huixiang_app/lib/union/union_page.dart

import 'dart:io';
import 'dart:ui';

import 'package:amap_flutter_location/amap_flutter_location.dart';
import 'package:amap_flutter_location/amap_location_option.dart';
import 'package:android_intent_plus/android_intent.dart';
import 'package:dio/dio.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/main.dart';
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/utils/event_type.dart';
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:amap_flutter_base/amap_flutter_base.dart';
import 'package:amap_flutter_map/amap_flutter_map.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 'dart:typed_data';
import 'package:flutter/rendering.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

class UnionPage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _UnionPage();
  }
}

class _UnionPage extends State<UnionPage>
    with AutomaticKeepAliveClientMixin, WidgetsBindingObserver {
  //默认设置为不使用自定义地图，如果需要直接显示，在初始化是设置为true
  CustomStyleOptions _customStyleOptions = CustomStyleOptions(false);

  //加载自定义地图样式
  void _loadCustomData() async {
    if (null == _customStyleOptions) {
      _customStyleOptions = CustomStyleOptions(false);
    }
    ByteData styleByteData =
        await rootBundle.load('assets/map_style/style.data');
    _customStyleOptions.styleData = styleByteData.buffer.asUint8List();
    ByteData styleExtraByteData =
        await rootBundle.load('assets/map_style/style_extra.data');
    _customStyleOptions.styleExtraData =
        styleExtraByteData.buffer.asUint8List();
    //如果需要加载完成后直接展示自定义地图，可以通过setState修改CustomStyleOptions的enable为true
    setState(() {
      _customStyleOptions.enabled = true;
    });
  }

  AMapFlutterLocation aMapFlutterLocation;
  RefreshController refreshController =
      RefreshController(initialRefresh: false);

  @override
  void dispose() {
    super.dispose();
    WidgetsBinding.instance.removeObserver(this);
    aMapFlutterLocation.stopLocation();
    aMapFlutterLocation.destroy();

    refreshController.dispose();
  }

  bool isKeyBoardShow = false;

  @override
  void didChangeMetrics() {
    super.didChangeMetrics();
    WidgetsBinding.instance.addPostFrameCallback((_) {
      setState(() {
        print("object: ${MediaQuery.of(context).viewInsets.bottom}");
        if (MediaQuery.of(context).viewInsets.bottom == 0) {
          if (isKeyBoardShow) {
            isKeyBoardShow = false;
            //关闭键盘 软键盘关闭了， 清除输入控件的焦点， 否则重新进入页面会导致软键盘再弹出问题
            FocusScope.of(context).requestFocus(FocusNode());
          }
        } else {
          isKeyBoardShow = true;
        }
      });
    });
  }

  ApiService apiService;

  @override
  void initState() {
    super.initState();

    WidgetsBinding.instance.addObserver(this);

    if (aMapFlutterLocation == null) {
      AMapFlutterLocation.setApiKey("f39d1daa020a56f208eb2519f63e9534",
          "feaae7986201b571cace1b83728be5bb");
      aMapFlutterLocation = AMapFlutterLocation();
      aMapFlutterLocation.onLocationChanged().listen((event) {
        if (event != null &&
            event["latitude"] != null &&
            event["longitude"] != null) {
          print("location: $event");
          if (event["latitude"] is String && event["longitude"] is String) {
            latLng = LatLng(double.tryParse(event["latitude"]),
                double.tryParse(event["longitude"]));
          } else {
            latLng = LatLng(event["latitude"], event["longitude"]);
          }
          saveLatLng(
              latLng, event["province"], event["city"], event["district"]);
          queryStore(
              "${event["latitude"]}",
              "${event["longitude"]}",
              event["province"],
              event["city"],
              event["district"],
              editingController.text);
          if (_mapController != null)
            _mapController.moveCamera(
              CameraUpdate.newCameraPosition(CameraPosition(
                target: latLng,
                zoom: 15.0,
              )),
            );
        }
      });

      eventBus.on<EventType>().listen((event) {
        print("object: UnionPage");
        if (event.type < 3) {
          setState(() {});
        }
      });
    }

    aMapFlutterLocation.setLocationOption(AMapLocationOption(
      needAddress: true,
      onceLocation: true,
      locationMode: AMapLocationMode.Hight_Accuracy,
      desiredAccuracy: DesiredAccuracy.HundredMeters,
      desiredLocationAccuracyAuthorizationMode:
          AMapLocationAccuracyAuthorizationMode.FullAndReduceAccuracy,
      pausesLocationUpdatesAutomatically: true,
    ));

