EditAddressPage> {
         });
   }
 
-  Address preAddress;
+  Address? preAddress;
 
   queryAddress() async {
     if (widget.arguments == null) return;
-    preAddress = Address.fromJson(widget.arguments);
+    preAddress = Address.fromJson(widget.arguments!);
-    nameController.text = preAddress.username;
+    nameController.text = preAddress!.username!;
-    mobileController.text = preAddress.phone;
+    mobileController.text = preAddress!.phone!;
     addressController.text =
-        "${preAddress.province}${preAddress.city}${preAddress.area}";
+        "${preAddress!.province}${preAddress!.city}${preAddress!.area}";
-    houseNumberController.text = preAddress.address;
+    houseNumberController.text = preAddress!.address!;
     setState(() {});
   }
 
@@ -86,13 +86,13 @@ class _EditAddressPage extends State<EditAddressPage> {
                 children: [
                   editItem(
                       S.of(context).xingming,
-                      preAddress != null ? preAddress.username : "",
+                      preAddress != null ? preAddress!.username : "",
                       S.of(context).qingtianxiexingming,
                       nameController,
                       false),
                   editItem(
                       S.of(context).dianhua,
-                      preAddress != null ? preAddress.phone : "",
+                      preAddress != null ? preAddress!.phone : "",
                       S.of(context).qingtianxieshoujihao,
                       mobileController,
                       false),
@@ -102,14 +102,14 @@ class _EditAddressPage extends State<EditAddressPage> {
                     },
                     child: editItem(
                         S.of(context).dizhi,
-                        preAddress != null ? preAddress.address : "",
+                        preAddress != null ? preAddress!.address : "",
                         S.of(context).shouhuodizhi,
                         addressController,
                         true),
                   ),
                   editItem(
                       S.of(context).xiangxidizhi,
-                      preAddress != null ? preAddress.address : "",
+                      preAddress != null ? preAddress!.address : "",
                       S.of(context).menpaihao,
                       houseNumberController,
                       false),
@@ -141,21 +141,21 @@ class _EditAddressPage extends State<EditAddressPage> {
     );
   }
 
-  Map addressMap;
+  Map? addressMap;
 
   toMap() async {
     Navigator.of(context).pushNamed('/router/address_map_page').then(
           (value) => {
             if (value != null)
               {
-                addressMap = value,
+                addressMap = value as Map?,
                 addressController.text =
                     "${(value as Map)['province']}${(value as Map)['city']}${(value as Map)['area']}",
                 if (preAddress != null)
                   {
-                    preAddress.province = addressMap['province'],
+                    preAddress!.province = addressMap?['province'],
-                    preAddress.city = addressMap['city'],
+                    preAddress!.city = addressMap?['city'],
-                    preAddress.area = addressMap['area'],
+                    preAddress!.area = addressMap?['area'],
                   },
                 houseNumberController.text = "${(value as Map)['address']}",
               }
@@ -189,35 +189,35 @@ class _EditAddressPage extends State<EditAddressPage> {
     if (preAddress == null) {
       baseData = await apiService.addAddress({
         "address": address,
-        "area": addressMap != null ? addressMap['area'] : "",
+        "area": addressMap != null ? addressMap!['area'] : "",
-        "city": addressMap != null ? addressMap['city'] : "",
+        "city": addressMap != null ? addressMap!['city'] : "",
         "cityInfo": "",
         "isDefault": true,
-        "latitude": addressMap != null ? addressMap['latitude'] : 0,
+        "latitude": addressMap != null ? addressMap!['latitude'] : 0,
-        "longitude": addressMap != null ? addressMap['longitude'] : 0,
+        "longitude": addressMap != null ? addressMap!['longitude'] : 0,
         "phone": mobile,
-        "province": addressMap != null ? addressMap['province'] : "",
+        "province": addressMap != null ? addressMap!['province'] : "",
         "tag": "",
         "username": name
       });
     } else {
       baseData = await apiService.updateAddress({
         "address": address,
-        "area": preAddress != null ? preAddress.area : "",
+        "area": preAddress != null ? preAddress!.area : "",
-        "city": preAddress != null ? preAddress.city : "",
+        "city": preAddress != null ? preAddress!.city : "",
-        "province": preAddress != null ? preAddress.province : "",
+        "province": preAddress != null ? preAddress!.province : "",
         "cityInfo": "",
         "isDefault": true,
-        "latitude": preAddress != null ? preAddress.latitude : 0,
+        "latitude": preAddress != null ? preAddress!.latitude : 0,
-        "longitude": preAddress != null ? preAddress.longitude : 0,
+        "longitude": preAddress != null ? preAddress!.longitude : 0,
         "phone": mobile,
         "tag": "",
-        "id": preAddress != null ? preAddress.id : 0,
+        "id": preAddress != null ? preAddress!.id : 0,
         "username": name
       });
     }
 
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       SmartDialog.showToast(preAddress == null
           ? S.of(context).baocunchenggong
           : S.of(context).xiugaichenggong, alignment: Alignment.center);

lib/article/hot_article_item.dart

@@ -22,7 +22,7 @@ class HotArticlePage extends StatefulWidget {
 }
 
 class _HotArticlePage extends State<HotArticlePage> {
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void dispose() {
@@ -48,7 +48,7 @@ class _HotArticlePage extends State<HotArticlePage> {
     queryArticle();
   }
 
-  List<Article> articles = [];
+  List<Article?> articles = [];
 
   queryArticle() async {
     BaseData<PageInfo<Article>> baseData = await apiService.queryArticle({
@@ -61,14 +61,14 @@ class _HotArticlePage extends State<HotArticlePage> {
       refreshController.refreshFailed();
       refreshController.loadFailed();
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       refreshController.refreshCompleted();
       refreshController.loadComplete();
       if(pageNum == 1) {
         articles.clear();
       }
-      articles.addAll(baseData.data.list);
+      articles.addAll(baseData.data!.list!);
-      if (baseData.data.pageNum == baseData.data.pages) {
+      if (baseData.data!.pageNum == baseData.data!.pages) {
         refreshController.loadNoData();
       } else {
         pageNum += 1;

lib/article/video_playback_page.dart

@@ -13,8 +13,8 @@ class VideoPlaybackPage extends StatefulWidget {
 
 class _VideoPlaybackPage extends State<VideoPlaybackPage> {
   var controller = new ScrollController();
-  VideoPlayerController videoPlayerController;
+  late VideoPlayerController videoPlayerController;
-  ChewieController chewieController;
+  late ChewieController chewieController;
 
   @override
   void initState() {

lib/base_state.dart

@@ -10,7 +10,7 @@ abstract class BaseState<T extends StatefulWidget> extends State<T> with Widgets
   @override
   void dispose() {
     super.dispose();
-    WidgetsBinding.instance.removeObserver(this);
+    WidgetsBinding.instance!.removeObserver(this);
   }
 
   @override
@@ -32,14 +32,14 @@ abstract class BaseState<T extends StatefulWidget> extends State<T> with Widgets
   @override
   void initState() {
     super.initState();
-    WidgetsBinding.instance.addObserver(this);
+    WidgetsBinding.instance!.addObserver(this);
   }
 
   pushRoute() async {
     String startIntent = await Bridge.getStartIntent();
     SharedPreferences sharedPreferences = await SharedPreferences.getInstance();
     print("intent:$startIntent");
-    String pushData = "";
+    String? pushData = "";
     if (startIntent != null && startIntent != "") {
       pushData = startIntent;
     } else {

lib/generated/intl/messages_all.dart

@@ -30,7 +30,7 @@ Map<String, LibraryLoader> _deferredLibraries = {
   'zh_TW': () => new Future.value(null),
 };
 
-MessageLookupByLibrary _findExact(String localeName) {
+MessageLookupByLibrary? _findExact(String localeName) {
   switch (localeName) {
     case 'en':
       return messages_en.messages;
@@ -50,8 +50,7 @@ MessageLookupByLibrary _findExact(String localeName) {
 /// User programs should call this before using [localeName] for messages.
 Future<bool> initializeMessages(String localeName) async {
   var availableLocale = Intl.verifiedLocale(
-    localeName,
+      localeName, (locale) => _deferredLibraries[locale] != null,
-    (locale) => _deferredLibraries[locale] != null,
       onFailure: (_) => null);
   if (availableLocale == null) {
     return new Future.value(false);
@@ -71,9 +70,9 @@ bool _messagesExistFor(String locale) {
   }
 }
 
-MessageLookupByLibrary _findGeneratedMessagesFor(String locale) {
+MessageLookupByLibrary? _findGeneratedMessagesFor(String locale) {
-  var actualLocale = Intl.verifiedLocale(locale, _messagesExistFor,
+  var actualLocale =
-      onFailure: (_) => null);
+      Intl.verifiedLocale(locale, _messagesExistFor, onFailure: (_) => null);
   if (actualLocale == null) return null;
   return _findExact(actualLocale);
 }

lib/generated/l10n.dart

@@ -10,28 +10,43 @@ import 'intl/messages_all.dart';
 
 // ignore_for_file: non_constant_identifier_names, lines_longer_than_80_chars
 // ignore_for_file: join_return_with_assignment, prefer_final_in_for_each
-// ignore_for_file: avoid_redundant_argument_values
+// ignore_for_file: avoid_redundant_argument_values, avoid_escaping_inner_quotes
 
 class S {
   S();
 
-  static S current;
+  static S? _current;
 
-  static const AppLocalizationDelegate delegate =
+  static S get current {
-    AppLocalizationDelegate();
+    assert(_current != null,
+        'No instance of S was loaded. Try to initialize the S delegate before accessing S.current.');
+    return _current!;
+  }
+
+  static const AppLocalizationDelegate delegate = AppLocalizationDelegate();
 
   static Future<S> load(Locale locale) {
-    final name = (locale.countryCode?.isEmpty ?? false) ? locale.languageCode : locale.toString();
+    final name = (locale.countryCode?.isEmpty ?? false)
+        ? locale.languageCode
+        : locale.toString();
     final localeName = Intl.canonicalizedLocale(name);
     return initializeMessages(localeName).then((_) {
       Intl.defaultLocale = localeName;
-      S.current = S();
+      final instance = S();
+      S._current = instance;
 
-      return S.current;
+      return instance;
     });
   }
 
   static S of(BuildContext context) {
+    final instance = S.maybeOf(context);
+    assert(instance != null,
+        'No instance of S present in the widget tree. Did you add S.delegate in localizationsDelegates?');
+    return instance!;
+  }
+
+  static S? maybeOf(BuildContext context) {
     return Localizations.of<S>(context, S);
   }
 
@@ -4743,8 +4758,10 @@ class AppLocalizationDelegate extends LocalizationsDelegate<S> {
     return const <Locale>[
       Locale.fromSubtags(languageCode: 'en'),
       Locale.fromSubtags(languageCode: 'zh', countryCode: 'CN'),
-      Locale.fromSubtags(languageCode: 'zh', scriptCode: 'Hans', countryCode: 'CN'),
+      Locale.fromSubtags(
-      Locale.fromSubtags(languageCode: 'zh', scriptCode: 'Hant', countryCode: 'CN'),
+          languageCode: 'zh', scriptCode: 'Hans', countryCode: 'CN'),
+      Locale.fromSubtags(
+          languageCode: 'zh', scriptCode: 'Hant', countryCode: 'CN'),
       Locale.fromSubtags(languageCode: 'zh', countryCode: 'TW'),
     ];
   }
@@ -4757,13 +4774,11 @@ class AppLocalizationDelegate extends LocalizationsDelegate<S> {
   bool shouldReload(AppLocalizationDelegate old) => false;
 
   bool _isSupported(Locale locale) {
-    if (locale != null) {
     for (var supportedLocale in supportedLocales) {
       if (supportedLocale.languageCode == locale.languageCode) {
         return true;
       }
     }
-    }
     return false;
   }
 }

lib/home/activity_list_page.dart

@@ -25,7 +25,7 @@ class ActivityListPage extends StatefulWidget {
 
 class _ActivityListPage extends State<ActivityListPage>
     with AutomaticKeepAliveClientMixin {
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void initState() {
@@ -43,7 +43,7 @@ class _ActivityListPage extends State<ActivityListPage>
     });
   }
 
-  List<Activity> activityList;
+  late List<Activity?> activityList;
 
   queryActivity() async {
     BaseData<PageInfo<Activity>> baseData = await apiService.informationList({
@@ -55,10 +55,10 @@ class _ActivityListPage extends State<ActivityListPage>
     }).catchError((error) {
       _refreshController.refreshFailed();
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       _refreshController.refreshCompleted();
       setState(() {
-        activityList = baseData.data.list;
+        activityList = baseData.data!.list!;
       });
     }
   }
@@ -95,7 +95,7 @@ class _ActivityListPage extends State<ActivityListPage>
               return InkWell(
                 onTap: () {
                   Navigator.of(context).pushNamed('/router/store_detail_page',
-                      arguments: {"activityId": activityList[position].id});
+                      arguments: {"activityId": activityList[position]!.id});
                 },
                 child: FrameSeparateWidget(
                   child: activityItem(activityList[position]),
@@ -127,7 +127,7 @@ class _ActivityListPage extends State<ActivityListPage>
     );
   }
 
-  Widget activityItem(Activity activity) {
+  Widget activityItem(Activity? activity) {
     return Container(
       margin: EdgeInsets.only(left: 16.w, right: 16.w, top: 8.h, bottom: 12.h),
       decoration: BoxDecoration(
@@ -145,7 +145,7 @@ class _ActivityListPage extends State<ActivityListPage>
       child: Column(
         children: [
           MImage(
-            activity.coverImg,
+            activity!.coverImg!,
             aspectRatio: 2.1,
             radius: BorderRadius.only(
               topLeft: Radius.circular(8),
@@ -163,7 +163,7 @@ class _ActivityListPage extends State<ActivityListPage>
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
                 Text(
-                  activity.mainTitle,
+                  activity!.mainTitle!,
                   maxLines: 1,
                   overflow: TextOverflow.ellipsis,
                   style: TextStyle(
@@ -198,7 +198,7 @@ class _ActivityListPage extends State<ActivityListPage>
                     mainAxisAlignment: MainAxisAlignment.spaceBetween,
                     children: [
                       Text(
-                        activity.storeName == null ? "" : activity.storeName,
+                        activity.storeName == null ? "" : activity.storeName!,
                         style: TextStyle(
                           color: Color(0xFF060606),
                           fontWeight: FontWeight.w400,
@@ -210,7 +210,7 @@ class _ActivityListPage extends State<ActivityListPage>
                         mainAxisAlignment: MainAxisAlignment.center,
                         children: [
                           Text(
-                            activity.startTime.split(" ")[0],
+                            activity.startTime!.split(" ")[0],
                             style: TextStyle(
                               color: Color(0xFFB5B5B5),
                               fontSize: 12.sp,
@@ -221,7 +221,7 @@ class _ActivityListPage extends State<ActivityListPage>
                             width: 4.w,
                           ),
                           Text(
-                            activity.startTime.split(" ")[1],
+                            activity.startTime!.split(" ")[1],
                             style: TextStyle(
                               color: Color(0xFFB5B5B5),
                               fontSize: 12.sp,

lib/home/guide_page.dart

@@ -370,7 +370,7 @@ class _GuidePage extends State<GuidePage> {
   toNext() {
     SharedPreferences.getInstance().then((value) {
       value.setBool("isFirst", false);
-      String token = value.getString("token");
+      String? token = value.getString("token");
       if (token == null || token == "") {
         Navigator.of(context).popAndPushNamed('/router/login_page');
       } else {

lib/home/home_page.dart

@@ -32,15 +32,14 @@ class HomePage extends StatefulWidget {
 
   @override
   State<StatefulWidget> createState() {
-    return _HomePage(callback);
+    return _HomePage();
   }
 }
 
 class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
-  ApiService apiService;
+  late ApiService apiService;
-  final GestureTapCallback callback;
+  // late final GestureTapCallback? callback;
-
+  // _HomePage(this.callback);
-  _HomePage(this.callback);
 
   @override
   void initState() {
@@ -77,11 +76,11 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
 
   SwiperController controller = SwiperController();
 
-  List<BannerData> bannerData = [];
+  List<BannerData?> bannerData = [];
-  List<Brand> brandData = [];
+  List<Brand?> brandData = [];
-  List<Article> articles = [];
+  List<Article?> articles = [];
-  List<Goods> gooods = [];
+  List<Goods?> gooods = [];
-  Founder founder;
+  late Founder founder;
 
   queryHome() async {
     SmartDialog.showLoading(
@@ -92,9 +91,9 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
     }).catchError((onError) {
       refreshController.refreshFailed();
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       bannerData.clear();
-      bannerData.addAll(baseData.data.records);
+      bannerData.addAll(baseData.data!.records!);
       setState(() {
         if (bannerData.length > 0)
           controller.move(0, animation: false);
@@ -104,7 +103,7 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
     BaseData brand = await apiService.queryHomeBrand().catchError((onError) {
       refreshController.refreshFailed();
     });
-    if (brand != null && brand.isSuccess) {
+    if (brand != null && brand.isSuccess!) {
       brandData.clear();
       brandData.addAll((brand.data["brandList"] as List<dynamic>)
           .map((e) => Brand.fromJson(e))
@@ -122,8 +121,8 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
       refreshController.refreshFailed();
     });
     articles.clear();
-    if (article != null && article.isSuccess) {
+    if (article != null && article.isSuccess!) {
-      articles.addAll(article.data.list);
+      articles.addAll(article.data!.list!);
     }
 
     BaseData<PageInfo<Goods>> goodsData = await apiService.creditGoods({
@@ -133,12 +132,12 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
       "pageSize": 10,
       "state": 1
     });
-    if (goodsData != null && goodsData.isSuccess) {
+    if (goodsData != null && goodsData.isSuccess!) {
       gooods.clear();
-      gooods.addAll(goodsData.data.list);
+      gooods.addAll(goodsData.data!.list!);
     }
     SmartDialog.dismiss();
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       refreshController.refreshCompleted();
       if (mounted) setState(() {});
     } else {
@@ -259,7 +258,9 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
                           ),
                         ),
                         GestureDetector(
-                          onTap: callback,
+                          onTap: (){
+                            widget.callback();
+                          },
                           child: Container(
                             padding: EdgeInsets.symmetric(
                                 vertical: 3.h, horizontal: 8.w),
@@ -352,7 +353,7 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
         clipBehavior: Clip.hardEdge,
         children: [
           MImage(
-            founder != null ? founder.imgUrl : "",
+            founder != null ? founder.imgUrl! : "",
             aspectRatio: 2,
             radius: BorderRadius.circular(4.w),
             fit: BoxFit.cover,
@@ -391,7 +392,7 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
                               ),
                             ),
                             Text(
-                              founder != null ? founder.name : "",
+                              founder != null ? founder.name! : "",
                               style: TextStyle(
                                 fontSize: 14.sp,
                                 fontWeight: FontWeight.bold,
@@ -460,7 +461,7 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
         return GestureDetector(
           onTap: () {
             Navigator.of(context).pushNamed('/router/integral_store_page',
-                arguments: {"goodsId": gooods[index].id});
+                arguments: {"goodsId": gooods[index]!.id});
           },
           child: buildItem(gooods[index]),
         );
@@ -468,13 +469,13 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
     );
   }
 
-  Widget buildItem(Goods goods) {
+  Widget buildItem(Goods? goods) {
     return Container(
       alignment: Alignment.center,
       child: Column(
         children: [
           MImage(
-            goods.mainImgPath,
+            goods!.mainImgPath!,
             aspectRatio: 5 / 3,
             radius: BorderRadius.circular(4),
             fit: BoxFit.cover,
@@ -498,7 +499,7 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
                     Expanded(
                       flex: 1,
                       child: Text(
-                        goods.name,
+                        goods.name!,
                         overflow: TextOverflow.ellipsis,
                         style: TextStyle(
                           color: Color(0xff353535),
@@ -522,7 +523,7 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
                   height: 5.h,
                 ),
                 Text(
-                  goods.description,
+                  goods.description!,
                   overflow: TextOverflow.ellipsis,
                   maxLines: 2,
                   style: TextStyle(
@@ -619,7 +620,7 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
               borderRadius: BorderRadius.circular(8),
             ),
             child: MImage(
-              brandData != null ? brandData[position].image : "",
+              brandData != null ? brandData[position]!.image! : "",
               radius: BorderRadius.circular(8),
               fit: BoxFit.cover,
               errorSrc: "assets/image/default_2_1.png",
@@ -663,7 +664,7 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
                 ),
                 child: MImage(
                   (bannerData != null && position < bannerData.length)
-                      ? bannerData[position].imgUrl ?? ""
+                      ? bannerData[position]!.imgUrl! ?? ""
                       : "",
                   radius: BorderRadius.circular(8),
                   fit: BoxFit.cover,
@@ -680,8 +681,8 @@ class _HomePage extends State<HomePage> with AutomaticKeepAliveClientMixin {
   }
 
   /// contentType     跳转类型（0：不跳转，1：积分商品，2：活动，3：文章）
-  bannerClick(BannerData bannerData) async {
+  bannerClick(BannerData? bannerData) async {
-    switch (bannerData.contentType) {
+    switch (bannerData!.contentType) {
       case 1:
         Navigator.of(context).pushNamed('/router/integral_store_page',
             arguments: {"goodsId": bannerData.content});

lib/home/huixiang_brand_page.dart

@@ -34,11 +34,11 @@ class _BrandPage extends State<BrandPage>
     with SingleTickerProviderStateMixin, AutomaticKeepAliveClientMixin {
   ScrollController scrollController = ScrollController();
 
-  ApiService apiService;
+  late ApiService apiService;
-  List<Brand> brands = [];
+  List<Brand>? brands = [];
-  BrandData brandData;
+  BrandData? brandData;
   List<GlobalKey> globaKeys = [];
-  List<BannerData> bannerData = [];
+  List<BannerData?> bannerData = [];
 
   // List<String> brandText = [];
   var isShowMore = false;
@@ -53,20 +53,20 @@ class _BrandPage extends State<BrandPage>
       refreshController.refreshFailed();
     });
     bannerData.clear();
-    bannerData.addAll(banner.data.records);
+    bannerData.addAll(banner.data!.records!);
 
     BaseData brand = await apiService.queryHomeBrand().catchError((onError) {
       refreshController.refreshFailed();
     }).catchError((onError) {
       refreshController.refreshFailed();
     });
-    if (brand != null && brand.isSuccess) {
+    if (brand != null && brand.isSuccess!) {
-      brands.clear();
+      brands!.clear();
       globaKeys.clear();
-      brands.addAll((brand.data["brandList"] as List<dynamic>)
+      brands!.addAll((brand.data["brandList"] as List<dynamic>)
           .map((e) => Brand.fromJson(e))
           .toList());
-      brands.forEach((element) {
+      brands!.forEach((element) {
         globaKeys.add(GlobalKey());
       });
       setState(() {});
@@ -74,7 +74,7 @@ class _BrandPage extends State<BrandPage>
       refreshController.refreshFailed();
     }
 
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       refreshController.refreshCompleted();
       brandData = baseData.data;
       setState(() {});
@@ -145,12 +145,12 @@ class _BrandPage extends State<BrandPage>
               left: 0,
               right: 0,
             ),
-            if (brands != null && brands.length > 0)
+            if (brands != null && brands!.length > 0)
               Positioned(
                 child: Container(
                   color: Colors.white,
                   child: StoreTitleTab(
-                    brands,
+                    brands!,
                     globaKeys,
                     scrollController,
                     isScroll: true,
@@ -178,9 +178,9 @@ class _BrandPage extends State<BrandPage>
       )
     ];
     if (brands == null) return widgets;
-    brands.forEach((value) {
+    brands!.forEach((value) {
       widgets.add(Container(
-        key: globaKeys[brands.indexOf(value)],
+        key: globaKeys[brands!.indexOf(value)],
         child: Container(
           color: Colors.white,
           child: Html(
@@ -231,7 +231,7 @@ class _BrandPage extends State<BrandPage>
               children: [
                 ClipOval(
                   child: MImage(
-                    brandData == null ? "" : brandData.originAvatar,
+                    brandData == null ? "" : brandData!.originAvatar!,
                     fit: BoxFit.cover,
                     width: 60,
                     height: 60,
@@ -252,7 +252,7 @@ class _BrandPage extends State<BrandPage>
                           TextSpan(children: [
                             TextSpan(
                               text:
-                                  brandData == null ? "" : brandData.originator,
+                                  brandData == null ? "" : brandData!.originator,
                               style: TextStyle(
                                 fontWeight: FontWeight.bold,
                                 fontSize: 14.sp,
@@ -270,7 +270,7 @@ class _BrandPage extends State<BrandPage>
                           textDirection: TextDirection.ltr,
                         ),
                         Text(
-                          brandData == null ? "" : brandData.originDesc,
+                          brandData == null ? "" : brandData!.originDesc!,
                           overflow: isShowMore
                               ? TextOverflow.visible
                               : TextOverflow.ellipsis,
@@ -325,7 +325,7 @@ class _BrandPage extends State<BrandPage>
               Navigator.of(context).pushNamed('/router/founder_story_page');
             },
             child: Text(
-              brandData == null ? "" : brandData.company,
+              brandData == null ? "" : brandData!.company!,
               style: TextStyle(
                 fontSize: 16.sp,
                 fontWeight: FontWeight.bold,
@@ -341,7 +341,7 @@ class _BrandPage extends State<BrandPage>
               Navigator.of(context).pushNamed('/router/founder_story_page');
             },
             child: Text(
-              brandData == null ? "" : brandData.companyDesc,
+              brandData == null ? "" : brandData!.companyDesc!,
               textAlign: TextAlign.justify,
               style: TextStyle(
                 fontSize: 12.sp,
@@ -483,7 +483,7 @@ class _BrandPage extends State<BrandPage>
                 },
                 child: MImage(
                   (bannerData != null && position < bannerData.length)
-                      ? bannerData[position].imgUrl
+                      ? bannerData[position]!.imgUrl!
                       : "",
                   fit: BoxFit.cover,
                   radius: BorderRadius.circular(8),
@@ -500,8 +500,8 @@ class _BrandPage extends State<BrandPage>
   }
 
   /// contentType     跳转类型（0：不跳转，1：积分商品，2：活动，3：文章）
-  bannerClick(BannerData bannerData) async {
+  bannerClick(BannerData? bannerData) async {
-    switch (bannerData.contentType) {
+    switch (bannerData!.contentType) {
       case 1:
         Navigator.of(context).pushNamed('/router/integral_store_page',
             arguments: {"goodsId": bannerData.content});

lib/home/main_home_page.dart

@@ -18,8 +18,8 @@ class MainHomePage extends StatefulWidget {
 
 class _MainHomePage extends State<MainHomePage>
     with SingleTickerProviderStateMixin, AutomaticKeepAliveClientMixin {
-  TabController tabcontroller;
+  late TabController tabcontroller;
-  List<Widget> _widgetOptions;
+  late List<Widget> _widgetOptions;
 
   @override
   void initState() {

lib/home/points_mall_page.dart

@@ -37,7 +37,7 @@ class _PointsMallPage extends State<PointsMallPage>
     with SingleTickerProviderStateMixin, AutomaticKeepAliveClientMixin {
   var _itemText = S.current.morenpaixu;
 
-  ApiService client;
+  late ApiService client;
   RefreshController _refreshController = RefreshController(
       initialRefresh: false, initialLoadStatus: LoadStatus.canLoading);
   List<String> sortString = [
@@ -90,10 +90,10 @@ class _PointsMallPage extends State<PointsMallPage>
 
   //是否降序排列
   bool orderDesc = true;
-  List<Goods> goods = [];
+  List<Goods?> goods = [];
-  List<GoodsCategory> gooodsCategorys = [];
+  List<GoodsCategory?> gooodsCategorys = [];
-  UserInfo userinfo;
+  UserInfo? userinfo;
-  List<BannerData> bannerData = [];
+  List<BannerData?> bannerData = [];
 
   queryUser() async {
     BaseData<PageInfo<BannerData>> banner = await client.queryBanner({
@@ -102,12 +102,12 @@ class _PointsMallPage extends State<PointsMallPage>
 
     if (banner != null) {
       bannerData.clear();
-      bannerData.addAll(banner.data.records);
+      bannerData.addAll(banner.data!.records!);
       setState(() {});
     }
 
     BaseData<UserInfo> baseData = await client.queryInfo();
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       userinfo = baseData.data;
       SharedPreferences.getInstance().then((value) => {
             value.setString('user', jsonEncode(baseData.data)),
@@ -129,10 +129,10 @@ class _PointsMallPage extends State<PointsMallPage>
       _refreshController.refreshFailed();
     });
 
-    if (dataCategory != null && dataCategory.isSuccess) {
+    if (dataCategory != null && dataCategory.isSuccess!) {
       gooodsCategorys.clear();
       gooodsCategorys.add(GoodsCategory(name: S.of(context).quanbu));
-      gooodsCategorys.addAll(dataCategory.data.records);
+      gooodsCategorys.addAll(dataCategory!.data!.records!);
     }
 
     var param = {
@@ -148,15 +148,15 @@ class _PointsMallPage extends State<PointsMallPage>
       _refreshController.refreshFailed();
     });
     SmartDialog.dismiss();
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       if (pageNum == 1) {
         goods.clear();
       }
-      goods.addAll(baseData.data.list);
+      goods.addAll(baseData.data!.list!);
       setState(() {
         _refreshController.refreshCompleted();
         _refreshController.loadComplete();
-        if (baseData.data.pageNum == baseData.data.pages) {
+        if (baseData.data!.pageNum == baseData.data!.pages) {
           _refreshController.loadNoData();
         } else {
           pageNum += 1;
@@ -168,7 +168,7 @@ class _PointsMallPage extends State<PointsMallPage>
     }
   }
 
-  String categoryId;
+  String? categoryId;
 
   _refresh() {
     pageNum = 1;
@@ -199,7 +199,7 @@ class _PointsMallPage extends State<PointsMallPage>
       physics: BouncingScrollPhysics(),
       footer: CustomFooter(
         loadStyle: LoadStyle.ShowWhenLoading,
-        builder: (BuildContext context, LoadStatus mode) {
+        builder: (BuildContext context, LoadStatus? mode) {
           return MyFooter(mode);
         },
       ),
@@ -247,10 +247,10 @@ class _PointsMallPage extends State<PointsMallPage>
                     tabs: gooodsCategorys == null
                         ? []
                         : gooodsCategorys
-                            .map((e) => Tab(text: e.name))
+                            .map((e) => Tab(text: e!.name))
                             .toList(),
                     onTap: (index) {
-                      categoryId = gooodsCategorys[index].id;
+                      categoryId = gooodsCategorys[index]!.id;
                       pageNum = 1;
                       creditGoods(categoryId);
                     },
@@ -291,9 +291,9 @@ class _PointsMallPage extends State<PointsMallPage>
 
   _toDetails(index) async {
     await Navigator.of(context).pushNamed('/router/integral_store_page',
-        arguments: {"goodsId": goods[index].id});
+        arguments: {"goodsId": goods[index]!.id});
     SharedPreferences sharedPreferences = await SharedPreferences.getInstance();
-    String token = sharedPreferences.getString("token");
+    String? token = sharedPreferences.getString("token");
     if (token != null && token != "") queryUser();
   }
 
@@ -328,7 +328,7 @@ class _PointsMallPage extends State<PointsMallPage>
     });
   }
 
-  Widget buildItem(Goods goods) {
+  Widget buildItem(Goods? goods) {
     return Container(
       alignment: Alignment.center,
       decoration: BoxDecoration(
@@ -350,7 +350,7 @@ class _PointsMallPage extends State<PointsMallPage>
             mainAxisSize: MainAxisSize.max,
             children: [
               MImage(
-                goods.mainImgPath,
+                goods!.mainImgPath!,
                 aspectRatio: 1,
                 radius: BorderRadius.only(
                   topLeft: Radius.circular(4),
@@ -372,7 +372,7 @@ class _PointsMallPage extends State<PointsMallPage>
                     crossAxisAlignment: CrossAxisAlignment.start,
                     children: [
                       Text(
-                        goods.name,
+                        goods!.name!,
                         overflow: TextOverflow.ellipsis,
                         style: TextStyle(
                           color: Color(0xff353535),
@@ -386,7 +386,7 @@ class _PointsMallPage extends State<PointsMallPage>
                       Container(
                         height: 35.h * AppUtils.textScale(context),
                         child: Text(
-                          goods.description,
+                          goods!.description!,
                           maxLines: 2,
                           overflow: TextOverflow.ellipsis,
                           style: TextStyle(
@@ -405,7 +405,7 @@ class _PointsMallPage extends State<PointsMallPage>
                         children: [
                           Expanded(
                             child: Text(
-                              S.of(context).yuan_(goods.worth),
+                              S.of(context).yuan_(goods!.worth!),
                               style: TextStyle(
                                 color: Color(0xFF585858),
                                 decoration: TextDecoration.lineThrough,
@@ -417,7 +417,7 @@ class _PointsMallPage extends State<PointsMallPage>
                             flex: 1,
                           ),
                           Text(
-                            S.of(context).jifen_(goods.price),
+                            S.of(context).jifen_(goods!.price!),
                             style: TextStyle(
                               color: Color(0xFF32A060),
                               fontSize: 14.sp,
@@ -437,7 +437,7 @@ class _PointsMallPage extends State<PointsMallPage>
             ],
           ),
           Visibility(
-            visible: goods.isHot,
+            visible: goods!.isHot!,
             child: ClipRRect(
               borderRadius: BorderRadius.only(topRight: Radius.circular(4)),
               child: Image.asset(
@@ -469,7 +469,7 @@ class _PointsMallPage extends State<PointsMallPage>
         child: Row(
           children: [
             MImage(
-              userinfo != null ? userinfo.headimg : "",
+              userinfo != null ? userinfo!.headimg! : "",
               width: 50,
               height: 50,
               isCircle: true,
@@ -496,7 +496,7 @@ class _PointsMallPage extends State<PointsMallPage>
                         : Row(
                             children: [
                               Text(
-                                userinfo.nickname,
+                                userinfo!.nickname!,
                                 style: TextStyle(
                                     fontSize: 16.sp,
                                     fontWeight: FontWeight.w500,
@@ -525,7 +525,7 @@ class _PointsMallPage extends State<PointsMallPage>
                             ),
                           )
                         : Text(
-                            userinfo == null ? "" : "NO.${userinfo.vipNo}",
+                            userinfo == null ? "" : "NO.${userinfo!.vipNo}",
                             style: TextStyle(
                               fontSize: 12.sp,
                               fontWeight: FontWeight.w400,
@@ -562,7 +562,7 @@ class _PointsMallPage extends State<PointsMallPage>
                           height: 4.h,
                         ),
                         Text(
-                          (userinfo != null) ? "${userinfo.points}" : "",
+                          (userinfo != null) ? "${userinfo!.points}" : "",
                           style: TextStyle(
                             fontSize: 16.sp,
                             color: Color(0xFFF8BA61),
@@ -609,7 +609,7 @@ class _PointsMallPage extends State<PointsMallPage>
                 ),
                 child: MImage(
                   bannerData != null && position < bannerData.length
-                      ? bannerData[position].imgUrl
+                      ? bannerData[position]!.imgUrl!
                       : "",
                   radius: BorderRadius.circular(8),
                   fit: BoxFit.cover,
@@ -626,8 +626,8 @@ class _PointsMallPage extends State<PointsMallPage>
   }
 
   /// contentType     跳转类型（0：不跳转，1：积分商品，2：活动，3：文章）
-  bannerClick(BannerData bannerData) async {
+  bannerClick(BannerData? bannerData) async {
-    switch (bannerData.contentType) {
+    switch (bannerData!.contentType) {
       case 1:
         Navigator.of(context).pushNamed('/router/integral_store_page',
             arguments: {"goodsId": bannerData.content});

lib/integral/integral_detailed_page.dart

@@ -24,8 +24,8 @@ class IntegralDetailedPage extends StatefulWidget {
 
 class _IntegralDetailedPage extends State<IntegralDetailedPage>
     with SingleTickerProviderStateMixin {
-  List<Widget> _tabs;
+  List<Widget>? _tabs;
-  TabController tabController;
+  late TabController tabController;
 
   @override
   void didChangeDependencies() {
@@ -49,8 +49,8 @@ class _IntegralDetailedPage extends State<IntegralDetailedPage>
       });
   }
 
-  ApiService apiService;
+  late ApiService apiService;
-  UserInfo userInfo;
+  UserInfo? userInfo;
 
   @override
   void dispose() {
@@ -63,13 +63,13 @@ class _IntegralDetailedPage extends State<IntegralDetailedPage>
     super.initState();
     SharedPreferences.getInstance().then((value) => {
           apiService = ApiService(Dio(), token: value.getString("token")),
-          userInfo = UserInfo.fromJson(jsonDecode(value.getString('user'))),
+          userInfo = UserInfo.fromJson(jsonDecode(value.getString('user')!)),
           queryDetail("bill_cate_point_get"),
         });
   }
 
   int current = 1;
-  List<UserBill> userBill = [];
+  List<UserBill?> userBill = [];
 
   queryDetail(category) async {
     BaseData<PageInfo<UserBill>> baseData = await apiService.queryBillInfo({
@@ -83,11 +83,11 @@ class _IntegralDetailedPage extends State<IntegralDetailedPage>
       refreshController.refreshFailed();
     });
     if (current == 1) userBill.clear();
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
-      userBill.addAll(baseData.data.records);
+      userBill.addAll(baseData.data!.records!);
       refreshController.loadComplete();
       refreshController.refreshCompleted();
-      if (current * 10 > int.tryParse(baseData.data.total)) {
+      if (current * 10 > int.tryParse(baseData.data!.total!)!) {
         refreshController.loadNoData();
       } else {
         current += 1;
@@ -159,7 +159,7 @@ class _IntegralDetailedPage extends State<IntegralDetailedPage>
                     crossAxisAlignment: CrossAxisAlignment.center,
                     children: [
                       Text(
-                        userInfo != null ? userInfo.points : "0",
+                        userInfo != null ? userInfo!.points! : "0",
                         style: TextStyle(
                             color: Colors.white,
                             fontWeight: FontWeight.bold,
@@ -178,7 +178,7 @@ class _IntegralDetailedPage extends State<IntegralDetailedPage>
               bottom: PreferredSize(
                 preferredSize: Size(double.infinity, 38),
                 child: TabBar(
-                  tabs: _tabs,
+                  tabs: _tabs!,
                   controller: tabController,
                   isScrollable: false,
                   indicatorSize: TabBarIndicatorSize.label,
@@ -247,13 +247,13 @@ class _IntegralDetailedPage extends State<IntegralDetailedPage>
                             crossAxisAlignment: CrossAxisAlignment.start,
                             children: [
                               Text(
-                                userBill[position].name ?? "",
+                                userBill![position]!.name ?? "",
                                 // S.of(context).qiandao,
                                 style: TextStyle(
                                     color: Colors.black, fontSize: 12),
                               ),
                               Text(
-                                userBill[position].createTime ?? "",
+                                userBill![position]!.createTime ?? "",
                                 style: TextStyle(
                                     color: Color(0xFF727272), fontSize: 10),
                               )
@@ -263,7 +263,7 @@ class _IntegralDetailedPage extends State<IntegralDetailedPage>
                         Container(
                           margin: EdgeInsets.only(top: 2),
                           child: Text(
-                            "${tabController.index == 0 ? "+" : "-"}${double.tryParse(userBill[position].number ?? "0").toInt().toString()}",
+                            "${tabController.index == 0 ? "+" : "-"}${double.tryParse(userBill[position]!.number ?? "0")!.toInt().toString()}",
                             style: TextStyle(
                                 color: Color(0xFF727272), fontSize: 12),
                           ),

lib/integral/integral_page.dart

@@ -26,11 +26,11 @@ class IntegralPage extends StatefulWidget {
 }
 
 class _IntegralPage extends State<IntegralPage> {
-  ApiService apiService;
+  late ApiService apiService;
-  SignInfo signInfo;
+  SignInfo? signInfo;
 
-  UserInfo userinfo;
+  UserInfo? userinfo;
-  List<Rank> ranks = [];
+  List<Rank?> ranks = [];
   int rankLevel = 1;
 
   @override
@@ -42,7 +42,7 @@ class _IntegralPage extends State<IntegralPage> {
           context: context,
           token: value.getString("token"),
           showLoading: false);
-      userinfo = UserInfo.fromJson(jsonDecode(value.getString("user")));
+      userinfo = UserInfo.fromJson(jsonDecode(value.getString("user")!));
       SmartDialog.showLoading(msg: S.of(context).zhengzaijiazai, animationDurationTemp: Duration(seconds: 1));
       querySignInfo();
     });
@@ -52,21 +52,21 @@ class _IntegralPage extends State<IntegralPage> {
     BaseData<SignInfo> baseData = await apiService.signInInfo();
 