    _loadCustomData();

    getLatLng();
    startLocation();
  }

  LatLng latLng;

  saveLatLng(LatLng latLng, province, city, district) async {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setString("latitude", "${latLng.latitude}");
    await prefs.setString("longitude", "${latLng.longitude}");
    await prefs.setString("province", province);
    await prefs.setString("city", city);
    await prefs.setString("district", district);
  }

  getLatLng() async {
    SharedPreferences.getInstance().then(
      (value) => {
        apiService = ApiService(Dio(),
            context: context,
            token: value.getString('token'),
            showLoading: false),
        if (value.containsKey("latitude") &&
            value.containsKey("longitude") &&
            value.containsKey("province") &&
            value.containsKey("city") &&
            value.containsKey("district"))
          {
            latLng = LatLng(double.tryParse(value.getString("latitude")),
                double.tryParse(value.getString("longitude"))),
            queryStore(
              value.getString("latitude"),
              value.getString("longitude"),
              value.getString("province"),
              value.getString("city"),
              value.getString("district"),
              editingController.text,
            ),
            setState(() {
              if (_mapController != null) {
                _mapController.moveCamera(
                  CameraUpdate.newCameraPosition(
                    CameraPosition(
                      target: latLng,
                      zoom: 15.0,
                    ),
                  ),
                );
              }
            })
          }
        else
          {
            queryStore("", "", "", "", "", editingController.text),
          }
      },
    );
  }

  List<Store> storeList;

  queryStore(latitude, longitude, province, city, district, searchKey) async {
    BaseData baseData = await apiService.queryStore({
      // "city": city,
      // "district": district,
      // "province": province,
      "latitude": latitude,
      "longitude": longitude,
      "searchKey": searchKey
    }).catchError((error) {
      refreshController.refreshFailed();
    });
    SmartDialog.dismiss();
    if (baseData != null && baseData.isSuccess) {
      storeList = (baseData.data as List<dynamic>)
          .map((e) => Store.fromJson(e))
          .toList();
      buildMarker();
      refreshController.refreshCompleted();
      if (mounted) setState(() {});
    } else {
      refreshController.refreshFailed();
    }
  }

  RepaintBoundary repaintBoundary;

  buildMarker() async {
    markers.clear();

    BitmapDescriptor bitmapDescriptor = await BitmapDescriptor.fromAssetImage(
        ImageConfiguration(
          bundle: DefaultAssetBundle.of(context),
          devicePixelRatio: MediaQuery.of(context)?.devicePixelRatio ?? 1.0,
          locale: Localizations.localeOf(context),
          textDirection: Directionality.of(context),
          size: Size(35.w, 35.h),
          platform: defaultTargetPlatform,
        ),
        "assets/image/icon_map_marker.png");

    markers.addAll(storeList.map((element) => Marker(
          position: LatLng(double.tryParse(element.latitude),
              double.tryParse(element.longitude)),
          anchor: Offset(0.5, 0.9),
          clickable: false,
          icon: bitmapDescriptor,
          infoWindowEnable: true,
        )));
    if (mounted) setState(() {});
  }

  List<Marker> markers = [];