     BaseData<List<Rank>> rankData = await apiService.rankList();
-    if (rankData != null && rankData.isSuccess) {
+    if (rankData != null && rankData.isSuccess!) {
       ranks.clear();
-      ranks.addAll(rankData.data);
+      ranks.addAll(rankData.data!);
     }
 
     if (userinfo != null &&
-        userinfo.memberRankVo != null &&
+        userinfo!.memberRankVo != null &&
         ranks != null &&
         ranks.length > 0) {
       rankLevel = (ranks
-              .indexWhere((element) => element.id == userinfo.memberRankVo.id) +
+              .indexWhere((element) => element?.id == userinfo!.memberRankVo?.id) +
           1);
     }
     SmartDialog.dismiss(closeType: 3);
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       signInfo = baseData.data;
       setState(() {});
     }
@@ -178,12 +178,12 @@ class _IntegralPage extends State<IntegralPage> {
                     return taskPage(position);
                   },
                   itemCount: (signInfo != null &&
-                          signInfo.taskList != null &&
+                          signInfo!.taskList != null &&
-                          signInfo.taskList.length > 0)
+                          signInfo!.taskList!.length > 0)
-                      ? (signInfo.taskList.length < 3
+                      ? (signInfo!.taskList!.length < 3
                           ? 1
-                          : (signInfo.taskList.length ~/ 3 +
+                          : (signInfo!.taskList!.length ~/ 3 +
-                              (signInfo.taskList.length % 3 > 0 ? 1 : 0)))
+                              (signInfo!.taskList!.length % 3 > 0 ? 1 : 0)))
                       : 1),
             ),
           ),
@@ -193,22 +193,22 @@ class _IntegralPage extends State<IntegralPage> {
   }
 
   Widget taskPage(position) {
-    if (signInfo == null || signInfo.taskList == null) return Container();
+    if (signInfo == null || signInfo!.taskList == null) return Container();
     return Container(
       margin: EdgeInsets.only(left: 10.w, right: 10.w, top: 16.h),
       child: Column(
         children: [
-          tashItem(signInfo.taskList[position * 3 + 0]),
+          tashItem(signInfo!.taskList![position * 3 + 0]),
-          if (signInfo.taskList.length > (position * 3 + 1))
+          if (signInfo!.taskList!.length > (position * 3 + 1))
-            tashItem(signInfo.taskList[position * 3 + 1]),
+            tashItem(signInfo!.taskList![position * 3 + 1]),
-          if (signInfo.taskList.length > (position * 3 + 2))
+          if (signInfo!.taskList!.length > (position * 3 + 2))
-            tashItem(signInfo.taskList[position * 3 + 2]),
+            tashItem(signInfo!.taskList![position * 3 + 2]),
         ],
       ),
     );
   }
 
-  taskImg(String taskType) {
+  taskImg(String? taskType) {
     switch (taskType) {
       case "bill_type_point_login":
         return "assets/image/icon_integral_share.png";
@@ -223,14 +223,14 @@ class _IntegralPage extends State<IntegralPage> {
     return "assets/image/icon_integral_share.png";
   }
 
-  Widget tashItem(Task task) {
+  Widget tashItem(Task? task) {
     return Container(
       margin: EdgeInsets.only(top: 8.h, bottom: 8.h),
       alignment: Alignment.center,
       child: Row(
         children: [
           Image.asset(
-            taskImg(task.type),
+            taskImg(task!.type),
             width: 24.w,
             height: 24.h,
           ),
@@ -244,7 +244,7 @@ class _IntegralPage extends State<IntegralPage> {
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
                 Text(
-                  task.name,
+                  task!.name!,
                   style: TextStyle(
                     fontSize: 14.sp,
                     fontWeight: FontWeight.w400,
@@ -257,7 +257,7 @@ class _IntegralPage extends State<IntegralPage> {
                 Row(
                   children: [
                     Text(
-                      "+${double.tryParse(task.rewardValue).toInt()}",
+                      "+${double.tryParse(task!.rewardValue!)!.toInt()}",
                       style: TextStyle(
                         fontSize: 12.sp,
                         color: Color(0xFF727272),
@@ -356,8 +356,8 @@ class _IntegralPage extends State<IntegralPage> {
         padding: EdgeInsets.all(4),
         decoration: BoxDecoration(
           color: (signInfo != null &&
-                  signInfo.signInList != null &&
+                  signInfo!.signInList != null &&
-                  signInfo.signInList.length > position)
+                  signInfo!.signInList!.length > position)
               ? Color(0xFF32A060)
               : Color(0xFFF0F0F2),
           borderRadius: BorderRadius.circular(4),
@@ -370,8 +370,8 @@ class _IntegralPage extends State<IntegralPage> {
               "0${position + 1}",
               style: TextStyle(
                 color: (signInfo != null &&
-                        signInfo.signInList != null &&
+                        signInfo!.signInList != null &&
-                        signInfo.signInList.length > position)
+                        signInfo!.signInList!.length > position)
                     ? Colors.white
                     : Color(0xFF353535),
                 fontSize: 14.sp,
@@ -393,14 +393,14 @@ class _IntegralPage extends State<IntegralPage> {
               ),
               child: Text(
                 (signInfo != null &&
-                        signInfo.rewardList != null &&
+                        signInfo!.rewardList != null &&
-                        signInfo.rewardList.length > position)
+                        signInfo!.rewardList!.length > position)
-                    ? "+${signInfo.rewardList[position]}"
+                    ? "+${signInfo!.rewardList![position]}"
                     : "+10",
                 style: TextStyle(
                   color: (signInfo != null &&
-                          signInfo.signInList != null &&
+                          signInfo!.signInList != null &&
-                          signInfo.signInList.length > position)
+                          signInfo!.signInList!.length > position)
                       ? Colors.white
                       : Color(0xFF727272),
                   fontSize: 12.sp,
@@ -477,11 +477,11 @@ class _IntegralPage extends State<IntegralPage> {
               child: RoundButton(
                 width: 106,
                 height: 34,
-                text: (signInfo != null && signInfo.todayHasSignin)
+                text: (signInfo != null && signInfo!.todayHasSignin!)
                     ? S.of(context).yiqiandao
                     : S.of(context).lijiqiandao,
                 textColor: Colors.white,
-                backgroup: (signInfo != null && signInfo.todayHasSignin)
+                backgroup: (signInfo != null && signInfo!.todayHasSignin!)
                     ? Colors.grey
                     : Color(0xFF32A060),
                 fontSize: 16.sp,
@@ -498,17 +498,17 @@ class _IntegralPage extends State<IntegralPage> {
 
   ///立即签到
   signIn() async {
-    if ((signInfo != null && signInfo.todayHasSignin)) {
+    if ((signInfo != null && signInfo!.todayHasSignin!)) {
       SmartDialog.showToast("今日已签到了", alignment: Alignment.center);
       return;
     }
     SmartDialog.showLoading(msg: S.of(context).zhengzaijiazai);
     BaseData baseData = await apiService.signIn();
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       querySignInfo();
       SmartDialog.show(
-          widget: SignInWidget("${signInfo.signInList.length + 1}",
+          widget: SignInWidget("${signInfo!.signInList!.length + 1}",
-              "${signInfo.rewardList[signInfo.signInList.length]}"));
+              "${signInfo!.rewardList![signInfo!.signInList!.length]}"));
     } else {
       SmartDialog.dismiss();
     }
@@ -528,7 +528,7 @@ class _IntegralPage extends State<IntegralPage> {
                 crossAxisAlignment: CrossAxisAlignment.center,
                 children: [
                   Text(
-                    signInfo != null ? "${signInfo.point}" : "0",
+                    signInfo != null ? "${signInfo!.point}" : "0",
                     style: TextStyle(
                       fontWeight: FontWeight.w500,
                       fontSize: 21.sp,
@@ -563,9 +563,9 @@ class _IntegralPage extends State<IntegralPage> {
                         .pushNamed('/router/mine_vip_level_page', arguments: {
                       "rankLevel": rankLevel,
                       "createTime":
-                      (userinfo != null) ? "${userinfo.createTime}" : "",
+                      (userinfo != null) ? "${userinfo!.createTime}" : "",
                       "points":
-                      (userinfo != null) ? int.tryParse(userinfo.points) : 0,
+                      (userinfo != null) ? int.tryParse(userinfo!.points!) : 0,
                     });
                   } else {
 
@@ -577,8 +577,8 @@ class _IntegralPage extends State<IntegralPage> {
                 crossAxisAlignment: CrossAxisAlignment.center,
                 children: [
                   Text(
-                    (signInfo != null && signInfo.rank != null)
+                    (signInfo != null && signInfo!.rank != null)
-                        ? "${signInfo.rank.rankName.replaceAll("会员", "")}"
+                        ? "${signInfo!.rank!.rankName!.replaceAll("会员", "")}"
                         : "",
                     style: TextStyle(
                       fontWeight: FontWeight.w500,

lib/integral_store/integral_store_details_page.dart

@@ -15,23 +15,20 @@ import 'package:shared_preferences/shared_preferences.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 
 class IntegralStoreDetailsPage extends StatefulWidget {
-  final Map<String, dynamic> arguments;
+  final Map<String, dynamic>? arguments;
 
   IntegralStoreDetailsPage({this.arguments});
 
   @override
   State<StatefulWidget> createState() {
-    return _IntegralStoreDetailsPage(this.arguments);
+    return _IntegralStoreDetailsPage();
   }
 }
 
-class _IntegralStoreDetailsPage extends State {
+class _IntegralStoreDetailsPage extends State<IntegralStoreDetailsPage> {
-  ApiService apiService;
+  late ApiService apiService;
 
-  String points;
+  String? points;
-  final Map<String, dynamic> arguments;
-
-  _IntegralStoreDetailsPage(this.arguments);
 
   @override
   void initState() {
@@ -42,16 +39,16 @@ class _IntegralStoreDetailsPage extends State {
           ApiService(Dio(), context: context, token: value.getString("token"));
       queryGoodsById();
       if (value.getString('user') != null) {
-        points = UserInfo.fromJson(jsonDecode(value.getString('user'))).points;
+        points = UserInfo.fromJson(jsonDecode(value.getString('user')!)).points;
       }
     });
   }
 
-  Goods goods;
+  Goods? goods;
 
   queryGoodsById() async {
-    BaseData<Goods> baseData = await apiService.creditGoodsById(arguments["goodsId"]);
+    BaseData<Goods> baseData = await apiService.creditGoodsById(widget.arguments!["goodsId"]);
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       setState(() {
         goods = baseData.data;
       });
@@ -91,12 +88,12 @@ class _IntegralStoreDetailsPage extends State {
                       ),
                     ),
                     if (goods != null &&
-                        goods.detail != null &&
+                        goods!.detail != null &&
-                        goods.detail != "")
+                        goods!.detail != "")
                       Container(
                         color: Colors.white,
                         child: Html(
-                          data: goods != null ? goods.detail : "",
+                          data: goods != null ? goods!.detail : "",
                           customImageRenders: {
                             base64DataUriMatcher(): base64ImageRender(),
                             assetUriMatcher(): assetImageRender(),
@@ -124,7 +121,7 @@ class _IntegralStoreDetailsPage extends State {
               onTap: () {
                 if (goods != null &&
                     points != null &&
-                    int.tryParse(goods.price) < int.tryParse(points)) {
+                    int.tryParse(goods!.price!)! < int.tryParse(points!)!) {
                   toExchangeOrder();
                 }
               },
@@ -133,7 +130,7 @@ class _IntegralStoreDetailsPage extends State {
                 decoration: BoxDecoration(
                   color: (goods != null &&
                           points != null &&
-                          int.tryParse(goods.price) < int.tryParse(points))
+                          int.tryParse(goods!.price!)! < int.tryParse(points!)!)
                       ? Color(0xFF32A060)
                       : Color(0xFFD8D8D8),
                   borderRadius: BorderRadius.vertical(
@@ -144,7 +141,7 @@ class _IntegralStoreDetailsPage extends State {
                 child: Text(
                   (goods != null &&
                           points != null &&
-                          int.tryParse(goods.price) < int.tryParse(points))
+                          int.tryParse(goods!.price!)! < int.tryParse(points!)!)
                       ? S.of(context).duihuan
                       : S.of(context).jifenbuzu,
                   style: TextStyle(
@@ -165,18 +162,18 @@ class _IntegralStoreDetailsPage extends State {
   toExchangeOrder() async {
     await Navigator.of(context)
         .pushNamed('/router/exchange_order_page', arguments: {
-      "goodsId": goods.id,
+      "goodsId": goods!.id,
-      "name": goods.name,
+      "name": goods!.name,
-      "price": goods.price,
+      "price": goods!.price,
-      "image": goods.mainImgPath,
+      "image": goods!.mainImgPath,
-      "useTyped": goods.canPick
+      "useTyped": goods!.canPick!
           ? 1
-          : goods.canDelivery
+          : goods!.canDelivery!
               ? 2
               : 3,
     });
     var shared = await SharedPreferences.getInstance();
-    points = UserInfo.fromJson(jsonDecode(shared.getString('user'))).points;
+    points = UserInfo.fromJson(jsonDecode(shared.getString('user')!)).points;
     setState(() {});
   }
 
@@ -208,7 +205,7 @@ class _IntegralStoreDetailsPage extends State {
                   children: [
                     Expanded(
                       child: Text(
-                        goods == null ? "" : goods.name,
+                        goods == null ? "" : goods!.name!,
                         overflow: TextOverflow.ellipsis,
                         style: TextStyle(
                           fontWeight: FontWeight.bold,
@@ -221,7 +218,7 @@ class _IntegralStoreDetailsPage extends State {
                     Text(
                       goods == null
                           ? ""
-                          : S.of(context).yiduihuanjian("${goods.sales}"),
+                          : S.of(context).yiduihuanjian("${goods!.sales}"),
                       style: TextStyle(
                         fontSize: 10.sp,
                         fontWeight: FontWeight.w400,
@@ -239,7 +236,7 @@ class _IntegralStoreDetailsPage extends State {
                   children: [
                     Expanded(
                       child: Text(
-                        goods == null ? "" : goods.description,
+                        goods == null ? "" : goods!.description!,
                         style: TextStyle(
                           fontSize: 12.sp,
                           fontWeight: FontWeight.w400,
@@ -249,7 +246,7 @@ class _IntegralStoreDetailsPage extends State {
                       flex: 1,
                     ),
                     Text(
-                      goods == null ? "" : S.of(context).jifen_(goods.price),
+                      goods == null ? "" : S.of(context).jifen_(goods!.price!),
                       style: TextStyle(
                         fontWeight: FontWeight.bold,
                         fontSize: 16.sp,
@@ -285,13 +282,12 @@ class _IntegralStoreDetailsPage extends State {
             return goods == null
                 ? Container()
                 : Image.network(
-                    goods.viceImgPaths.elementAt(position),
+                    goods!.viceImgPaths!.elementAt(position),
                     fit: BoxFit.cover,
                   );
           },
-          itemCount: (goods == null || goods.viceImgPaths == null)
+          itemCount: (goods == null || goods!.viceImgPaths == null)
-              ? 1
+              ? 1 : goods!.viceImgPaths!.length,
-              : goods.viceImgPaths.length,
         ),
       ),
     );

lib/login/login_page.dart

@@ -23,7 +23,7 @@ import 'package:sharesdk_plugin/sharesdk_interface.dart';
 import 'package:tpns_flutter_plugin/tpns_flutter_plugin.dart';
 
 class LoginPage extends StatefulWidget {
-  final Map<String, dynamic> arguments;
+  final Map<String, dynamic>? arguments;
 
   LoginPage({this.arguments});
 
@@ -46,20 +46,20 @@ class _MyLoginPageState extends State<LoginPage> with TickerProviderStateMixin {
   var _sendCodeStatus = 0;
   GlobalKey loginKey = GlobalKey();
 
-  ApiService client;
+  late ApiService client;
 
-  ScrollController scrollController;
+  late ScrollController scrollController;
   final int initAlpha = 89;
   int alpha = 89;
   int changeAlpha = 0;
-  Animation<Alignment> animation;
+  Animation<Alignment>? animation;
-  Animation<double> doubleAnimation;
+  Animation<double>? doubleAnimation;
 
   isLogin() async {
     SharedPreferences sharedPreferences = await SharedPreferences.getInstance();
 
     if (sharedPreferences.getBool("isShowPrivacyPolicy") == null ||
-        !sharedPreferences.getBool("isShowPrivacyPolicy")) {
+        !sharedPreferences.getBool("isShowPrivacyPolicy")!) {
       showAlertDialog();
     }
 
@@ -94,8 +94,7 @@ class _MyLoginPageState extends State<LoginPage> with TickerProviderStateMixin {
     animationStart();
 
     scrollController.addListener(() {
-      RenderBox renderBox = loginKey.currentContext.findRenderObject();
+      RenderBox renderBox = loginKey.currentContext!.findRenderObject() as RenderBox;
-
       offsetBtn = scrollController.offset;
       var screenHeight = MediaQuery.of(context).size.height;
       var scrollHeight = screenHeight * 1.47;
@@ -162,7 +161,7 @@ class _MyLoginPageState extends State<LoginPage> with TickerProviderStateMixin {
   _sendCode() async {
     SharedPreferences sharedPreferences = await SharedPreferences.getInstance();
     if (!sharedPreferences.containsKey("isShowPrivacyPolicy") ||
-        !sharedPreferences.getBool("isShowPrivacyPolicy")) {
+        !sharedPreferences.getBool("isShowPrivacyPolicy")!) {
       showAlertDialog();
       return;
     }
@@ -182,7 +181,7 @@ class _MyLoginPageState extends State<LoginPage> with TickerProviderStateMixin {
       client
           .sendVerify(mobile)
           .then((value) => {
-                if (value.isSuccess)
+                if (value.isSuccess!)
                   {_sendCodeStatus = 1, countdown()}
                 else
                   {
@@ -199,17 +198,17 @@ class _MyLoginPageState extends State<LoginPage> with TickerProviderStateMixin {
     }
   }
 
-  Timer _timer;
+  Timer? _timer;
 
   countdown() {
-    if (_timer != null && _timer.isActive) return;
+    if (_timer != null && _timer!.isActive) return;
     int countdown = 60;
     _timer = Timer.periodic(Duration(seconds: 1), (timer) {
       countdown--;
       if (countdown == 0) {
         btnText = S.of(context).send_code;
         _sendCodeStatus = 0;
-        _timer.cancel();
+        _timer!.cancel();
       } else {
         btnText = S.of(context).resend_in_seconds(countdown);
       }
@@ -223,7 +222,7 @@ class _MyLoginPageState extends State<LoginPage> with TickerProviderStateMixin {
 
   @override
   void dispose() {
-    if (_timer != null) _timer.cancel();
+    if (_timer != null) _timer!.cancel();
     if (animatedContainer != null) animatedContainer.dispose();
     super.dispose();
   }
@@ -235,7 +234,7 @@ class _MyLoginPageState extends State<LoginPage> with TickerProviderStateMixin {
     }
     SharedPreferences sharedPreferences = await SharedPreferences.getInstance();
     if (!sharedPreferences.containsKey("isShowPrivacyPolicy") ||
-        !sharedPreferences.getBool("isShowPrivacyPolicy")) {
+        !sharedPreferences.getBool("isShowPrivacyPolicy")!) {
       showAlertDialog();
       return;
     }
@@ -281,7 +280,7 @@ class _MyLoginPageState extends State<LoginPage> with TickerProviderStateMixin {
     });
     Future.delayed(Duration(seconds: 2), () {
       SmartDialog.dismiss();
-      if (value.isSuccess) {
+      if (value.isSuccess!) {
         saveUserJson(value.data);
         eventBus.fire(EventType(3));
 
@@ -301,21 +300,21 @@ class _MyLoginPageState extends State<LoginPage> with TickerProviderStateMixin {
     var userEntity = UserEntity.fromJson(userJson);
     SharedPreferences.getInstance().then((value) => {
           value.setString('userJson', jsonEncode(userJson)),
-          value.setString('token', userEntity.token),
+          value.setString('token', userEntity.token!),
-          value.setString('userId', userEntity.userId),
+          value.setString('userId', userEntity.userId!),
-          value.setString('nick', userEntity.name),
+          value.setString('nick', userEntity.name!),
-          value.setString('mobile', userEntity.mobile),
+          value.setString('mobile', userEntity.mobile!),
         });
   }
 
-  AnimationController animatedContainer;
+  late AnimationController animatedContainer;
 
-  Alignment alignmentBegin;
+  late Alignment alignmentBegin;
-  Alignment alignmentEnd;
+  late Alignment alignmentEnd;
-  Alignment alignmentProgress;
+  late Alignment alignmentProgress;
 
   listener() {
-    alignmentProgress = animation.value;
+    alignmentProgress = animation!.value;
     setState(() {});
   }
 
@@ -351,8 +350,8 @@ class _MyLoginPageState extends State<LoginPage> with TickerProviderStateMixin {
     animation = AlignmentTween(begin: alignmentBegin, end: alignmentEnd)
         .animate(animatedContainer);
 
-    animation.removeListener(listener);
+    animation!.removeListener(listener);
-    animation.addListener(listener);
+    animation!.addListener(listener);
 
     animatedContainer.removeStatusListener(statusListener);
     animatedContainer.addStatusListener(statusListener);
@@ -897,7 +896,7 @@ class _MyLoginPageState extends State<LoginPage> with TickerProviderStateMixin {
   }
 
   scrollToTop() {
-    RenderBox renderBox = loginKey.currentContext.findRenderObject();
+    RenderBox renderBox = loginKey.currentContext!.findRenderObject() as RenderBox;
     var screenHeight = MediaQuery.of(context).size.height;
     var scrollHeight = screenHeight * 1.47;
     var height = scrollHeight - renderBox.size.height;

lib/main.dart

@@ -84,7 +84,7 @@ void main() async {
     locale = Locale.fromSubtags(languageCode: 'zh', countryCode: 'TW');
   }
   initSdk();
-  bool isFirst = sharedPreferences.getBool("isFirst");
+  bool? isFirst = sharedPreferences.getBool("isFirst");
   print("isFirst:$isFirst");
   runApp(MyApp(locale, isFirst));
 }
@@ -127,8 +127,8 @@ initSdk() async {
 EventBus eventBus = EventBus(sync: true);
 
 class MyApp extends StatelessWidget {
-  final Locale appLocale;
+  final Locale? appLocale;
-  final bool isFirst;
+  final bool? isFirst;
 
   MyApp(this.appLocale, this.isFirst);
 
@@ -160,9 +160,9 @@ class MyApp extends StatelessWidget {
           S.delegate
         ],
         localeListResolutionCallback:
-            (List<Locale> locales, Iterable<Locale> supportedLocales) {
+            (List<Locale>? locales, Iterable<Locale> supportedLocales) {
-          print("locale: ${locales[0]}");
+          print("locale: ${locales![0]}");
-          return appLocale ?? locales[0];
+          return appLocale ?? locales![0];
         },
         supportedLocales: S.delegate.supportedLocales,
         home: (isFirst ?? true) ? GuidePage() : LoginPage(),
@@ -176,8 +176,8 @@ class MyApp extends StatelessWidget {
           );
         },
         onGenerateRoute: (settings) {
-          final String name = settings.name;
+          final String? name = settings.name;
-          final Function pageContentBuilder = routers[name];
+          final Function? pageContentBuilder = routers[name];
           if (pageContentBuilder != null) {
             final Route route = CupertinoPageRoute(
               builder: (context) {

lib/main_page.dart

@@ -25,15 +25,15 @@ class MainPage extends StatefulWidget {
 }
 
 class _MainPage extends State<MainPage> with WidgetsBindingObserver {
-  List<Widget> _widgetOptions;
+  late List<Widget> _widgetOptions;
 
-  List<String> icons;
+  late List<String> icons;
-  List<String> iconn;
+  late List<String> iconn;
 
   @override
   void dispose() {
     super.dispose();
-    WidgetsBinding.instance.removeObserver(this);
+    WidgetsBinding.instance!.removeObserver(this);
   }
 
   @override
@@ -55,7 +55,7 @@ class _MainPage extends State<MainPage> with WidgetsBindingObserver {
   @override
   void initState() {
     super.initState();
-    WidgetsBinding.instance.addObserver(this);
+    WidgetsBinding.instance!.addObserver(this);
 
     pushRoute();
 
@@ -109,7 +109,7 @@ class _MainPage extends State<MainPage> with WidgetsBindingObserver {
         SharedPreferences.getInstance().then((value) {
           value.setString("pushData", event[Platform.isAndroid ? "customMessage" : "custom"]);
         });
-        if (ModalRoute.of(context).isActive && ModalRoute.of(context).isCurrent) {
+        if (ModalRoute.of(context)!.isActive && ModalRoute.of(context)!.isCurrent) {
           pushRoute();
         } else {
           Navigator.of(context).pushNamedAndRemoveUntil('/router/main_page', (route) => false);
@@ -131,7 +131,7 @@ class _MainPage extends State<MainPage> with WidgetsBindingObserver {
         sharedPreferences.getString("token") == "") return;
     String startIntent = await Bridge.getStartIntent();
     print("intent:$startIntent");
-    String pushData = "";
+    String? pushData = "";
     if (startIntent != null && startIntent != "") {
       pushData = startIntent;
       // pushData = """{"typed":1,"info":"1420304936817655808"}""";

lib/message/system_message.dart

@@ -22,21 +22,20 @@ class SystemMessagePage extends StatefulWidget {
 }
 
 class _SystemMessagePage extends State<SystemMessagePage> {
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void initState() {
     super.initState();
 
     SharedPreferences.getInstance().then((value) {
-      apiService =
+      apiService = ApiService(Dio(), token: value.getString("token"), context: context);
-          ApiService(Dio(), token: value.getString("token"), context: context);
       queryMessage();
     });
   }
 
   int pageNum = 1;
-  List<Message> messages = [];
+  List<Message?> messages = [];
 
   _refresh() {
     pageNum = 1;
@@ -55,15 +54,15 @@ class _SystemMessagePage extends State<SystemMessagePage> {
       _refreshController.refreshFailed();
     });
 
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       if (pageNum == 1) {
         messages.clear();
       }
-      messages.addAll(baseData.data.list);
+      messages.addAll(baseData.data!.list!);
       _refreshController.loadComplete();
       _refreshController.refreshCompleted();
       if (mounted) setState(() {});
-      if (pageNum * 10 > int.tryParse(baseData.data.total)) {
+      if (pageNum * 10 > int.tryParse(baseData.data!.total!)!) {
         _refreshController.loadNoData();
       } else {
         pageNum += 1;
@@ -93,7 +92,7 @@ class _SystemMessagePage extends State<SystemMessagePage> {
         physics: BouncingScrollPhysics(),
         footer: CustomFooter(
           loadStyle: LoadStyle.ShowWhenLoading,
-          builder: (BuildContext context, LoadStatus mode) {
+          builder: (BuildContext context, LoadStatus? mode) {
             return MyFooter(mode);
           },
         ),
@@ -116,19 +115,19 @@ class _SystemMessagePage extends State<SystemMessagePage> {
                 itemBuilder: (context, position) {
                   return GestureDetector(
                     onTap: () {
-                      if (messages[position].typed == 2) {
+                      if (messages[position]!.typed == 2) {
                         Navigator.of(context)
                             .pushNamed('/router/exchange_order_details');
                       }
                     },
-                    child: buildMessageItem(messages[position]),
+                    child: buildMessageItem(messages![position]),
                   );
                 }),
       ),
     );
   }
 
-  Widget buildMessageItem(Message message) {
+  Widget buildMessageItem(Message? message) {
     return Container(
       margin: EdgeInsets.only(left: 16.w, right: 16.w, top: 8.h, bottom: 8.h),
       padding: EdgeInsets.all(20.w),
@@ -155,7 +154,7 @@ class _SystemMessagePage extends State<SystemMessagePage> {
               Row(
                 children: [
                   Image.asset(
-                    (message.typed == 1)
+                    (message!.typed == 1)
                         ? "assets/image/icon_system_notices.png"
                         : (message.typed == 2)
                             ? "assets/image/icon_system_order.png"
@@ -167,7 +166,7 @@ class _SystemMessagePage extends State<SystemMessagePage> {
                     width: 4.w,
                   ),
                   Text(
-                    (message.typed == 1)
+                    (message!.typed == 1)
                         ? S.of(context).xitongtongzhi
                         : (message.typed == 2)
                             ? S.of(context).dingdanxiaoxi
@@ -181,7 +180,7 @@ class _SystemMessagePage extends State<SystemMessagePage> {
                 ],
               ),
               Text(
-                message.updateTime,
+                message!.updateTime!,
                 style: TextStyle(
                   fontSize: 10.sp,
                   color: Color(0xFFA29E9E),
@@ -189,7 +188,7 @@ class _SystemMessagePage extends State<SystemMessagePage> {
               ),
             ],
           ),
-          if (message.typed != 3)
+          if (message!.typed != 3)
             Container(
               margin: EdgeInsets.only(left: 28.w, top: 12.h),
               child: Text(
@@ -204,7 +203,7 @@ class _SystemMessagePage extends State<SystemMessagePage> {
             Container(
               margin: EdgeInsets.only(left: 28.w, top: 18.h),
               child: Text(
-                message.title,
+                message!.title!,
                 style: TextStyle(
                   fontSize: 20.sp,
                   fontWeight: MyFontWeight.semi_bold,
@@ -238,7 +237,7 @@ class _SystemMessagePage extends State<SystemMessagePage> {
             Container(
               margin: EdgeInsets.only(left: 28.w, top: 22.h),
               child: Text(
-                message.content,
+                message!.content!,
                 style: TextStyle(
                   fontSize: 10.sp,
                   color: Color(0xFF353535),

lib/mine/coupons_page.dart

@@ -24,13 +24,13 @@ class CouponsPage extends StatefulWidget {
 }
 
 class _CouponsPage extends State<CouponsPage> {
-  ApiService apiService;
+  late ApiService apiService;
-  RefreshController _refreshController;
+  RefreshController? _refreshController;
 
   @override
   void dispose() {
     super.dispose();
-    _refreshController.dispose();
+    _refreshController?.dispose();
   }
 
   @override
@@ -44,7 +44,7 @@ class _CouponsPage extends State<CouponsPage> {
     _refreshController = RefreshController(initialRefresh: false);
   }
 
-  List<Coupon> coupons = [];
+  List<Coupon?> coupons = [];
   int pageNum = 1;
   int state = 1;
 
@@ -61,26 +61,26 @@ class _CouponsPage extends State<CouponsPage> {
       "searchKey": "",
       "state": state
     }).catchError((error) {
-      _refreshController.loadFailed();
+      _refreshController?.loadFailed();
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       if (pageNum == 1) {
         coupons.clear();
       }
-      coupons.addAll(baseData.data.list);
+      coupons.addAll(baseData.data!.list!);
       setState(() {
-        _refreshController.refreshCompleted();
+        _refreshController?.refreshCompleted();
-        _refreshController.loadComplete();
+        _refreshController?.loadComplete();
-        if (baseData.data.pageNum == baseData.data.pages) {
+        if (baseData.data!.pageNum == baseData.data!.pages) {
-          _refreshController.loadNoData();
+          _refreshController?.loadNoData();
         } else {
           pageNum += 1;
         }
       });
     } else {
-      _refreshController.loadFailed();
+      _refreshController?.loadFailed();
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
     }
   }
 
@@ -150,7 +150,7 @@ class _CouponsPage extends State<CouponsPage> {
           ),
           Expanded(
             child: SmartRefresher(
-              controller: _refreshController,
+              controller: _refreshController!,
               enablePullDown: true,
               enablePullUp: true,
               physics: BouncingScrollPhysics(),
@@ -170,25 +170,25 @@ class _CouponsPage extends State<CouponsPage> {
                             coupons[position],
                             (type) {
                               if (type == 1) {
-                                receiveCoupon(coupons[position].id);
+                                receiveCoupon(coupons[position]!.id);
                               } else {
-                                if (coupons[position].bizType == 5) {
+                                if (coupons[position]!.bizType == 5) {
                                   Navigator.of(context).pushNamed(
                                       '/router/write_off_page',
                                       arguments: {
-                                        "couponId": coupons[position].id,
+                                        "couponId": coupons[position]!.id,
-                                        "coupon": coupons[position].toJson(),
+                                        "coupon": coupons[position]!.toJson(),
                                       });
                                 } else {
                                   showStoreSelector(
-                                      coupons[position].storeList);
+                                      coupons[position]!.storeList);
                                 }
                               }
                             },
                             () {
                               setState(() {
-                                coupons[position].isEx =
+                                coupons[position]!.isEx =
-                                    !coupons[position].isEx;
+                                    !coupons[position]!.isEx!;
                               });
                             },
                             type: 0,
@@ -212,7 +212,7 @@ class _CouponsPage extends State<CouponsPage> {
 
   receiveCoupon(couponId) async {
     BaseData baseData = await apiService.receiveCoupon(couponId);
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       _onRefresh();
       showAlertDialog();
     }

lib/mine/edit_name.dart

@@ -5,7 +5,7 @@ import 'package:huixiang/view_widget/my_appbar.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 
 class EditName extends StatefulWidget {
-  final Map<String, dynamic> arguments;
+  final Map<String, dynamic>? arguments;
 
   EditName({this.arguments});
 
@@ -64,7 +64,7 @@ class _EditName extends State<EditName> {
                 errorBorder: InputBorder.none,
                 focusedBorder: InputBorder.none,
                 enabledBorder: InputBorder.none,
-                hintText: widget.arguments['nick'],
+                hintText: widget.arguments!['nick'],
                 // contentPadding: EdgeInsets.only(top: 12, bottom: 12, left: 12),
                 hintStyle: TextStyle(
                   fontSize: 10.sp,

lib/mine/manage_address_page.dart

@@ -14,7 +14,7 @@ import 'package:shared_preferences/shared_preferences.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 
 class ManageAddressPage extends StatefulWidget {
-  final Map<String, dynamic> arguments;
+  final Map<String, dynamic>? arguments;
 
   ManageAddressPage({this.arguments});
 
@@ -25,7 +25,7 @@ class ManageAddressPage extends StatefulWidget {
 }
 
 class _ManageAddressPage extends State<ManageAddressPage> {
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void initState() {
@@ -38,11 +38,11 @@ class _ManageAddressPage extends State<ManageAddressPage> {
         });
   }
 
-  List<Address> addressList;
+  List<Address>? addressList;
 
   queryMemberAddress() async {
     BaseData<List<Address>> baseData = await apiService.queryMemberAddress();
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       checkIndex = 0;
       addressList = baseData.data;
       setState(() {});
@@ -62,7 +62,7 @@ class _ManageAddressPage extends State<ManageAddressPage> {
       body: Column(
         children: [
           Expanded(
-            child: (addressList == null || addressList.length == 0)
+            child: (addressList == null || addressList!.length == 0)
                 ? NoDataView(
                     isShowBtn: false,
                     text: "目前暂无送货地址，请添加",
@@ -70,20 +70,20 @@ class _ManageAddressPage extends State<ManageAddressPage> {
                     margin: EdgeInsets.only(top: 120),
                   )
                 : ListView.builder(
-                    itemCount: addressList == null ? 0 : addressList.length,
+                    itemCount: addressList == null ? 0 : addressList!.length,
                     physics: BouncingScrollPhysics(),
                     itemBuilder: (context, position) {
                       return InkWell(
                         onTap: () {
-                          if (widget.arguments["isSelector"]) {
+                          if (widget.arguments!["isSelector"]) {
                             Navigator.of(context).pop({
-                              "id": "${addressList[position].id}",
+                              "id": "${addressList![position].id}",
-                              "address": "${addressList[position].address}",
+                              "address": "${addressList![position].address}",
                             });
                           }
                         },
                         child:
-                            buildAddressItem(addressList[position], position),
+                            buildAddressItem(addressList![position], position),
                       );
                     },
                   ),
@@ -113,7 +113,7 @@ class _ManageAddressPage extends State<ManageAddressPage> {
     );
   }
 
-  addAddress({Address address}) async {
+  addAddress({Address? address}) async {
     if (address != null) {
       await Navigator.of(context)
           .pushNamed('/router/address_edit_page', arguments: address.toJson());
@@ -123,7 +123,7 @@ class _ManageAddressPage extends State<ManageAddressPage> {
     queryMemberAddress();
   }
 
-  Widget buildAddressItem(Address address, position) {
+  Widget buildAddressItem(Address? address, position) {
     return Container(
       margin: EdgeInsets.only(left: 16, right: 16, top: 8, bottom: 8),
       padding: EdgeInsets.only(left: 6, right: 16, top: 16, bottom: 8),
@@ -149,7 +149,7 @@ class _ManageAddressPage extends State<ManageAddressPage> {
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
                 Text(
-                  address.username,
+                  address!.username!,
                   style: TextStyle(
                     fontSize: 16,
                     fontWeight: FontWeight.bold,
@@ -165,7 +165,7 @@ class _ManageAddressPage extends State<ManageAddressPage> {
                   children: [
                     Expanded(
                       child: IconText(
-                        address.phone,
+                        address!.phone!,
                         leftImage: "assets/image/icon_address_call.png",
                         iconSize: 16,
                       ),
@@ -229,7 +229,7 @@ class _ManageAddressPage extends State<ManageAddressPage> {
                   style: TextStyle(
                     fontSize: 14,
                     fontWeight: FontWeight.w400,
-                    color: address.isDefault
+                    color: address!.isDefault!
                         ? Color(0xFF39B54A)
                         : Color(0xFFA29E9E),
                   ),
@@ -338,20 +338,19 @@ class _ManageAddressPage extends State<ManageAddressPage> {
 
   deleteAddress(position) async {
     BaseData baseData =
-        await apiService.deleteAddress(addressList[position].toJson());
+        await apiService.deleteAddress(addressList![position].toJson());
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       queryMemberAddress();
     }
   }
 
   changeCheck(value, position) async {
     if (value) {
-      addressList[checkIndex].isDefault = false;
+      addressList![checkIndex].isDefault = false;
       checkIndex = position;
-      addressList[position].isDefault = true;
+      addressList![position].isDefault = true;
-      BaseData baseData =
+      BaseData baseData = await apiService.updateAddress(addressList![position].toJson());
-          await apiService.updateAddress(addressList[position].toJson());
+      if (baseData != null && baseData.isSuccess!) {}
-      if (baseData != null && baseData.isSuccess) {}
       setState(() {});
     }
   }

lib/mine/mine_card_invalid_page.dart

@@ -21,14 +21,14 @@ class MineCardInvalidPage extends StatefulWidget {
 }
 
 class _MineCardInvalidPage extends State<MineCardInvalidPage> {
-  RefreshController _refreshController;
+  RefreshController? _refreshController;
 
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void dispose() {
     super.dispose();
-    _refreshController.dispose();
+    _refreshController?.dispose();
   }
 
   @override
@@ -44,7 +44,7 @@ class _MineCardInvalidPage extends State<MineCardInvalidPage> {
   }
 
   int pageNum = 1;
-  List<Coupon> coupons = [];
+  List<Coupon?> coupons = [];
 
   void _onRefresh() async {
     pageNum = 1;
@@ -59,26 +59,26 @@ class _MineCardInvalidPage extends State<MineCardInvalidPage> {
       "searchKey": "",
       "state": 3
     }).catchError((error) {
-      _refreshController.loadFailed();
+      _refreshController?.loadFailed();
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       if (pageNum == 1) {
         coupons.clear();
       }
-      coupons.addAll(baseData.data.list);
+      coupons.addAll(baseData.data!.list!);
       setState(() {
-        _refreshController.refreshCompleted();
+        _refreshController?.refreshCompleted();
-        _refreshController.loadComplete();
+        _refreshController?.loadComplete();
-        if (baseData.data.pageNum == baseData.data.pages) {
+        if (baseData.data!.pageNum == baseData.data!.pages) {
-          _refreshController.loadNoData();
+          _refreshController?.loadNoData();
         } else {
           pageNum += 1;
         }
       });
     } else {
-      _refreshController.loadFailed();
+      _refreshController?.loadFailed();
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
     }
   }
 
@@ -102,7 +102,7 @@ class _MineCardInvalidPage extends State<MineCardInvalidPage> {
               return MyFooter(mode);
             },
           ),
-          controller: _refreshController,
+          controller: _refreshController!,
           onRefresh: _onRefresh,
           onLoading: queryCard,
           child: ListView.builder(

lib/mine/mine_page.dart

@@ -27,7 +27,7 @@ class MinePage extends StatefulWidget {
 }
 
 class _MinePage extends State<MinePage> with AutomaticKeepAliveClientMixin {
-  ApiService apiService;
+  late ApiService apiService;
 
   _toUserInfo() async {
     SharedPreferences shared = await SharedPreferences.getInstance();
@@ -87,34 +87,34 @@ class _MinePage extends State<MinePage> with AutomaticKeepAliveClientMixin {
               value.getString('user') != null &&
               value.getString('user') != "")
             {
-              userinfo = UserInfo.fromJson(jsonDecode(value.getString('user'))),
+              userinfo = UserInfo.fromJson(jsonDecode(value.getString('user')!)),
             },
           queryUserInfo()
         },
       );
   }
 
-  UserInfo userinfo;
+  UserInfo? userinfo;
   int rankLevel = 1;
-  List<Rank> ranks = [];
+  List<Rank?> ranks = [];
 
   queryUserInfo() async {
     SmartDialog.showLoading(msg: S.of(context).zhengzaijiazai, animationDurationTemp: Duration(seconds: 1));
     BaseData<List<Rank>> rankData = await apiService.rankList();
-    if (rankData != null && rankData.isSuccess) {
+    if (rankData != null && rankData.isSuccess!) {
       ranks.clear();
-      ranks.addAll(rankData.data);
+      ranks.addAll(rankData.data!);
     }
 
     BaseData<UserInfo> baseDate = await apiService.queryInfo();
-    if (baseDate != null && baseDate.isSuccess) {
+    if (baseDate != null && baseDate.isSuccess!) {
       userinfo = baseDate.data;
       if (userinfo != null &&
-          userinfo.memberRankVo != null &&
+          userinfo!.memberRankVo != null &&
           ranks != null &&
           ranks.length > 0) {
         rankLevel = (ranks.indexWhere(
-                (element) => element.id == userinfo.memberRankVo.id) +
+                (element) => element?.id == userinfo!.memberRankVo?.id) +
             1);
       }
       SharedPreferences.getInstance().then(
@@ -202,10 +202,10 @@ class _MinePage extends State<MinePage> with AutomaticKeepAliveClientMixin {
                                 arguments: {
                                   "rankLevel": rankLevel,
                                   "createTime": (userinfo != null)
-                                      ? "${userinfo.createTime}"
+                                      ? "${userinfo!.createTime}"
                                       : "",
                                   "points": (userinfo != null)
-                                      ? int.tryParse(userinfo.points)
+                                      ? int.tryParse(userinfo!.points!)
                                       : 0,
                                 });
                           });
@@ -214,14 +214,14 @@ class _MinePage extends State<MinePage> with AutomaticKeepAliveClientMixin {
                           rankLevel,
                           curLevel: rankLevel,
                           rank: (userinfo != null)
-                              ? int.tryParse(userinfo.points)
+                              ? int.tryParse(userinfo!.points!)!
                               : 0,
                           rankMax: (userinfo != null &&
-                                  userinfo.memberRankVo != null)
+                                  userinfo!.memberRankVo != null)
-                              ? userinfo.memberRankVo.rankOrigin
+                              ? userinfo!.memberRankVo!.rankOrigin!
                               : 0,
                           createTime:
-                              (userinfo != null) ? userinfo.createTime : "",
+                              (userinfo != null) ? userinfo!.createTime! : "",
                         ),
                       ),
                       orderOrCard(),
@@ -564,7 +564,7 @@ class _MinePage extends State<MinePage> with AutomaticKeepAliveClientMixin {
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
           MImage(
-            userinfo == null ? "" : userinfo.headimg,
+            userinfo == null ? "" : userinfo!.headimg!,
             isCircle: true,
             width: 50,
             height: 50,
@@ -614,7 +614,7 @@ class _MinePage extends State<MinePage> with AutomaticKeepAliveClientMixin {
                               child: Text(
                                 userinfo == null
                                     ? S.of(context).denglu
-                                    : "${userinfo.nickname}",
+                                    : "${userinfo!.nickname}",
                                 style: TextStyle(
                                   fontSize: 16.sp,
                                   fontWeight: FontWeight.bold,
@@ -639,7 +639,7 @@ class _MinePage extends State<MinePage> with AutomaticKeepAliveClientMixin {
                           ),
                         )
                       : Text(
-                          userinfo == null ? "" : "NO.${userinfo.vipNo}",
+                          userinfo == null ? "" : "NO.${userinfo!.vipNo}",
                           style: TextStyle(
                             fontSize: 12.sp,
                             fontWeight: FontWeight.w400,

lib/mine/mine_vip_level_page.dart

@@ -13,7 +13,7 @@ import 'package:huixiang/view_widget/my_appbar.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 class MineVipLevelPage extends StatefulWidget {
-  final Map<String, dynamic> arguments;
+  final Map<String, dynamic>? arguments;
 
   MineVipLevelPage({this.arguments});
 
@@ -24,8 +24,8 @@ class MineVipLevelPage extends StatefulWidget {
 }
 
 class _MineVipLevelPage extends State<MineVipLevelPage> {
-  ApiService apiService;
+  late ApiService apiService;
-  List<Rank> ranks = [];
+  List<Rank?> ranks = [];
 
   SwiperController controller = SwiperController();
 
@@ -42,14 +42,14 @@ class _MineVipLevelPage extends State<MineVipLevelPage> {
 
   queryVipLevel() async {
     BaseData<List<Rank>> rankData = await apiService.rankList();
-    if (rankData != null && rankData.isSuccess) {
+    if (rankData != null && rankData.isSuccess!) {
       ranks.clear();
-      ranks.addAll(rankData.data);
+      ranks.addAll(rankData.data!);
       setState(() {
-        controller.move((widget.arguments["rankLevel"] - 1), animation: false);
+        controller.move((widget.arguments!["rankLevel"] - 1), animation: false);
       });
     } else {
-      SmartDialog.showToast(rankData.msg, alignment: Alignment.center);
+      SmartDialog.showToast(rankData.msg!, alignment: Alignment.center);
     }
   }
 
@@ -77,11 +77,11 @@ class _MineVipLevelPage extends State<MineVipLevelPage> {
                 itemBuilder: (context, position) {
                   return MineVipView(
                     position + 1,
-                    curLevel: widget.arguments["rankLevel"],
+                    curLevel: widget.arguments!["rankLevel"],
                     padding: 6.w,
-                    rank: widget.arguments["points"],
+                    rank: widget.arguments!["points"],
-                    rankMax: (position < (ranks.length - 1)) ? ranks[position + 1].rankOrigin : ranks[position].rankOrigin,
+                    rankMax: (position < (ranks.length - 1)) ? ranks[position + 1]!.rankOrigin! : ranks[position]!.rankOrigin!,
-                    createTime: widget.arguments["createTime"],
+                    createTime: widget.arguments!["createTime"],
                   );
                 },
                 itemCount: (ranks != null && ranks.isNotEmpty) ? ranks.length : 0,
@@ -181,9 +181,9 @@ class _MineVipLevelPage extends State<MineVipLevelPage> {
                     children: ranks != null
                         ? ranks.map((e) {
                       return levelItem(
-                          e, ranks[ranks.indexOf(e)].rankOrigin,
+                          e, ranks[ranks.indexOf(e)]!.rankOrigin!,
                           ranks.indexOf(e) == (ranks.length - 1)
-                              ? 0 : ranks[ranks.indexOf(e) + 1].rankOrigin);
+                              ? 0 : ranks[ranks.indexOf(e) + 1]!.rankOrigin!);
                     }).toList()
                         : [],
                   ),
@@ -264,7 +264,7 @@ class _MineVipLevelPage extends State<MineVipLevelPage> {
     );
   }
 
-  Widget levelItem(Rank rank, rankOrigin, rankOriginMax) {
+  Widget levelItem(Rank? rank, rankOrigin, rankOriginMax) {
     return Container(
       margin: EdgeInsets.symmetric(vertical: 8.h),
       child: Row(
@@ -273,7 +273,7 @@ class _MineVipLevelPage extends State<MineVipLevelPage> {
         children: [
           Expanded(
             child: Text(
-              rank.rankName,
+              rank!.rankName!,
               textAlign: TextAlign.center,
               style: TextStyle(
                 fontSize: 14.sp,

lib/mine/mine_wallet_page.dart

@@ -34,19 +34,19 @@ class _MineWalletPage extends State<MineWalletPage> {
     loadBalance();
   }
 
-  UserInfo userInfo;
+  UserInfo? userInfo;
-  ApiService apiService;
+  late ApiService apiService;
   int current = 1;
-  List<UserBill> userBills = [];
+  List<UserBill?> userBills = [];
 
   loadBalance() async {
     SharedPreferences sharedPreferences = await SharedPreferences.getInstance();
     userInfo =
-        UserInfo.fromJson(jsonDecode(sharedPreferences.getString('user')));
+        UserInfo.fromJson(jsonDecode(sharedPreferences.getString('user')!));
-    mBalance = double.tryParse(userInfo.money);
+    mBalance = double.tryParse(userInfo!.money!);
 
     if (mounted) setState(() {});
-    String token = sharedPreferences.getString("token");
+    String token = sharedPreferences.getString("token")!;
     apiService = ApiService(Dio(), context: context, token: token);
     loadBillInfo();
   }
@@ -58,9 +58,9 @@ class _MineWalletPage extends State<MineWalletPage> {
 
   queryUserBalance() async {
     BaseData<UserInfo> baseData = await apiService.queryInfo();
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       userInfo = baseData.data;
-      mBalance = double.tryParse(userInfo.money);
+      mBalance = double.tryParse(userInfo!.money!);
       if (mounted) setState(() {});
     }
   }
@@ -77,14 +77,14 @@ class _MineWalletPage extends State<MineWalletPage> {
       refreshController.refreshFailed();
       refreshController.loadFailed();
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       if (current == 1) {
         userBills.clear();
       }
-      userBills.addAll(baseData.data.records);
+      userBills.addAll(baseData.data!.records!);
       refreshController.refreshCompleted();
       refreshController.loadComplete();
-      if (current * 10 > int.tryParse(baseData.data.total)) {
+      if (current * 10 > int.tryParse(baseData.data!.total!)!) {
         refreshController.loadNoData();
       } else {
         current += 1;
@@ -193,7 +193,7 @@ class _MineWalletPage extends State<MineWalletPage> {
                 padding: EdgeInsets.only(bottom: 20.h),
                 physics: NeverScrollableScrollPhysics(),
                 itemBuilder: (context, position) {
-                  return historyItem(userBills[position], position);
+                  return historyItem(userBills![position], position);
                 }),
           ),
         ],
@@ -201,13 +201,13 @@ class _MineWalletPage extends State<MineWalletPage> {
     );
   }
 
-  Widget historyItem(UserBill userBill, position) {
+  Widget historyItem(UserBill? userBill, position) {
     return Container(
       margin: EdgeInsets.only(top: 10.h, bottom: 10.h),
       child: Row(
         children: [
           Image.asset(
-            userBill.pm == 0
+            userBill!.pm == 0
                 ? "assets/image/icon_wallet_withdrawal.png"
                 : "assets/image/icon_wallet_recharge.png",
             width: 34.w,
@@ -225,14 +225,14 @@ class _MineWalletPage extends State<MineWalletPage> {
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
                   Text(
-                    userBill.name,
+                    userBill.name ?? "",
                     style: TextStyle(
                       color: Colors.black,
                       fontSize: 12.sp,
                     ),
                   ),
                   Text(
-                    userBill.createTime,
+                    userBill.createTime ?? "",
                     style: TextStyle(
                       color: Color(0xFF727272),
                       fontSize: 10.sp,
@@ -258,7 +258,7 @@ class _MineWalletPage extends State<MineWalletPage> {
                   ),
                 ),
                 Text(
-                  S.of(context).yue_(userBill.balance),
+                  S.of(context).yue_(userBill.balance!),
                   style: TextStyle(
                     color: Color(0xFF727272),
                     fontSize: 10.sp,

lib/mine/recharge_page.dart

@@ -22,7 +22,7 @@ class RechargePage extends StatefulWidget {
 }
 
 class _RechargePage extends State<RechargePage> {
-  ApiService apiService;
+  late ApiService apiService;
 
   TextEditingController controller = TextEditingController();
 
@@ -73,7 +73,7 @@ class _RechargePage extends State<RechargePage> {
                 onChanged: (value) {
                   if (value != null &&
                       value != "" &&
-                      double.tryParse(value) < 10) {
+                      double.tryParse(value)! < 10) {
                     color = Colors.red;
                   } else {
                     color = Colors.black;
@@ -207,7 +207,7 @@ class _RechargePage extends State<RechargePage> {
           alignment: Alignment.center);
       return;
     }
-    int amount = int.tryParse(money);
+    int amount = int.tryParse(money)!;
     if (checkIndex == 1) {
       if (!(await Min.isInitialize())) {
         // 小程序的微信支付和app的充值支付使用同一个WXPayEntryActivity回调，
@@ -217,20 +217,20 @@ class _RechargePage extends State<RechargePage> {
       }
 
       BaseData<WxPay> baseData = await apiService.recharge({"amount": amount, "rechargeType": 2});
-      if (baseData != null && baseData.isSuccess) {
+      if (baseData != null && baseData.isSuccess!) {
-        WxPay wxPay = baseData.data;
+        WxPay? wxPay = baseData.data;
         await registerWxApi(
-            appId: wxPay.appId,
+            appId: wxPay!.appId!,
             doOnAndroid: true,
             universalLink: "https://hx.lotus-wallet.com/app/");
         payWithWeChat(
-            appId: wxPay.appId,
+            appId: wxPay!.appId!,
-            partnerId: wxPay.partnerId,
+            partnerId: wxPay!.partnerId!,
-            prepayId: wxPay.prepayId,
+            prepayId: wxPay!.prepayId!,
-            packageValue: wxPay.packageValue,
+            packageValue: wxPay!.packageValue!,
-            nonceStr: wxPay.nonceStr,
+            nonceStr: wxPay!.nonceStr!,
-            timeStamp: int.tryParse(wxPay.timeStamp),
+            timeStamp: int.tryParse(wxPay!.timeStamp!)!,
-            sign: wxPay.sign);
+            sign: wxPay!.sign!);
         weChatResponseEventHandler.listen((event) async {
           print("payCallback: ${event.errCode}");
         });

lib/mine/roll_center_page.dart

@@ -25,9 +25,9 @@ class RollCenterPage extends StatefulWidget {
 }
 
 class _RollCenterPage extends State<RollCenterPage> {
-  RefreshController _refreshController;
+  RefreshController? _refreshController;
 
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void initState() {
@@ -42,7 +42,7 @@ class _RollCenterPage extends State<RollCenterPage> {
   }
 
   int pageNum = 1;
-  List<Coupon> coupons = [];
+  List<Coupon?> coupons = [];
 
   queryCoupon() async {
     BaseData<PageInfo<Coupon>> baseData = await apiService.queryCoupon({
@@ -52,23 +52,23 @@ class _RollCenterPage extends State<RollCenterPage> {
       "searchKey": "",
       "state": 0
     }).catchError((onError) {
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
-      _refreshController.loadFailed();
+      _refreshController?.loadFailed();
     });
     if (pageNum == 1) coupons.clear();
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
-      coupons.addAll(baseData.data.list);
+      coupons.addAll(baseData.data!.list!);
-      _refreshController.refreshCompleted();
+      _refreshController?.refreshCompleted();
-      _refreshController.loadComplete();
+      _refreshController?.loadComplete();
-      if (baseData.data.pageNum == baseData.data.pages) {
+      if (baseData.data!.pageNum == baseData.data!.pages) {
-        _refreshController.loadNoData();
+        _refreshController?.loadNoData();
       } else {
         pageNum += 1;
       }
       setState(() {});
     } else {
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
-      _refreshController.loadFailed();
+      _refreshController?.loadFailed();
     }
   }
 
@@ -106,11 +106,11 @@ class _RollCenterPage extends State<RollCenterPage> {
                 enablePullUp: true,
                 header: MyHeader(),
                 footer: CustomFooter(
-                  builder: (BuildContext context, LoadStatus mode) {
+                  builder: (BuildContext context, LoadStatus? mode) {
                     return MyFooter(mode);
                   },
                 ),
-                controller: _refreshController,
+                controller: _refreshController!,
                 onRefresh: refreshCoupon,
                 onLoading: queryCoupon,
                 physics: BouncingScrollPhysics(),
@@ -121,23 +121,23 @@ class _RollCenterPage extends State<RollCenterPage> {
                         coupons[position],
                         (type) {
                           if (type == 1) {
-                            receiveCoupon(coupons[position].id);
+                            receiveCoupon(coupons[position]!.id);
                           } else {
-                            if (coupons[position].bizType == 5) {
+                            if (coupons[position]!.bizType == 5) {
                               Navigator.of(context).pushNamed(
                                   '/router/write_off_page',
                                   arguments: {
-                                    "couponId": coupons[position].id,
+                                    "couponId": coupons[position]!.id,
-                                    "coupon": coupons[position].toJson()
+                                    "coupon": coupons[position]!.toJson()
                                   });
                             } else {
-                              showStoreSelector(coupons[position].storeList);
+                              showStoreSelector(coupons[position]!.storeList);
                             }
                           }
                         },
                         () {
                           setState(() {
-                            coupons[position].isEx = !coupons[position].isEx;
+                            coupons[position]!.isEx = !coupons[position]!.isEx!;
                           });
                         },
                         type: 1,
@@ -156,7 +156,7 @@ class _RollCenterPage extends State<RollCenterPage> {
 
   receiveCoupon(couponId) async {
     BaseData baseData = await apiService.receiveCoupon(couponId);
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       refreshCoupon();
       showAlertDialog();
     }

lib/mine/user_info_page.dart

@@ -27,7 +27,7 @@ class UserInfoPage extends StatefulWidget {
 }
 
 class _UserInfoPage extends State<UserInfoPage> {
-  ApiService apiService;
+  late ApiService apiService;
 
   Map<String, dynamic> modifyInfo = {
     "birth": "",
@@ -41,22 +41,22 @@ class _UserInfoPage extends State<UserInfoPage> {
     super.initState();
     SharedPreferences.getInstance().then((value) => {
           print(value.getString('user')),
-          user = UserInfo.fromJson(jsonDecode(value.getString('user'))),
+          user = UserInfo.fromJson(jsonDecode(value.getString('user')!)),
-          mobile = value.getString('mobile'),
+          mobile = value.getString('mobile')!,
-          modifyInfo["nickname"] = user.nickname,
+          modifyInfo["nickname"] = user!.nickname,
-          modifyInfo["birth"] = user.birth,
+          modifyInfo["birth"] = user!.birth,
-          modifyInfo["headimg"] = user.headimg,
+          modifyInfo["headimg"] = user!.headimg,
-          modifyInfo["sex"] = user.sex,
+          modifyInfo["sex"] = user!.sex,
-          age = AppUtils.getAgeByString(user.birth),
+          age = AppUtils.getAgeByString(user!.birth!),
           refresh(),
           apiService =  ApiService(Dio(), context: context, token: value.getString('token')),
         });
   }
 
-  String age;
+  String? age;
   String mobile = "";
   String locale = "zh";
-  UserInfo user;
+  UserInfo? user;
 
   refresh() async {
     setState(() {});
@@ -186,7 +186,7 @@ class _UserInfoPage extends State<UserInfoPage> {
               4,
               (age == null || age == "")
                   ? S.of(context).wanshanshengrixinxi_nl
-                  : S.of(context).sui(age)),
+                  : S.of(context).sui(age!)),
         ],
       ),
     );
@@ -219,7 +219,7 @@ class _UserInfoPage extends State<UserInfoPage> {
         });
     if (dateTime != null ) {
       modifyInfo["birth"] = DateFormat("yyyy-MM-dd").format(dateTime);
-      user.birth = modifyInfo["birth"];
+      user!.birth = modifyInfo["birth"];
       age = AppUtils.getAge(dateTime);
       modifyInfos();
       setState(() {});
@@ -280,7 +280,7 @@ class _UserInfoPage extends State<UserInfoPage> {
     }
   }
 
-  String filePath;
+  String? filePath;
 
   ///打开相册
   openStorage() async {
@@ -298,8 +298,8 @@ class _UserInfoPage extends State<UserInfoPage> {
     }
   }
 
-  Future<File> cropImage(imagePath) async {
+  Future<File?> cropImage(imagePath) async {
-    File croppedFile = await ImageCropper.cropImage(
+    File? croppedFile = await ImageCropper.cropImage(
         sourcePath: imagePath,
         aspectRatioPresets: [
           CropAspectRatioPreset.square,
@@ -330,7 +330,7 @@ class _UserInfoPage extends State<UserInfoPage> {
   ///调用修改用户信息接口
   modifyInfos() async {
     var info = await apiService.editInfo(modifyInfo);
-    if (info.isSuccess) {
+    if (info.isSuccess!) {
       setState(() {
         SmartDialog.showToast("用户信息修改成功", alignment: Alignment.center);
       });
@@ -339,11 +339,11 @@ class _UserInfoPage extends State<UserInfoPage> {
 
   ///文件上传
   fileUpload() async {
-    if (filePath != null && filePath != "" && await File(filePath).exists()) {
+    if (filePath != null && filePath != "" && await File(filePath!).exists()) {
-      BaseData<UploadResult> baseData = await apiService.upload(File(filePath), 123123123);
+      BaseData<UploadResult> baseData = await apiService.upload(File(filePath!), 123123123);
-      if (baseData != null && baseData.isSuccess) {
+      if (baseData != null && baseData.isSuccess!) {
-        UploadResult uploadResult = baseData.data;
+        UploadResult? uploadResult = baseData.data;
-        modifyInfo["headimg"] = uploadResult.url;
+        modifyInfo["headimg"] = uploadResult!.url;
         modifyInfos();
       }
     }
@@ -407,7 +407,7 @@ class _UserInfoPage extends State<UserInfoPage> {
                     fit: BoxFit.cover,
                   ))
             : Image.file(
-                File(filePath),
+                File(filePath!),
                 width: 42,
                 height: 42,
                 fit: BoxFit.cover,

lib/mine/vip_balance_page.dart

@@ -24,9 +24,9 @@ class VipBalancePage extends StatefulWidget {
 }
 
 class _VipBalancePage extends State<VipBalancePage> {
-  RefreshController _refreshController;
+  RefreshController? _refreshController;
 
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void initState() {
@@ -42,7 +42,7 @@ class _VipBalancePage extends State<VipBalancePage> {
   }
 
   int current = 1;
-  List<UserBill> userBills = [];
+  List<UserBill?> userBills = [];
 
   queryBillInfo() async {
     BaseData<PageInfo<UserBill>> baseData = await apiService.queryBillInfo({
@@ -57,26 +57,26 @@ class _VipBalancePage extends State<VipBalancePage> {
       "size": 10,
       "sort": "id"
     }).catchError((error) {
-      _refreshController.loadFailed();
+      _refreshController?.loadFailed();
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       if (current == 1) {
         userBills.clear();
       }
-      userBills.addAll(baseData.data.records);
+      userBills.addAll(baseData.data!.records!);
       setState(() {
-        _refreshController.refreshCompleted();
+        _refreshController?.refreshCompleted();
-        _refreshController.loadComplete();
+        _refreshController?.loadComplete();
-        if (baseData.data.pageNum == baseData.data.pages) {
+        if (baseData.data!.pageNum == baseData.data!.pages) {
-          _refreshController.loadNoData();
+          _refreshController?.loadNoData();
         } else {
           current += 1;
         }
       });
     } else {
-      _refreshController.loadFailed();
+      _refreshController?.loadFailed();
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
     }
   }
 
@@ -99,7 +99,7 @@ class _VipBalancePage extends State<VipBalancePage> {
               )
             : ListView.builder(
                 itemBuilder: (context, position) {
-                  return balanceItem(userBills[position]);
+                  return balanceItem(userBills![position]);
                 },
                 itemCount: userBills.length,
               ),
@@ -107,7 +107,7 @@ class _VipBalancePage extends State<VipBalancePage> {
     );
   }
 
-  Widget balanceItem(UserBill userBill) {
+  Widget balanceItem(UserBill? userBill) {
     return Container(
       margin: EdgeInsets.only(left: 16.w, right: 16.w),
       child: Column(
@@ -122,7 +122,7 @@ class _VipBalancePage extends State<VipBalancePage> {
                 margin: EdgeInsets.only(left: 12.w, top: 12.h),
                 alignment: Alignment.center,
                 child: Image.asset(
-                  userBill.pm == 0
+                  userBill?.pm == 0
                       ? "assets/image/icon_store_c.png"
                       : "assets/image/icon_wallet_recharge.png",
                 ),
@@ -133,7 +133,7 @@ class _VipBalancePage extends State<VipBalancePage> {
                   margin: EdgeInsets.only(left: 6.w, top: 12.h),
                   alignment: Alignment.centerLeft,
                   child: Text(
-                    userBill.name,
+                    userBill!.name!,
                     style: TextStyle(
                       fontWeight: FontWeight.bold,
                       fontSize: 16.sp,
@@ -145,7 +145,7 @@ class _VipBalancePage extends State<VipBalancePage> {
               ),
               Padding(
                 padding: EdgeInsets.only(top: 12.h),
-                child: Text("${userBill.pm == 0 ? "-" : "+"}${userBill.number}",
+                child: Text("${userBill!.pm == 0 ? "-" : "+"}${userBill!.number}",
                     style: TextStyle(fontSize: 16, color: Color(0xffF68034))),
               ),
             ],
@@ -173,7 +173,7 @@ class _VipBalancePage extends State<VipBalancePage> {
                 Text.rich(
                   TextSpan(children: [
                     TextSpan(
-                      text: S.of(context).yue_(userBill.balance),
+                      text: S.of(context).yue_(userBill.balance!),
                       style: TextStyle(
                         fontSize: 14.sp,
                         fontWeight: FontWeight.bold,

lib/mine/vip_card_page.dart

@@ -21,9 +21,9 @@ class VipCardPage extends StatefulWidget {
 }
 
 class _VipCardPage extends State<VipCardPage> {
-  RefreshController _refreshController;
+  RefreshController? _refreshController;
 
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void initState() {
@@ -36,20 +36,20 @@ class _VipCardPage extends State<VipCardPage> {
     });
   }
 
-  List<VipCard> coupons = [];
+  List<VipCard?> coupons = [];
 
   queryVipCard() async {
     BaseData<List<VipCard>> baseData = await apiService.vipList({}).catchError((error) {
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       coupons.clear();
-      coupons.addAll(baseData.data);
+      coupons.addAll(baseData.data!);
       setState(() {
-        _refreshController.refreshCompleted();
+        _refreshController?.refreshCompleted();
       });
     } else {
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
     }
   }
 
@@ -66,7 +66,7 @@ class _VipCardPage extends State<VipCardPage> {
               return MyFooter(mode);
             },
           ),
-          controller: _refreshController,
+          controller: _refreshController!,
           onRefresh: queryVipCard,
           physics: BouncingScrollPhysics(),
           child: (coupons != null && coupons.length > 0) ? ListView.builder(
@@ -75,9 +75,9 @@ class _VipCardPage extends State<VipCardPage> {
               return GestureDetector(
                 onTap: () {
                   Navigator.of(context).pushNamed('/router/vip_details_page',
-                      arguments: {"id": coupons[position].id});
+                      arguments: {"id": coupons![position]!.id!});
                 },
-                child: vipCardItem(coupons[position]),
+                child: vipCardItem(coupons![position]),
               );
             },
             itemCount: coupons != null ? coupons.length : 0,
@@ -104,7 +104,7 @@ class _VipCardPage extends State<VipCardPage> {
     return "assets/image/icon_vip_bj.png";
   }
 
-  Widget vipCardItem(VipCard vipCard) {
+  Widget vipCardItem(VipCard? vipCard) {
     return Container(
       margin: EdgeInsets.fromLTRB(16.w, 8.h, 16.w, 8.h),
       decoration: BoxDecoration(
@@ -124,7 +124,7 @@ class _VipCardPage extends State<VipCardPage> {
             child: ClipRRect(
               borderRadius: BorderRadius.circular(8.w),
               child: Image.asset(
-                assetsByName(vipCard.tenantName),
+                assetsByName(vipCard!.tenantName!),
                 fit: BoxFit.cover, //填充剩余空间
                 height: 170.h,
               ),
@@ -143,7 +143,7 @@ class _VipCardPage extends State<VipCardPage> {
                 Row(
                   children: [
                     MImage(
-                      (vipCard?.storeList?.length ?? 0) > 0 ? vipCard.storeList[0].logo : "",
+                      (vipCard?.storeList?.length ?? 0) > 0 ? vipCard.storeList![0]!.logo! : "",
                       width: 54.w,
                       height: 54.h,
                       fit: BoxFit.cover,

lib/mine/vip_detail_page.dart

@@ -16,7 +16,7 @@ import 'package:pull_to_refresh/pull_to_refresh.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 class VipDetailPage extends StatefulWidget {
-  final Map<String, dynamic> arguments;
+  final Map<String, dynamic>? arguments;
 
   VipDetailPage({this.arguments});
 
@@ -27,7 +27,7 @@ class VipDetailPage extends StatefulWidget {
 }
 
 class _VipDetailPage extends State<VipDetailPage> {
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void dispose() {
@@ -60,17 +60,17 @@ class _VipDetailPage extends State<VipDetailPage> {
     Location.getInstance().startLocation(context);
   }
 
-  VipCard vipCard;
+  VipCard? vipCard;
   final RefreshController refreshController = RefreshController();
   int current = 1;
 
   vipDetail(latitude, longitude) async {
     BaseData<VipCard> baseData = await apiService.vipDetail({
-      "id": widget.arguments["id"],
+      "id": widget.arguments!["id"],
       "latitude": "$latitude",
       "longitude": "$longitude",
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       vipCard = baseData.data;
       refreshController.loadComplete();
       setState(() {});
@@ -142,12 +142,12 @@ class _VipDetailPage extends State<VipDetailPage> {
                 itemBuilder: (context, position) {
                   return GestureDetector(
                     onTap: () {},
-                    child: shopItem(vipCard.storeList[position]),
+                    child: shopItem(vipCard!.storeList![position]),
                   );
                 },
                 padding: EdgeInsets.symmetric(vertical: 1),
-                itemCount: (vipCard != null && vipCard.storeList != null)
+                itemCount: (vipCard != null && vipCard!.storeList != null)
-                    ? vipCard.storeList.length : 0,
+                    ? vipCard!.storeList!.length : 0,
               ),
             ),
           ),
@@ -190,7 +190,7 @@ class _VipDetailPage extends State<VipDetailPage> {
                   children: [
                     MImage(
                       (vipCard?.storeList?.length ?? 0) > 0
-                          ? vipCard.storeList[0].logo
+                          ? vipCard!.storeList![0]!.logo!
                           : "",
                       width: 40.w,
                       height: 40.h,
@@ -215,7 +215,7 @@ class _VipDetailPage extends State<VipDetailPage> {
                               children: [
                                 Expanded(
                                   child: Text(
-                                    vipCard != null ? vipCard.tenantName : "",
+                                    vipCard != null ? vipCard!.tenantName! : "",
                                     overflow: TextOverflow.ellipsis,
                                     style: TextStyle(
                                       fontSize: 14.sp,
@@ -269,7 +269,7 @@ class _VipDetailPage extends State<VipDetailPage> {
                               children: [
                                 TextSpan(
                                   text:
-                                      "¥ ${vipCard != null ? vipCard.balance : ""}",
+                                      "¥ ${vipCard != null ? vipCard!.balance : ""}",
                                   style: TextStyle(
                                     fontSize: 24.sp,
                                     fontWeight: FontWeight.w500,
@@ -283,7 +283,7 @@ class _VipDetailPage extends State<VipDetailPage> {
                             onTap: () {
                               Navigator.of(context).pushNamed(
                                   '/router/vip_balance',
-                                  arguments: {"storeId": vipCard.id});
+                                  arguments: {"storeId": vipCard!.id});
                             },
                             child: Row(
                               children: [
@@ -355,11 +355,11 @@ class _VipDetailPage extends State<VipDetailPage> {
                       padding: EdgeInsets.only(top: 5.h, bottom: 5.h),
                       child: Text(
                         vipCard != null
-                            ? "${vipCard.id.substring(0, 4)} "
+                            ? "${vipCard!.id!.substring(0, 4)} "
-                                "${vipCard.id.substring(4, 8)} "
+                                "${vipCard!.id!.substring(4, 8)} "
-                                "${vipCard.id.substring(8, 12)} "
+                                "${vipCard!.id!.substring(8, 12)} "
-                                "${vipCard.id.substring(12, 16)} "
+                                "${vipCard!.id!.substring(12, 16)} "
-                                "${vipCard.id.substring(16, vipCard.id.length)}"
+                                "${vipCard!.id!.substring(16, vipCard!.id!.length)}"
                             : "",
                         maxLines: 1,
                         textAlign: TextAlign.center,
@@ -369,17 +369,17 @@ class _VipDetailPage extends State<VipDetailPage> {
                           wordSpacing: vipCard == null
                               ? 10
                               : (MediaQuery.of(context).size.width - 64.w) /
-                                  (((vipCard.id.length) * 4)),
+                                  (((vipCard!.id!.length) * 4)),
                           letterSpacing: vipCard == null
                               ? 8
                               : (MediaQuery.of(context).size.width - 64.w) /
-                                  (((vipCard.id.length) * 4)),
+                                  (((vipCard!.id!.length) * 4)),
                         ),
                       ),
                     ),
                     BarcodeWidget(
                       barcode: Barcode.code128(),
-                      data: vipCard == null ? "" : vipCard.id,
+                      data: vipCard == null ? "" : vipCard!.id!,
                       height: 30.h,
                       color: Colors.black,
                       drawText: false,
@@ -394,7 +394,7 @@ class _VipDetailPage extends State<VipDetailPage> {
     );
   }
 
-  Widget shopItem(StoreListBean store) {
+  Widget shopItem(StoreListBean? store) {
     return Container(
       margin: EdgeInsets.symmetric(horizontal: 16.w, vertical: 8.h),
       child: Column(
@@ -407,7 +407,7 @@ class _VipDetailPage extends State<VipDetailPage> {
               Expanded(
                 flex: 1,
                 child: Text(
-                  (store != null) ? store.storeName : "",
+                  (store != null) ? store!.storeName! : "",
                   style: TextStyle(
                     fontSize: 14.sp,
                     fontWeight: FontWeight.bold,
@@ -418,7 +418,7 @@ class _VipDetailPage extends State<VipDetailPage> {
               GestureDetector(
                 onTap: () {
                   Navigator.of(context).pushNamed('/router/union_detail_page',
-                      arguments: {"id": store.id});
+                      arguments: {"id": store!.id!});
                 },
                 child: Text(
                   S.of(context).chakan,
@@ -451,7 +451,7 @@ class _VipDetailPage extends State<VipDetailPage> {
               ),
               Expanded(
                 child: Text(
-                  store.address,
+                  store!.address!,
                   overflow: TextOverflow.ellipsis,
                   style: TextStyle(
                     fontSize: 12.sp,
@@ -476,7 +476,7 @@ class _VipDetailPage extends State<VipDetailPage> {
                   S.of(context).yingyeshijian((store.openStartTime == null &&
                           store.openEndTime == null)
                       ? S.of(context).quantian
-                      : "${store.openStartTime.substring(0, store.openStartTime.lastIndexOf(":"))} - ${store.openEndTime.substring(0, store.openEndTime.lastIndexOf(":"))}"),
+                      : "${store.openStartTime!.substring(0, store.openStartTime!.lastIndexOf(":"))} - ${store.openEndTime!.substring(0, store.openEndTime!.lastIndexOf(":"))}"),
                   style: TextStyle(
                     fontSize: 12.sp,
                     fontWeight: FontWeight.w400,
@@ -505,14 +505,14 @@ class _VipDetailPage extends State<VipDetailPage> {
 
   String totalPrice(orderInfo) {
     if (orderInfo == null) return "";
-    double totalPrice = (double.tryParse(orderInfo.orderSum) + double.tryParse(orderInfo.postFee));
+    double totalPrice = (double.tryParse(orderInfo.orderSum)! + double.tryParse(orderInfo.postFee)!);
     if (orderInfo.orderDetail != null && orderInfo.orderDetail.couponDTO != null) {
-      totalPrice -= double.tryParse(orderInfo.orderDetail.couponDTO.money);
+      totalPrice -= double.tryParse(orderInfo.orderDetail.couponDTO.money)!;
     }
     return "$totalPrice";
   }
 
-  List<Widget> goodsItem(List<ProductList> products) {
+  List<Widget> goodsItem(List<ProductList?> products) {
     if (products == null) return [];
     if (products.length > 3) {
       products = products.sublist(0, 3);
@@ -524,7 +524,7 @@ class _VipDetailPage extends State<VipDetailPage> {
               crossAxisAlignment: CrossAxisAlignment.center,
               children: [
                 MImage(
-                  e.skuImg,
+                  e!.skuImg!,
                   width: 75.w,
                   height: 75.h,
                   fit: BoxFit.contain,
@@ -538,7 +538,7 @@ class _VipDetailPage extends State<VipDetailPage> {
                   Container(
                     width: 75.w,
                     child: Text(
-                      e.productName,
+                      e!.productName!,
                       maxLines: 1,
                       textAlign: TextAlign.center,
                       overflow: TextOverflow.ellipsis,

lib/order/exchange_history_page.dart

@@ -26,9 +26,9 @@ class ExchangeHistoryPage extends StatefulWidget {
 
 class _ExchangeHistoryPage extends State<ExchangeHistoryPage>
     with SingleTickerProviderStateMixin {
-  List<Widget> tabs;
+  List<Widget>? tabs;
-  List<Widget> _pages;
+  List<Widget>? _pages;
-  TabController tabcontroller;
+  TabController? tabcontroller;
 
   @override
   void initState() {
@@ -91,12 +91,12 @@ class _ExchangeHistoryPage extends State<ExchangeHistoryPage>
                   fontSize: 16.sp,
                   fontWeight: FontWeight.bold),
               labelColor: Colors.black,
-              tabs: tabs,
+              tabs: tabs!,
             ),
           ),
         ),
         body: TabBarView(
-          children: _pages,
+          children: _pages!,
           controller: tabcontroller,
         ),
       ),
@@ -116,7 +116,7 @@ class ExchangeHistoryList extends StatefulWidget {
 }
 
 class _ExchangeHistoryList extends State<ExchangeHistoryList> {
-  ApiService apiService;
+  late ApiService apiService;
 
   RefreshController _refreshController =
       RefreshController(initialRefresh: false);
@@ -132,7 +132,7 @@ class _ExchangeHistoryList extends State<ExchangeHistoryList> {
   }
 
   int pageNum = 1;
-  List<ExchangeOrder> orders = [];
+  List<ExchangeOrder?> orders = [];
 
   queryHistory() async {
     var map = {
@@ -148,15 +148,15 @@ class _ExchangeHistoryList extends State<ExchangeHistoryList> {
       _refreshController.loadFailed();
       _refreshController.refreshFailed();
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       if (pageNum == 1) {
         orders.clear();
       }
-      orders.addAll(baseData.data.list);
+      orders.addAll(baseData.data!.list!);
       setState(() {
         _refreshController.loadComplete();
         _refreshController.refreshCompleted();
-        if (baseData.data.pages == baseData.data.pageNum) {
+        if (baseData.data!.pages == baseData.data!.pageNum) {
           _refreshController.loadNoData();
         } else {
           pageNum += 1;
@@ -180,7 +180,7 @@ class _ExchangeHistoryList extends State<ExchangeHistoryList> {
       enablePullUp: true,
       header: MyHeader(),
       footer: CustomFooter(
-        builder: (BuildContext context, LoadStatus mode) {
+        builder: (BuildContext context, LoadStatus? mode) {
           return MyFooter(mode);
         },
       ),
@@ -197,7 +197,7 @@ class _ExchangeHistoryList extends State<ExchangeHistoryList> {
           : ListView.builder(
               itemCount: orders == null ? 0 : orders.length,
               itemBuilder: (context, position) {
-                return buildOrder(orders[position]);
+                return buildOrder(orders![position]);
               },
             ),
     );
@@ -219,7 +219,7 @@ class _ExchangeHistoryList extends State<ExchangeHistoryList> {
     return orderStatus;
   }
 