  @override
  Widget build(BuildContext context) {
    super.build(context);
    return GestureDetector(
      onTap: () {
        FocusScope.of(context).requestFocus(FocusNode());
      },
      child: Scaffold(
        resizeToAvoidBottomInset: false,
        appBar: PreferredSize(
          preferredSize: Size(double.infinity, 75.h),
          child: buildSearchItem(),
        ),
        body: Column(
          children: [
            PreferredSize(
              preferredSize: Size(double.infinity, 52.h),
              child: Container(
                padding: EdgeInsets.only(top: 6.h),
                color: Color(0xFFFAFAFA),
                child: ItemTitle(
                  text: S.of(context).jingbilianmenghuiyuandian,
                  imgPath: "assets/image/icon_union_store.png",
                ),
              ),
            ),
            buildItem(),
          ],
        ),
        // body: NestedScrollView(
        //   physics: PageScrollPhysics(),
        //   headerSliverBuilder: (context, inner) {
        //     return [
        //       SliverOverlapAbsorber(
        //         sliver: buildSliverAppBar(AMapWidget(
        //           initialCameraPosition: CameraPosition(
        //             target: LatLng(30.553111, 114.342366),
        //             zoom: 12.0,
        //           ),
        //           onMapCreated: onMapCreated,
        //           apiKey: aMapApiKeys,
        //           touchPoiEnabled: true,
        //           markers: markers.toSet(),
        //           scrollGesturesEnabled: true,
        //           customStyleOptions: _customStyleOptions,
        //           onPoiTouched: (poiTouch) {
        //             FocusScope.of(context).requestFocus(FocusNode());
        //           },
        //           gestureRecognizers: <Factory<OneSequenceGestureRecognizer>>[
        //             Factory<OneSequenceGestureRecognizer>(
        //                     () => EagerGestureRecognizer()),
        //           ].toSet(),
        //         )),
        //         handle:
        //         NestedScrollView.sliverOverlapAbsorberHandleFor(context),
        //       )
        //     ];
        //   },
        //   body: Builder(
        //     builder: (context) {
        //       return CustomScrollView(
        //         physics: NeverScrollableScrollPhysics(),
        //         slivers: [
        //           SliverOverlapInjector(
        //             handle: NestedScrollView.sliverOverlapAbsorberHandleFor(
        //                 context),
        //           ),
        //           SliverToBoxAdapter(
        //               child:
        //           ),
        //         ],
        //       );
        //     },
        //   ),),
      ),
    );
  }

  Widget buildItem() {
    return Container(
      height: MediaQuery.of(context).size.height -
          103.h -
          MediaQuery.of(context).padding.top,
      child: SmartRefresher(
        controller: refreshController,
        enablePullUp: false,
        enablePullDown: true,
        physics: BouncingScrollPhysics(),
        header: MyHeader(),
        onRefresh: () {
          startLocation();
        },
        child: ListView.builder(
            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*/),
            physics: NeverScrollableScrollPhysics(),
            itemBuilder: (context, position) {
              return GestureDetector(
                onTap: () {
                  Navigator.of(context).pushNamed('/router/union_detail_page',
                      arguments: {"id": storeList[position].id});
                },
                child: buildStoreItem(storeList[position], position),
              );
            }),
      ),
    );
  }

  startLocation() async {
    if (!(await Permission.locationWhenInUse.serviceStatus.isEnabled)) {
      enableLocation();
      refreshController.refreshCompleted();
      return;
    }

    if (await Permission.location.isPermanentlyDenied) {
      requestDialog();
      refreshController.refreshCompleted();
    } else if (await Permission.location.isGranted) {
      SmartDialog.showLoading(msg: S.of(context).zhengzaijiazai);
      aMapFlutterLocation.startLocation();
      Future.delayed(Duration(seconds: 6), () {
        SmartDialog.dismiss();
        refreshController.refreshCompleted();
      });
    } else if (await Permission.location.isUndetermined) {
      await Permission.location.request();
      refreshController.refreshCompleted();
    } else {
      if (Platform.isIOS) {
        //去设置中心
        requestDialog();
      } else {
        await Permission.location.request();
      }
      refreshController.refreshCompleted();
    }
  }

  enableLocation() {
    showCupertinoDialog(
      context: context,
      builder: (context) {
        return RequestPermission(
          "assets/image/icon_permission_location_bg.png",
          S.of(context).nindingweigongnengweikaiqi,
          S.of(context).weilexiangnintuijianfujindemendianxinxi,
          S.of(context).dakaidingwei,
          (result) async {
            if (result) {
              final AndroidIntent intent = AndroidIntent(
                  action: 'action_location_source_settings',
                  package: "com.zsw.huixiang");
              await intent.launch();
              // startLocation();
            }
          },
          heightRatioWithWidth: 0.82,
        );
      },
    );
  }