-  Widget buildOrder(ExchangeOrder exchangeOrder) {
+  Widget buildOrder(ExchangeOrder? exchangeOrder) {
     return Container(
       margin: EdgeInsets.fromLTRB(16.w, 8.h, 16.w, 8.h),
       padding: EdgeInsets.all(12),
@@ -241,7 +241,7 @@ class _ExchangeHistoryList extends State<ExchangeHistoryList> {
             crossAxisAlignment: CrossAxisAlignment.center,
             children: [
               Text(
-                S.of(context).chuangjianshijian(exchangeOrder.createTime),
+                S.of(context).chuangjianshijian(exchangeOrder!.createTime!),
                 style: TextStyle(
                   color: Colors.black,
                   fontWeight: FontWeight.bold,
@@ -249,7 +249,7 @@ class _ExchangeHistoryList extends State<ExchangeHistoryList> {
                 ),
               ),
               Text(
-                orderStatus(exchangeOrder.state),
+                orderStatus(exchangeOrder!.state),
                 style: TextStyle(
                   color: Color(0xFFFE951E),
                   fontWeight: FontWeight.bold,
@@ -326,7 +326,7 @@ class _ExchangeHistoryList extends State<ExchangeHistoryList> {
               Image.network(
                 (exchangeOrder != null &&
                         exchangeOrder.creditOrderDetailList != null)
-                    ? exchangeOrder.creditOrderDetailList[0].goodsMainImg
+                    ? exchangeOrder.creditOrderDetailList![0]!.goodsMainImg!
                     : "",
                 errorBuilder: (context, error, stackTrace) {
                   return Image.asset("assets/image/default_1.png",
@@ -347,7 +347,7 @@ class _ExchangeHistoryList extends State<ExchangeHistoryList> {
                     crossAxisAlignment: CrossAxisAlignment.start,
                     children: [
                       Text(
-                        exchangeOrder.creditOrderDetailList[0].name,
+                        exchangeOrder.creditOrderDetailList![0]!.name!,
                         overflow: TextOverflow.ellipsis,
                         style: TextStyle(
                             fontSize: 14.sp,
@@ -361,7 +361,7 @@ class _ExchangeHistoryList extends State<ExchangeHistoryList> {
                         exchangeOrder.useTyped == 3
                             ? S.of(context).feishiwuduihuanma
                             : exchangeOrder
-                                .creditOrderDetailList[0].description,
+                                .creditOrderDetailList![0]!.description!,
                         maxLines: 2,
                         style: TextStyle(
                           fontSize: 10.sp,
@@ -399,7 +399,7 @@ class _ExchangeHistoryList extends State<ExchangeHistoryList> {
               //   width: 4,
               // ),
               Text(
-                S.of(context).shifujifen(exchangeOrder.amount),
+                S.of(context).shifujifen(exchangeOrder!.amount!),
                 style: TextStyle(
                   fontSize: 12.sp,
                   fontWeight: FontWeight.bold,
@@ -416,7 +416,7 @@ class _ExchangeHistoryList extends State<ExchangeHistoryList> {
             crossAxisAlignment: CrossAxisAlignment.end,
             children: [
               IconText(
-                S.of(context).youxiaoqizhi(exchangeOrder.updateTime),
+                S.of(context).youxiaoqizhi(exchangeOrder!.updateTime!),
                 leftImage: "assets/image/icon_order_time.png",
                 iconSize: 16,
                 textStyle: TextStyle(
@@ -445,7 +445,7 @@ class _ExchangeHistoryList extends State<ExchangeHistoryList> {
 
   receive2Card(id) async {
     BaseData baseData = await apiService.creditOrderReceive(id);
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       queryHistory();
     }
   }

lib/order/exchange_order_page.dart

@@ -14,7 +14,7 @@ import 'package:flutter_screenutil/flutter_screenutil.dart';
 
 
 class ExchangeOrderPage extends StatefulWidget {
-  final Map<String, dynamic> arguments;
+  final Map<String, dynamic>? arguments;
 
   ///兑换订单
   ExchangeOrderPage({this.arguments});
@@ -26,7 +26,7 @@ class ExchangeOrderPage extends StatefulWidget {
 }
 
 class _ExchangeOrderPage extends State<ExchangeOrderPage> {
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void initState() {
@@ -34,12 +34,11 @@ class _ExchangeOrderPage extends State<ExchangeOrderPage> {
 
     SharedPreferences.getInstance().then((value) => {
           apiService =  ApiService(Dio(), context: context, token: value.getString("token")),
-          points =
+          points = UserInfo.fromJson(jsonDecode(value.getString('user')!)).points,
-              UserInfo.fromJson(jsonDecode(value.getString('user'))).points,
         });
   }
 
-  String points;
+  String? points;
 
   @override
   Widget build(BuildContext context) {
@@ -107,9 +106,9 @@ class _ExchangeOrderPage extends State<ExchangeOrderPage> {
                           width: 12,
                         ),
                         Text(
-                          widget.arguments["useTyped"] == 1
+                          widget.arguments!["useTyped"] == 1
                               ? S.of(context).ziti
-                              : widget.arguments["useTyped"] == 2
+                              : widget.arguments!["useTyped"] == 2
                                   ? S.of(context).peisong
                                   : S.of(context).xianshangfafang,
                           style: TextStyle(
@@ -123,7 +122,7 @@ class _ExchangeOrderPage extends State<ExchangeOrderPage> {
                       child: SizedBox(
                         height: 13,
                       ),
-                      visible: widget.arguments["useTyped"] != 3,
+                      visible: widget.arguments!["useTyped"] != 3,
                     ),
                     Visibility(
                       child: Row(
@@ -151,13 +150,12 @@ class _ExchangeOrderPage extends State<ExchangeOrderPage> {
                                   Expanded(
                                     child: Text(
                                       (address != null && address != "")
-                                          ? address
+                                          ? address!
-                                          : widget.arguments["useTyped"] == 1
+                                          : widget.arguments!["useTyped"] == 1
                                               ? S.of(context).qingxuanzhemendian
-                                              : widget.arguments["useTyped"] ==
+                                              : widget.arguments!["useTyped"] ==
                                                       2
-                                                  ? S
+                                                  ? S.of(context)
-                                                      .of(context)
                                                       .qingxuanzeshouhuodizhi
                                                   : S.of(context).xuni,
                                       overflow: TextOverflow.ellipsis,
@@ -180,7 +178,7 @@ class _ExchangeOrderPage extends State<ExchangeOrderPage> {
                           ),
                         ],
                       ),
-                      visible: widget.arguments["useTyped"] != 3,
+                      visible: widget.arguments!["useTyped"] != 3,
                     ),
                     SizedBox(
                       height: 12,
@@ -188,7 +186,7 @@ class _ExchangeOrderPage extends State<ExchangeOrderPage> {
                     Row(
                       children: [
                         Visibility(
-                          visible: widget.arguments["useTyped"] != 3,
+                          visible: widget.arguments!["useTyped"] != 3,
                           child: Text(
                             S.of(context).zitishijian,
                             style: TextStyle(
@@ -196,20 +194,20 @@ class _ExchangeOrderPage extends State<ExchangeOrderPage> {
                           ),
                         ),
                         Visibility(
-                          visible: widget.arguments["useTyped"] != 3,
+                          visible: widget.arguments!["useTyped"] != 3,
                           child: SizedBox(
                             width: 12,
                           ),
                         ),
                         Text(
-                          widget.arguments["useTyped"] == 1
+                          widget.arguments!["useTyped"] == 1
                               ? S.of(context).duihuanhouwugegongzuori
-                              : widget.arguments["useTyped"] == 2
+                              : widget.arguments!["useTyped"] == 2
                                   ? S.of(context).duihuanhoufahuo
                                   : S.of(context).feishiwushangpin,
                           style: TextStyle(
                               fontSize: 14,
-                              color: widget.arguments["useTyped"] == 3
+                              color: widget.arguments!["useTyped"] == 3
                                   ? Color(0xFF32A060)
                                   : Color(0xFF353535)),
                         ),
@@ -263,7 +261,7 @@ class _ExchangeOrderPage extends State<ExchangeOrderPage> {
                       mainAxisSize: MainAxisSize.max,
                       children: [
                         Image.network(
-                          widget.arguments["image"],
+                          widget.arguments!["image"],
                           fit: BoxFit.cover,
                           width: 80.w,
                           height: 80.h,
@@ -277,7 +275,7 @@ class _ExchangeOrderPage extends State<ExchangeOrderPage> {
                               crossAxisAlignment: CrossAxisAlignment.end,
                               children: [
                                 Text(
-                                  widget.arguments["name"],
+                                  widget.arguments!["name"],
                                   style: TextStyle(
                                       fontSize: 14,
                                       fontWeight: FontWeight.bold,
@@ -338,7 +336,7 @@ class _ExchangeOrderPage extends State<ExchangeOrderPage> {
                           width: 12,
                         ),
                         Text(
-                          S.of(context).jifen_(widget.arguments["price"]),
+                          S.of(context).jifen_(widget.arguments!["price"]),
                           style:
                               TextStyle(fontSize: 12, color: Color(0xFF32A060)),
                         ),
@@ -379,18 +377,18 @@ class _ExchangeOrderPage extends State<ExchangeOrderPage> {
   }
 
   var storeIsSelected = true;
-  String storeId;
+  String? storeId;
-  String address;
+  String? address;
-  String userAddressId;
+  String? userAddressId;
 
   toAddressPicker() async {
-    if (widget.arguments["useTyped"] == 1) {
+    if (widget.arguments?["useTyped"] == 1) {
       dynamic result =
           await Navigator.of(context).pushNamed('/router/store_selector_page');
       if (result == null) return;
       storeId = result["id"];
       address = result["address"];
-    } else if (widget.arguments["useTyped"] == 2) {
+    } else if (widget.arguments?["useTyped"] == 2) {
       dynamic result = await Navigator.of(context).pushNamed(
           '/router/manage_address_page',
           arguments: {"isSelector": true});
@@ -402,32 +400,32 @@ class _ExchangeOrderPage extends State<ExchangeOrderPage> {
   }
 
   creditOrder() async {
-    if (widget.arguments["useTyped"] == 1 &&
+    if (widget.arguments?["useTyped"] == 1 &&
         (storeId == null || storeId == "")) {
       SmartDialog.showToast("请选择一个门店", alignment: Alignment.center);
       return;
     }
-    if (widget.arguments["useTyped"] == 2 &&
+    if (widget.arguments?["useTyped"] == 2 &&
         (userAddressId == null || userAddressId == "")) {
       SmartDialog.showToast("请选择一个收货地址", alignment: Alignment.center);
       return;
     }
     BaseData baseDate = await apiService.creditOrder({
-      "goodsId": widget.arguments["goodsId"],
+      "goodsId": widget.arguments?["goodsId"],
       "number": 1,
-      "useTyped": widget.arguments["useTyped"],
+      "useTyped": widget.arguments?["useTyped"],
-      if (widget.arguments["useTyped"] == 1) "storeId": storeId,
+      if (widget.arguments?["useTyped"] == 1) "storeId": storeId,
-      if (widget.arguments["useTyped"] == 2) "userAddressId": userAddressId,
+      if (widget.arguments?["useTyped"] == 2) "userAddressId": userAddressId,
     });
-    if (baseDate.isSuccess) {
+    if (baseDate.isSuccess!) {
       await Navigator.of(context).pushNamed(
           '/router/exchange_order_success_page',
-          arguments: {"price": widget.arguments["price"], "points": points, "id": baseDate.data});
+          arguments: {"price": widget.arguments?["price"], "points": points, "id": baseDate.data});
       points =
-          "${int.tryParse(points) - int.tryParse(widget.arguments["price"])}";
+          "${int.tryParse(points!)! - int.tryParse(widget.arguments?["price"])!}";
       Navigator.of(context).pop();
     } else {
-      SmartDialog.showToast(baseDate.msg, alignment: Alignment.center);
+      SmartDialog.showToast(baseDate.msg!, alignment: Alignment.center);
     }
   }
 }

lib/order/exchange_order_success_page.dart

@@ -13,7 +13,7 @@ import 'package:shared_preferences/shared_preferences.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 
 class ExchangeOrderSuccessPage extends StatefulWidget {
-  final Map<String, dynamic> arguments;
+  final Map<String, dynamic>? arguments;
 
   ExchangeOrderSuccessPage({this.arguments});
 
@@ -25,17 +25,17 @@ class ExchangeOrderSuccessPage extends StatefulWidget {
 
 class _ExchangeOrderSuccessPage extends State<ExchangeOrderSuccessPage> {
   int price = 0;
-  ApiService apiService;
+  late ApiService apiService;
   @override
   void initState() {
     super.initState();
-    price = int.tryParse(widget.arguments["points"]) -
+    price = int.tryParse(widget.arguments?["points"])! -
-        int.tryParse(widget.arguments["price"]);
+        int.tryParse(widget.arguments?["price"])!;
 
     UserInfo userInfo;
     SharedPreferences.getInstance().then((value){
       apiService = ApiService(Dio(), context: context, token: value.getString("token"));
-          userInfo = UserInfo.fromJson(jsonDecode(value.getString('user')));
+          userInfo = UserInfo.fromJson(jsonDecode(value.getString('user')!));
           userInfo.points = "$price";
           value.setString('user', jsonEncode(userInfo.toJson()));
         });
@@ -87,7 +87,7 @@ class _ExchangeOrderSuccessPage extends State<ExchangeOrderSuccessPage> {
                   child: Column(
                     children: [
                       Text(
-                        widget.arguments["price"],
+                        widget.arguments?["price"],
                         style: TextStyle(
                             color: Colors.black,
                             fontSize: 21.sp,
@@ -200,8 +200,8 @@ class _ExchangeOrderSuccessPage extends State<ExchangeOrderSuccessPage> {
   }
 
   receiveToCard() async {
-    BaseData baseData = await apiService.receiveToCard(widget.arguments["id"]);
+    BaseData baseData = await apiService.receiveToCard(widget.arguments?["id"]);
-    if(baseData != null && baseData.isSuccess) {
+    if(baseData != null && baseData.isSuccess!) {
       await Navigator.of(context).pushNamed('/router/mine_card');
       Navigator.of(context).pop();
     }

lib/order/logistics_information_page.dart

@@ -23,8 +23,8 @@ class LogisticsInformationPage extends StatefulWidget {
 }
 
 class _LogisticsInformationPage extends State<LogisticsInformationPage> {
-  ApiService apiService;
+  late ApiService apiService;
-  RefreshController _refreshController;
+  RefreshController? _refreshController;
 
   @override
   void initState() {
@@ -39,26 +39,28 @@ class _LogisticsInformationPage extends State<LogisticsInformationPage> {
     });
   }
 
-  List<TracesBean> logistics = [];
+  List<TracesBean?> logistics = [];
   String shipStatus = "";
 
   getShippingTrace(String shipperCode, String logisticCode) async {
     BaseData<Logistics> baseData = await apiService
         .shippingTrace(shipperCode, logisticCode)
         .catchError((error) {
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
-      Logistics lgs = baseData.data;
+      Logistics? lgs = baseData.data;
       logistics.clear();
-      logistics.addAll(lgs.traces.reversed);
+      logistics.addAll(lgs!.traces!.reversed);
       setState(() {
         shipStatus = logisticsStatus(lgs.state);
-        if (logistics.length > 0) logistics[0].acceptStation += shipStatus;
+        if (logistics.length > 0) {
-        _refreshController.refreshCompleted();
+          logistics![0]!.acceptStation = logistics![0]!.acceptStation! + shipStatus;
+        }
+        _refreshController?.refreshCompleted();
       });
     } else {
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
     }
   }
 
@@ -121,7 +123,7 @@ class _LogisticsInformationPage extends State<LogisticsInformationPage> {
                                 itemCount:
                                     logistics != null ? logistics.length : 0,
                                 itemBuilder: (context, position) {
-                                  return orderTrackItem(logistics[position],
+                                  return orderTrackItem(logistics![position],
                                       position, logistics.length);
                                 })
                             : NoDataView(
@@ -299,7 +301,7 @@ class _LogisticsInformationPage extends State<LogisticsInformationPage> {
     );
   }
 
-  Widget orderTrackItem(TracesBean logistics, var position, var size) {
+  Widget orderTrackItem(TracesBean? logistics, var position, var size) {
     return Row(
       mainAxisAlignment: MainAxisAlignment.center,
       crossAxisAlignment: CrossAxisAlignment.start,
@@ -309,7 +311,7 @@ class _LogisticsInformationPage extends State<LogisticsInformationPage> {
           // crossAxisAlignment: CrossAxisAlignment.start,
           children: [
             Text(
-              logistics.acceptTime.split(" ")[0],
+              logistics!.acceptTime!.split(" ")[0],
               style: TextStyle(
                   fontSize: 14.sp,
                   fontWeight: FontWeight.w500,
@@ -319,7 +321,7 @@ class _LogisticsInformationPage extends State<LogisticsInformationPage> {
               height: 5.h,
             ),
             Text(
-              logistics.acceptTime.split(" ")[1],
+              logistics!.acceptTime!.split(" ")[1],
               style: TextStyle(
                   fontSize: 12.sp,
                   fontWeight: FontWeight.w500,
@@ -333,7 +335,7 @@ class _LogisticsInformationPage extends State<LogisticsInformationPage> {
         Column(
           children: [
             Image.asset(
-              tripStatus(logistics.acceptStation),
+              tripStatus(logistics!.acceptStation!),
               width: 24.w,
               height: 24.h,
             ),
@@ -355,9 +357,9 @@ class _LogisticsInformationPage extends State<LogisticsInformationPage> {
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.start,
             children: [
-              if (logisticsTripStatus(logistics.acceptStation) != "")
+              if (logisticsTripStatus(logistics!.acceptStation!) != "")
                 Text(
-                  logisticsTripStatus(logistics.acceptStation),
+                  logisticsTripStatus(logistics!.acceptStation!),
                   style: TextStyle(
                       fontSize: 14.sp,
                       fontWeight: FontWeight.w500,
@@ -367,7 +369,7 @@ class _LogisticsInformationPage extends State<LogisticsInformationPage> {
                 height: 10.h,
               ),
               Text(
-                logistics.acceptStation,
+                logistics!.acceptStation!,
                 style: TextStyle(
                     fontSize: 12.sp,
                     fontWeight: FontWeight.w400,

lib/order/order_detail_page.dart

@@ -9,10 +9,7 @@ import 'package:huixiang/utils/flutter_utils.dart';
 import 'package:huixiang/view_widget/border_text.dart';
 import 'package:huixiang/view_widget/custom_image.dart';
 import 'package:huixiang/view_widget/icon_text.dart';
-import 'package:huixiang/view_widget/login_tips.dart';
 import 'package:huixiang/view_widget/my_appbar.dart';
-import 'package:huixiang/view_widget/pay_input_view.dart';
-import 'package:huixiang/view_widget/request_permission.dart';
 import 'package:huixiang/view_widget/round_button.dart';
 import 'package:huixiang/view_widget/separator.dart';
 import 'package:huixiang/view_widget/text_image_dialog.dart';
@@ -32,7 +29,7 @@ class OrderDetailPage extends StatefulWidget {
 }
 
 class _OrderDetailPage extends State<OrderDetailPage> {
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void initState() {
@@ -45,7 +42,7 @@ class _OrderDetailPage extends State<OrderDetailPage> {
     });
   }
 
-  OrderInfo orderInfo;
+  OrderInfo? orderInfo;
   int payStatus = 0;
   int orderStatus = 0;
   int sendStatus = 0;
@@ -56,13 +53,13 @@ class _OrderDetailPage extends State<OrderDetailPage> {
 
   queryDetails() async {
     BaseData<OrderInfo> baseData = await apiService.orderDetail(widget.arguments["id"]);
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       orderInfo = baseData.data;
-      payStatus = orderInfo.payStatus;
+      payStatus = orderInfo!.payStatus!;
-      orderStatus = orderInfo.orderStatus;
+      orderStatus = orderInfo!.orderStatus!;
-      sendStatus = orderInfo.sendStatus;
+      sendStatus = orderInfo!.sendStatus!;
-      isTakeOut = orderInfo.isTakeOut;
+      isTakeOut = orderInfo!.isTakeOut!;
-      refundStatus = orderInfo.refundStatus;
+      refundStatus = orderInfo!.refundStatus!;
       // storeType = orderInfo.storeVO.posType.code;
       print("refund_status: $refundStatus");
       print("payStatus: $payStatus");
@@ -223,7 +220,7 @@ class _OrderDetailPage extends State<OrderDetailPage> {
     String minute = "";
     if (payStatus == 0) {
       String hourMinute = AppUtils.getHourMinuteAfter30mByString(
-          (orderInfo != null) ? orderInfo.createTime : "");
+          (orderInfo != null) ? orderInfo!.createTime! : "");
       var hourMinutes = hourMinute.split(":");
       hour = hourMinutes[0];
       minute = hourMinutes[1];
@@ -232,8 +229,8 @@ class _OrderDetailPage extends State<OrderDetailPage> {
       } else if (isTakeOut == 1) {
         if (sendStatus == 2 || sendStatus == 3) {
           String hourMinute = AppUtils.getHourMinuteByString(
-              (orderInfo != null && orderInfo.orderDetail != null)
+              (orderInfo != null && orderInfo!.orderDetail != null)
-                  ? orderInfo.orderDetail.predictTime
+                  ? orderInfo!.orderDetail!.predictTime!
                   : "");
           var hourMinutes = hourMinute.split(":");
           hour = hourMinutes[0];
@@ -307,7 +304,7 @@ class _OrderDetailPage extends State<OrderDetailPage> {
             break;
           case 3:
             title = S.of(context).dengdaiyonghuqucan;
-            center = S.of(context).qudanhao(orderInfo.dayFlowCode);
+            center = S.of(context).qudanhao(orderInfo!.dayFlowCode!);
             break;
           case 4:
             title = S.of(context).dingdanyiwancheng;
@@ -430,7 +427,7 @@ class _OrderDetailPage extends State<OrderDetailPage> {
                 Text(
                   S
                       .of(context)
-                      .yuan_(orderInfo != null ? orderInfo.finalPayPrice : "0"),
+                      .yuan_(orderInfo != null ? orderInfo!.finalPayPrice! : "0"),
                   style: TextStyle(
                     fontSize: 20.sp,
                     color: Color(0xFF32A060),
@@ -656,8 +653,8 @@ class _OrderDetailPage extends State<OrderDetailPage> {
                 height: 28.h,
               ),
               Text(
-                (orderInfo != null && orderInfo.addressExt != null)
+                (orderInfo != null && orderInfo!.addressExt != null)
-                    ? (orderInfo.addressExt.recName ?? "")
+                    ? (orderInfo!.addressExt!.recName! ?? "")
                     : "",
                 overflow: TextOverflow.ellipsis,
                 style: TextStyle(
@@ -670,8 +667,8 @@ class _OrderDetailPage extends State<OrderDetailPage> {
               ),
               Expanded(
                 child: Text(
-                  (orderInfo != null && orderInfo.addressExt != null)
+                  (orderInfo != null && orderInfo!.addressExt != null)
-                      ? (orderInfo.addressExt.recMobile ?? "")
+                      ? (orderInfo!.addressExt!.recMobile! ?? "")
                       : "",
                   overflow: TextOverflow.ellipsis,
                   style: TextStyle(
@@ -690,8 +687,8 @@ class _OrderDetailPage extends State<OrderDetailPage> {
           Container(
             margin: EdgeInsets.only(left: 28.w),
             child: Text(
-              (orderInfo != null && orderInfo.addressExt != null)
+              (orderInfo != null && orderInfo!.addressExt != null)
-                  ? (orderInfo.addressExt.address ?? "")
+                  ? (orderInfo!.addressExt!.address ?? "")
                   : "",
               overflow: TextOverflow.ellipsis,
               style: TextStyle(
@@ -736,8 +733,8 @@ class _OrderDetailPage extends State<OrderDetailPage> {
                           (open) {
                             if (open) {
                               String mobile = (orderInfo != null &&
-                                      orderInfo.storeVO != null)
+                                      orderInfo!.storeVO != null)
-                                  ? (orderInfo.storeVO.mobile ?? "")
+                                  ? (orderInfo!.storeVO!.mobile ?? "")
                                   : "";
                               if (mobile != "") {
                                 callMobile(mobile);
@@ -870,34 +867,34 @@ class _OrderDetailPage extends State<OrderDetailPage> {
   List<Widget> commodityList() {
     if (orderInfo == null) return [];
     List<Widget> widgets = [];
-    if (orderInfo.productList != null) {
+    if (orderInfo!.productList != null) {
       widgets
-          .addAll(orderInfo.productList.map((e) => commodityItem(e)).toList());
+          .addAll(orderInfo!.productList!.map((e) => commodityItem(e)).toList());
     }
     widgets.add(SizedBox(height: 20.h));
 
-    if (orderInfo.isTakeOut != 0) {
+    if (orderInfo!.isTakeOut != 0) {
       // 配送费
       widgets.add(discountItem(
           Color(0xFFFF7A1A),
-          orderInfo.isTakeOut == 1
+          orderInfo!.isTakeOut == 1
               ? S.of(context).peisongfei
               : S.of(context).yunfei,
           "",
-          "+${orderInfo.postFee}"));
+          "+${orderInfo!.postFee}"));
     }
 
-    if (orderInfo.orderDetail != null &&
+    if (orderInfo!.orderDetail != null &&
-        orderInfo.orderDetail.couponDTO != null) {
+        orderInfo!.orderDetail!.couponDTO != null) {
       // 配送费
       widgets.add(discountItem(
           Color(0xFF32A060),
           "优惠券",
-          orderInfo.orderDetail.couponDTO.name,
+          orderInfo!.orderDetail!.couponDTO!.name,
-          orderInfo.orderDetail.couponDTO.money));
+          orderInfo!.orderDetail!.couponDTO!.money));
     }
 
-    if (orderInfo.storeVO != null && orderInfo.storeVO.couponVO != null) {
+    if (orderInfo!.storeVO != null && orderInfo!.storeVO!.couponVO != null) {
       // widgets.add(discountItem(Color(0xFF32A060),
       //     orderInfo.storeVO.couponVO.storeName,
       //   S.of(context).huodongjianmianpeisongfei(orderInfo.storeVO.couponVO.discountAmount),
@@ -1010,14 +1007,14 @@ class _OrderDetailPage extends State<OrderDetailPage> {
       child: Column(
         children: [
           orderInfoItem(
-              S.of(context).dingdanhao, orderInfo != null ? orderInfo.id : ""),
+              S.of(context).dingdanhao, orderInfo != null ? orderInfo!.id : ""),
           orderInfoItem(S.of(context).xiadanshijian,
-              orderInfo != null ? orderInfo.createTime : ""),
+              orderInfo != null ? orderInfo!.createTime : ""),
           // orderInfoItem(S.of(context).peisongfangshi, orderInfo != null ? orderInfo.createTime : ""),
           orderInfoItem(
               S.of(context).beizhu,
               orderInfo != null
-                  ? orderInfo.notes ?? S.of(context).qingshurubeizhuyaoqiu
+                  ? orderInfo!.notes ?? S.of(context).qingshurubeizhuyaoqiu
                   : S.of(context).qingshurubeizhuyaoqiu),
           orderInfoItem(S.of(context).zhifufangshi,
               orderInfo != null ? payChannel() : S.of(context).yue),
@@ -1027,7 +1024,7 @@ class _OrderDetailPage extends State<OrderDetailPage> {
   }
 
   String payChannel() {
-    switch (orderInfo.payChannel) {
+    switch (orderInfo!.payChannel) {
       case 0:
         return "现金支付";
       case 1:
@@ -1091,13 +1088,13 @@ class _OrderDetailPage extends State<OrderDetailPage> {
     );
   }
 
-  Widget commodityItem(ProductList productList) {
+  Widget commodityItem(ProductList? productList) {
     return Container(
       margin: EdgeInsets.only(top: 8.h, bottom: 8.h),
       child: Row(
         children: [
           MImage(
-            productList.skuImg,
+            productList!.skuImg!,
             width: 44.w,
             height: 44.w,
             fit: BoxFit.cover,
@@ -1120,7 +1117,7 @@ class _OrderDetailPage extends State<OrderDetailPage> {
                     crossAxisAlignment: CrossAxisAlignment.center,
                     children: [
                       Text(
-                        productList.productName,
+                        productList!.productName!,
                         style: TextStyle(
                           fontWeight: FontWeight.bold,
                           fontSize: 14.sp,
@@ -1154,7 +1151,7 @@ class _OrderDetailPage extends State<OrderDetailPage> {
                         ),
                       ),
                       Text(
-                        S.of(context).yuan_(productList.sellPrice),
+                        S.of(context).yuan_(productList!.sellPrice!),
                         style: TextStyle(
                           fontWeight: FontWeight.bold,
                           fontSize: 12.sp,
@@ -1231,8 +1228,8 @@ class _OrderDetailPage extends State<OrderDetailPage> {
           Expanded(
             child: Text(
               S.of(context).gongjijianshangpin(
-                  (orderInfo != null && orderInfo.productList != null)
+                  (orderInfo != null && orderInfo!.productList != null)
-                      ? orderInfo.productList.length
+                      ? orderInfo!.productList!.length
                       : "0"),
               style: TextStyle(
                 fontSize: 10.sp,
@@ -1268,11 +1265,11 @@ class _OrderDetailPage extends State<OrderDetailPage> {
 
   String totalPrice() {
     if (orderInfo == null) return "";
-    double totalPrice = (double.tryParse(orderInfo.orderSum) +
+    double totalPrice = (double.tryParse(orderInfo!.orderSum!)! +
-        double.tryParse(orderInfo.postFee));
+        double.tryParse(orderInfo!.postFee!)!)!;
-    if (orderInfo.orderDetail != null &&
+    if (orderInfo!.orderDetail != null &&
-        orderInfo.orderDetail.couponDTO != null) {
+        orderInfo!.orderDetail!.couponDTO != null) {
-      totalPrice -= double.tryParse(orderInfo.orderDetail.couponDTO.money);
+      totalPrice -= double.tryParse(orderInfo!.orderDetail!.couponDTO!.money!)!;
     }
     return "$totalPrice";
   }

lib/order/order_history_page.dart

@@ -25,8 +25,8 @@ class OrderHistoryPage extends StatefulWidget {
 
 class _OrderHistoryPage extends State<OrderHistoryPage>
     with SingleTickerProviderStateMixin {
-  List<Widget> _pages;
+  List<Widget>? _pages;
-  TabController tabcontroller;
+  TabController? tabcontroller;
 
   @override
   void didChangeDependencies() {
@@ -91,7 +91,7 @@ class _OrderHistoryPage extends State<OrderHistoryPage>
           ),
         ),
         body: TabBarView(
-          children: _pages,
+          children: _pages!,
           controller: tabcontroller,
         ),
       ),
@@ -137,9 +137,9 @@ class _OrderHistoryList extends State<OrderHistoryList>
                 return InkWell(
                   onTap: () {
                     Navigator.of(context).pushNamed('/router/order_details',
-                        arguments: {"id": orderInfos[position].id});
+                        arguments: {"id": orderInfos[position]!.id!});
                   },
-                  child: orderItem(orderInfos[position]),
+                  child: orderItem(orderInfos[position]!),
                 );
               })
           : NoDataView(
@@ -153,7 +153,7 @@ class _OrderHistoryList extends State<OrderHistoryList>
 
   bool isRemake = true;
 
-  ApiService apiService;
+  late ApiService apiService;
   int current = 1;
 
   _onRefresh() {
@@ -161,7 +161,7 @@ class _OrderHistoryList extends State<OrderHistoryList>
     queryOrder();
   }
 
-  List<OrderInfo> orderInfos = [];
+  List<OrderInfo?> orderInfos = [];
 
   queryOrder() async {
     BaseData<PageInfo<OrderInfo>> baseData = await apiService.orderList({
@@ -175,14 +175,14 @@ class _OrderHistoryList extends State<OrderHistoryList>
       refreshController.loadFailed();
     });
 
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       if (current == 1) {
         orderInfos.clear();
       }
-      orderInfos.addAll(baseData.data.records);
+      orderInfos.addAll(baseData.data!.records!);
       refreshController.refreshCompleted();
       refreshController.loadComplete();
-      if (current * 10 > int.tryParse(baseData.data.total)) {
+      if (current * 10 > int.tryParse(baseData.data!.total!)!) {
         refreshController.loadNoData();
       } else {
         current += 1;
@@ -250,7 +250,7 @@ class _OrderHistoryList extends State<OrderHistoryList>
                   margin: EdgeInsets.only(left: 6.w, top: 12.h),
                   alignment: Alignment.centerLeft,
                   child: Text(
-                    (orderInfo != null) ? orderInfo.storeName : "",
+                    (orderInfo != null) ? orderInfo.storeName! : "",
                     style: TextStyle(
                       fontWeight: FontWeight.bold,
                       fontSize: 14.sp,
@@ -265,7 +265,7 @@ class _OrderHistoryList extends State<OrderHistoryList>
                 child: Text(
                   (orderInfo != null &&
                           orderInfo.storeVO != null &&
-                          orderInfo.storeVO.posType != null)
+                          orderInfo.storeVO!.posType != null)
                       ? StatusUtils.statusText(
                           context,
                           orderInfo.refundStatus,
@@ -280,7 +280,7 @@ class _OrderHistoryList extends State<OrderHistoryList>
                     color: (orderInfo == null)
                         ? Color(0xFF32A060)
                         : (orderInfo.refundStatus == 1 ||
-                                orderInfo.orderStatus >= 5)
+                                orderInfo.orderStatus! >= 5)
                             ? Colors.grey
                             : (orderInfo.orderStatus == 4)
                                 ? Color(0xFF32A060)
@@ -298,7 +298,7 @@ class _OrderHistoryList extends State<OrderHistoryList>
               children: [
                 Text(
                   S.of(context).xiadanshijian_(
-                      (orderInfo != null) ? orderInfo.createTime : ""),
+                      (orderInfo != null) ? orderInfo.createTime! : ""),
                   style: TextStyle(
                     fontSize: 10.sp,
                     color: Color(0xFF727272),
@@ -317,8 +317,8 @@ class _OrderHistoryList extends State<OrderHistoryList>
                           mainAxisAlignment: MainAxisAlignment.start,
                           crossAxisAlignment: CrossAxisAlignment.center,
                           children: goodsItem((orderInfo != null &&
-                                  orderInfo.productList != null)
+                                  orderInfo!.productList != null)
-                              ? orderInfo.productList
+                              ? orderInfo!.productList
                               : null),
                         ),
                       ),
@@ -363,7 +363,7 @@ class _OrderHistoryList extends State<OrderHistoryList>
                             TextSpan(
                               text: (orderInfo != null &&
                                       orderInfo.productList != null)
-                                  ? "${orderInfo.productList.length}"
+                                  ? "${orderInfo.productList!.length}"
                                   : "0",
                               style: TextStyle(
                                 fontSize: 12.sp,
@@ -430,9 +430,9 @@ class _OrderHistoryList extends State<OrderHistoryList>
                             orderInfo.logisticsName,
                             orderInfo.logisticsNum,
                             orderInfo.shipperCode,
-                            orderInfo.productList.length,
+                            orderInfo.productList!.length,
-                            orderInfo.productList.length > 0
+                            orderInfo.productList!.length > 0
-                                ? orderInfo.productList[0].skuImg
+                                ? orderInfo.productList![0]!.skuImg
                                 : "")
                         : [],
                   ),
@@ -447,16 +447,16 @@ class _OrderHistoryList extends State<OrderHistoryList>
 
   String totalPrice(orderInfo) {
     if (orderInfo == null) return "";
-    double totalPrice = (double.tryParse(orderInfo.orderSum) +
+    double totalPrice = (double.tryParse(orderInfo.orderSum)! +
-        double.tryParse(orderInfo.postFee));
+        double.tryParse(orderInfo.postFee)!);
     if (orderInfo.orderDetail != null &&
         orderInfo.orderDetail.couponDTO != null) {
-      totalPrice -= double.tryParse(orderInfo.orderDetail.couponDTO.money);
+      totalPrice -= double.tryParse(orderInfo.orderDetail.couponDTO.money)!;
     }
     return "$totalPrice";
   }
 
-  List<Widget> goodsItem(List<ProductList> products) {
+  List<Widget> goodsItem(List<ProductList?>? products) {
     if (products == null) return [];
     if (products.length > 3) {
       products = products.sublist(0, 3);
@@ -470,7 +470,7 @@ class _OrderHistoryList extends State<OrderHistoryList>
               crossAxisAlignment: CrossAxisAlignment.center,
               children: [
                 MImage(
-                  e.skuImg,
+                  e!.skuImg!,
                   width: 75.w,
                   height: 75.w,
                   fit: BoxFit.cover,
@@ -484,7 +484,7 @@ class _OrderHistoryList extends State<OrderHistoryList>
                   Container(
                     width: 75.w,
                     child: Text(
-                      e.productName,
+                      e!.productName!,
                       maxLines: 1,
                       textAlign: TextAlign.center,
                       overflow: TextOverflow.ellipsis,

lib/order/store_selector_page.dart

@@ -13,7 +13,6 @@ import 'package:huixiang/retrofit/data/base_data.dart';
 import 'package:huixiang/retrofit/data/store.dart';
 import 'package:huixiang/retrofit/retrofit_api.dart';
 import 'package:huixiang/view_widget/icon_text.dart';
-import 'package:huixiang/view_widget/loading_view.dart';
 import 'package:huixiang/view_widget/my_appbar.dart';
 import 'package:huixiang/view_widget/request_permission.dart';
 import 'package:permission_handler/permission_handler.dart';
@@ -28,14 +27,14 @@ class StoreSelectorPage extends StatefulWidget {
 }
 
 class _StoreSelectorPage extends State<StoreSelectorPage> {
-  ApiService apiService;
+  late ApiService apiService;
 
-  LocationFlutterPlugin aMapFlutterLocation;
+  LocationFlutterPlugin? aMapFlutterLocation;
 
   @override
   void dispose() {
     super.dispose();
-    aMapFlutterLocation.stopLocation();
+    aMapFlutterLocation?.stopLocation();
   }
 
   @override
@@ -49,17 +48,17 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
 
     if (aMapFlutterLocation == null) {
       aMapFlutterLocation = LocationFlutterPlugin();
-      aMapFlutterLocation.onResultCallback().listen((event) {
+      aMapFlutterLocation!.onResultCallback().listen((event) {
         if (event != null &&
             event["latitude"] != null &&
             event["longitude"] != null) {
           print("location: $event");
-          aMapFlutterLocation.stopLocation();
+          aMapFlutterLocation!.stopLocation();
           if (event["latitude"] is String && event["longitude"] is String) {
-            latLng = BMFCoordinate(double.tryParse(event["latitude"]),
+            latLng = BMFCoordinate(double.tryParse(event["latitude"] as String),
-                double.tryParse(event["longitude"]));
+                double.tryParse(event["longitude"] as String));
           } else {
-            latLng = BMFCoordinate(event["latitude"], event["longitude"]);
+            latLng = BMFCoordinate(event["latitude"] as double, event["longitude"] as double);
           }
           BMFCalculateUtils.coordConvert(
               coordinate: latLng,
@@ -75,7 +74,7 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
       });
     }
 
-    aMapFlutterLocation.prepareLoc({
+    aMapFlutterLocation?.prepareLoc({
       "coorType": "bd09ll",
       "isNeedAddres": false,
       "isNeedAltitude": false,
@@ -91,7 +90,6 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
       "reGeocodeTimeout": 10,
       "activityType": "CLActivityTypeAutomotiveNavigation",
       "BMKLocationCoordinateType": "BMKLocationCoordinateTypeBMK09LL",
-      "BMKLocationCoordinateType": "BMKLocationCoordinateTypeBMK09LL",
       "isNeedNewVersionRgc": false,
     });
 
@@ -107,8 +105,8 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
     await prefs.setString("district", district ?? "");
   }
 