  requestDialog() {
    showCupertinoDialog(
        context: context,
        builder: (context) {
          return RequestPermission(
            "assets/image/icon_permission_location_bg.png",
            S.of(context).nindingweiquanxianweiyunxu,
            S.of(context).weilexiangnintuijianfujindemendianxinxi,
            S.of(context).kaiqiquanxian,
            (result) async {
              if (result) {
                await openAppSettings();
                if (await Permission.location.isGranted) {
                  startLocation();
                }
              }
            },
            heightRatioWithWidth: 0.82,
          );
        });
  }

  AMapController _mapController;
  TextEditingController editingController = TextEditingController();

  void onMapCreated(AMapController controller) {
    _mapController = controller;
  }

  Widget buildSearchItem() {
    return Container(
      height: 36.h,
      margin: EdgeInsets.fromLTRB(16.w, 40, 16.w, 0),
      padding: EdgeInsets.fromLTRB(0, 6.h, 0, 6.h),
      decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.all(Radius.circular(4)),
          boxShadow: [
            BoxShadow(
              color: Colors.black.withAlpha(12),
              offset: Offset(0, 3),
              blurRadius: 14,
              spreadRadius: 0,
            )
          ]),
      child: TextField(
        textInputAction: TextInputAction.search,
        onEditingComplete: () {
          startLocation();
        },
        controller: editingController,
        cursorHeight: 30.h,
        decoration: InputDecoration(
          contentPadding: EdgeInsets.symmetric(vertical: 12.h),
          prefixIcon: Icon(
            Icons.search,
            size: 24,
            color: Colors.black,
          ),
          suffixIcon: InkWell(
            onTap: () {
              editingController.clear();
            },
            child: Icon(
              Icons.close,
              size: 19,
              color: Colors.grey,
            ),
          ),
          border: InputBorder.none,
        ),
      ),
    );
  }

  Widget buildSliverAppBar(AMapWidget map) {
    return SliverAppBar(
      // 滑上去时搜索隐藏
      // floating: true,
      // snap: true,
      pinned: true,
      backgroundColor: Color(0xFFFAFAFA),
      elevation: 0,
      automaticallyImplyLeading: false,
      title: Container(
        height: 36.h,
        margin: EdgeInsets.fromLTRB(16.w, 0, 16.w, 0),
        padding: EdgeInsets.fromLTRB(0, 6.h, 0, 6.h),
        decoration: BoxDecoration(
            color: Colors.white,
            borderRadius: BorderRadius.all(Radius.circular(4)),
            boxShadow: [
              BoxShadow(
                color: Colors.black.withAlpha(12),
                offset: Offset(0, 3),
                blurRadius: 14,
                spreadRadius: 0,
              )
            ]),
        child: TextField(
          textInputAction: TextInputAction.search,
          onEditingComplete: () {
            startLocation();
          },
          controller: editingController,
          cursorHeight: 30.h,
          decoration: InputDecoration(
            contentPadding: EdgeInsets.symmetric(vertical: 12.h),
            prefixIcon: Icon(
              Icons.search,
              size: 24,
              color: Colors.black,
            ),
            suffixIcon: InkWell(
              onTap: () {
                editingController.clear();
              },
              child: Icon(
                Icons.close,
                size: 19,
                color: Colors.grey,
              ),
            ),
            border: InputBorder.none,
          ),
        ),
      ),
      flexibleSpace: FlexibleSpaceBar(
        background: Container(
          child: map,
        ),
      ),
      expandedHeight: 375.h,
      bottom: PreferredSize(
        preferredSize: Size(double.infinity, 52.h),
        child: Container(
          padding: EdgeInsets.only(top: 6.h),
          color: Color(0xFFFAFAFA),
          child: ItemTitle(
            text: S.of(context).jingbilianmenghuiyuandian,
            imgPath: "assets/image/icon_union_store.png",
          ),
        ),
      ),
    );
  }

  Widget buildStoreItem(Store store, position) {
    return Container(
      margin: EdgeInsets.fromLTRB(16.w, 8.h, 16.w, 8.h),
      padding: EdgeInsets.fromLTRB(20.w, 20.h, 20.w, 20.h),
      decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.all(Radius.circular(8)),
          boxShadow: [
            BoxShadow(
              color: Colors.black.withAlpha(25),
              offset: Offset(0, 1),
              blurRadius: 12,
              spreadRadius: 0,
            )
          ]),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.start,
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          MImage(
            store.logo,
            width: 95.w,
            height: 95.h,
            fit: BoxFit.cover,
            errorSrc: "assets/image/default_1.png",
            fadeSrc: "assets/image/default_1.png",
          ),
          SizedBox(
            width: 12.w,
          ),
          Expanded(
            flex: 1,
            child: Container(
              height: 95.h,
              child: Column(
                mainAxisAlignment: MainAxisAlignment.spaceAround,
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    crossAxisAlignment: CrossAxisAlignment.center,
                    children: [
                      Expanded(
                        child: Text(
                          store.storeName,
                          overflow: TextOverflow.ellipsis,
                          style: TextStyle(
                            color: Colors.black,
                            fontSize: 16.sp,
                            fontWeight: FontWeight.bold,
                          ),
                        ),
                        flex: 1,
                      ),
                      Text(
                        store.businessType,
                        overflow: TextOverflow.ellipsis,
                        textAlign: TextAlign.end,
                        style: TextStyle(
                          color: Color(0xFFEDB12F),
                          fontSize: 14.sp,
                        ),
                      ),
                    ],
                  ),
                  SizedBox(
                    width: 4.w,
                  ),
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    crossAxisAlignment: CrossAxisAlignment.center,
                    children: [
                      Expanded(
                        child: Container(
                          child: Text(
                            store.couponVO == null
                                ? ""
                                : store.couponVO.bizType == 1
                                    ? S.of(context).manlijiandaijinquan(
                                        double.tryParse(
                                                store.couponVO.fullAmount)
                                            .toInt(),
                                        double.tryParse(
                                                store.couponVO.discountAmount)
                                            .toInt())
                                    : S.of(context).quanchangzhe(
                                        store.couponVO.discountPercent),
                            style: TextStyle(
                              color: Color(0xFFFF7A1A),
                              fontSize: 10.sp,
                            ),
                          ),
                        ),
                      ),
                      SizedBox(
                        width: 16.w,
                      ),
                      Text(
                        S.of(context).ren(
                            store == null ? "" : store.perCapitaConsumption),
                        style: TextStyle(
                          color: Color(0xFF353535),
                          fontSize: 12.sp,
                        ),
                      ),
                    ],
                  ),
                  Expanded(
                    child: Container(),
                    flex: 1,
                  ),
                  IconText(
                    store.address,
                    isMax: true,
                    overFlow: TextOverflow.ellipsis,
                    textStyle: TextStyle(
                      color: Color(0xFF727272),
                      fontSize: 12.sp,
                    ),
                    leftImage: "assets/image/icon_union_location_black.png",
                    iconSize: 14,
                  ),
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    crossAxisAlignment: CrossAxisAlignment.center,
                    children: [
                      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(":"))}",
                        textStyle: TextStyle(
                          color: Color(0xFF727272),
                          fontSize: 12.sp,
                        ),
                        leftImage: "assets/image/icon_union_time.png",
                        iconSize: 14,
                      ),
                      Visibility(
                        child: Text(
                          (store.distance ?? 0) > 1000
                              ? S.of(context).gongli(
                                  ((store.distance ?? 0) / 1000 * 100).toInt() /
                                      100.0)
                              : S.of(context).mi(
                                  ((store.distance ?? 0) * 100).toInt() /
                                      100.0),
                          style: TextStyle(
                            color: Color(0xFF4C4C4C),
                            fontSize: 12,
                          ),
                        ),
                        visible: store.distance != null,
                      ),
                    ],
                  ),
                ],
              ),
            ),
          )
        ],
      ),
    );
  }

  @override
  bool get wantKeepAlive => true;
}