-  List<Store> storeList;
+  List<Store>? storeList;
-  BMFCoordinate latLng;
+  BMFCoordinate? latLng;
 
   startLocation() async {
     if (!(await Permission.locationWhenInUse.serviceStatus.isEnabled)) {
@@ -120,7 +118,7 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
       requestDialog();
     } else if (await Permission.location.isGranted) {
       SmartDialog.showLoading(msg: S.of(context).zhengzaijiazai, animationDurationTemp: Duration(seconds: 1));
-      aMapFlutterLocation.startLocation();
+      aMapFlutterLocation?.startLocation();
       Future.delayed(Duration(seconds: 6), () {
         SmartDialog.dismiss();
       });
@@ -191,8 +189,8 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
             value.containsKey("city") &&
             value.containsKey("district"))
           {
-            latLng = BMFCoordinate(double.tryParse(value.getString("latitude")),
+            latLng = BMFCoordinate(double.tryParse(value.getString("latitude")!),
-                double.tryParse(value.getString("longitude"))),
+                double.tryParse(value.getString("longitude")!)),
             queryStore(
               value.getString("latitude"),
               value.getString("longitude"),
@@ -218,7 +216,7 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
       "province": "",
       "searchKey": ""
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       storeList = baseData.data;
       if (mounted) setState(() {});
     }
@@ -240,7 +238,7 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
           children: [
             Expanded(
               child: ListView.builder(
-                  itemCount: storeList != null ? storeList.length : 0,
+                  itemCount: storeList != null ? storeList!.length : 0,
                   physics: BouncingScrollPhysics(),
                   itemBuilder: (context, position) {
                     return GestureDetector(
@@ -249,7 +247,7 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
                           groupValue = position;
                         });
                       },
-                      child: buildStoreItem(storeList[position], position),
+                      child: buildStoreItem(storeList![position], position),
                     );
                   }),
             ),
@@ -259,7 +257,7 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
                   SmartDialog.showToast(S.of(context).qingxuanzeyigemendian, alignment: Alignment.center);
                   return;
                 }
-                Store store = storeList[groupValue];
+                Store store = storeList![groupValue];
                 Navigator.of(context).pop({
                   "id": store.id,
                   "address": store.address,
@@ -291,7 +289,7 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
     );
   }
 
-  Widget buildStoreItem(Store store, position) {
+  Widget buildStoreItem(Store store, int position) {
     return Container(
       margin: EdgeInsets.only(left: 16.w, right: 16.w, top: 8.h, bottom: 8.h),
       padding: EdgeInsets.all(16),
@@ -315,7 +313,7 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
                 Text(
-                  store.storeName,
+                  store.storeName!,
                   style: TextStyle(
                     fontSize: 16.sp,
                     fontWeight: FontWeight.bold,
@@ -326,7 +324,7 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
                   height: 12.h,
                 ),
                 IconText(
-                  store.address,
+                  store.address!,
                   isMax: true,
                   textAxisAlignment: CrossAxisAlignment.start,
                   textStyle: TextStyle(
@@ -359,9 +357,9 @@ class _StoreSelectorPage extends State<StoreSelectorPage> {
             value: position,
             groupValue: groupValue,
             activeColor: Colors.green,
-            onChanged: (value) {
+            onChanged: (int? value) {
               setState(() {
-                groupValue = value;
+                groupValue = value!;
               });
             },
           )

lib/order/write_off_page.dart

@@ -19,7 +19,7 @@ class WriteOffPage extends StatefulWidget {
 }
 
 class _WriteOffPage extends State<WriteOffPage> {
-  Coupon coupon;
+  Coupon? coupon;
 
   @override
   void initState() {
@@ -60,7 +60,7 @@ class _WriteOffPage extends State<WriteOffPage> {
                         child: Column(
                           children: [
                             Text(
-                              coupon != null ? coupon.couponName : "",
+                              coupon != null ? coupon!.couponName! : "",
                               style: TextStyle(
                                   fontSize: 16.sp,
                                   fontWeight: FontWeight.bold,
@@ -71,7 +71,7 @@ class _WriteOffPage extends State<WriteOffPage> {
                             ),
                             Text(
                               S.of(context).youxiaoqi(
-                                  "${coupon.useStartTime.replaceAll("-", ".").split(" ")[0]}-${coupon.useEndTime.replaceAll("-", ".").split(" ")[0]}"),
+                                  "${coupon!.useStartTime!.replaceAll("-", ".").split(" ")[0]}-${coupon!.useEndTime!.replaceAll("-", ".").split(" ")[0]}"),
                               style: TextStyle(
                                 fontSize: 12.sp,
                                 color: Color(0xFF353535),
@@ -102,11 +102,11 @@ class _WriteOffPage extends State<WriteOffPage> {
                           children: [
                             Text(
                               coupon != null
-                                  ? "${coupon.id.substring(0, 4)} "
+                                  ? "${coupon!.id!.substring(0, 4)} "
-                                      "${coupon.id.substring(4, 8)} "
+                                      "${coupon!.id!.substring(4, 8)} "
-                                      "${coupon.id.substring(8, 12)} "
+                                      "${coupon!.id!.substring(8, 12)} "
-                                      "${coupon.id.substring(12, 16)} "
+                                      "${coupon!.id!.substring(12, 16)} "
-                                      "${coupon.id.substring(16, coupon.id.length)}"
+                                      "${coupon!.id!.substring(16, coupon!.id!.length)}"
                                   : "",
                               style: TextStyle(
                                 fontSize: 14.sp,
@@ -114,12 +114,12 @@ class _WriteOffPage extends State<WriteOffPage> {
                                     ? 10
                                     : (MediaQuery.of(context).size.width -
                                             64.w) /
-                                        (((coupon.id.length) * 4)),
+                                        (((coupon!.id!.length) * 4)),
                                 letterSpacing: coupon == null
                                     ? 8
                                     : (MediaQuery.of(context).size.width -
                                             64.w) /
-                                        (((coupon.id.length) * 4)),
+                                        (((coupon!.id!.length) * 4)),
                                 fontWeight: FontWeight.bold,
                                 color: Color(0xFF353535),
                               ),
@@ -129,7 +129,7 @@ class _WriteOffPage extends State<WriteOffPage> {
                             ),
                             BarcodeWidget(
                               barcode: Barcode.code128(useCode128C: true),
-                              data: coupon != null ? coupon.id : "",
+                              data: coupon != null ? coupon!.id! : "",
                               height: 72.h,
                               color: Colors.black,
                               drawText: false,
@@ -138,7 +138,7 @@ class _WriteOffPage extends State<WriteOffPage> {
                               height: 16.h,
                             ),
                             QrImage(
-                              data: coupon != null ? coupon.id : "",
+                              data: coupon != null ? coupon!.id! : "",
                               version: QrVersions.auto,
                               size: 200.w,
                               gapless: true,

lib/retrofit/data/activity.dart

@@ -1,24 +1,24 @@
 class Activity {
   Activity();
 
-  String id;
+  String? id;
-  String createTime;
+  String? createTime;
-  dynamic createUser;
+  dynamic? createUser;
-  String updateTime;
+  String? updateTime;
-  dynamic updateUser;
+  dynamic? updateUser;
-  String storeId;
+  String? storeId;
-  String mainTitle;
+  String? mainTitle;
-  String viceTitle;
+  String? viceTitle;
-  String content;
+  String? content;
-  String coverImg;
+  String? coverImg;
-  String startTime;
+  String? startTime;
-  String endTime;
+  String? endTime;
-  int state;
+  int? state;
-  int isDelete;
+  int? isDelete;
-  int likes;
+  int? likes;
-  bool liked;
+  bool? liked;
-  int viewers;
+  int? viewers;
-  String storeName;
+  String? storeName;
 
   factory Activity.fromJson(Map<String, dynamic> json) => Activity()
     ..id = json['id']

lib/retrofit/data/address.dart

@@ -3,19 +3,19 @@
 class Address {
   Address();
 
-  String address;
+  String? address;
-  String area;
+  String? area;
-  String city;
+  String? city;
-  String cityInfo;
+  String? cityInfo;
-  String id;
+  String? id;
-  bool isDefault;
+  bool? isDefault;
-  String latitude;
+  String? latitude;
-  String longitude;
+  String? longitude;
-  String mid;
+  String? mid;
-  String phone;
+  String? phone;
-  String province;
+  String? province;
-  String tag;
+  String? tag;
-  String username;
+  String? username;
 
   factory Address.fromJson(Map<String, dynamic> json) => Address()
     ..address = json['address'] as String

lib/retrofit/data/article.dart

@@ -4,153 +4,77 @@ import 'package:huixiang/retrofit/data/author.dart';
 
 
 class Article {
-  String _id;
+  String? id;
-  String _createTime;
+  String? createTime;
-  dynamic _createUser;
+  dynamic? createUser;
-  String _updateTime;
+  String? updateTime;
-  dynamic _updateUser;
+  dynamic? updateUser;
-  String _storeId;
+  String? storeId;
-  String _mainTitle;
+  String? mainTitle;
-  dynamic _viceTitle;
+  dynamic? viceTitle;
-  String _content;
+  String? content;
-  String _coverImg;
+  String? coverImg;
-  Author _author;
+  Author? author;
-  int _type;
+  int? type;
-  String _startTime;
+  String? startTime;
-  String _endTime;
+  String? endTime;
-  int _state;
+  int? state;
-  int _isDelete;
+  int? isDelete;
-  int _likes;
+  int? likes;
-  bool _isHot;
+  bool? isHot;
-  bool _liked;
+  bool? liked;
-  int _viewers;
+  int? viewers;
-  dynamic _storeName;
+  dynamic? storeName;
 
-  String get id => _id;
+  Article();
-  String get createTime => _createTime;
-  dynamic get createUser => _createUser;
-  String get updateTime => _updateTime;
-  dynamic get updateUser => _updateUser;
-  String get storeId => _storeId;
-  String get mainTitle => _mainTitle;
-  dynamic get viceTitle => _viceTitle;
-  String get content => _content;
-  String get coverImg => _coverImg;
-  Author get author => _author;
-  int get type => _type;
-  String get startTime => _startTime;
-  String get endTime => _endTime;
-  int get state => _state;
-  int get isDelete => _isDelete;
-  int get likes => _likes;
-  bool get isHot => _isHot;
-  bool get liked => _liked;
-  int get viewers => _viewers;
-  dynamic get storeName => _storeName;
-
-  set likes(int value) {
-    _likes = value;
-  }
-
-  set liked(bool value) {
-    _liked = value;
-  }
-
-  set viewers(int value) {
-    _viewers = value;
-  }
-
-  Article({
-      String id, 
-      String createTime, 
-      dynamic createUser, 
-      String updateTime, 
-      dynamic updateUser, 
-      String storeId, 
-      String mainTitle, 
-      dynamic viceTitle, 
-      String content, 
-      String coverImg,
-    Author author,
-      int type, 
-      String startTime, 
-      String endTime, 
-      int state, 
-      int isDelete, 
-      int likes,
-      bool isHot,
-      int viewers,
-      dynamic storeName}){
-    _id = id;
-    _createTime = createTime;
-    _createUser = createUser;
-    _updateTime = updateTime;
-    _updateUser = updateUser;
-    _storeId = storeId;
-    _mainTitle = mainTitle;
-    _viceTitle = viceTitle;
-    _content = content;
-    _coverImg = coverImg;
-    _author = author;
-    _type = type;
-    _startTime = startTime;
-    _endTime = endTime;
-    _state = state;
-    _isDelete = isDelete;
-    _likes = likes;
-    _isHot = isHot;
-    _liked = liked;
-    _viewers = viewers;
-    _storeName = storeName;
-}
 
   Article.fromJson(dynamic json) {
-    _id = json["id"];
+    this.id = json["id"];
-    _createTime = json["createTime"];
+    this.createTime = json["createTime"];
-    _createUser = json["createUser"];
+    this.createUser = json["createUser"];
-    _updateTime = json["updateTime"];
+    this.updateTime = json["updateTime"];
-    _updateUser = json["updateUser"];
+    this.updateUser = json["updateUser"];
-    _storeId = json["storeId"];
+    this.storeId = json["storeId"];
-    _mainTitle = json["mainTitle"];
+    this.mainTitle = json["mainTitle"];
-    _viceTitle = json["viceTitle"];
+    this.viceTitle = json["viceTitle"];
-    _content = json["content"];
+    this.content = json["content"];
-    _coverImg = json["coverImg"];
+    this.coverImg = json["coverImg"];
-    _author = json["author"] == null ? null : Author.fromJson(jsonDecode(json["author"]));
+    this.author = json["author"] == null ? null : Author.fromJson(jsonDecode(json["author"]));
-    _type = json["type"];
+    this.type = json["type"];
-    _startTime = json["startTime"];
+    this.startTime = json["startTime"];
-    _endTime = json["endTime"];
+    this.endTime = json["endTime"];
-    _state = json["state"];
+    this.state = json["state"];
-    _isDelete = json["isDelete"];
+    this.isDelete = json["isDelete"];
-    _likes = json["likes"];
+    this.likes = json["likes"];
-    _isHot = json["isHot"];
+    this.isHot = json["isHot"];
-    _liked = json["liked"];
+    this.liked = json["liked"];
-    _viewers = json["viewers"];
+    this.viewers = json["viewers"];
-    _storeName = json["storeName"];
+    this.storeName = json["storeName"];
   }
 
   Map<String, dynamic> toJson() {
     var map = <String, dynamic>{};
-    map["id"] = _id;
+    map["id"] = this.id;
-    map["createTime"] = _createTime;
+    map["createTime"] = this.createTime;
-    map["createUser"] = _createUser;
+    map["createUser"] = this.createUser;
-    map["updateTime"] = _updateTime;
+    map["updateTime"] = this.updateTime;
-    map["updateUser"] = _updateUser;
+    map["updateUser"] = this.updateUser;
-    map["storeId"] = _storeId;
+    map["storeId"] = this.storeId;
-    map["mainTitle"] = _mainTitle;
+    map["mainTitle"] = this.mainTitle;
-    map["viceTitle"] = _viceTitle;
+    map["viceTitle"] = this.viceTitle;
-    map["content"] = _content;
+    map["content"] = this.content;
-    map["coverImg"] = _coverImg;
+    map["coverImg"] = this.coverImg;
-    map["author"] = _author.toJson();
+    map["author"] = this.author?.toJson();
-    map["type"] = _type;
+    map["type"] = this.type;
-    map["startTime"] = _startTime;
+    map["startTime"] = this.startTime;
-    map["endTime"] = _endTime;
+    map["endTime"] = this.endTime;
-    map["state"] = _state;
+    map["state"] = this.state;
-    map["isDelete"] = _isDelete;
+    map["isDelete"] = this.isDelete;
-    map["likes"] = _likes;
+    map["likes"] = this.likes;
-    map["isHot"] = _isHot;
+    map["isHot"] = this.isHot;
-    map["liked"] = _liked;
+    map["liked"] = this.liked;
-    map["viewers"] = _viewers;
+    map["viewers"] = this.viewers;
-    map["storeName"] = _storeName;
+    map["storeName"] = this.storeName;
     return map;
   }
 

lib/retrofit/data/author.dart

@@ -2,28 +2,20 @@
 /// avatar : "https://pos.upload.gznl.top/MDAwMA==/2021/06/6a3586dc-a340-470f-b645-1e3155d5f558.jpg"
 
 class Author {
-  String _name;
+  String? name;
-  String _avatar;
+  String? avatar;
 
-  String get name => _name;
+  Author();
-  String get avatar => _avatar;
-
-  Author({
-      String name, 
-      String avatar}){
-    _name = name;
-    _avatar = avatar;
-}
 
   Author.fromJson(dynamic json) {
-    _name = json["name"];
+    this.name = json["name"];
-    _avatar = json["avatar"];
+    this.avatar = json["avatar"];
   }
 
   Map<String, dynamic> toJson() {
     var map = <String, dynamic>{};
-    map["name"] = _name;
+    map["name"] = this.name;
-    map["avatar"] = _avatar;
+    map["avatar"] = this.avatar;
     return map;
   }
 

lib/retrofit/data/banner.dart

@@ -1,17 +1,17 @@
 
 class BannerData {
-  String content;
+  String? content;
-  String createTime;
+  String? createTime;
-  int contentType;
+  int? contentType;
-  String createUser;
+  String? createUser;
-  String id;
+  String? id;
-  String imgUrl;
+  String? imgUrl;
-  bool isDelete;
+  bool? isDelete;
-  String storeId;
+  String? storeId;
-  String tenantCode;
+  String? tenantCode;
-  String type;
+  String? type;
-  String updateTime;
+  String? updateTime;
-  String updateUser;
+  String? updateUser;
 
   BannerData({this.content, this.createTime, this.contentType, this.createUser, this.id, this.imgUrl, this.isDelete, this.storeId, this.tenantCode, this.type, this.updateTime, this.updateUser});
 

lib/retrofit/data/base_data.dart

@@ -9,14 +9,14 @@ part 'base_data.g.dart';
 class BaseData<T> {
   BaseData();
 
-  int code;
+  int? code;
-  T data;
+  T? data;
-  dynamic extra;
+  dynamic? extra;
-  bool isError;
+  bool? isError;
-  bool isSuccess;
+  bool? isSuccess;
-  String msg;
+  String? msg;
-  String path;
+  String? path;
-  String timestamp;
+  String? timestamp;
 
   factory BaseData.fromJson(Map<String, dynamic> json, T Function(dynamic json) fromJsonT) => _$BaseDataFromJson(json, fromJsonT);
 

lib/retrofit/data/brand.dart

@@ -7,62 +7,37 @@
 /// storeId : "0"
 
 class Brand {
-  String _name;
+  String? name;
-  String _image;
+  String? image;
-  String _video;
+  String? video;
-  String _desc;
+  String? desc;
-  String _content;
+  String? content;
-  String _icon;
+  String? icon;
-  int _sort;
+  int? sort;
-  String _storeId;
+  String? storeId;
 
-  String get name => _name;
+  Brand();
-  String get image => _image;
-  String get video => _video;
-  String get desc => _desc;
-  String get content => _content;
-  String get icon => _icon;
-  int get sort => _sort;
-  String get storeId => _storeId;
-
-  Brand({
-      String name, 
-      String image, 
-      String video, 
-      String desc, 
-      String content, 
-      int sort, 
-      String storeId}){
-    _name = name;
-    _image = image;
-    _video = video;
-    _desc = desc;
-    _content = content;
-    _icon = icon;
-    _sort = sort;
-    _storeId = storeId;
-}
 
   Brand.fromJson(dynamic json) {
-    _name = json["name"];
+    this.name = json["name"];
-    _image = json["image"];
+    this.image = json["image"];
-    _video = json["video"];
+    this.video = json["video"];
-    _desc = json["desc"];
+    this.desc = json["desc"];
-    _content = json["content"];
+    this.content = json["content"];
-    _icon = json["icon"];
+    this.icon = json["icon"];
-    _sort = json["sort"];
+    this.sort = json["sort"];
-    _storeId = json["storeId"];
+    this.storeId = json["storeId"];
   }
 
   Map<String, dynamic> toJson() {
     var map = <String, dynamic>{};
-    map["name"] = _name;
+    map["name"] = this.name;
-    map["image"] = _image;
+    map["image"] = this.image;
-    map["video"] = _video;
+    map["video"] = this.video;
-    map["desc"] = _desc;
+    map["desc"] = this.desc;
-    map["content"] = _content;
+    map["content"] = this.content;
-    map["sort"] = _sort;
+    map["sort"] = this.sort;
-    map["storeId"] = _storeId;
+    map["storeId"] = this.storeId;
     return map;
   }
 

lib/retrofit/data/brand_data.dart

@@ -5,15 +5,15 @@ class BrandData {
 
   BrandData();
 
-  List<BannerData> bannerList;
+  List<BannerData?>? bannerList;
-  String company;
+  String? company;
-  String companyDesc;
+  String? companyDesc;
-  String originAvatar;
+  String? originAvatar;
-  String originDesc;
+  String? originDesc;
-  String originator;
+  String? originator;
 
-  dynamic contents;
+  dynamic? contents;
-  dynamic ideals;
+  dynamic? ideals;
 
 
   factory BrandData.fromJson(Map<String, dynamic> json) => BrandData()
@@ -28,7 +28,7 @@ class BrandData {
     ..ideals = json['ideals'];
 
   Map<String, dynamic> toJson() => <String, dynamic>{
-    'bannerList': this.bannerList.map((e) => e.toJson()).toList(),
+    'bannerList': this.bannerList?.map((e) => e?.toJson()).toList(),
     'company': this.company,
     'companyDesc': this.companyDesc,
     'originAvatar': this.originAvatar,

lib/retrofit/data/coupon.dart

@@ -3,35 +3,33 @@ import 'package:huixiang/retrofit/data/store.dart';
 class Coupon {
   Coupon();
 
-  Coupon.test(this.couponName, this.status, this.isEx);
+  String? id;
-
+  String? createTime;
-  String id;
+  String? createUser;
-  String createTime;
+  String? updateTime;
-  String createUser;
+  String? updateUser;
-  String updateTime;
+  int? bizType;
-  String updateUser;
+  String? fullAmount;
-  int bizType;
+  String? discountAmount;
-  String fullAmount;
+  int? discountPercent;
-  String discountAmount;
+  String? bizId;
-  int discountPercent;
+  String? publishStartTime;
-  String bizId;
+  String? publishEndTime;
-  String publishStartTime;
+  String? useStartTime;
-  String publishEndTime;
+  String? useEndTime;
-  String useStartTime;
+  String? promotionId;
-  String useEndTime;
+  bool? centreDisplay;
-  String promotionId;
+  String? tenantCode;
-  bool centreDisplay;
+  int? isDelete;
-  String tenantCode;
+  String? couponName;
-  int isDelete;
+  String? couponImg;
-  String couponName;
+  String? couponDescription;
-  String couponImg;
+  String? memberCouponId;
-  String couponDescription;
+  String? receiveTime;
-  String memberCouponId;
+  dynamic? useTime;
-  String receiveTime;
+  int? status;
-  dynamic useTime;
+  List<Store?>? storeList;
-  int status;
+  bool? isEx = false;
-  List<Store> storeList;
-  bool isEx = false;
 
   factory Coupon.fromJson(Map<String, dynamic> json) => Coupon()
     ..id = json['id'] as String
@@ -89,6 +87,6 @@ class Coupon {
         'receiveTime': this.receiveTime,
         'useTime': this.useTime,
         'status': this.status,
-        'storeList': this.storeList.map((e) => e.toJson()).toList()
+        'storeList': this.storeList?.map((e) => e?.toJson()).toList()
       };
 }

lib/retrofit/data/coupon_vo.dart

@@ -1,31 +1,31 @@
 
 class CouponVo {
-  String bizId;
+  String? bizId;
-  num bizType;
+  num? bizType;
-  bool centreDisplay;
+  bool? centreDisplay;
-  String couponDescription;
+  String? couponDescription;
-  String couponImg;
+  String? couponImg;
-  String couponName;
+  String? couponName;
-  String createTime;
+  String? createTime;
-  String createUser;
+  String? createUser;
-  String discountAmount;
+  String? discountAmount;
-  num discountPercent;
+  num? discountPercent;
-  String fullAmount;
+  String? fullAmount;
-  String id;
+  String? id;
-  num isDelete;
+  num? isDelete;
-  String memberCouponId;
+  String? memberCouponId;
-  String promotionId;
+  String? promotionId;
-  String publishEndTime;
+  String? publishEndTime;
-  String publishStartTime;
+  String? publishStartTime;
-  String receiveTime;
+  String? receiveTime;
-  bool received;
+  bool? received;
-  num status;
+  num? status;
-  String tenantCode;
+  String? tenantCode;
-  String updateTime;
+  String? updateTime;
-  String updateUser;
+  String? updateUser;
-  String useEndTime;
+  String? useEndTime;
-  String useStartTime;
+  String? useStartTime;
-  String useTime;
+  String? useTime;
 
   CouponVo({this.bizId, this.bizType, this.centreDisplay, this.couponDescription, this.couponImg, this.couponName, this.createTime, this.createUser, this.discountAmount, this.discountPercent, this.fullAmount, this.id, this.isDelete, this.memberCouponId, this.promotionId, this.publishEndTime, this.publishStartTime, this.receiveTime, this.received, this.status, this.tenantCode, this.updateTime, this.updateUser, this.useEndTime, this.useStartTime, this.useTime});
 

lib/retrofit/data/data_type.dart

@@ -2,8 +2,8 @@
 class DataType {
   DataType();
 
-  String desc;
+  String? desc;
-  String code;
+  String? code;
 
   factory DataType.fromJson(Map<String, dynamic> json) => DataType()
     ..desc = json['desc'] as String

lib/retrofit/data/delivery_info.dart

@@ -1,24 +1,23 @@
 
 class DeliveryInfo {
-  bool dadaRegStatus;
+  bool? dadaRegStatus;
-  String dadaSourceId;
+  String? dadaSourceId;
-  bool dadaStatus;
+  bool? dadaStatus;
-  bool dianwodaRegStatus;
+  bool? dianwodaRegStatus;
-  bool dianwodaStatus;
+  bool? dianwodaStatus;
-  bool meituanRegStatus;
+  bool? meituanRegStatus;
-  bool meituanStatus;
+  bool? meituanStatus;
 
-  DeliveryInfo({this.dadaRegStatus, this.dadaSourceId, this.dadaStatus, this.dianwodaRegStatus, this.dianwodaStatus, this.meituanRegStatus, this.meituanStatus});
+  DeliveryInfo();
 
-  factory DeliveryInfo.fromJson(Map<String, dynamic> json) => DeliveryInfo(
+  factory DeliveryInfo.fromJson(Map<String, dynamic> json) => DeliveryInfo()
-    dadaRegStatus: json['dadaRegStatus'] as bool,
+    ..dadaRegStatus= json['dadaRegStatus'] as bool
-    dadaSourceId: json['dadaSourceId'] as String,
+  ..dadaSourceId= json['dadaSourceId'] as String
-    dadaStatus: json['dadaStatus'] as bool,
+  ..dadaStatus= json['dadaStatus'] as bool
-    dianwodaRegStatus: json['dianwodaRegStatus'] as bool,
+  ..dianwodaRegStatus= json['dianwodaRegStatus'] as bool
-    dianwodaStatus: json['dianwodaStatus'] as bool,
+  ..dianwodaStatus= json['dianwodaStatus'] as bool
-    meituanRegStatus: json['meituanRegStatus'] as bool,
+  ..meituanRegStatus= json['meituanRegStatus'] as bool
-    meituanStatus: json['meituanStatus'] as bool,
+  ..meituanStatus= json['meituanStatus'] as bool;
-  );
 
   Map<String, dynamic> toJson() => <String, dynamic>{
     'dadaRegStatus': this.dadaRegStatus,

lib/retrofit/data/exchange_order.dart

@@ -3,20 +3,20 @@ import 'package:huixiang/retrofit/data/exchange_order_goods.dart';
 class ExchangeOrder {
   ExchangeOrder();
 
-  String id;
+  String? id;
-  String createTime;
+  String? createTime;
-  String createUser;
+  String? createUser;
-  String updateTime;
+  String? updateTime;
-  String updateUser;
+  String? updateUser;
-  String storeId;
+  String? storeId;
-  String mid;
+  String? mid;
-  String orderCode;
+  String? orderCode;
-  String amount;
+  String? amount;
-  String address;
+  String? address;
-  int state;
+  int? state;
-  int useTyped;
+  int? useTyped;
-  int isDelete;
+  int? isDelete;
-  List<ExchangeOrderGoods> creditOrderDetailList;
+  List<ExchangeOrderGoods?>? creditOrderDetailList;
 
   factory ExchangeOrder.fromJson(Map<String, dynamic> json) => ExchangeOrder()
     ..id = json['id'] as String
@@ -52,6 +52,6 @@ class ExchangeOrder {
         'state': this.state,
         'useTyped': this.useTyped,
         'isDelete': this.isDelete,
-        'creditOrderDetailList': this.creditOrderDetailList.map((e) => e.toJson()).toList(),
+        'creditOrderDetailList': this.creditOrderDetailList?.map((e) => e?.toJson()).toList(),
       };
 }

lib/retrofit/data/exchange_order_goods.dart

@@ -2,25 +2,25 @@
 class ExchangeOrderGoods {
   ExchangeOrderGoods();
 
-  String id;
+  String? id;
-  String createTime;
+  String? createTime;
-  String createUser;
+  String? createUser;
-  String updateTime;
+  String? updateTime;
-  String updateUser;
+  String? updateUser;
-  String orderId;
+  String? orderId;
-  String goodsId;
+  String? goodsId;
-  String categoryId;
+  String? categoryId;
-  String name;
+  String? name;
-  String description;
+  String? description;
-  String worth;
+  String? worth;
-  String price;
+  String? price;
-  String couponId;
+  String? couponId;
-  bool canPick;
+  bool? canPick;
-  bool canDelivery;
+  bool? canDelivery;
-  String goodsMainImg;
+  String? goodsMainImg;
-  String goodsViceImg;
+  String? goodsViceImg;
-  int goodsNumber;
+  int? goodsNumber;
-  int isDelete;
+  int? isDelete;
 
   factory ExchangeOrderGoods.fromJson(Map<String, dynamic> json) =>
       ExchangeOrderGoods()

lib/retrofit/data/founder.dart

@@ -5,46 +5,29 @@
 /// profile : "<p><img class=\"wscnph\" src=\"https://pos.upload.gznl.top/MDAwMA==/2021/07/bdc0705d-7aa0-4677-a282-81d1b8a56e4b.png\" /></p>"
 
 class Founder {
-  String _name;
+  String? name;
-  String _position;
+  String? position;
-  String _description;
+  String? description;
-  String _imgUrl;
+  String? imgUrl;
-  String _profile;
+  String? profile;
 
-  String get name => _name;
+  Founder();
-  String get position => _position;
-  String get description => _description;
-  String get imgUrl => _imgUrl;
-  String get profile => _profile;
-
-  Founder({
-      String name, 
-      String position, 
-      String description, 
-      String imgUrl, 
-      String profile}){
-    _name = name;
-    _position = position;
-    _description = description;
-    _imgUrl = imgUrl;
-    _profile = profile;
-}
 
   Founder.fromJson(dynamic json) {
-    _name = json["name"];
+    this.name = json["name"];
-    _position = json["position"];
+    this.position = json["position"];
-    _description = json["description"];
+    this.description = json["description"];
-    _imgUrl = json["imgUrl"];
+    this.imgUrl = json["imgUrl"];
-    _profile = json["profile"];
+    this.profile = json["profile"];
   }
 
   Map<String, dynamic> toJson() {
     var map = <String, dynamic>{};
-    map["name"] = _name;
+    map["name"] = this.name;
-    map["position"] = _position;
+    map["position"] = this.position;
-    map["description"] = _description;
+    map["description"] = this.description;
-    map["imgUrl"] = _imgUrl;
+    map["imgUrl"] = this.imgUrl;
-    map["profile"] = _profile;
+    map["profile"] = this.profile;
     return map;
   }
 

lib/retrofit/data/goods.dart

@@ -1,153 +1,82 @@
 
 class Goods {
-  String _id;
+  String? id;
-  String _createTime;
+  String? createTime;
-  String _createUser;
+  String? createUser;
-  String _updateTime;
+  String? updateTime;
-  String _updateUser;
+  String? updateUser;
-  String _categoryId;
+  String? categoryId;
-  String _storeId;
+  String? storeId;
-  String _name;
+  String? name;
-  String _description;
+  String? description;
-  String _worth;
+  String? worth;
-  String _price;
+  String? price;
-  String _detail;
+  String? detail;
-  int _stock;
+  int? stock;
-  int _sales;
+  int? sales;
-  bool _isHot;
+  bool? isHot;
-  int _sortOrder;
+  int? sortOrder;
-  int _state;
+  int? state;
-  bool _canPick;
+  bool? canPick;
-  bool _canDelivery;
+  bool? canDelivery;
-  int _isDelete;
+  int? isDelete;
-  dynamic _categoryName;
+  dynamic? categoryName;
-  String _mainImgPath;
+  String? mainImgPath;
-  List<String> _viceImgPaths;
+  List<String>? viceImgPaths;
 
-  String get id => _id;
+  Goods();
-  String get createTime => _createTime;
-  String get createUser => _createUser;
-  String get updateTime => _updateTime;
-  String get updateUser => _updateUser;
-  String get categoryId => _categoryId;
-  String get storeId => _storeId;
-  String get name => _name;
-  String get description => _description;
-  String get worth => _worth;
-  String get price => _price;
-  String get detail => _detail;
-  int get stock => _stock;
-  int get sales => _sales;
-  bool get isHot => _isHot;
-  int get sortOrder => _sortOrder;
-  int get state => _state;
-  bool get canPick => _canPick;
-  bool get canDelivery => _canDelivery;
-  int get isDelete => _isDelete;
-  dynamic get categoryName => _categoryName;
-  String get mainImgPath => _mainImgPath;
-  List<String> get viceImgPaths => _viceImgPaths;
-
-  Goods({
-      String id, 
-      String createTime, 
-      String createUser, 
-      String updateTime, 
-      String updateUser, 
-      String categoryId, 
-      String storeId, 
-      String name, 
-      String description, 
-      String worth, 
-      String price, 
-      String detail,
-      int stock,
-      int sales, 
-      bool isHot, 
-      int sortOrder, 
-      int state, 
-      bool canPick, 
-      bool canDelivery, 
-      int isDelete, 
-      dynamic categoryName, 
-      String mainImgPath, 
-      List<String> viceImgPaths}){
-    _id = id;
-    _createTime = createTime;
-    _createUser = createUser;
-    _updateTime = updateTime;
-    _updateUser = updateUser;
-    _categoryId = categoryId;
-    _storeId = storeId;
-    _name = name;
-    _description = description;
-    _worth = worth;
-    _price = price;
-    _detail = detail;
-    _stock = stock;
-    _sales = sales;
-    _isHot = isHot;
-    _sortOrder = sortOrder;
-    _state = state;
-    _canPick = canPick;
-    _canDelivery = canDelivery;
-    _isDelete = isDelete;
-    _categoryName = categoryName;
-    _mainImgPath = mainImgPath;
-    _viceImgPaths = viceImgPaths;
-}
 
   Goods.fromJson(dynamic json) {
-    _id = json["id"];
+    this.id = json["id"];
-    _createTime = json["createTime"];
+    this.createTime = json["createTime"];
-    _createUser = json["createUser"];
+    this.createUser = json["createUser"];
-    _updateTime = json["updateTime"];
+    this.updateTime = json["updateTime"];
-    _updateUser = json["updateUser"];
+    this.updateUser = json["updateUser"];
-    _categoryId = json["categoryId"];
+    this.categoryId = json["categoryId"];
-    _storeId = json["storeId"];
+    this.storeId = json["storeId"];
-    _name = json["name"];
+    this.name = json["name"];
-    _description = json["description"];
+    this.description = json["description"];
-    _worth = json["worth"];
+    this.worth = json["worth"];
-    _price = json["price"];
+    this.price = json["price"];
-    _detail = json["detail"];
+    this.detail = json["detail"];
-    _stock = json["stock"];
+    this.stock = json["stock"];
-    _sales = json["sales"];
+    this.sales = json["sales"];
-    _isHot = json["isHot"];
+    this.isHot = json["isHot"];
-    _sortOrder = json["sortOrder"];
+    this.sortOrder = json["sortOrder"];
-    _state = json["state"];
+    this.state = json["state"];
-    _canPick = json["canPick"];
+    this.canPick = json["canPick"];
-    _canDelivery = json["canDelivery"];
+    this.canDelivery = json["canDelivery"];
-    _isDelete = json["isDelete"];
+    this.isDelete = json["isDelete"];
-    _categoryName = json["categoryName"];
+    this.categoryName = json["categoryName"];
-    _mainImgPath = json["mainImgPath"];
+    this.mainImgPath = json["mainImgPath"];
-    _viceImgPaths = json["viceImgPaths"] != null ? json["viceImgPaths"].cast<String>() : [];
+    this.viceImgPaths = json["viceImgPaths"] != null ? json["viceImgPaths"].cast<String>() : [];
   }
 
   Map<String, dynamic> toJson() {
     var map = <String, dynamic>{};
-    map["id"] = _id;
+    map["id"] = this.id;
-    map["createTime"] = _createTime;
+    map["createTime"] = this.createTime;
-    map["createUser"] = _createUser;
+    map["createUser"] = this.createUser;
-    map["updateTime"] = _updateTime;
+    map["updateTime"] = this.updateTime;
-    map["updateUser"] = _updateUser;
+    map["updateUser"] = this.updateUser;
-    map["categoryId"] = _categoryId;
+    map["categoryId"] = this.categoryId;
-    map["storeId"] = _storeId;
+    map["storeId"] = this.storeId;
-    map["name"] = _name;
+    map["name"] = this.name;
-    map["description"] = _description;
+    map["description"] = this.description;
-    map["worth"] = _worth;
+    map["worth"] = this.worth;
-    map["price"] = _price;
+    map["price"] = this.price;
-    map["detail"] = _detail;
+    map["detail"] = this.detail;
-    map["stock"] = _stock;
+    map["stock"] = this.stock;
-    map["sales"] = _sales;
+    map["sales"] = this.sales;
-    map["isHot"] = _isHot;
+    map["isHot"] = this.isHot;
-    map["sortOrder"] = _sortOrder;
+    map["sortOrder"] = this.sortOrder;
-    map["state"] = _state;
+    map["state"] = this.state;
-    map["canPick"] = _canPick;
+    map["canPick"] = this.canPick;
-    map["canDelivery"] = _canDelivery;
+    map["canDelivery"] = this.canDelivery;
-    map["isDelete"] = _isDelete;
+    map["isDelete"] = this.isDelete;
-    map["categoryName"] = _categoryName;
+    map["categoryName"] = this.categoryName;
-    map["mainImgPath"] = _mainImgPath;
+    map["mainImgPath"] = this.mainImgPath;
-    map["viceImgPaths"] = _viceImgPaths;
+    map["viceImgPaths"] = this.viceImgPaths;
     return map;
   }
 

lib/retrofit/data/goods_category.dart

@@ -10,76 +10,44 @@
 /// isDelete : 0
 
 class GoodsCategory {
-  String _id;
+  String? id;
-  String _createTime;
+  String? createTime;
-  String _createUser;
+  String? createUser;
-  String _updateTime;
+  String? updateTime;
-  String _updateUser;
+  String? updateUser;
-  String _parentId;
+  String? parentId;
-  String _name;
+  String? name;
-  int _miniShow;
+  int? miniShow;
-  int _sortOrder;
+  int? sortOrder;
-  int _isDelete;
+  int? isDelete;
 
-  String get id => _id;
+  GoodsCategory({name});
-  String get createTime => _createTime;
-  String get createUser => _createUser;
-  String get updateTime => _updateTime;
-  String get updateUser => _updateUser;
-  String get parentId => _parentId;
-  String get name => _name;
-  int get miniShow => _miniShow;
-  int get sortOrder => _sortOrder;
-  int get isDelete => _isDelete;
-
-  GoodsCategory({
-      String id, 
-      String createTime, 
-      String createUser, 
-      String updateTime, 
-      String updateUser, 
-      String parentId, 
-      String name, 
-      int miniShow, 
-      int sortOrder, 
-      int isDelete}){
-    _id = id;
-    _createTime = createTime;
-    _createUser = createUser;
-    _updateTime = updateTime;
-    _updateUser = updateUser;
-    _parentId = parentId;
-    _name = name;
-    _miniShow = miniShow;
-    _sortOrder = sortOrder;
-    _isDelete = isDelete;
-}
 
   GoodsCategory.fromJson(dynamic json) {
-    _id = json["id"];
+    this.id = json["id"];
-    _createTime = json["createTime"];
+    this.createTime = json["createTime"];
-    _createUser = json["createUser"];
+    this.createUser = json["createUser"];
-    _updateTime = json["updateTime"];
+    this.updateTime = json["updateTime"];
-    _updateUser = json["updateUser"];
+    this.updateUser = json["updateUser"];
-    _parentId = json["parentId"];
+    this.parentId = json["parentId"];
-    _name = json["name"];
+    this.name = json["name"];
-    _miniShow = json["miniShow"];
+    this.miniShow = json["miniShow"];
-    _sortOrder = json["sortOrder"];
+    this.sortOrder = json["sortOrder"];
-    _isDelete = json["isDelete"];
+    this.isDelete = json["isDelete"];
   }
 
   Map<String, dynamic> toJson() {
     var map = <String, dynamic>{};
-    map["id"] = _id;
+    map["id"] = this.id;
-    map["createTime"] = _createTime;
+    map["createTime"] = this.createTime;
-    map["createUser"] = _createUser;
+    map["createUser"] = this.createUser;
-    map["updateTime"] = _updateTime;
+    map["updateTime"] = this.updateTime;
-    map["updateUser"] = _updateUser;
+    map["updateUser"] = this.updateUser;
-    map["parentId"] = _parentId;
+    map["parentId"] = this.parentId;
-    map["name"] = _name;
+    map["name"] = this.name;
-    map["miniShow"] = _miniShow;
+    map["miniShow"] = this.miniShow;
-    map["sortOrder"] = _sortOrder;
+    map["sortOrder"] = this.sortOrder;
-    map["isDelete"] = _isDelete;
+    map["isDelete"] = this.isDelete;
     return map;
   }
 

lib/retrofit/data/logistics.dart

@@ -5,21 +5,21 @@
 /// traces : [{"acceptStation":"","acceptTime":""}]
 
 class Logistics {
-  String logisticCode;
+  String? logisticCode;
-  String shipperCode;
+  String? shipperCode;
-  int state;
+  int? state;
-  bool success;
+  bool? success;
-  List<TracesBean> traces;
+  List<TracesBean?>? traces;
 
-  static Logistics fromJson(Map<String, dynamic> map) {
+  static Logistics? fromJson(Map<String, dynamic>? map) {
     if (map == null) return null;
     Logistics logisticsBean = Logistics();
     logisticsBean.logisticCode = map['logisticCode'];
     logisticsBean.shipperCode = map['shipperCode'];
     logisticsBean.state = map['state'];
     logisticsBean.success = map['success'];
-    logisticsBean.traces = List()..addAll(
+    logisticsBean.traces = []..addAll(
-      (map['traces'] as List ?? []).map((o) => TracesBean.fromMap(o))
+      (map['traces'] as List).map((o) => TracesBean.fromMap(o))
     );
     return logisticsBean;
   }
@@ -37,10 +37,10 @@ class Logistics {
 /// acceptTime : ""
 
 class TracesBean {
-  String acceptStation;
+  String? acceptStation;
-  String acceptTime;
+  String? acceptTime;
 
-  static TracesBean fromMap(Map<String, dynamic> map) {
+  static TracesBean? fromMap(Map<String, dynamic>? map) {
     if (map == null) return null;
     TracesBean tracesBean = TracesBean();
     tracesBean.acceptStation = map['acceptStation'];

lib/retrofit/data/member_comment_list.dart

@@ -1,47 +1,28 @@
 
-/// content : ""
-/// createTime : ""
-/// createUser : "0"
-/// hidden : true
-/// id : "0"
-/// isDelete : 0
-/// likes : 0
-/// mid : "0"
-/// parentContent : ""
-/// parentId : "0"
-/// parentMid : "0"
-/// parentUserAvatarUrl : ""
-/// parentUserName : ""
-/// relationalId : "0"
-/// relationalType : 0
-/// updateTime : ""
-/// updateUser : "0"
-/// userAvatarUrl : ""
-/// username : ""
-
 class MemberCommentList {
-  String content;
+  String? content;
-  String createTime;
+  String? createTime;
-  String createUser;
+  String? createUser;
-  bool hidden;
+  bool? hidden;
-  String id;
+  String? id;
-  int isDelete;
+  int? isDelete;
-  int likes;
+  int? likes;
-  String mid;
+  String? mid;
-  String parentContent;
+  String? parentContent;
-  String parentId;
+  String? parentId;
-  String parentMid;
+  String? parentMid;
-  String parentUserAvatarUrl;
+  String? parentUserAvatarUrl;
-  String parentUserName;
+  String? parentUserName;
-  String relationalId;
+  String? relationalId;
-  int relationalType;
+  int? relationalType;
-  String updateTime;
+  String? updateTime;
-  String updateUser;
+  String? updateUser;
-  String userAvatarUrl;
+  String? userAvatarUrl;
-  String username;
+  String? username;
-  bool liked;
+  bool? liked;
+
 
-  static MemberCommentList fromJson(Map<String, dynamic> map) {
+  static MemberCommentList? fromJson(Map<String, dynamic>? map) {
     if (map == null) return null;
     MemberCommentList listBean = MemberCommentList();
     listBean.content = map['content'];

lib/retrofit/data/member_rank.dart

@@ -2,15 +2,15 @@
 class MemberRank {
   MemberRank();
 
-  String id;
+  String? id;
-  String nextId;
+  String? nextId;
-  String nextName;
+  String? nextName;
-  int nextOrigin;
+  int? nextOrigin;
-  String rankContent;
+  String? rankContent;
-  String rankImg;
+  String? rankImg;
-  String rankName;
+  String? rankName;
-  int rankOrigin;
+  int? rankOrigin;
-  bool status;
+  bool? status;
 
   factory MemberRank.fromJson(Map<String, dynamic> json) => MemberRank()
     ..id = json['id'] as String

lib/retrofit/data/member_source.dart

@@ -26,172 +26,92 @@
 /// vipRegStore : null
 
 class MemberSource {
-  String _id;
+  String? id;
-  String _createTime;
+  String? createTime;
-  String _createUser;
+  String? createUser;
-  String _updateTime;
+  String? updateTime;
-  String _updateUser;
+  String? updateUser;
-  String _mid;
+  String? mid;
-  String _openid;
+  String? openid;
-  String _nickname;
+  String? nickname;
-  String _headimg;
+  String? headimg;
-  String _balance;
+  String? balance;
-  String _realRecharge;
+  String? realRecharge;
-  String _sex;
+  String? sex;
-  bool _status;
+  bool? status;
-  bool _onCredit;
+  bool? onCredit;
-  String _loginTime;
+  String? loginTime;
-  int _loginNum;
+  int? loginNum;
-  String _tenantCode;
+  String? tenantCode;
-  int _source;
+  int? source;
-  String _expendAmount;
+  String? expendAmount;
-  int _buyTimes;
+  int? buyTimes;
-  String _lastBuyTime;
+  String? lastBuyTime;
-  dynamic _vipNo;
+  dynamic? vipNo;
-  dynamic _expireTime;
+  dynamic? expireTime;
-  int _integral;
+  int? integral;
-  int _level;
+  int? level;
-  dynamic _vipRegStore;
+  dynamic? vipRegStore;
 
-  String get id => _id;
+  MemberSource();
-  String get createTime => _createTime;
-  String get createUser => _createUser;
-  String get updateTime => _updateTime;
-  String get updateUser => _updateUser;
-  String get mid => _mid;
-  String get openid => _openid;
-  String get nickname => _nickname;
-  String get headimg => _headimg;
-  String get balance => _balance;
-  String get realRecharge => _realRecharge;
-  String get sex => _sex;
-  bool get status => _status;
-  bool get onCredit => _onCredit;
-  String get loginTime => _loginTime;
-  int get loginNum => _loginNum;
-  String get tenantCode => _tenantCode;
-  int get source => _source;
-  String get expendAmount => _expendAmount;
-  int get buyTimes => _buyTimes;
-  String get lastBuyTime => _lastBuyTime;
-  dynamic get vipNo => _vipNo;
-  dynamic get expireTime => _expireTime;
-  int get integral => _integral;
-  int get level => _level;
-  dynamic get vipRegStore => _vipRegStore;
-
-  MemberSource({
-      String id, 
-      String createTime, 
-      String createUser, 
-      String updateTime, 
-      String updateUser, 
-      String mid, 
-      String openid, 
-      String nickname, 
-      String headimg, 
-      String balance, 
-      String realRecharge, 
-      String sex, 
-      bool status, 
-      bool onCredit, 
-      String loginTime, 
-      int loginNum, 
-      String tenantCode, 
-      int source, 
-      String expendAmount, 
-      int buyTimes, 
-      String lastBuyTime, 
-      dynamic vipNo, 
-      dynamic expireTime, 
-      int integral, 
-      int level, 
-      dynamic vipRegStore}){
-    _id = id;
-    _createTime = createTime;
-    _createUser = createUser;
-    _updateTime = updateTime;
-    _updateUser = updateUser;
-    _mid = mid;
-    _openid = openid;
-    _nickname = nickname;
-    _headimg = headimg;
-    _balance = balance;
-    _realRecharge = realRecharge;
-    _sex = sex;
-    _status = status;
-    _onCredit = onCredit;
-    _loginTime = loginTime;
-    _loginNum = loginNum;
-    _tenantCode = tenantCode;
-    _source = source;
-    _expendAmount = expendAmount;
-    _buyTimes = buyTimes;
-    _lastBuyTime = lastBuyTime;
-    _vipNo = vipNo;
-    _expireTime = expireTime;
-    _integral = integral;
-    _level = level;
-    _vipRegStore = vipRegStore;
-}
 
   MemberSource.fromJson(dynamic json) {
-    _id = json["id"];
+    this.id = json["id"];
-    _createTime = json["createTime"];
+    this.createTime = json["createTime"];
-    _createUser = json["createUser"];
+    this.createUser = json["createUser"];
-    _updateTime = json["updateTime"];
+    this.updateTime = json["updateTime"];
-    _updateUser = json["updateUser"];
+    this.updateUser = json["updateUser"];
-    _mid = json["mid"];
+    this.mid = json["mid"];
-    _openid = json["openid"];
+    this.openid = json["openid"];
-    _nickname = json["nickname"];
+    this.nickname = json["nickname"];
-    _headimg = json["headimg"];
+    this.headimg = json["headimg"];
-    _balance = json["balance"];
+    this.balance = json["balance"];
-    _realRecharge = json["realRecharge"];
+    this.realRecharge = json["realRecharge"];
-    _sex = json["sex"];
+    this.sex = json["sex"];
-    _status = json["status"];
+    this.status = json["status"];
-    _onCredit = json["onCredit"];
+    this.onCredit = json["onCredit"];
-    _loginTime = json["loginTime"];
+    this.loginTime = json["loginTime"];
-    _loginNum = json["loginNum"];
+    this.loginNum = json["loginNum"];
-    _tenantCode = json["tenantCode"];
+    this.tenantCode = json["tenantCode"];
-    _source = json["source"];
+    this.source = json["source"];
-    _expendAmount = json["expendAmount"];
+    this.expendAmount = json["expendAmount"];
-    _buyTimes = json["buyTimes"];
+    this.buyTimes = json["buyTimes"];
-    _lastBuyTime = json["lastBuyTime"];
+    this.lastBuyTime = json["lastBuyTime"];
-    _vipNo = json["vip_no"];
+    this.vipNo = json["vipthis.no"];
-    _expireTime = json["expireTime"];
+    this.expireTime = json["expireTime"];
-    _integral = json["integral"];
+    this.integral = json["integral"];
-    _level = json["level"];
+    this.level = json["level"];
-    _vipRegStore = json["vipRegStore"];
+    this.vipRegStore = json["vipRegStore"];
   }
 
   Map<String, dynamic> toJson() {
     var map = <String, dynamic>{};
-    map["id"] = _id;
+    map["id"] = this.id;
-    map["createTime"] = _createTime;
+    map["createTime"] = this.createTime;
-    map["createUser"] = _createUser;
+    map["createUser"] = this.createUser;
-    map["updateTime"] = _updateTime;
+    map["updateTime"] = this.updateTime;
-    map["updateUser"] = _updateUser;
+    map["updateUser"] = this.updateUser;
-    map["mid"] = _mid;
+    map["mid"] = this.mid;
-    map["openid"] = _openid;
+    map["openid"] = this.openid;
-    map["nickname"] = _nickname;
+    map["nickname"] = this.nickname;
-    map["headimg"] = _headimg;
+    map["headimg"] = this.headimg;
-    map["balance"] = _balance;
+    map["balance"] = this.balance;
-    map["realRecharge"] = _realRecharge;
+    map["realRecharge"] = this.realRecharge;
-    map["sex"] = _sex;
+    map["sex"] = this.sex;
-    map["status"] = _status;
+    map["status"] = this.status;
-    map["onCredit"] = _onCredit;
+    map["onCredit"] = this.onCredit;
-    map["loginTime"] = _loginTime;
+    map["loginTime"] = this.loginTime;
-    map["loginNum"] = _loginNum;
+    map["loginNum"] = this.loginNum;
-    map["tenantCode"] = _tenantCode;
+    map["tenantCode"] = this.tenantCode;
-    map["source"] = _source;
+    map["source"] = this.source;
-    map["expendAmount"] = _expendAmount;
+    map["expendAmount"] = this.expendAmount;
-    map["buyTimes"] = _buyTimes;
+    map["buyTimes"] = this.buyTimes;
-    map["lastBuyTime"] = _lastBuyTime;
+    map["lastBuyTime"] = this.lastBuyTime;
-    map["vip_no"] = _vipNo;
+    map["vip_no"] = this.vipNo;
-    map["expireTime"] = _expireTime;
+    map["expireTime"] = this.expireTime;
-    map["integral"] = _integral;
+    map["integral"] = this.integral;
-    map["level"] = _level;
+    map["level"] = this.level;
-    map["vipRegStore"] = _vipRegStore;
+    map["vipRegStore"] = this.vipRegStore;
     return map;
   }
 

lib/retrofit/data/message.dart

@@ -13,88 +13,51 @@
 
 class Message {
 
-  String _id;
+  String? id;
-  String _createTime;
+  String? createTime;
-  String _createUser;
+  String? createUser;
-  String _updateTime;
+  String? updateTime;
-  String _updateUser;
+  String? updateUser;
-  String _mid;
+  String? mid;
-  String _title;
+  String? title;
-  String _content;
+  String? content;
-  int _typed;
+  int? typed;
-  String _relational;
+  String? relational;
-  int _state;
+  int? state;
-  int _isDelete;
+  int? isDelete;
 
-  String get id => _id;
-  String get createTime => _createTime;
-  String get createUser => _createUser;
-  String get updateTime => _updateTime;
-  String get updateUser => _updateUser;
-  String get mid => _mid;
-  String get title => _title;
-  String get content => _content;
-  int get typed => _typed;
-  String get relational => _relational;
-  int get state => _state;
-  int get isDelete => _isDelete;
 
-  Message({
+  Message();
-      String id, 
-      String createTime, 
-      String createUser, 
-      String updateTime, 
-      String updateUser, 
-      String mid, 
-      String title, 
-      String content, 
-      int typed, 
-      String relational, 
-      int state, 
-      int isDelete}){
-    _id = id;
-    _createTime = createTime;
-    _createUser = createUser;
-    _updateTime = updateTime;
-    _updateUser = updateUser;
-    _mid = mid;
-    _title = title;
-    _content = content;
-    _typed = typed;
-    _relational = relational;
-    _state = state;
-    _isDelete = isDelete;
-}
 
   Message.fromJson(dynamic json) {
-    _id = json["id"];
+    this.id = json["id"];
-    _createTime = json["createTime"];
+    this.createTime = json["createTime"];
-    _createUser = json["createUser"];
+    this.createUser = json["createUser"];
-    _updateTime = json["updateTime"];
+    this.updateTime = json["updateTime"];
-    _updateUser = json["updateUser"];
+    this.updateUser = json["updateUser"];
-    _mid = json["mid"];
+    this.mid = json["mid"];
-    _title = json["title"];
+    this.title = json["title"];
-    _content = json["content"];
+    this.content = json["content"];
-    _typed = json["typed"];
+    this.typed = json["typed"];
-    _relational = json["relational"];
+    this.relational = json["relational"];
-    _state = json["state"];
+    this.state = json["state"];
-    _isDelete = json["isDelete"];
+    this.isDelete = json["isDelete"];
   }
 
   Map<String, dynamic> toJson() {
     var map = <String, dynamic>{};
-    map["id"] = _id;
+    map["id"] = this.id;
-    map["createTime"] = _createTime;
+    map["createTime"] = this.createTime;
-    map["createUser"] = _createUser;
+    map["createUser"] = this.createUser;
-    map["updateTime"] = _updateTime;
+    map["updateTime"] = this.updateTime;
-    map["updateUser"] = _updateUser;
+    map["updateUser"] = this.updateUser;
-    map["mid"] = _mid;
+    map["mid"] = this.mid;
-    map["title"] = _title;
+    map["title"] = this.title;
-    map["content"] = _content;
+    map["content"] = this.content;
-    map["typed"] = _typed;
+    map["typed"] = this.typed;
-    map["relational"] = _relational;
+    map["relational"] = this.relational;
-    map["state"] = _state;
+    map["state"] = this.state;
-    map["isDelete"] = _isDelete;
+    map["isDelete"] = this.isDelete;
     return map;
   }
 

lib/retrofit/data/mini.dart

@@ -3,34 +3,23 @@
 /// miniAppId : "wx7eeaa89de16f3180"
 
 class Mini {
-  String _miniDownloadUrl;
+  String? miniDownloadUrl;
-  String _miniVersion;
+  String? miniVersion;
-  String _miniAppId;
+  String? miniAppId;
 
-  String get miniDownloadUrl => _miniDownloadUrl;
+  Mini();
-  String get miniVersion => _miniVersion;
-  String get miniAppId => _miniAppId;
-
-  Mini({
-      String miniDownloadUrl, 
-      String miniVersion, 
-      String miniAppId}){
-    _miniDownloadUrl = miniDownloadUrl;
-    _miniVersion = miniVersion;
-    _miniAppId = miniAppId;
-}
 
   Mini.fromJson(dynamic json) {
-    _miniDownloadUrl = json["miniDownloadUrl"];
+    this.miniDownloadUrl = json["miniDownloadUrl"];
-    _miniVersion = json["miniVersion"];
+    this.miniVersion = json["miniVersion"];
-    _miniAppId = json["miniAppId"];
+    this.miniAppId = json["miniAppId"];
   }
 
   Map<String, dynamic> toJson() {
     var map = <String, dynamic>{};
-    map["miniDownloadUrl"] = _miniDownloadUrl;
+    map["miniDownloadUrl"] = this.miniDownloadUrl;
-    map["miniVersion"] = _miniVersion;
+    map["miniVersion"] = this.miniVersion;
-    map["miniAppId"] = _miniAppId;
+    map["miniAppId"] = this.miniAppId;
     return map;
   }
 

lib/retrofit/data/page.dart

@@ -11,16 +11,16 @@ part 'page.g.dart';
 class PageInfo<D> {
   PageInfo();
 
-  int pageNum;
+  int? pageNum;
   dynamic current;
-  int pageSize;
+  int? pageSize;
   dynamic size;
   dynamic pages;
-  bool hasPreviousPage;
+  bool? hasPreviousPage;
-  bool hasNextPage;
+  bool? hasNextPage;
-  String total;
+  String? total;
-  List<D> list;
+  List<D?>? list;
-  List<D> records;
+  List<D?>? records;
 
   factory PageInfo.fromJson(Map<String, dynamic> json, D Function(dynamic d) fromJsonD) => _$PageInfoFromJson(json, fromJsonD);
 

lib/retrofit/data/promotion.dart

@@ -1,25 +1,25 @@
 
 class Promotion {
-  String activityEndTime;
+  String? activityEndTime;
-  String activityStartTime;
+  String? activityStartTime;
-  String applyEndTime;
+  String? applyEndTime;
-  String applyStartTime;
+  String? applyStartTime;
-  String createTime;
+  String? createTime;
-  String createUser;
+  String? createUser;
-  String description;
+  String? description;
-  String id;
+  String? id;
-  String image;
+  String? image;
-  num isDelete;
+  num? isDelete;
-  num isNeedSecurityDeposit;
+  num? isNeedSecurityDeposit;
-  String name;
+  String? name;
-  List<PromotionDetailBean> promotionDetail;
+  List<PromotionDetailBean?>? promotionDetail;
-  num promotionPlan;
+  num? promotionPlan;
-  num promotionType;
+  num? promotionType;
-  String securityDeposit;
+  String? securityDeposit;
-  num status;
+  num? status;
-  String tag;
+  String? tag;
-  String updateTime;
+  String? updateTime;
-  String updateUser;
+  String? updateUser;
 
   Promotion({this.activityEndTime, this.activityStartTime, this.applyEndTime, this.applyStartTime, this.createTime, this.createUser, this.description, this.id, this.image, this.isDelete, this.isNeedSecurityDeposit, this.name, this.promotionDetail, this.promotionPlan, this.promotionType, this.securityDeposit, this.status, this.tag, this.updateTime, this.updateUser});
 

lib/retrofit/data/rank.dart

@@ -10,76 +10,44 @@
 /// updateUser : 0
 
 class Rank {
-  String _createTime;
+  String? createTime;
-  String _createUser;
+  String? createUser;
-  String _id;
+  String? id;
-  String _rankContent;
+  String? rankContent;
-  String _rankImg;
+  String? rankImg;
-  String _rankName;
+  String? rankName;
-  int _rankOrigin;
+  int? rankOrigin;
-  bool _status;
+  bool? status;
-  String _updateTime;
+  String? updateTime;
-  String _updateUser;
+  String? updateUser;
 
-  String get createTime => _createTime;
+  Rank();
-  String get createUser => _createUser;
-  String get id => _id;
-  String get rankContent => _rankContent;
-  String get rankImg => _rankImg;
-  String get rankName => _rankName;
-  int get rankOrigin => _rankOrigin;
-  bool get status => _status;
-  String get updateTime => _updateTime;
-  String get updateUser => _updateUser;
-
-  Rank({
-      String createTime,
-    String createUser,
-    String id,
-      String rankContent, 
-      String rankImg, 
-      String rankName, 
-      int rankOrigin, 
-      bool status, 
-      String updateTime,
-    String updateUser}){
-    _createTime = createTime;
-    _createUser = createUser;
-    _id = id;
-    _rankContent = rankContent;
-    _rankImg = rankImg;
-    _rankName = rankName;
-    _rankOrigin = rankOrigin;
-    _status = status;
-    _updateTime = updateTime;
-    _updateUser = updateUser;
-}
 
   Rank.fromJson(dynamic json) {
-    _createTime = json["createTime"];
+    this.createTime = json["createTime"];
-    _createUser = json["createUser"];
+    this.createUser = json["createUser"];
-    _id = json["id"];
+    this.id = json["id"];
-    _rankContent = json["rankContent"];
+    this.rankContent = json["rankContent"];
-    _rankImg = json["rankImg"];
+    this.rankImg = json["rankImg"];
-    _rankName = json["rankName"];
+    this.rankName = json["rankName"];
-    _rankOrigin = json["rankOrigin"];
+    this.rankOrigin = json["rankOrigin"];
-    _status = json["status"];
+    this.status = json["status"];
-    _updateTime = json["updateTime"];
+    this.updateTime = json["updateTime"];
-    _updateUser = json["updateUser"];
+    this.updateUser = json["updateUser"];
   }
 
   Map<String, dynamic> toJson() {
     var map = <String, dynamic>{};
-    map["createTime"] = _createTime;
+    map["createTime"] = this.createTime;
-    map["createUser"] = _createUser;
+    map["createUser"] = this.createUser;
-    map["id"] = _id;
+    map["id"] = this.id;
-    map["rankContent"] = _rankContent;
+    map["rankContent"] = this.rankContent;
-    map["rankImg"] = _rankImg;
+    map["rankImg"] = this.rankImg;
-    map["rankName"] = _rankName;
+    map["rankName"] = this.rankName;
-    map["rankOrigin"] = _rankOrigin;
+    map["rankOrigin"] = this.rankOrigin;
-    map["status"] = _status;
+    map["status"] = this.status;
-    map["updateTime"] = _updateTime;
+    map["updateTime"] = this.updateTime;
-    map["updateUser"] = _updateUser;
+    map["updateUser"] = this.updateUser;
     return map;
   }
 

lib/retrofit/data/sign_in.dart

@@ -1,22 +1,22 @@
 
 class SignIn {
   SignIn();
-  String balance;
+  String? balance;
-  String category;
+  String? category;
-  String createTime;
+  String? createTime;
-  String createUser;
+  String? createUser;
-  String id;
+  String? id;
-  bool isDeleted;
+  bool? isDeleted;
-  String linkId;
+  String? linkId;
-  String mark;
+  String? mark;
-  String mid;
+  String? mid;
-  String number;
+  String? number;
-  int pm;
+  int? pm;
-  bool status;
+  bool? status;
-  String title;
+  String? title;
-  String type;
+  String? type;
-  String updateTime;
+  String? updateTime;
-  String updateUser;
+  String? updateUser;
 
   factory SignIn.fromJson(Map<String, dynamic> json) => SignIn()
     ..balance = json['balance'] as String

lib/retrofit/data/sign_info.dart

@@ -4,12 +4,12 @@ import 'package:huixiang/retrofit/data/task.dart';
 
 class SignInfo {
   SignInfo();
-  String point;
+  String? point;
-  bool todayHasSignin;
+  bool? todayHasSignin;
-  MemberRank rank;
+  MemberRank? rank;
-  List<SignIn> signInList;
+  List<SignIn?>? signInList;
-  List<Task> taskList;
+  List<Task?>? taskList;
-  List<int> rewardList;
+  List<int?>? rewardList;
 
   factory SignInfo.fromJson(Map<String, dynamic> json) => SignInfo()
     ..point = json['point'] as String

lib/retrofit/data/store.dart

@@ -6,38 +6,38 @@ import 'package:huixiang/retrofit/data/store_type.dart';
 class Store {
   Store();
 
-  String id;
+  String? id;
-  String createTime;
+  String? createTime;
-  String createUser;
+  String? createUser;
-  String updateTime;
+  String? updateTime;
-  String updateUser;
+  String? updateUser;
-  String tenantCode;
+  String? tenantCode;
-  bool useErp;
+  bool? useErp;
-  String openStartTime;
+  String? openStartTime;
-  String openEndTime;
+  String? openEndTime;
-  String perCapitaConsumption;
+  String? perCapitaConsumption;
-  String storeName;
+  String? storeName;
-  double distance;
+  double? distance;
-  String logo;
+  String? logo;
-  String shipAddress;
+  String? shipAddress;
   dynamic remark;
-  String mobile;
+  String? mobile;
-  String longitude;
+  String? longitude;
-  String latitude;
+  String? latitude;
   dynamic refundAddress;
   dynamic refundTel;
   dynamic refundContact;
-  int isAutoSendRefundAddress;
+  int? isAutoSendRefundAddress;
-  String province;
+  String? province;
-  String city;
+  String? city;
-  String district;
+  String? district;
-  String address;
+  String? address;
-  String headName;
+  String? headName;
-  String headMobile;
+  String? headMobile;
-  CouponVo couponVO;
+  CouponVo? couponVO;
   dynamic deliveryInfo;
-  String businessType;
+  String? businessType;
-  StoreType posType;
+  StoreType? posType;
 
   factory Store.fromJson(Map<String, dynamic> json) => Store()
     ..id = json['id'] as String
@@ -106,7 +106,7 @@ class Store {
     'headMobile': this.headMobile,
     'deliveryInfo': this.deliveryInfo,
     'businessType': this.businessType,
-    'couponVO': this.couponVO.toJson(),
+    'couponVO': this.couponVO != null ? this.couponVO!.toJson() : null,
     'posType': this.posType,
   };
 

lib/retrofit/data/store_info.dart

@@ -8,45 +8,45 @@ import 'package:huixiang/retrofit/data/store_type.dart';
 import 'package:huixiang/retrofit/data/mini.dart';
 
 class StoreInfo {
-  String address;
+  String? address;
-  List<BannerData> bannerList;
+  List<BannerData?>? bannerList;
-  String city;
+  String? city;
-  List<CouponVo> couponVOList;
+  List<CouponVo?>? couponVOList;
-  String createTime;
+  String? createTime;
-  String createUser;
+  String? createUser;
-  DeliveryInfo deliveryInfo;
+  DeliveryInfo? deliveryInfo;
-  String district;
+  String? district;
-  String headMobile;
+  String? headMobile;
-  String headName;
+  String? headName;
-  String id;
+  String? id;
-  num isAutoSendRefundAddress;
+  num? isAutoSendRefundAddress;
-  String latitude;
+  String? latitude;
-  String logo;
+  String? logo;
-  bool isVip;
+  bool? isVip;
-  String longitude;
+  String? longitude;
-  String mobile;
+  String? mobile;
-  String openEndTime;
+  String? openEndTime;
-  String openStartTime;
+  String? openStartTime;
-  String perCapitaConsumption;
+  String? perCapitaConsumption;
-  StoreType posType;
+  StoreType? posType;
-  List<Promotion> promotionList;
+  List<Promotion?>? promotionList;
-  String province;
+  String? province;
-  String refundAddress;
+  String? refundAddress;
-  String refundContact;
+  String? refundContact;
-  String refundTel;
+  String? refundTel;
-  String remark;
+  String? remark;
-  String shipAddress;
+  String? shipAddress;
-  String storeName;
+  String? storeName;
-  String tenantCode;
+  String? tenantCode;
-  String updateTime;
+  String? updateTime;
-  String updateUser;
+  String? updateUser;
-  String businessService;
+  String? businessService;
-  Mini mini;
+  Mini? mini;
-  bool useErp;
+  bool? useErp;
-  String expireTime;
+  String? expireTime;
-  String vipFee;
+  String? vipFee;
-  MemberSource memberSource;
+  MemberSource? memberSource;
-  PageInfo informationVOPageVO;
+  PageInfo? informationVOPageVO;
   StoreInfo();
 
   factory StoreInfo.fromJson(Map<String, dynamic> json) => StoreInfo()
@@ -107,12 +107,12 @@ class StoreInfo {
 
   Map<String, dynamic> toJson() => <String, dynamic>{
     'address': this.address,
-    'bannerList': this.bannerList.map((e) => e.toJson()).toList(),
+    'bannerList': this.bannerList == null ? null : this.bannerList!.map((e) => e?.toJson()).toList(),
     'city': this.city,
     'couponVOList': this.couponVOList,
     'createTime': this.createTime,
     'createUser': this.createUser,
-    'deliveryInfo': this.deliveryInfo.toJson(),
+    'deliveryInfo': this.deliveryInfo != null ? this.deliveryInfo!.toJson() : null,
     'district': this.district,
     'headMobile': this.headMobile,
     'headName': this.headName,
@@ -126,8 +126,8 @@ class StoreInfo {
     'openEndTime': this.openEndTime,
     'openStartTime': this.openStartTime,
     'perCapitaConsumption': this.perCapitaConsumption,
-    'posType': this.posType.toJson(),
+    'posType': this.posType != null ? this.posType!.toJson() : null,
-    'promotionList': this.promotionList.map((e) => e.toJson()).toList(),
+    'promotionList': this.promotionList != null ? this.promotionList!.map((e) => e?.toJson()).toList() : null,
     'province': this.province,
     'refundAddress': this.refundAddress,
     'refundContact': this.refundContact,
@@ -139,11 +139,11 @@ class StoreInfo {
     'updateTime': this.updateTime,
     'updateUser': this.updateUser,
     'businessService': this.businessService,
-    'mini': this.mini.toJson(),
+    'mini': this.mini != null ? this.mini!.toJson() : "",
     'useErp': this.useErp,
     'expireTime': this.expireTime,
     'vipFee': this.vipFee,
-    'memberSource': this.memberSource.toJson(),
+    'memberSource': this.memberSource != null ? this.memberSource!.toJson() : null,
     'informationVOPageVO': this.informationVOPageVO,
   };
 

lib/retrofit/data/store_type.dart

@@ -2,8 +2,8 @@
 class StoreType {
   StoreType();
 
-  String desc;
+  String? desc;
-  String code;
+  String? code;
 
   factory StoreType.fromJson(Map<String, dynamic> json) => StoreType()
     ..desc = json['desc'] as String

lib/retrofit/data/task.dart

@@ -1,20 +1,20 @@
 
 class Task {
   Task();
-  String aspects;
+  String? aspects;
-  int complateNum;
+  int? complateNum;
-  int conplateNum;
+  int? conplateNum;
-  String createTime;
+  String? createTime;
-  String createUser;
+  String? createUser;
-  String id;
+  String? id;
-  int limitDay;
+  int? limitDay;
-  String name;
+  String? name;
-  int rewardType;
+  int? rewardType;
-  String rewardValue;
+  String? rewardValue;
-  bool status;
+  bool? status;
-  String type;
+  String? type;
-  String updateTime;
+  String? updateTime;
-  String updateUser;
+  String? updateUser;
 
   factory Task.fromJson(Map<String, dynamic> json) => Task()
     ..aspects = json['aspects'] as String

lib/retrofit/data/upload_result.dart

@@ -2,31 +2,31 @@ import 'package:huixiang/retrofit/data/data_type.dart';
 
 class UploadResult {
   UploadResult();
-  String id;
+  String? id;
-  String createTime;
+  String? createTime;
-  String createUser;
+  String? createUser;
-  String updateTime;
+  String? updateTime;
-  String updateUser;
+  String? updateUser;
-  DataType dataType;
+  DataType? dataType;
-  String submittedFileName;
+  String? submittedFileName;
-  String treePath;
+  String? treePath;
-  int grade;
+  int? grade;
-  bool isDelete;
+  bool? isDelete;
-  String folderId;
+  String? folderId;
-  String url;
+  String? url;
-  String size;
+  String? size;
-  String folderName;
+  String? folderName;
   dynamic group;
-  String path;
+  String? path;
-  String relativePath;
+  String? relativePath;
   dynamic fileMd5;
-  String contextType;
+  String? contextType;
-  String filename;
+  String? filename;
-  String ext;
+  String? ext;
-  String icon;
+  String? icon;
-  String createMonth;
+  String? createMonth;
-  String createWeek;
+  String? createWeek;
-  String createDay;
+  String? createDay;
 
   factory UploadResult.fromJson(Map<String, dynamic> json) => UploadResult()
     ..id = json['id'] as String
@@ -62,7 +62,7 @@ class UploadResult {
     'createUser': this.createUser,
     'updateTime': this.updateTime,
     'updateUser': this.updateUser,
-    'dataType': this.dataType.toJson(),
+    'dataType': this.dataType == null ? "" : this.dataType!.toJson(),
     'submittedFileName': this.submittedFileName,
     'treePath': this.treePath,
     'grade': this.grade,

lib/retrofit/data/user_bill.dart

@@ -17,118 +17,65 @@
 /// name : "签到"
 
 class UserBill {
-  String _id;
-  String _createTime;
-  String _createUser;
-  String _updateTime;
-  String _updateUser;
-  String _mid;
-  String _linkId;
-  int _pm;
-  String _title;
-  String _category;
-  String _type;
-  String _number;
-  String _balance;
-  String _mark;
-  bool _status;
-  bool _isDeleted;
-  String _name;
 
-  String get id => _id;
+  String? id;
-  String get createTime => _createTime;
+  String? createTime;
-  String get createUser => _createUser;
+  String? createUser;
-  String get updateTime => _updateTime;
+  String? updateTime;
-  String get updateUser => _updateUser;
+  String? updateUser;
-  String get mid => _mid;
+  String? mid;
-  String get linkId => _linkId;
+  String? linkId;
-  int get pm => _pm;
+  int pm = 0;
-  String get title => _title;
+  String? title;
-  String get category => _category;
+  String? category;
-  String get type => _type;
+  String? type;
-  String get number => _number;
+  String? number;
-  String get balance => _balance;
+  String? balance;
-  String get mark => _mark;
+  String? mark;
-  bool get status => _status;
+  bool? status;
-  bool get isDeleted => _isDeleted;
+  bool? isDeleted;
-  String get name => _name;
+  String? name;
 
-  UserBill({
-      String id, 
-      String createTime, 
-      String createUser, 
-      String updateTime, 
-      String updateUser, 
-      String mid, 
-      String linkId, 
-      int pm, 
-      String title, 
-      String category, 
-      String type, 
-      String number, 
-      String balance, 
-      String mark, 
-      bool status, 
-      bool isDeleted, 
-      String name}){
-    _id = id;
-    _createTime = createTime;
-    _createUser = createUser;
-    _updateTime = updateTime;
-    _updateUser = updateUser;
-    _mid = mid;
-    _linkId = linkId;
-    _pm = pm;
-    _title = title;
-    _category = category;
-    _type = type;
-    _number = number;
-    _balance = balance;
-    _mark = mark;
-    _status = status;
-    _isDeleted = isDeleted;
-    _name = name;
-}
 
   UserBill.fromJson(dynamic json) {
-    _id = json["id"];
+    id = json["id"];
-    _createTime = json["createTime"];
+    createTime = json["createTime"];
-    _createUser = json["createUser"];
+    createUser = json["createUser"];
-    _updateTime = json["updateTime"];
+    updateTime = json["updateTime"];
-    _updateUser = json["updateUser"];
+    updateUser = json["updateUser"];
-    _mid = json["mid"];
+    mid = json["mid"];
-    _linkId = json["linkId"];
+    linkId = json["linkId"];
-    _pm = json["pm"];
+    pm = json["pm"];
-    _title = json["title"];
+    title = json["title"];
-    _category = json["category"];
+    category = json["category"];
-    _type = json["type"];
+    type = json["type"];
-    _number = json["number"];
+    number = json["number"];
-    _balance = json["balance"];
+    balance = json["balance"];
-    _mark = json["mark"];
+    mark = json["mark"];
-    _status = json["status"];
+    status = json["status"];
-    _isDeleted = json["isDeleted"];
+    isDeleted = json["isDeleted"];
-    _name = json["name"];
+    name = json["name"];
   }
 
   Map<String, dynamic> toJson() {
     var map = <String, dynamic>{};
-    map["id"] = _id;
+    map["id"] = id;
-    map["createTime"] = _createTime;
+    map["createTime"] = createTime;
-    map["createUser"] = _createUser;
+    map["createUser"] = createUser;
-    map["updateTime"] = _updateTime;
+    map["updateTime"] = updateTime;
-    map["updateUser"] = _updateUser;
+    map["updateUser"] = updateUser;
-    map["mid"] = _mid;
+    map["mid"] = mid;
-    map["linkId"] = _linkId;
+    map["linkId"] = linkId;
-    map["pm"] = _pm;
+    map["pm"] = pm;
-    map["title"] = _title;
+    map["title"] = title;
-    map["category"] = _category;
+    map["category"] = category;
-    map["type"] = _type;
+    map["type"] = type;
-    map["number"] = _number;
+    map["number"] = number;
-    map["balance"] = _balance;
+    map["balance"] = balance;
-    map["mark"] = _mark;
+    map["mark"] = mark;
-    map["status"] = _status;
+    map["status"] = status;
-    map["isDeleted"] = _isDeleted;
+    map["isDeleted"] = isDeleted;
-    map["name"] = _name;
+    map["name"] = name;
     return map;
   }
 

lib/retrofit/data/user_entity.dart

@@ -2,18 +2,18 @@
 class UserEntity {
   UserEntity();
 
-  String account;
+  String? account;
-  String avatar;
+  String? avatar;
-  String expiration;
+  String? expiration;
-  String expire;
+  String? expire;
-  String mobile;
+  String? mobile;
-  String name;
+  String? name;
-  String refreshToken;
+  String? refreshToken;
-  String token;
+  String? token;
-  String tokenType;
+  String? tokenType;
-  String userId;
+  String? userId;
-  String userType;
+  String? userType;
-  String workDescribe;
+  String? workDescribe;
 
 
   factory UserEntity.fromJson(Map<String, dynamic> json) => UserEntity()

lib/retrofit/data/user_info.dart

@@ -19,22 +19,22 @@ import 'package:huixiang/retrofit/data/member_rank.dart';
 class UserInfo {
   UserInfo();
 
-  String vipNo;
+  String? vipNo;
-  String nickname;
+  String? nickname;
-  String headimg;
+  String? headimg;
-  bool userType;
+  bool? userType;
-  String sex;
+  String? sex;
-  int level;
+  int? level;
-  String addressId;
+  String? addressId;
-  String remark;
+  String? remark;
-  String phone;
+  String? phone;
-  String createTime;
+  String? createTime;
-  String birth;
+  String? birth;
   dynamic balance;
-  String money;
+  String? money;
-  String points;
+  String? points;
-  bool isBind;
+  bool? isBind;
-  MemberRank memberRankVo;
+  MemberRank? memberRankVo;
 
   factory UserInfo.fromJson(Map<String, dynamic> json) =>
       UserInfo()
@@ -73,6 +73,6 @@ class UserInfo {
     'money': this.money,
     'points': this.points,
     'isBind': this.isBind,
-    'memberRankVo': this.memberRankVo == null ? "" : this.memberRankVo.toJson(),
+    'memberRankVo': this.memberRankVo == null ? "" : this.memberRankVo!.toJson(),
   };
 }

lib/retrofit/data/verify_code.dart

@@ -1,14 +1,14 @@
 
 class VerifyCode {
   VerifyCode();
-  int code;
+  int? code;
-  Map<String, dynamic> data;
+  Map<String, dynamic>? data;
-  BaseDataExtra extra;
+  BaseDataExtra? extra;
-  bool isError;
+  bool? isError;
-  bool isSuccess;
+  bool? isSuccess;
-  String msg;
+  String? msg;
-  String path;
+  String? path;
-  String timestamp;
+  String? timestamp;
 
   factory VerifyCode.fromJson(Map<String, dynamic> json) => VerifyCode()
     ..code = json['code'] as int

lib/retrofit/data/vip_card.dart

@@ -1,66 +1,36 @@
 
-/// id : "1393457755217461248"
-/// createTime : "2021-05-15 14:46:33"
-/// createUser : null
-/// updateTime : "2021-05-15 14:46:33"
-/// updateUser : "1393457755217461248"
-/// mid : "1394132265126068224"
-/// openid : "o3DjK5P66kDzkeW3biAx1LQSMLn4"
-/// nickname : "斯基仔"
-/// headimg : "https://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83erTf2Lbo2ztbicMtreEdr7xtrnvtTL5Qr31cicZVoKicdN3EEej13sRMLxLlq3qHThI4V8Pmau5Rps8A/132"
-/// balance : "0.00"
-/// realRecharge : "0.00"
-/// sex : "0"
-/// status : true
-/// onCredit : false
-/// loginTime : "2021-05-20 13:48:03"
-/// loginNum : 9
-/// tenantCode : "1180"
-/// source : 1
-/// expendAmount : "0.00"
-/// buyTimes : 0
-/// lastBuyTime : null
-/// vip_no : null
-/// expireTime : null
-/// integral : 0
-/// level : 1
-/// vipRegStore : null
-/// tenantName : "稻田里的书店"
-/// tenantLogo : ""
-/// storeList : [{"id":"1381798825072525312","createTime":"2021-04-13 10:38:07","createUser":"1","updateTime":"2021-06-12 21:20:22","updateUser":"1381798824988639232","tenantCode":"1\nI/flutter ( 6658): 180","useErp":false,"openStartTime":"09:30:00","openEndTime":"18:30:00","storeName":"稻田里的书店","nickName":"","logo":"https://pos.upload.gznl.top/1180/2021/07/574aaeff-df3c-451a-b34f-67f9b3552427.png","shipAddress":"上海市崇明区东风农场东风公路833弄1-22号C2-C3","remark":"","mobile":"13554204268","longitude":"121.4789730000","latitude":"31.7092220000","refundAddress":null,"refundTel":null,"refundContact":null,"isAutoSendRefundAddress":1,"province":"上海市","city":"上海市","district":"崇明区","address":"上海市崇明区稻田里的书店咖啡茶饮区东平镇东风公路833号东风农场C2","headName":"","headMobile":"18672789329","businessService":"WIFI,免费停车","businessType":"书","deliveryInfo":null,"miniParam":null,"is_delete":0,"posType":{"desc":"快消餐饮","code":"FASTSTORE"}}]
-
 class VipCard {
-  String id;
+  String? id;
-  String createTime;
+  String? createTime;
   dynamic createUser;
-  String updateTime;
+  String? updateTime;
-  String updateUser;
+  String? updateUser;
-  String mid;
+  String? mid;
-  String openid;
+  String? openid;
-  String nickname;
+  String? nickname;
-  String headimg;
+  String? headimg;
-  String balance;
+  String? balance;
-  String realRecharge;
+  String? realRecharge;
-  String sex;
+  String? sex;
-  bool status;
+  bool? status;
-  bool onCredit;
+  bool? onCredit;
-  String loginTime;
+  String? loginTime;
-  int loginNum;
+  int? loginNum;
-  String tenantCode;
+  String? tenantCode;
-  int source;
+  int? source;
-  String expendAmount;
+  String? expendAmount;
-  int buyTimes;
+  int? buyTimes;
   dynamic lastBuyTime;
   dynamic vipNo;
   dynamic expireTime;
-  int integral;
+  int integral = 0;
-  int level;
+  int level = 0;
   dynamic vipRegStore;
-  String tenantName;
+  String? tenantName;
-  String tenantLogo;
+  String? tenantLogo;
-  List<StoreListBean> storeList;
+  List<StoreListBean?>? storeList;
 
-  static VipCard fromJson(Map<String, dynamic> map) {
+  static VipCard? fromJson(Map<String, dynamic>? map) {
     if (map == null) return null;
     VipCard vipCardBean = VipCard();
     vipCardBean.id = map['id'];
@@ -91,8 +61,8 @@ class VipCard {
     vipCardBean.vipRegStore = map['vipRegStore'];
     vipCardBean.tenantName = map['tenantName'];
     vipCardBean.tenantLogo = map['tenantLogo'];
-    vipCardBean.storeList = List()..addAll(
+    vipCardBean.storeList = []..addAll(
-      (map['storeList'] as List ?? []).map((o) => StoreListBean.fromMap(o))
+      (map['storeList'] as List).map((o) => StoreListBean.fromMap(o))
     );
     return vipCardBean;
   }
@@ -130,77 +100,43 @@ class VipCard {
   };
 }
 
-/// id : "1381798825072525312"
-/// createTime : "2021-04-13 10:38:07"
-/// createUser : "1"
-/// updateTime : "2021-06-12 21:20:22"
-/// updateUser : "1381798824988639232"
-/// tenantCode : "1\nI/flutter ( 6658): 180"
-/// useErp : false
-/// openStartTime : "09:30:00"
-/// openEndTime : "18:30:00"
-/// storeName : "稻田里的书店"
-/// nickName : ""
-/// logo : "https://pos.upload.gznl.top/1180/2021/07/574aaeff-df3c-451a-b34f-67f9b3552427.png"
-/// shipAddress : "上海市崇明区东风农场东风公路833弄1-22号C2-C3"
-/// remark : ""
-/// mobile : "13554204268"
-/// longitude : "121.4789730000"
-/// latitude : "31.7092220000"
-/// refundAddress : null
-/// refundTel : null
-/// refundContact : null
-/// isAutoSendRefundAddress : 1
-/// province : "上海市"
-/// city : "上海市"
-/// district : "崇明区"
-/// address : "上海市崇明区稻田里的书店咖啡茶饮区东平镇东风公路833号东风农场C2"
-/// headName : ""
-/// headMobile : "18672789329"
-/// businessService : "WIFI,免费停车"
-/// businessType : "书"
-/// deliveryInfo : null
-/// miniParam : null
-/// is_delete : 0
-/// posType : {"desc":"快消餐饮","code":"FASTSTORE"}
-
 class StoreListBean {
-  String id;
+  String? id;
-  String createTime;
+  String? createTime;
-  String createUser;
+  String? createUser;
-  String updateTime;
+  String? updateTime;
-  String updateUser;
+  String? updateUser;
-  String tenantCode;
+  String? tenantCode;
-  bool useErp;
+  bool? useErp;
-  String openStartTime;
+  String? openStartTime;
-  String openEndTime;
+  String? openEndTime;
-  String storeName;
+  String? storeName;
-  String nickName;
+  String? nickName;
-  String logo;
+  String? logo;
-  String shipAddress;
+  String? shipAddress;
-  String remark;
+  String? remark;
-  String mobile;
+  String? mobile;
-  String longitude;
+  String? longitude;
-  String latitude;
+  String? latitude;
   dynamic refundAddress;
   dynamic refundTel;
   dynamic refundContact;
-  int isAutoSendRefundAddress;
+  int? isAutoSendRefundAddress;
-  String province;
+  String? province;
-  String city;
+  String? city;
-  String district;
+  String? district;
-  String address;
+  String? address;
-  String headName;
+  String? headName;
-  String headMobile;
+  String? headMobile;
-  String businessService;
+  String? businessService;
-  String businessType;
+  String? businessType;
   dynamic deliveryInfo;
   dynamic miniParam;
   dynamic distance;
-  int isDelete;
+  int? isDelete;
-  PosTypeBean posType;
+  PosTypeBean? posType;
 
-  static StoreListBean fromMap(Map<String, dynamic> map) {
+  static StoreListBean? fromMap(Map<String?, dynamic>? map) {
     if (map == null) return null;
     StoreListBean storeListBean = StoreListBean();
     storeListBean.id = map['id'];
@@ -283,10 +219,10 @@ class StoreListBean {
 /// desc : ""
 
 class PosTypeBean {
-  String code;
+  String? code;
-  String desc;
+  String? desc;
 
-  static PosTypeBean fromMap(Map<String, dynamic> map) {
+  static PosTypeBean? fromMap(Map<String, dynamic>? map) {
     if (map == null) return null;
     PosTypeBean posTypeBean = PosTypeBean();
     posTypeBean.code = map['code'];

lib/retrofit/data/wx_pay.dart

@@ -7,58 +7,34 @@
 /// timeStamp : ""
 
 class WxPay {
-  String _appId;
-  String _nonceStr;
-  String _packageValue;
-  String _partnerId;
-  String _prepayId;
-  String _sign;
-  String _timeStamp;
 
-  String get appId => _appId;
+  String? appId;
-  String get nonceStr => _nonceStr;
+  String? nonceStr;
-  String get packageValue => _packageValue;
+  String? packageValue;
-  String get partnerId => _partnerId;
+  String? partnerId;
-  String get prepayId => _prepayId;
+  String? prepayId;
-  String get sign => _sign;
+  String? sign;
-  String get timeStamp => _timeStamp;
+  String? timeStamp;
-
-  WxPay({
-      String appId, 
-      String nonceStr, 
-      String packageValue, 
-      String partnerId, 
-      String prepayId, 
-      String sign, 
-      String timeStamp}){
-    _appId = appId;
-    _nonceStr = nonceStr;
-    _packageValue = packageValue;
-    _partnerId = partnerId;
-    _prepayId = prepayId;
-    _sign = sign;
-    _timeStamp = timeStamp;
-}
 
   WxPay.fromJson(dynamic json) {
-    _appId = json["appId"];
+    this.appId = json["appId"];
-    _nonceStr = json["nonceStr"];
+    this.nonceStr = json["nonceStr"];
-    _packageValue = json["packageValue"];
+    this.packageValue = json["packageValue"];
-    _partnerId = json["partnerId"];
+    this.partnerId = json["partnerId"];
-    _prepayId = json["prepayId"];
+    this.prepayId = json["prepayId"];
-    _sign = json["sign"];
+    this.sign = json["sign"];
-    _timeStamp = json["timeStamp"];
+    this.timeStamp = json["timeStamp"];
   }
 
   Map<String, dynamic> toJson() {
     var map = <String, dynamic>{};
-    map["appId"] = _appId;
+    map["appId"] = this.appId;
-    map["nonceStr"] = _nonceStr;
+    map["nonceStr"] = this.nonceStr;
-    map["packageValue"] = _packageValue;
+    map["packageValue"] = this.packageValue;
-    map["partnerId"] = _partnerId;
+    map["partnerId"] = this.partnerId;
-    map["prepayId"] = _prepayId;
+    map["prepayId"] = this.prepayId;
-    map["sign"] = _sign;
+    map["sign"] = this.sign;
-    map["timeStamp"] = _timeStamp;
+    map["timeStamp"] = this.timeStamp;
     return map;
   }
 

lib/retrofit/retrofit_api.dart

@@ -18,7 +18,6 @@ import 'package:shared_preferences/shared_preferences.dart';
 
 import 'data/address.dart';
 import 'data/banner.dart';
-import 'data/brand.dart';
 import 'data/brand_data.dart';
 import 'data/exchange_order.dart';
 import 'data/goods.dart';
@@ -30,10 +29,8 @@ import 'data/page.dart';
 import 'data/rank.dart';
 import 'data/sign_info.dart';
 import 'data/store.dart';
-import 'data/store_info.dart';
 import 'data/upload_result.dart';
 import 'data/user_bill.dart';
-import 'data/user_entity.dart';
 import 'data/user_info.dart';
 import 'data/vip_card.dart';
 import 'data/wx_pay.dart';
@@ -51,9 +48,9 @@ const baseUrl = "https://pos.platform.lotus-wallet.com/app/"; ///正式
 @RestApi(baseUrl: baseUrl)
 abstract class ApiService {
   factory ApiService(Dio dio,
-      {String baseUrl,
+      {String? baseUrl,
-      BuildContext context,
+      BuildContext? context,
-      String token,
+      String? token,
       bool showLoading = true,
       bool pay = false}) {
     Map<String, dynamic> headers =
@@ -90,7 +87,7 @@ abstract class ApiService {
         debugPrint("code = ${response.statusCode}");
         p(jsonEncode(response.data));
         Map map = response.data;
-        if (map["code"] == 40005 || map["code"] == 40001) {
+        if ((map["code"] == 40005 || map["code"] == 40001) && context != null) {
           SmartDialog.show(
             widget: LoginTips(
               click: () {
@@ -102,7 +99,7 @@ abstract class ApiService {
                   value.setString("mobile", "");
                   value.setString("nick", "");
                 });
-                Navigator.of(context).pushNamed('/router/login_page',
+                Navigator.of(context!).pushNamed('/router/login_page',
                     arguments: {"login": "login"});
               },
             ),
@@ -127,7 +124,7 @@ abstract class ApiService {
     if (kReleaseMode) {
       baseUrl = base_url;
     }
-    return _ApiService(dio, baseUrl: baseUrl);
+    return _ApiService(dio, baseUrl: baseUrl ?? "");
   }
 
   static showDialog(context) async {

lib/setting/permission_setting_page.dart

@@ -75,7 +75,7 @@ class _PermissionSettingPage extends State<PermissionSettingPage> {
   ];
 
   queryPermission() async {
-    await permissions.forEach((element) async {
+    permissions.forEach((element) async {
       if (await element.isGranted) {
         permissionSwitch[element] = true;
       }
@@ -111,7 +111,7 @@ class _PermissionSettingPage extends State<PermissionSettingPage> {
 
   openPermission(Permission permission, int position) async {
     if ((permissionSwitch.containsKey(permission) &&
-        permissionSwitch[permission])) {
+        permissionSwitch![permission]!)) {
       openAppSettings();
       return;
     }
@@ -219,7 +219,7 @@ class _PermissionSettingPage extends State<PermissionSettingPage> {
           ),
           CupertinoSwitch(
             value: (permissionSwitch.containsKey(permission) &&
-                permissionSwitch[permission]),
+                permissionSwitch[permission]!),
             onChanged: (boo) {
               if (boo) {
                 requestDialog(position);

lib/setting/setting_page.dart

@@ -3,7 +3,6 @@ import 'dart:io';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:huixiang/generated/l10n.dart';
-import 'package:huixiang/login/login_page.dart';
 import 'package:huixiang/main.dart';
 import 'package:huixiang/utils/event_type.dart';
 import 'package:huixiang/utils/flutter_utils.dart';
@@ -22,7 +21,7 @@ class SettingPage extends StatefulWidget {
 }
 
 class _SettingPage extends State<SettingPage> {
-  String locale = "tw";
+  String? locale = "tw";
 
   String cacheTotal = "0B";
 
@@ -186,7 +185,7 @@ class _SettingPage extends State<SettingPage> {
     }
 
     SharedPreferences sharedPreferences = await SharedPreferences.getInstance();
-    List<String> miniAppids = sharedPreferences.getStringList("miniAppid");
+    List<String>? miniAppids = sharedPreferences.getStringList("miniAppid");
     if (miniAppids != null && miniAppids.length > 0) {
       miniAppids.forEach((element) async {
         print("appid: $element");

lib/union/location_map_page.dart

@@ -2,16 +2,13 @@ import 'dart:ui';
 import 'package:flutter/material.dart';
 import 'package:flutter_baidu_mapapi_base/flutter_baidu_mapapi_base.dart';
 import 'package:flutter_baidu_mapapi_map/flutter_baidu_mapapi_map.dart';
-import 'package:flutter_baidu_mapapi_utils/flutter_baidu_mapapi_utils.dart';
-import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
-import 'package:huixiang/generated/l10n.dart';
 import 'package:huixiang/utils/flutter_utils.dart';
 import 'package:huixiang/utils/location.dart';
 import 'package:huixiang/view_widget/my_appbar.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 
 class LocationMap extends StatefulWidget {
-  final Map<String, String> arguments;
+  final Map<String, String>? arguments;
 
   LocationMap({this.arguments});
 
@@ -37,12 +34,12 @@ class _LocationMap extends State<LocationMap> {
           event["longitude"] != null) {
         print("location: $event");
         if (event["latitude"] is String && event["longitude"] is String) {
-          myLatLng = BMFCoordinate(double.tryParse(event["latitude"]),
+          myLatLng = BMFCoordinate(double.tryParse(event["latitude"] as String),
-              double.tryParse(event["longitude"]));
+              double.tryParse(event["longitude"] as String));
         } else {
-          myLatLng = BMFCoordinate(event["latitude"], event["longitude"]);
+          myLatLng = BMFCoordinate(event["latitude"] as double, event["longitude"] as double);
         }
-        AppUtils.coordConvert(myLatLng).then((value) {
+        AppUtils.coordConvert(myLatLng!).then((value) {
           this.myLatLng = value;
           locationShow();
         });
@@ -65,7 +62,7 @@ class _LocationMap extends State<LocationMap> {
       location: location,
     );
     setState(() {
-      _mapController.updateLocationData(userLocation);
+      _mapController?.updateLocationData(userLocation);
     });
   }
 
@@ -80,7 +77,7 @@ class _LocationMap extends State<LocationMap> {
     return Scaffold(
       appBar: MyAppBar(
         background: Color(0xFFF7F7F7),
-        title: widget.arguments["storeName"],
+        title: widget.arguments!["storeName"],
         titleColor: Colors.black87,
         titleSize: 18.sp,
         leadingColor: Colors.black,
@@ -89,8 +86,8 @@ class _LocationMap extends State<LocationMap> {
         child: BMFMapWidget(
           mapOptions: BMFMapOptions(
             center: BMFCoordinate(
-              double.tryParse(widget.arguments["lat"]),
+              double.tryParse(widget.arguments!["lat"]!),
-              double.tryParse(widget.arguments["lng"]),
+              double.tryParse(widget.arguments!["lng"]!),
             ),
             showZoomControl: false,
             showMapScaleBar: false,
@@ -102,16 +99,16 @@ class _LocationMap extends State<LocationMap> {
     );
   }
 
-  BMFMapController _mapController;
+  BMFMapController? _mapController;
-  BMFCoordinate latLng;
+  BMFCoordinate? latLng;
-  BMFCoordinate myLatLng;
+  BMFCoordinate? myLatLng;
-  BMFMarker bmfMarker;
+  BMFMarker? bmfMarker;
 
   onMapCreated(BMFMapController controller) {
     _mapController = controller;
     setState(() {
-      _mapController.showUserLocation(true);
+      _mapController?.showUserLocation(true);
-      _mapController.setCustomMapStyle('assets/map_style/chatian.sty', 0);
+      _mapController?.setCustomMapStyle('assets/map_style/chatian.sty', 0);
       BMFUserLocationDisplayParam displayParam = BMFUserLocationDisplayParam(
         locationViewOffsetX: 0,
         locationViewOffsetY: 0,
@@ -122,7 +119,7 @@ class _LocationMap extends State<LocationMap> {
         locationViewHierarchy:
             BMFLocationViewHierarchy.LOCATION_VIEW_HIERARCHY_BOTTOM,
       );
-      _mapController.updateLocationViewWithParam(displayParam);
+      _mapController?.updateLocationViewWithParam(displayParam);
       addMarker();
     });
   }
@@ -130,8 +127,8 @@ class _LocationMap extends State<LocationMap> {
   addMarker() async {
     // latLng = await AppUtils.coordConvert(BMFCoordinate(double.tryParse(widget.arguments["lat"]),
     //     double.tryParse(widget.arguments["lng"])));
-    latLng = BMFCoordinate(double.tryParse(widget.arguments["lat"]),
+    latLng = BMFCoordinate(double.tryParse(widget.arguments!["lat"]!),
-        double.tryParse(widget.arguments["lng"]));
+        double.tryParse(widget.arguments!["lng"]!));
 
     if (bmfMarker == null && _mapController != null) {
       bmfMarker = BMFMarker(
@@ -141,9 +138,9 @@ class _LocationMap extends State<LocationMap> {
         icon: "assets/image/icon_map_marker.png",
         draggable: false,
       );
-      _mapController.addMarker(bmfMarker);
+      _mapController?.addMarker(bmfMarker);
     }
-    _mapController.updateMapOptions(
+    _mapController?.updateMapOptions(
       BMFMapOptions(
         center: latLng,
         zoomLevel: 15,

lib/union/store_details_page.dart

@@ -35,7 +35,7 @@ import 'package:chewie/src/chewie_progress_colors.dart' as chewie;
 import 'package:chewie/chewie.dart';
 
 class StoreDetailsPage extends StatefulWidget {
-  final Map<String, dynamic> arguments;
+  final Map<String, dynamic>? arguments;
 
   ///富文本 文章  活动
   StoreDetailsPage({this.arguments});
@@ -48,8 +48,8 @@ class StoreDetailsPage extends StatefulWidget {
 
 class _StoreDetailsPage extends State<StoreDetailsPage>
     with WidgetsBindingObserver {
-  ApiService apiService;
+  late ApiService apiService;
-  RefreshController _refreshController;
+  RefreshController? _refreshController;
   int commentTotal = 0;
   var commentTextController = TextEditingController();
   var commentFocus = FocusNode();
@@ -61,7 +61,7 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
   @override
   void didChangeMetrics() {
     super.didChangeMetrics();
-    WidgetsBinding.instance.addPostFrameCallback((_) {
+    WidgetsBinding.instance!.addPostFrameCallback((_) {
       setState(() {
         print("object: ${MediaQuery.of(context).viewInsets.bottom}");
         if (MediaQuery.of(context).viewInsets.bottom == 0) {
@@ -80,7 +80,7 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
   @override
   void initState() {
     super.initState();
-    WidgetsBinding.instance.addObserver(this);
+    WidgetsBinding.instance!.addObserver(this);
 
     _refreshController = RefreshController();
 
@@ -94,24 +94,24 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
     });
   }
 
-  Activity activity;
+  Activity? activity;
-  Article article;
+  Article? article;
-  List<MemberCommentList> memberList = [];
+  List<MemberCommentList?> memberList = [];
   GlobalKey commentKey = GlobalKey();
   ScrollController scrollController = ScrollController();
 
   queryHtml() async { //activityInfo
-    if (widget.arguments["activityId"] != null) {
+    if (widget.arguments!["activityId"] != null) {
-      BaseData<Activity> baseData = await apiService.activityInfo(widget.arguments["activityId"]);
+      BaseData<Activity> baseData = await apiService.activityInfo(widget.arguments!["activityId"]);
-      if (baseData != null && baseData.isSuccess) {
+      if (baseData != null && baseData.isSuccess!) {
         setState(() {
           activity = baseData.data;
         });
       }
     }
-    if (widget.arguments["articleId"] != null) {
+    if (widget.arguments!["articleId"] != null) {
-      BaseData<Article> baseData = await apiService.informationInfo(widget.arguments["articleId"]);
+      BaseData<Article> baseData = await apiService.informationInfo(widget.arguments!["articleId"]);
-      if (baseData != null && baseData.isSuccess) {
+      if (baseData != null && baseData.isSuccess!) {
         setState(() {
           article = baseData.data;
         });
@@ -123,26 +123,26 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
     SSDKMap params = SSDKMap()
       ..setGeneral(
         activity != null
-            ? activity.mainTitle
+            ? activity!.mainTitle!
             : article != null
-                ? article.mainTitle
+                ? article!.mainTitle!
                 : "",
         activity != null
-            ? activity.viceTitle
+            ? activity!.viceTitle
             : article != null
-                ? article.viceTitle
+                ? article!.viceTitle
                 : "",
         [
           activity != null
-              ? activity.coverImg
+              ? activity!.coverImg
               : article != null
-                  ? article.coverImg
+                  ? article!.coverImg
                   : "",
         ],
         activity != null
-            ? activity.coverImg
+            ? activity!.coverImg!
             : article != null
-                ? article.coverImg
+                ? article!.coverImg!
                 : "",
         "",
         buildShareUrl(),
@@ -154,9 +154,9 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
       );
 
     debugPrint(activity != null
-        ? activity.coverImg
+        ? activity!.coverImg
         : article != null
-            ? article.coverImg
+            ? article!.coverImg
             : "");
 
     showModalBottomSheet(
@@ -167,7 +167,7 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
             if (platform == ShareSDKPlatforms.line) {
               params.map["type"] = SSDKContentTypes.text.value;
               params.map["text"] =
-                  "${activity != null ? activity.viceTitle : article != null ? article.viceTitle : ""}  ${buildShareUrl()}";
+                  "${activity != null ? activity!.viceTitle : article != null ? article!.viceTitle : ""}  ${buildShareUrl()}";
             }
             SharesdkPlugin.share(platform, params,
                 (state, userData, contentEntity, error) {
@@ -178,25 +178,25 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
   }
 
   String buildShareUrl() {
-    return "https://hx.lotus-wallet.com/index.html?id=${widget.arguments["activityId"] ?? widget.arguments["articleId"]}&type=${activity != null ? "activity" : article != null ? "article" : ""}";
+    return "https://hx.lotus-wallet.com/index.html?id=${widget.arguments!["activityId"] ?? widget.arguments!["articleId"]}&type=${activity != null ? "activity" : article != null ? "article" : ""}";
   }
 
   //评论列表
   queryMemberCommentList() async {
-    BaseData<PageInfo<MemberCommentList>> baseData = await apiService.memberCommentList({
+    BaseData<PageInfo<MemberCommentList?>?> baseData = await apiService.memberCommentList({
       "pageNum": 1,
       "pageSize": 100,
       "relationalId":
-          widget.arguments["activityId"] ?? widget.arguments["articleId"],
+          widget.arguments!["activityId"] ?? widget.arguments!["articleId"],
       "relationalType": 1,
     }).catchError((error) {
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
-      _refreshController.refreshCompleted();
+      _refreshController?.refreshCompleted();
       setState(() {
-        commentTotal = baseData.data.size;
+        commentTotal = baseData.data!.size;
-        memberList = baseData.data.list;
+        memberList = baseData.data!.list!;
       });
     }
   }
@@ -204,7 +204,7 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
   //评论点赞
   queryCommentLike(String id) async {
     SharedPreferences sharedPreferences = await SharedPreferences.getInstance();
-    String token = sharedPreferences.getString("token");
+    String? token = sharedPreferences.getString("token");
     if (token == null || token == "") {
       SmartDialog.show(
         widget: LoginTips(
@@ -221,15 +221,15 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
     }
 
     BaseData baseData = await apiService.commentLike(id).catchError((onError) {});
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       setState(() {
         memberList.forEach((element) {
-          if (element.id == id) {
+          if (element!.id == id) {
-            if (element.liked) {
+            if (element.liked!) {
-              element.likes -= 1;
+              element.likes = element.likes! - 1;
               element.liked = false;
             } else {
-              element.likes += 1;
+              element.likes = element.likes! + 1;
               element.liked = true;
             }
           }
@@ -241,27 +241,27 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
   //给文章/活动点赞
   queryInformationLikes() async {
     BaseData baseData = await apiService.informationLikes(
-        widget.arguments["activityId"] ?? widget.arguments["articleId"]);
+        widget.arguments!["activityId"] ?? widget.arguments!["articleId"]);
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       setState(() {
         if (article != null) {
-          if (article.liked) {
+          if (article!.liked!) {
-            article.likes -= 1;
+            article!.likes = article!.likes! - 1;
           } else {
-            article.likes += 1;
+            article!.likes = article!.likes! + 1;
           }
-          article.liked = !article.liked;
+          article!.liked = !article!.liked!;
         } else if (activity != null) {
-          if (activity.liked) {
+          if (activity!.liked!) {
-            activity.likes -= 1;
+            activity!.likes = activity!.likes! - 1;
           } else {
-            activity.likes += 1;
+            activity!.likes = activity!.likes! + 1;
           }
-          activity.liked = !activity.liked;
+          activity!.liked = !activity!.liked!;
         }
       });
     } else {
-      SmartDialog.showToast(baseData.msg, alignment: Alignment.center);
+      SmartDialog.showToast(baseData.msg!, alignment: Alignment.center);
     }
   }
 
@@ -271,12 +271,12 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
       "content": content,
       "parentId": parenId,
       "relationalId":
-          widget.arguments["activityId"] ?? widget.arguments["articleId"],
+          widget.arguments!["activityId"] ?? widget.arguments!["articleId"],
       "relationalType": 1
     }).catchError((error) {
-      _refreshController.refreshFailed();
+      _refreshController?.refreshFailed();
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       commentTextController.text = "";
       queryMemberCommentList();
     }
@@ -302,9 +302,9 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
         background: Color(0xFFF7F7F7),
         leadingColor: Colors.black,
         title: activity != null
-            ? activity.mainTitle
+            ? activity!.mainTitle
             : article != null
-                ? article.mainTitle
+                ? article!.mainTitle
                 : "",
         titleSize: 18.sp,
         titleColor: Colors.black,
@@ -332,9 +332,9 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
                         alignment: Alignment.centerLeft,
                         child: Text(
                           activity != null
-                              ? activity.mainTitle
+                              ? activity!.mainTitle!
                               : article != null
-                                  ? article.mainTitle
+                                  ? article!.mainTitle!
                                   : "",
                           style: TextStyle(
                             fontSize: 16.sp,
@@ -349,7 +349,7 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
                           children: [
                             InkWell(
                               child: Text(
-                                "${activity != null ? activity.storeName : (article != null && article.author != null) ? article.author.name : ""}",
+                                "${activity != null ? activity!.storeName : (article != null && article!.author != null) ? article!.author!.name : ""}",
                                 style: TextStyle(
                                   fontWeight: FontWeight.normal,
                                   fontSize: 14.sp,
@@ -358,17 +358,17 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
                               ),
                               onTap: () {
                                 if (activity != null) {
-                                  if (widget.arguments["source"] != null &&
+                                  if (widget.arguments!["source"] != null &&
-                                      widget.arguments["source"] ==
+                                      widget.arguments!["source"] ==
-                                          activity.storeId) {
+                                          activity!.storeId) {
                                     Navigator.of(context).pop();
                                   } else {
                                     Navigator.of(context).pushNamed(
                                         '/router/union_detail_page',
                                         arguments: {
-                                          "id": activity.storeId,
+                                          "id": activity!.storeId,
                                           "source":
-                                              widget.arguments["activityId"]
+                                              widget.arguments!["activityId"]
                                         });
                                   }
                                 }
@@ -379,9 +379,9 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
                             ),
                             Text(
                               activity != null
-                                  ? activity.createTime
+                                  ? activity!.createTime!
                                   : article != null
-                                      ? article.createTime
+                                      ? article!.createTime!
                                       : "",
                               style: TextStyle(
                                 fontWeight: FontWeight.normal,
@@ -394,9 +394,9 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
                       ),
                       Html(
                         data: activity != null
-                            ? activity.content
+                            ? activity!.content
                             : article != null
-                                ? article.content
+                                ? article!.content
                                 : "",
                         customImageRenders: {
                           base64DataUriMatcher(): base64ImageRender(),
@@ -412,25 +412,25 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
                         customRender: {
                           "video": (context, parsedChild, attributes, element) {
                             return videoWidget(
-                                double.tryParse(attributes['width'] ?? ""),
+                                double.tryParse(attributes['width'] ?? "")!,
                                 double.tryParse(
-                                    element.attributes['height'] ?? ""),
+                                    element.attributes['height'] ?? "")!,
                                 element.children.first.attributes["src"],
                                 element.attributes["sandbox"]);
                           },
                           "iframe":
                               (context, parsedChild, attributes, element) {
                             return videoWidget(
-                                double.tryParse(attributes['width'] ?? ""),
+                                double.tryParse(attributes['width'] ?? "")!,
                                 double.tryParse(
-                                    element.attributes['height'] ?? ""),
+                                    element.attributes['height'] ?? "")!,
                                 element.children.first.attributes["src"],
                                 element.attributes["sandbox"]);
                           },
                           "audio": (context, parsedChild, attributes, element) {
                             final sources = <String>[
                               if (element.attributes['src'] != null)
-                                element.attributes['src'],
+                                element.attributes['src']!,
                             ];
                             if (sources == null ||
                                 sources.isEmpty ||
@@ -505,10 +505,10 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
                                     child: InkWell(
                                       onTap: () {
                                         showPressMenu(
-                                            memberList[position].createUser,
+                                            memberList[position]!.createUser!,
                                             memberList[position]);
                                       },
-                                      child: commentItem(memberList[position],
+                                      child: commentItem(memberList![position]!,
                                           position, memberList.length),
                                     ),
                                   );
@@ -584,8 +584,8 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
 
   delComment() async {
     BaseData baseData = await apiService.delComment(
-        widget.arguments["activityId"] ?? widget.arguments["articleId"]);
+        widget.arguments!["activityId"] ?? widget.arguments!["articleId"]);
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       queryMemberCommentList();
     }
   }
@@ -710,20 +710,20 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
                       );
               },
               isLiked: (activity != null
-                  ? activity.liked
+                  ? activity!.liked
                   : article != null
-                      ? article.liked
+                      ? article!.liked
                       : false),
               onTap: (isLiked) async {
                 await queryInformationLikes();
                 return (activity != null
-                    ? activity.liked
+                    ? activity!.liked!
                     : article != null
-                        ? article.liked
+                        ? article!.liked!
                         : false);
               },
               // likeCount: memberList.likes,
-              countBuilder: (int count, bool isLiked, String text) {
+              countBuilder: (int? count, bool isLiked, String text) {
                 return Text(
                   text,
                   style: TextStyle(
@@ -740,14 +740,14 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
 
   toComment() {
     if (commentKey.currentContext == null) return;
-    RenderBox firstRenderBox = commentKey.currentContext.findRenderObject();
+    RenderBox firstRenderBox = commentKey.currentContext!.findRenderObject() as RenderBox;
     Offset first = firstRenderBox.localToGlobal(Offset.zero);
     scrollController.animateTo(first.dy + scrollController.offset - (kToolbarHeight + MediaQuery.of(context).padding.top), duration: Duration(milliseconds: 100), curve: Curves.easeIn);
   }
 
-  VideoPlayerController videoPlayerController;
+  VideoPlayerController? videoPlayerController;
-  ChewieController chewieAudioController;
+  ChewieController? chewieAudioController;
-  Chewie chewies;
+  Chewie? chewies;
 
   Widget videoWidget(double width, double height, src, sandboxMode) {
     print("src :  $src");
@@ -842,7 +842,7 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
                           textDirection: TextDirection.ltr,
                         ),
                         Text(
-                          memberList.createTime,
+                          memberList.createTime!,
                           overflow: TextOverflow.ellipsis,
                           maxLines: 2,
                           style: TextStyle(
@@ -882,13 +882,13 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
                     },
                     isLiked: memberList.liked ?? false,
                     onTap: (isLiked) async {
-                      await queryCommentLike(memberList.id);
+                      await queryCommentLike(memberList.id!);
                       return (memberList == null || memberList.liked == null)
                           ? false
-                          : memberList.liked;
+                          : memberList.liked!;
                     },
                     likeCount: memberList.likes,
-                    countBuilder: (int count, bool isLiked, String text) {
+                    countBuilder: (int? count, bool isLiked, String text) {
                       return Text(
                         text,
                         style: TextStyle(
@@ -908,7 +908,7 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
             child: Align(
               alignment: Alignment.centerLeft,
               child: Text(
-                memberList.content,
+                memberList.content!,
                 style: TextStyle(
                   fontSize: 14.sp,
                   color: Color(0xff1A1A1A),
@@ -981,10 +981,10 @@ class _StoreDetailsPage extends State<StoreDetailsPage>
 
   @override
   void dispose() {
-    WidgetsBinding.instance.removeObserver(this);
+    WidgetsBinding.instance!.removeObserver(this);
-    if (chewieAudioController != null) chewieAudioController.dispose();
+    if (chewieAudioController != null) chewieAudioController!.dispose();
 
-    if (videoPlayerController != null) videoPlayerController.dispose();
+    if (videoPlayerController != null) videoPlayerController!.dispose();
 
     super.dispose();
   }

lib/union/union_details_page.dart

@@ -29,7 +29,7 @@ import 'package:pull_to_refresh/pull_to_refresh.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 class UnionDetailsPage extends StatefulWidget {
-  final Map<String, dynamic> arguments;
+  final Map<String, dynamic>? arguments;
 
   UnionDetailsPage({this.arguments});
 
@@ -40,7 +40,7 @@ class UnionDetailsPage extends StatefulWidget {
 }
 
 class _UnionDetailsPage extends State<UnionDetailsPage> {
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void dispose() {
@@ -59,18 +59,18 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
         });
   }
 
-  StoreInfo storeInfo;
+  StoreInfo? storeInfo;
-  List<Activity> activitys;
+  List<Activity>? activitys;
 
   queryStoreInfo() async {
-    BaseData baseData = await apiService.queryStoreInfo(widget.arguments["id"])
+    BaseData baseData = await apiService.queryStoreInfo(widget.arguments!["id"])
         .catchError((error) {
       refreshController.refreshFailed();
     });
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       refreshController.refreshCompleted();
       storeInfo = StoreInfo.fromJson(baseData.data);
-      activitys = storeInfo.informationVOPageVO.list
+      activitys = storeInfo!.informationVOPageVO!.list!
           .map((e) => Activity.fromJson(e))
           .toList();
       if (mounted) setState(() {});
@@ -86,7 +86,7 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
     return Scaffold(
       appBar: MyAppBar(
         background: Color(0xFFF7F7F7),
-        title: storeInfo == null ? "" : storeInfo.storeName,
+        title: storeInfo == null ? "" : storeInfo!.storeName,
         titleColor: Colors.black87,
         titleSize: 18.sp,
         leadingColor: Colors.black,
@@ -149,7 +149,7 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                                         children: [
                                           Text(
                                             storeInfo != null
-                                                ? storeInfo.storeName
+                                                ? storeInfo!.storeName!
                                                 : "",
                                             style: TextStyle(
                                               fontSize: 16.sp,
@@ -163,8 +163,8 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                                               child: Text(
                                                 S.of(context).ren(
                                                       storeInfo != null
-                                                          ? storeInfo
+                                                          ? storeInfo!
-                                                              .perCapitaConsumption
+                                                              .perCapitaConsumption!
                                                           : "",
                                                     ),
                                                 style: TextStyle(
@@ -179,7 +179,7 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                                       ),
                                       Text(
                                         storeInfo != null
-                                            ? storeInfo.address
+                                            ? storeInfo!.address!
                                             : "",
                                         maxLines: 2,
                                         textAlign: TextAlign.justify,
@@ -192,7 +192,7 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                                       Row(
                                         children: itemServer(
                                           storeInfo != null
-                                              ? storeInfo.businessService
+                                              ? storeInfo!.businessService!
                                               : "",
                                         ),
                                       ),
@@ -205,12 +205,12 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                                             S.of(context).yingyeshijian(storeInfo ==
                                                     null
                                                 ? ""
-                                                : (storeInfo.openStartTime ==
+                                                : (storeInfo!.openStartTime ==
                                                             null &&
-                                                        storeInfo.openEndTime ==
+                                                        storeInfo!.openEndTime ==
                                                             null)
                                                     ? S.of(context).quantian
-                                                    : "${storeInfo.openStartTime.substring(0, storeInfo.openStartTime.lastIndexOf(":"))} - ${storeInfo.openEndTime.substring(0, storeInfo.openEndTime.lastIndexOf(":"))}"),
+                                                    : "${storeInfo!.openStartTime!.substring(0, storeInfo!.openStartTime!.lastIndexOf(":"))} - ${storeInfo!.openEndTime!.substring(0, storeInfo!.openEndTime!.lastIndexOf(":"))}"),
                                             style: TextStyle(
                                               color: Color(0xFF353535),
                                               fontWeight: FontWeight.w400,
@@ -223,18 +223,18 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                                           InkWell(
                                             onTap: () {
                                               if (storeInfo == null ||
-                                                  storeInfo.latitude == null ||
+                                                  storeInfo!.latitude == null ||
-                                                  storeInfo.longitude == null ||
+                                                  storeInfo!.longitude == null ||
-                                                  storeInfo.latitude == "" ||
+                                                  storeInfo!.latitude == "" ||
-                                                  storeInfo.longitude == "")
+                                                  storeInfo!.longitude == "")
                                                 return;
                                               Navigator.of(context).pushNamed(
                                                   '/router/location_map',
                                                   arguments: {
-                                                    "lat": storeInfo.latitude,
+                                                    "lat": storeInfo!.latitude,
-                                                    "lng": storeInfo.longitude,
+                                                    "lng": storeInfo!.longitude,
                                                     "storeName":
-                                                        storeInfo.storeName,
+                                                        storeInfo!.storeName,
                                                   });
                                             },
                                             child: Image.asset(
@@ -276,7 +276,7 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                         imgPath: "assets/image/icon_union_coupons.png",
                       ),
                     ),
-                    (storeInfo != null && storeInfo.couponVOList != null)
+                    (storeInfo != null && storeInfo!.couponVOList != null)
                         ? buildCoupon()
                         : Container(
                             width: double.infinity,
@@ -298,7 +298,7 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                         imgPath: "assets/image/icon_union_start_store.png",
                       ),
                     ),
-                    (activitys != null && activitys.length > 0)
+                    (activitys != null && activitys!.length > 0)
                         ? Container(
                             margin: EdgeInsets.only(bottom: 30.h),
                             child: AspectRatio(
@@ -357,14 +357,14 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
 
   bool isEnable() {
     if (storeInfo == null) return false;
-    if (storeInfo.mini == null) return false;
+    if (storeInfo!.mini == null) return false;
-    String miniAppId = storeInfo.mini.miniAppId;
+    String miniAppId = storeInfo!.mini!.miniAppId!;
     if (miniAppId == null ||
         miniAppId == "" ||
-        storeInfo.mini.miniVersion == null ||
+        storeInfo!.mini!.miniVersion! == null ||
-        storeInfo.mini.miniVersion == "" ||
+        storeInfo!.mini!.miniVersion! == "" ||
-        storeInfo.mini.miniDownloadUrl == null ||
+        storeInfo!.mini!.miniDownloadUrl! == null ||
-        storeInfo.mini.miniDownloadUrl == "") {
+        storeInfo!.mini!.miniDownloadUrl! == "") {
       return false;
     } else {
       return true;
@@ -374,7 +374,7 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
   Widget buildVip() {
     return Container(
       margin: EdgeInsets.symmetric(
-          vertical: (storeInfo != null && storeInfo.isVip) ? 12.h : 20.h,
+          vertical: (storeInfo != null && storeInfo!.isVip!) ? 12.h : 20.h,
           horizontal: 16.w),
       padding: EdgeInsets.all(16),
       decoration: BoxDecoration(
@@ -383,7 +383,7 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
           image: AssetImage("assets/image/icon_vip_bg.png"),
         ),
       ),
-      child: (storeInfo != null && storeInfo.isVip)
+      child: (storeInfo != null && storeInfo!.isVip!)
           ? Column(
               mainAxisAlignment: MainAxisAlignment.spaceBetween,
               mainAxisSize: MainAxisSize.max,
@@ -409,7 +409,7 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                           width: 8.w,
                         ),
                         Text(
-                          "¥${(storeInfo != null && storeInfo.memberSource != null) ? storeInfo.memberSource.balance : ""}",
+                          "¥${(storeInfo != null && storeInfo!.memberSource != null) ? storeInfo!.memberSource!.balance! : ""}",
                           style: TextStyle(
                             fontSize: 14.sp,
                             fontWeight: FontWeight.w500,
@@ -440,8 +440,8 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                           width: 8.w,
                         ),
                         Text(
-                          (storeInfo != null && storeInfo.memberSource != null)
+                          (storeInfo != null && storeInfo!.memberSource != null)
-                              ? "${storeInfo.memberSource.integral}"
+                              ? "${storeInfo!.memberSource!.integral!}"
                               : "",
                           style: TextStyle(
                             fontSize: 14.sp,
@@ -519,8 +519,8 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
     return Container(
       height: 109.h,
       child: ListView.builder(
-        itemCount: (storeInfo != null && storeInfo.couponVOList != null)
+        itemCount: (storeInfo != null && storeInfo!.couponVOList != null)
-            ? storeInfo.couponVOList.length
+            ? storeInfo!.couponVOList!.length
             : 0,
         physics: BouncingScrollPhysics(parent: PageScrollPhysics()),
         scrollDirection: Axis.horizontal,
@@ -554,9 +554,8 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                           child: Text.rich(TextSpan(children: [
                             TextSpan(
                               text: (storeInfo != null &&
-                                      storeInfo.couponVOList != null &&
+                                      storeInfo!.couponVOList != null &&
-                                      storeInfo
+                                      storeInfo!.couponVOList![position]!.bizType! ==
-                                              .couponVOList[position].bizType ==
                                           1)
                                   ? "¥"
                                   : "",
@@ -568,18 +567,17 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                             ),
                             TextSpan(
                               text: (storeInfo != null &&
-                                      storeInfo.couponVOList != null &&
+                                      storeInfo!.couponVOList != null &&
-                                      storeInfo
+                                      storeInfo!
-                                              .couponVOList[position].bizType ==
+                                              .couponVOList![position]!.bizType! ==
                                           1)
-                                  ? "${double.tryParse(storeInfo.couponVOList[position].discountAmount).toInt()}"
+                                  ? "${double.tryParse(storeInfo!.couponVOList![position]!.discountAmount!)!.toInt()}"
                                   : (storeInfo != null &&
-                                          storeInfo.couponVOList != null &&
+                                          storeInfo!.couponVOList != null &&
-                                          storeInfo.couponVOList[position]
+                                          storeInfo!.couponVOList![position]!.bizType ==
-                                                  .bizType ==
                                               5)
                                       ? S.of(context).duihuanquan
-                                      : "${storeInfo.couponVOList[position].discountPercent / 10}折",
+                                      : "${storeInfo!.couponVOList![position]!.discountPercent! / 10}折",
                               style: TextStyle(
                                 fontSize: 36.sp,
                                 color: Color(0xFFFF7A1A),
@@ -614,9 +612,9 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                               children: [
                                 Text(
                                   (storeInfo != null &&
-                                          storeInfo.couponVOList != null)
+                                          storeInfo!.couponVOList != null)
-                                      ? storeInfo
+                                      ? storeInfo!
-                                          .couponVOList[position].couponName
+                                          .couponVOList![position]!.couponName!
                                       : "",
                                   maxLines: 1,
                                   overflow: TextOverflow.ellipsis,
@@ -628,22 +626,22 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                                 ),
                                 Text(
                                   (storeInfo != null &&
-                                          storeInfo.couponVOList != null)
+                                          storeInfo!.couponVOList != null)
-                                      ? (storeInfo.couponVOList[position]
+                                      ? (storeInfo!.couponVOList![position]!
                                                   .bizType ==
                                               1
                                           ? S.of(context).manlijiandaijinquan(
-                                              double.tryParse(storeInfo
+                                              double.tryParse(storeInfo!
-                                                      .couponVOList[position]
+                                                      .couponVOList![position]!
-                                                      .fullAmount)
+                                                      .fullAmount!)!
                                                   .toInt(),
-                                              double.tryParse(storeInfo
+                                              double.tryParse(storeInfo!
-                                                      .couponVOList[position]
+                                                      .couponVOList![position]!
-                                                      .discountAmount)
+                                                      .discountAmount!)!
                                                   .toInt())
-                                          : S.of(context).quanchangzhe(storeInfo
+                                          : S.of(context).quanchangzhe(storeInfo!
-                                              .couponVOList[position]
+                                              .couponVOList![position]!
-                                              .discountPercent))
+                                              .discountPercent!))
                                       : "",
                                   // (storeInfo != null && storeInfo.couponVOList != null) ? storeInfo.couponVOList[position].couponImg : "",
                                   // S.of(context).manlijiandaijinquan(30, 5),
@@ -657,15 +655,15 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                                 Text(
                                   S.of(context).youxiaoqizhi(
                                         (storeInfo != null &&
-                                                storeInfo.couponVOList !=
+                                                storeInfo!.couponVOList !=
                                                     null &&
-                                                storeInfo.couponVOList[position]
+                                                storeInfo!.couponVOList![position]!
                                                         .useStartTime !=
                                                     null &&
-                                                storeInfo.couponVOList[position]
+                                                storeInfo!.couponVOList![position]!
                                                         .useEndTime !=
                                                     null)
-                                            ? "${storeInfo.couponVOList[position].useStartTime.replaceAll("-", ".").split(" ")[0]}-${storeInfo.couponVOList[position].useEndTime.replaceAll("-", ".").split(" ")[0]}"
+                                            ? "${storeInfo!.couponVOList![position]!.useStartTime!.replaceAll("-", ".").split(" ")[0]}-${storeInfo!.couponVOList![position]!.useEndTime!.replaceAll("-", ".").split(" ")[0]}"
                                             : "",
                                       ),
                                   overflow: TextOverflow.ellipsis,
@@ -682,25 +680,25 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                         InkWell(
                           onTap: () {
                             if (storeInfo != null &&
-                                storeInfo.couponVOList != null &&
+                                storeInfo!.couponVOList != null &&
-                                storeInfo.couponVOList[position].status == 0) {
+                                storeInfo!.couponVOList![position]!.status == 0) {
                               receiveCoupon(
-                                  storeInfo.couponVOList[position].id);
+                                  storeInfo!.couponVOList![position]!.id);
                             }
                           },
                           child: Container(
                             height: 25.h,
                             child: RoundButton(
                               text: (storeInfo != null &&
-                                      storeInfo.couponVOList != null &&
+                                      storeInfo!.couponVOList != null &&
-                                      storeInfo.couponVOList[position].status >
+                                      storeInfo!.couponVOList![position]!.status! >
                                           0)
                                   ? S.of(context).yilingqu
                                   : S.of(context).lingqu,
                               textColor: Colors.white,
                               backgroup: (storeInfo != null &&
-                                      storeInfo.couponVOList != null &&
+                                      storeInfo!.couponVOList != null &&
-                                      storeInfo.couponVOList[position].status >
+                                      storeInfo!.couponVOList![position]!.status! >
                                           0)
                                   ? Colors.grey
                                   : Color(0xFF32A060),
@@ -724,7 +722,7 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
   ///领取优惠券
   receiveCoupon(couponId) async {
     BaseData baseData = await apiService.receiveCoupon(couponId);
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       queryStoreInfo();
       showAlertDialog();
     }
@@ -743,8 +741,8 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
 
   ///领取VIP
   receiveVip() async {
-    BaseData baseData = await apiService.minLogin(storeInfo.id);
+    BaseData baseData = await apiService.minLogin(storeInfo!.id!);
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       SmartDialog.showToast(S.of(context).lingquchenggong,
           alignment: Alignment.center);
       setState(() {
@@ -761,14 +759,14 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
         itemBuilder: (context, position) {
           return InkWell(
             onTap: () {
-              if (widget.arguments["source"] != null &&
+              if (widget.arguments!["source"] != null &&
-                  widget.arguments["source"] == activitys[position].id) {
+                  widget.arguments!["source"] == activitys![position].id) {
                 Navigator.of(context).pop();
               } else {
                 Navigator.of(context).pushNamed('/router/store_detail_page',
                     arguments: {
-                      "activityId": activitys[position].id,
+                      "activityId": activitys![position].id,
-                      "source": widget.arguments["id"]
+                      "source": widget.arguments!["id"]
                     });
               }
             },
@@ -795,8 +793,8 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                       mainAxisSize: MainAxisSize.max,
                       children: [
                         MImage(
-                          (activitys != null && activitys.length > position)
+                          (activitys != null && activitys!.length > position)
-                              ? activitys[position].coverImg
+                              ? activitys![position].coverImg!
                               : "",
                           aspectRatio: 2.2,
                           radius: BorderRadius.only(
@@ -815,8 +813,8 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                             children: [
                               Text(
                                 (activitys != null &&
-                                        activitys.length > position)
+                                        activitys!.length > position)
-                                    ? activitys[position].storeName
+                                    ? activitys![position].storeName!
                                     : "",
                                 style: TextStyle(
                                   fontSize: 14.sp,
@@ -829,8 +827,8 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                               ),
                               Text(
                                 (activitys != null &&
-                                        activitys.length > position)
+                                        activitys!.length > position)
-                                    ? activitys[position].mainTitle
+                                    ? activitys![position].mainTitle!
                                     : "",
                                 style: TextStyle(
                                   fontSize: 12.sp,
@@ -860,8 +858,8 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
                         ),
                       ),
                       child: Text(
-                        (activitys != null && activitys.length > position)
+                        (activitys != null && activitys!.length > position)
-                            ? activitys[position].startTime.split(" ")[0]
+                            ? activitys![position].startTime!.split(" ")[0]
                             : "",
                         style: TextStyle(
                           fontWeight: FontWeight.bold,
@@ -877,7 +875,7 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
           );
         },
         itemCount:
-            (activitys != null && activitys.length > 0) ? activitys.length : 0,
+            (activitys != null && activitys!.length > 0) ? activitys!.length : 0,
       ),
     );
   }
@@ -900,9 +898,9 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
               margin: EdgeInsets.only(left: 10.w, right: 10.w),
               child: MImage(
                 (storeInfo != null &&
-                        storeInfo.bannerList != null &&
+                        storeInfo!.bannerList != null &&
-                        position < storeInfo.bannerList.length)
+                        position < storeInfo!.bannerList!.length)
-                    ? storeInfo.bannerList[position].imgUrl
+                    ? storeInfo!.bannerList![position]!.imgUrl!
                     : "",
                 fit: BoxFit.cover,
                 radius: BorderRadius.circular(4),
@@ -911,8 +909,8 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
               ),
             );
           },
-          itemCount: (storeInfo != null && storeInfo.bannerList != null)
+          itemCount: (storeInfo != null && storeInfo!.bannerList != null)
-              ? storeInfo.bannerList.length
+              ? storeInfo!.bannerList!.length
               : 1),
     );
   }
@@ -931,7 +929,7 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
 //   "position":"30.554638,114.34394500000002",
 //   "token":"Bearer eyJ0eXAiOiJKc29uV2ViVG9rZW4iLCJhbGciOiJIUzI1NiJ9.eyJ1c2VyX3R5cGUiOiJNSU5JIiwibmFtZSI6IiIsInRva2VuX3R5cGUiOiJ0b2tlbiIsInVzZXJpZCI6IjE0MTI2ODc1MjI0NTgyMzg5NzYiLCJhY2NvdW50IjoiIiwiZXhwIjoxNjI2Nzk1Nzc0LCJuYmYiOjE2MjY3NjY5NzR9.cggcx_vqTozKS-z9uygjV4uA2yHQ4eWssMAngd2c-i0"}
   printMin() async {
-    String miniAppId = storeInfo.mini.miniAppId;
+    String miniAppId = storeInfo!.mini!.miniAppId!;
     print("print isExistsApp: ${await Min.isExistsApp(miniAppId)}");
     print("print getAppBasePath: ${await Min.getAppBasePath(miniAppId)}");
     print("print currentPageUrl: ${await Min.currentPageUrl()}");
@@ -946,8 +944,8 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
           alignment: Alignment.center);
       return;
     }
-    BaseData baseData = await apiService.minLogin(storeInfo.id);
+    BaseData baseData = await apiService.minLogin(storeInfo!.id!);
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       UserEntity userEntity = UserEntity.fromJson(baseData.data);
       startMin(userEntity.token, userEntity.userId);
     }
@@ -955,12 +953,12 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
 
   startMin(token, userId) async {
     if (storeInfo == null) return;
-    if (storeInfo.mini == null) return;
+    if (storeInfo!.mini == null) return;
     if (!(await Min.isInitialize())) {
       await Min.initialize();
     }
     printMin();
-    String miniAppId = storeInfo.mini.miniAppId;
+    String miniAppId = storeInfo!.mini!.miniAppId!;
     String filePath = "";
     if (Platform.isAndroid) {
       filePath = (await getExternalStorageDirectory()).path;
@@ -973,8 +971,8 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
       await downloadWgt(miniAppId, filePath);
       await Min.reloadWgt(miniAppId, filePath);
     } else {
-      String version = await Min.getAppVersionInfo(storeInfo.mini.miniAppId);
+      String version = await Min.getAppVersionInfo(storeInfo!.mini!.miniAppId!);
-      if (version != storeInfo.mini.miniVersion) {
+      if (version != storeInfo!.mini!.miniVersion!) {
         await downloadWgt(miniAppId, filePath);
         await Min.reloadWgt(miniAppId, filePath);
       }
@@ -988,17 +986,17 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
 // socketUrl : 'wss://pos.api.lotus-wallet.com:10015/cart', //线上
 
     SharedPreferences sharedPreferences = await SharedPreferences.getInstance();
-    String nickname = sharedPreferences.getString("nick");
+    String? nickname = sharedPreferences.getString("nick");
-    String mobile = sharedPreferences.getString("mobile");
+    String? mobile = sharedPreferences.getString("mobile");
-    String user = sharedPreferences.getString('user');
+    String? user = sharedPreferences.getString('user');
-    String latitude = sharedPreferences.getString("latitude");
+    String? latitude = sharedPreferences.getString("latitude");
-    String longitude = sharedPreferences.getString("longitude");
+    String? longitude = sharedPreferences.getString("longitude");
     print(user);
-    UserInfo userInfo = UserInfo.fromJson(jsonDecode(user));
+    UserInfo userInfo = UserInfo.fromJson(jsonDecode(user!));
     Min.startMin(miniAppId, {
       "token": "Bearer $token",
-      "shopId": widget.arguments["id"],
+      "shopId": widget.arguments!["id"],
-      "tenantCode": storeInfo.tenantCode,
+      "tenantCode": storeInfo!.tenantCode ?? "",
       if (latitude != null && longitude != null)
         "position": "$latitude,$longitude",
       "baseURL": "https://pos.api.lotus-wallet.com/app/",
@@ -1014,7 +1012,7 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
     });
   }
 
-  Function state;
+  Function? state;
   double progressValue = 0;
   String downText = "正在下载中...";
 
@@ -1067,11 +1065,11 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
         });
 
     Response response = await Dio()
-        .download(storeInfo.mini.miniDownloadUrl, savePath,
+        .download(storeInfo!.mini!.miniDownloadUrl, savePath,
             onReceiveProgress: (progress, max) {
       progressValue = progress.toDouble() / max.toDouble();
       // print("print progressValue: $progressValue");
-      state(() {});
+      state!(() {});
     });
     if (response.statusCode == 200) {
       downText = "下载完成";
@@ -1079,11 +1077,11 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
         value.setStringList(
             "miniAppid",
             (value.getStringList("miniAppid") != null
-                ? value.getStringList("miniAppid")
+                ? value.getStringList("miniAppid")!
                 : [])
               ..add(appid));
       });
-      state(() {});
+      state!(() {});
       Future.delayed(Duration(seconds: 1), () {
         if (Navigator.canPop(context)) {
           Navigator.of(context).pop();
@@ -1123,12 +1121,12 @@ class _UnionDetailsPage extends State<UnionDetailsPage> {
             title: Text(S.of(context).bodadianhua),
             actions: [
               if (storeInfo != null &&
-                  storeInfo.headMobile != null &&
+                  storeInfo!.headMobile != null &&
-                  storeInfo.headMobile != "")
+                  storeInfo!.headMobile != "")
                 CupertinoActionSheetAction(
-                  child: Text(storeInfo.headMobile),
+                  child: Text(storeInfo!.headMobile!),
                   onPressed: () {
-                    callMobile(storeInfo.headMobile);
+                    callMobile(storeInfo!.headMobile);
                     Navigator.of(context).pop();
                   },
                   isDefaultAction: true,

lib/union/union_page.dart

@@ -1,7 +1,4 @@
-import 'dart:io';
 import 'dart:ui';
-
-import 'package:android_intent_plus/android_intent.dart';
 import 'package:dio/dio.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/gestures.dart';
@@ -9,7 +6,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_baidu_mapapi_map/flutter_baidu_mapapi_map.dart';
 import 'package:flutter_baidu_mapapi_utils/flutter_baidu_mapapi_utils.dart';
-import 'package:flutter_bmflocation/bdmap_location_flutter_plugin.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:huixiang/generated/l10n.dart';
 import 'package:huixiang/main.dart';
@@ -22,8 +18,6 @@ import 'package:huixiang/view_widget/classic_header.dart';
 import 'package:huixiang/view_widget/custom_image.dart';
 import 'package:huixiang/view_widget/icon_text.dart';
 import 'package:huixiang/view_widget/item_title.dart';
-import 'package:huixiang/view_widget/request_permission.dart';
-import 'package:permission_handler/permission_handler.dart';
 import 'package:pull_to_refresh/pull_to_refresh.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:flutter/rendering.dart';
@@ -45,7 +39,7 @@ class _UnionPage extends State<UnionPage>
   @override
   void dispose() {
     super.dispose();
-    WidgetsBinding.instance.removeObserver(this);
+    WidgetsBinding.instance!.removeObserver(this);
     Location.getInstance().aMapFlutterLocation.stopLocation();
 
     refreshController.dispose();
@@ -56,7 +50,7 @@ class _UnionPage extends State<UnionPage>
   @override
   void didChangeMetrics() {
     super.didChangeMetrics();
-    WidgetsBinding.instance.addPostFrameCallback((_) {
+    WidgetsBinding.instance!.addPostFrameCallback((_) {
       setState(() {
         print("object: ${MediaQuery.of(context).viewInsets.bottom}");
         if (MediaQuery.of(context).viewInsets.bottom == 0) {
@@ -72,12 +66,12 @@ class _UnionPage extends State<UnionPage>
     });
   }
 
-  ApiService apiService;
+  late ApiService apiService;
 
   @override
   void initState() {
     super.initState();
-    WidgetsBinding.instance.addObserver(this);
+    WidgetsBinding.instance!.addObserver(this);
 
     Location.getInstance()
         .aMapFlutterLocation
@@ -89,10 +83,10 @@ class _UnionPage extends State<UnionPage>
           event["longitude"] != null) {
         print("location: $event");
         if (event["latitude"] is String && event["longitude"] is String) {
-          latLng = BMFCoordinate(double.tryParse(event["latitude"]),
+          latLng = BMFCoordinate(double.tryParse(event["latitude"] as String),
-              double.tryParse(event["longitude"]));
+              double.tryParse(event["longitude"] as String));
         } else {
-          latLng = BMFCoordinate(event["latitude"], event["longitude"]);
+          latLng = BMFCoordinate(event["latitude"] as double, event["longitude"] as double);
         }
         BMFCalculateUtils.coordConvert(
                 coordinate: latLng,
@@ -114,7 +108,7 @@ class _UnionPage extends State<UnionPage>
               event["district"],
               editingController.text);
           if (_mapController != null)
-            _mapController.updateMapOptions(BMFMapOptions(
+            _mapController!.updateMapOptions(BMFMapOptions(
               center: value,
               zoomLevel: 15,
             ));
@@ -136,7 +130,7 @@ class _UnionPage extends State<UnionPage>
     });
   }
 
-  BMFCoordinate latLng;
+  BMFCoordinate? latLng;
 
   saveLatLng(BMFCoordinate latLng, province, city, district) async {
     SharedPreferences prefs = await SharedPreferences.getInstance();
@@ -160,8 +154,8 @@ class _UnionPage extends State<UnionPage>
             value.containsKey("city") &&
             value.containsKey("district"))
           {
-            latLng = BMFCoordinate(double.tryParse(value.getString("latitude")),
+            latLng = BMFCoordinate(double.tryParse(value.getString("latitude")!),
-                double.tryParse(value.getString("longitude"))),
+                double.tryParse(value.getString("longitude")!)),
             queryStore(
               value.getString("latitude"),
               value.getString("longitude"),
@@ -172,7 +166,7 @@ class _UnionPage extends State<UnionPage>
             ),
             setState(() {
               if (_mapController != null) {
-                _mapController.updateMapOptions(BMFMapOptions(
+                _mapController!.updateMapOptions(BMFMapOptions(
                   center: latLng,
                   zoomLevel: 15,
                 ));
@@ -187,7 +181,7 @@ class _UnionPage extends State<UnionPage>
     );
   }
 
-  List<Store> storeList;
+  List<Store>? storeList;
 
   queryStore(latitude, longitude, province, city, district, searchKey) async {
     BaseData<List<Store>> baseData = await apiService.queryStore({
@@ -201,7 +195,7 @@ class _UnionPage extends State<UnionPage>
       refreshController.refreshFailed();
     });
     SmartDialog.dismiss();
-    if (baseData != null && baseData.isSuccess) {
+    if (baseData != null && baseData.isSuccess!) {
       storeList = baseData.data;
       refreshController.refreshCompleted();
       if (mounted) setState(() {});
@@ -262,7 +256,7 @@ class _UnionPage extends State<UnionPage>
           });
         },
         child: ListView.builder(
-            itemCount: storeList == null ? 0 : storeList.length,
+            itemCount: storeList == null ? 0 : storeList!.length,
             // padding: EdgeInsets.only(top: 8.h, bottom: 84.h + (375.h - 88.h) + 4.h),
             padding: EdgeInsets.only(
                 top: 8.h, bottom: 84.h /* + (375.h - 88.h) + 4.h*/),
@@ -271,16 +265,16 @@ class _UnionPage extends State<UnionPage>
               return GestureDetector(
                 onTap: () {
                   Navigator.of(context).pushNamed('/router/union_detail_page',
-                      arguments: {"id": storeList[position].id});
+                      arguments: {"id": storeList![position].id});
                 },
-                child: buildStoreItem(storeList[position], position),
+                child: buildStoreItem(storeList![position], position),
               );
             }),
       ),
     );
   }
 
-  BMFMapController _mapController;
+  BMFMapController? _mapController;
   TextEditingController editingController = TextEditingController();
 
   void onMapCreated(BMFMapController controller) {
@@ -428,7 +422,7 @@ class _UnionPage extends State<UnionPage>
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
           MImage(
-            store.logo,
+            store.logo!,
             width: 100.h,
             height: 100.h,
             fit: BoxFit.cover,
@@ -452,7 +446,7 @@ class _UnionPage extends State<UnionPage>
                     children: [
                       Expanded(
                         child: Text(
-                          store.storeName,
+                          store.storeName!,
                           overflow: TextOverflow.ellipsis,
                           style: TextStyle(
                             color: Colors.black,
@@ -463,7 +457,7 @@ class _UnionPage extends State<UnionPage>
                         flex: 1,
                       ),
                       Text(
-                        store.businessType,
+                        store.businessType!,
                         overflow: TextOverflow.ellipsis,
                         textAlign: TextAlign.end,
                         style: TextStyle(
@@ -483,16 +477,16 @@ class _UnionPage extends State<UnionPage>
                           child: Text(
                             store.couponVO == null
                                 ? ""
-                                : store.couponVO.bizType == 1
+                                : store.couponVO!.bizType! == 1
                                     ? S.of(context).manlijiandaijinquan(
                                         double.tryParse(
-                                                store.couponVO.fullAmount)
+                                                store.couponVO!.fullAmount!)!
                                             .toInt(),
                                         double.tryParse(
-                                                store.couponVO.discountAmount)
+                                                store.couponVO!.discountAmount!)!
                                             .toInt())
                                     : S.of(context).quanchangzhe(
-                                        store.couponVO.discountPercent),
+                                        store.couponVO!.discountPercent!),
                             style: TextStyle(
                               color: Color(0xFFFF7A1A),
                               fontWeight: FontWeight.w500,
@@ -503,7 +497,7 @@ class _UnionPage extends State<UnionPage>
                       ),
                       Text(
                         S.of(context).ren(
-                            store == null ? "" : store.perCapitaConsumption),
+                            store == null ? "" : store.perCapitaConsumption!),
                         style: TextStyle(
                           color: Color(0xFF353535),
                           fontWeight: FontWeight.w400,
@@ -532,7 +526,7 @@ class _UnionPage extends State<UnionPage>
                         child: Container(
                           padding: EdgeInsets.only(top: 2.h),
                           child: Text(
-                            store.address,
+                            store.address!,
                             overflow: TextOverflow.ellipsis,
                             maxLines: 2,
                             style: TextStyle(
@@ -553,7 +547,7 @@ class _UnionPage extends State<UnionPage>
                       IconText(
                         (store.openStartTime == null && store.openEndTime == null)
                             ? S.of(context).quantian
-                            : "${store.openStartTime.substring(0, store.openStartTime.lastIndexOf(":"))} - ${store.openEndTime.substring(0, store.openEndTime.lastIndexOf(":"))}",
+                            : "${store.openStartTime!.substring(0, store.openStartTime!.lastIndexOf(":"))} - ${store.openEndTime!.substring(0, store.openEndTime!.lastIndexOf(":"))}",
                         textStyle: TextStyle(
                           color: Color(0xFF727272),
                           fontSize: 12.sp,

lib/utils/MyPainter.dart

@@ -7,13 +7,13 @@ import 'package:flutter/cupertino.dart';
 
 class MyPainter extends CustomPainter {
   //默认的线的背景颜色
-  Color lineColor;
+  Color? lineColor;
   //默认的线的宽度
-  double width;
+  double? width;
   //已完成线的颜色
-  Color completeColor;
+  Color? completeColor;
   //已完成的百分比
-  double completePercent;
+  double? completePercent;
   //已完成的线的宽度
   double completeWidth;
   // 从哪开始 1从下开始, 2 从上开始 3 从左开始 4 从右开始  默认从下开始
@@ -25,7 +25,7 @@ class MyPainter extends CustomPainter {
   //结束的位置
   double endAngle;
   //默认的线的背景颜色
-  List<Color> lineColors;
+  List<Color>? lineColors;
   //实心圆阴影颜色
   // Color shadowColor;
   //渐变圆  深色在下面 还是在左面  默认在下面
@@ -57,11 +57,11 @@ class MyPainter extends CustomPainter {
       if (isDividerRound) {
         //背景的线
         Paint line = Paint()
-          ..color = lineColor
+          ..color = lineColor!
         // ..strokeCap = StrokeCap.round
           ..style = PaintingStyle.stroke
           ..isAntiAlias = true
-          ..strokeWidth = width;
+          ..strokeWidth = width!;
 
         double i = 0.00;
         while (i < pi * 2) {
@@ -72,10 +72,10 @@ class MyPainter extends CustomPainter {
       } else {
         //背景的线  实线
         Paint line = Paint()
-          ..color = lineColor
+          ..color = lineColor!
           ..strokeCap = StrokeCap.round
           ..style = PaintingStyle.stroke
-          ..strokeWidth = width;
+          ..strokeWidth = width!;
 
         canvas.drawCircle(
           //  画圆方法
@@ -86,7 +86,7 @@ class MyPainter extends CustomPainter {
     }
     //画上面的圆
     if (completeWidth > 0) {
-      double arcAngle = 2 * pi * (completePercent / 100);
+      double arcAngle = 2 * pi * (completePercent! / 100);
 
       // 从哪开始 1从下开始, 2 从上开始 3 从左开始 4 从右开始  默认从下开始
       double start = pi / 2;
@@ -118,7 +118,7 @@ class MyPainter extends CustomPainter {
         paint.shader = SweepGradient(
           startAngle: 0.0,
           endAngle: pi * 2,
-          colors: lineColors,
+          colors: lineColors!,
           tileMode: TileMode.clamp,
           transform: GradientRotation(transfrom),
         ).createShader(
@@ -129,7 +129,7 @@ class MyPainter extends CustomPainter {
             arcAngle, false, paint);
       } else {
         ///是实体圆
-        paint.color = completeColor;
+        paint.color = completeColor!;
         canvas.drawArc(
           Rect.fromCircle(center: center, radius: radius),
           start, //  -pi / 2,从正上方开始  pi / 2,从下方开始

lib/utils/flutter_utils.dart

@@ -100,7 +100,7 @@ class AppUtils {
   /// 清除缓存
   static Future<void> clear() async {
     Directory tempDir = await getTemporaryDirectory();
-    if (tempDir == null) return 0;
+    if (tempDir == null) return null;
     await _delete(tempDir);
   }
 

lib/utils/location.dart

@@ -12,7 +12,7 @@ import 'package:permission_handler/permission_handler.dart';
 
 class Location {
 
-  static Location _instance;
+  static late Location _instance;
 
   Location._internal() {
     aMapFlutterLocation = LocationFlutterPlugin();
@@ -25,7 +25,7 @@ class Location {
     return _instance;
   }
 
-  LocationFlutterPlugin aMapFlutterLocation;
+  late LocationFlutterPlugin aMapFlutterLocation;
 
   prepareLoc() {
     aMapFlutterLocation.prepareLoc({

lib/view_widget/border_text.dart

@@ -1,17 +1,18 @@
 import 'package:flutter/material.dart';
 
 class BorderText extends StatelessWidget {
-  final String text;
+  final String? text;
   final Color textColor;
   final Color borderColor;
   final double fontSize;
   final double borderWidth;
   final double radius;
   final FontWeight fontWeight;
-  final EdgeInsetsGeometry padding;
+  final EdgeInsetsGeometry? padding;
 
   BorderText(
-      {Key key, this.text,
+      {Key? key,
+      this.text,
       this.textColor = Colors.black,
       this.fontSize = 10,
       this.borderWidth = 2,
@@ -27,9 +28,10 @@ class BorderText extends StatelessWidget {
       alignment: Alignment.center,
       decoration: BoxDecoration(
         border: Border.all(color: borderColor, width: borderWidth),
-          borderRadius: BorderRadius.all(Radius.circular(radius))),
+        borderRadius: BorderRadius.circular(radius),
+      ),
       child: Text(
-        text,
+        text ?? "",
         style: TextStyle(
           color: textColor,
           fontSize: fontSize,

lib/view_widget/classic_header.dart

@@ -30,14 +30,14 @@ class MyHeader extends StatelessWidget {
 }
 
 class MyClassicHeader extends RefreshIndicator {
-  final OuterBuilder outerBuilder;
+  final OuterBuilder? outerBuilder;
-  final String releaseText,
+  final String? releaseText,
       idleText,
       refreshingText,
       completeText,
       failedText,
       canTwoLevelText;
-  final Widget releaseIcon,
+  final Widget? releaseIcon,
       idleIcon,
       refreshingIcon,
       completeIcon,
@@ -53,7 +53,7 @@ class MyClassicHeader extends RefreshIndicator {
   final TextStyle completeTextStyle;
 
   const MyClassicHeader({
-    Key key,
+    Key? key,
     RefreshStyle refreshStyle: RefreshStyle.Follow,
     double height: 60.0,
     Duration completeDuration: const Duration(milliseconds: 600),
@@ -95,18 +95,18 @@ class _ClassicHeaderState extends RefreshIndicatorState<MyClassicHeader> {
             EnRefreshString();
     return Text(
         mode == RefreshStatus.canRefresh
-            ? widget.releaseText ?? strings.canRefreshText
+            ? widget.releaseText ?? strings.canRefreshText!
             : mode == RefreshStatus.completed
-                ? widget.completeText ?? strings.refreshCompleteText
+                ? widget.completeText ?? strings.refreshCompleteText!
                 : mode == RefreshStatus.failed
-                    ? widget.failedText ?? strings.refreshFailedText
+                    ? widget.failedText ?? strings.refreshFailedText!
                     : mode == RefreshStatus.refreshing
-                        ? widget.refreshingText ?? strings.refreshingText
+                        ? widget.refreshingText ?? strings.refreshingText!
                         : mode == RefreshStatus.idle
-                            ? widget.idleText ?? strings.idleRefreshText
+                            ? widget.idleText ?? strings.idleRefreshText!
                             : mode == RefreshStatus.canTwoLevel
                                 ? widget.canTwoLevelText ??
-                                    strings.canTwoLevelText
+                                    strings.canTwoLevelText!
                                 : "",
         style: mode == RefreshStatus.completed
             ? widget.completeTextStyle
@@ -115,17 +115,17 @@ class _ClassicHeaderState extends RefreshIndicatorState<MyClassicHeader> {
 
   Widget _buildIcon(mode) {
     Widget icon = mode == RefreshStatus.canRefresh
-        ? widget.releaseIcon
+        ? widget.releaseIcon!
         : mode == RefreshStatus.idle
-            ? widget.idleIcon
+            ? widget.idleIcon!
             : mode == RefreshStatus.completed
-                ? widget.completeIcon
+                ? widget.completeIcon!
                 : mode == RefreshStatus.failed
-                    ? widget.failedIcon
+                    ? widget.failedIcon!
                     : mode == RefreshStatus.canTwoLevel
-                        ? widget.canTwoLevelIcon
+                        ? widget.canTwoLevelIcon!
                         : mode == RefreshStatus.canTwoLevel
-                            ? widget.canTwoLevelIcon
+                            ? widget.canTwoLevelIcon!
                             : mode == RefreshStatus.refreshing
                                 ? widget.refreshingIcon ??
                                     SizedBox(
@@ -137,7 +137,7 @@ class _ClassicHeaderState extends RefreshIndicatorState<MyClassicHeader> {
                                           : const CircularProgressIndicator(
                                               strokeWidth: 2.0),
                                     )
-                                : widget.twoLevelView;
+                                : widget.twoLevelView!;
     return icon ?? Container();
   }
 
@@ -168,7 +168,7 @@ class _ClassicHeaderState extends RefreshIndicatorState<MyClassicHeader> {
       children: children,
     );
     return widget.outerBuilder != null
-        ? widget.outerBuilder(container)
+        ? widget.outerBuilder!(container)
         : Container(
             child: Center(child: container),
             height: widget.height,

lib/view_widget/comment_menu.dart

@@ -2,7 +2,6 @@ import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:flutter/material.dart';
 import 'package:huixiang/generated/l10n.dart';
 import 'package:huixiang/utils/font_weight.dart';
-import 'package:huixiang/view_widget/separator.dart';
 
 class CommentMenu extends StatefulWidget {
   final bool isSelf;

lib/view_widget/coupon_widget.dart

@@ -8,8 +8,8 @@ import 'package:huixiang/view_widget/round_button.dart';
 import 'package:huixiang/view_widget/separator.dart';
 
 class CouponWidget extends StatelessWidget {
-  final GestureTapCallback callback;
+  final GestureTapCallback? callback;
-  final Coupon coupon;
+  final Coupon? coupon;
 
   CouponWidget(this.coupon, this.callback);
 
@@ -34,14 +34,14 @@ class CouponWidget extends StatelessWidget {
         child: Stack(
           children: [
             Image.asset(
-              coupon.status != 3
+              coupon!.status != 3
                   ? "assets/image/ic_coupon_bg.png"
                   : "assets/image/ic_coupon_invalid_bg.png",
               fit: BoxFit.cover,
               width: double.infinity,
               height: double.infinity,
             ),
-            if (coupon.status == 3)
+            if (coupon!.status == 3)
               Positioned(
                 top: 10,
                 right: 0,
@@ -57,7 +57,7 @@ class CouponWidget extends StatelessWidget {
                 ),
               ),
             Opacity(
-              opacity: coupon.status != 3 ? 1 : 0.54,
+              opacity: coupon!.status != 3 ? 1 : 0.54,
               child: Container(
                 child: Column(
                   mainAxisAlignment: MainAxisAlignment.start,
@@ -73,10 +73,10 @@ class CouponWidget extends StatelessWidget {
                               margin: EdgeInsets.only(left: 20),
                               child: MImage(
                                   (coupon == null ||
-                                      coupon.couponImg == null ||
+                                      coupon!.couponImg == null ||
-                                      coupon.couponImg == "")
+                                      coupon!.couponImg! == "")
                                       ? ""
-                                      : coupon.couponImg,
+                                      : coupon!.couponImg!,
                               )
                               // Image.network(
 
@@ -106,7 +106,7 @@ class CouponWidget extends StatelessWidget {
                                           Expanded(
                                             flex: 1,
                                             child: Text(
-                                              coupon.couponName ?? "",
+                                              coupon!.couponName ?? "",
                                               style: TextStyle(
                                                 fontWeight: FontWeight.bold,
                                                 fontSize: 14,
@@ -114,7 +114,7 @@ class CouponWidget extends StatelessWidget {
                                               ),
                                             ),
                                           ),
-                                          (coupon.status == 0)
+                                          (coupon!.status == 0)
                                               ? Row(
                                                   children: [
                                                     RoundButton(
@@ -132,13 +132,12 @@ class CouponWidget extends StatelessWidget {
                                                       backgroup:
                                                           Color(0xff32A060),
                                                       callback: () {
-                                                        showAlertDialog(
+                                                        showAlertDialog(context);
-                                                            context);
                                                       },
                                                     ),
                                                   ],
                                                 )
-                                              : (coupon.status == 1)
+                                              : (coupon!.status == 1)
                                                   ? Row(
                                                       children: [
                                                         Text(
@@ -170,7 +169,7 @@ class CouponWidget extends StatelessWidget {
                                         margin: EdgeInsets.only(right: 37),
                                         alignment: Alignment.centerLeft,
                                         child: Text(
-                                          coupon.couponDescription ?? "",
+                                          coupon!.couponDescription ?? "",
                                           style: TextStyle(
                                             fontSize: 10,
                                             color: Color(0xFF4C4C4C),
@@ -200,10 +199,10 @@ class CouponWidget extends StatelessWidget {
                         padding: EdgeInsets.only(left: 20),
                         alignment: Alignment.centerLeft,
                         child: Text(
-                          coupon.status == 0
+                          coupon!.status == 0
-                              ? S.of(context).faxingshijian(coupon.publishStartTime)
+                              ? S.of(context).faxingshijian(coupon!.publishStartTime!)
-                              : coupon.status == 1
+                              : coupon!.status == 1
-                                  ? S.of(context).lingqushijian(coupon.receiveTime)
+                                  ? S.of(context).lingqushijian(coupon!.receiveTime!)
                                   : S.of(context).shiyongriqi,
                           style: TextStyle(
                             color: Color(0xFF727272),