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lib/generated/intl/messages_all.dart

@@ -11,6 +11,7 @@
 
 import 'dart:async';
 
+import 'package:flutter/foundation.dart';
 import 'package:intl/intl.dart';
 import 'package:intl/message_lookup_by_library.dart';
 import 'package:intl/src/intl_helpers.dart';
@@ -24,12 +25,12 @@ import 'messages_zh_TW.dart' as messages_zh_tw;
 
 typedef Future<dynamic> LibraryLoader();
 Map<String, LibraryLoader> _deferredLibraries = {
-  'en': () => new Future.value(null),
-  'en_US': () => new Future.value(null),
-  'zh_CN': () => new Future.value(null),
-  'zh_Hans_CN': () => new Future.value(null),
-  'zh_Hant_CN': () => new Future.value(null),
-  'zh_TW': () => new Future.value(null),
+  'en': () => new SynchronousFuture(null),
+  'en_US': () => new SynchronousFuture(null),
+  'zh_CN': () => new SynchronousFuture(null),
+  'zh_Hans_CN': () => new SynchronousFuture(null),
+  'zh_Hant_CN': () => new SynchronousFuture(null),
+  'zh_TW': () => new SynchronousFuture(null),
 };
 
 MessageLookupByLibrary _findExact(String localeName) {
@@ -52,19 +53,18 @@ MessageLookupByLibrary _findExact(String localeName) {
 }
 
 /// User programs should call this before using [localeName] for messages.
-Future<bool> initializeMessages(String localeName) async {
+Future<bool> initializeMessages(String localeName) {
   var availableLocale = Intl.verifiedLocale(
-    localeName,
-    (locale) => _deferredLibraries[locale] != null,
+      localeName, (locale) => _deferredLibraries[locale] != null,
       onFailure: (_) => null);
   if (availableLocale == null) {
-    return new Future.value(false);
+    return new SynchronousFuture(false);
   }
   var lib = _deferredLibraries[availableLocale];
-  await (lib == null ? new Future.value(false) : lib());
+  lib == null ? new SynchronousFuture(false) : lib();
   initializeInternalMessageLookup(() => new CompositeMessageLookup());
   messageLookup.addLocale(availableLocale, _findGeneratedMessagesFor);
-  return new Future.value(true);
+  return new SynchronousFuture(true);
 }
 
 bool _messagesExistFor(String locale) {
@@ -76,8 +76,8 @@ bool _messagesExistFor(String locale) {
 }
 
 MessageLookupByLibrary _findGeneratedMessagesFor(String locale) {
-  var actualLocale = Intl.verifiedLocale(locale, _messagesExistFor,
-      onFailure: (_) => null);
+  var actualLocale =
+      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 =
-    AppLocalizationDelegate();
+  static S get current {
+    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);
   }
 
@@ -7164,8 +7179,10 @@ class AppLocalizationDelegate extends LocalizationsDelegate<S> {
       Locale.fromSubtags(languageCode: 'en'),
       Locale.fromSubtags(languageCode: 'en', countryCode: 'US'),
       Locale.fromSubtags(languageCode: 'zh', countryCode: 'CN'),
-      Locale.fromSubtags(languageCode: 'zh', scriptCode: 'Hans', countryCode: 'CN'),
-      Locale.fromSubtags(languageCode: 'zh', scriptCode: 'Hant', countryCode: 'CN'),
+      Locale.fromSubtags(
+          languageCode: 'zh', scriptCode: 'Hans', countryCode: 'CN'),
+      Locale.fromSubtags(
+          languageCode: 'zh', scriptCode: 'Hant', countryCode: 'CN'),
       Locale.fromSubtags(languageCode: 'zh', countryCode: 'TW'),
     ];
   }
@@ -7178,13 +7195,11 @@ 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/home_page.dart

@@ -100,12 +100,12 @@ class HomePageState extends State<HomePage> with AutomaticKeepAliveClientMixin {
 
   ///活动海报弹窗
   posterShowAlertDialog(ActivityPos activityPos,firstLoginCouponList) {
-    var today = DateTime.now().day;
-    SharedPreferences.getInstance().then((value) {
-      if(value.getInt("today")==today && (value.getString("ActivityPosCode") ?? "").contains("${activityPos.code}_${value.getString("userId")};"))
-        return;
-      value.setString("ActivityPosCode", "${(value.getString("ActivityPosCode")??"")}${activityPos.code}_${value.getString("userId")};");
-      value.setInt("today", today);
+    // var today = DateTime.now().day;
+    // SharedPreferences.getInstance().then((value) {
+    //   if(value.getInt("today")==today && (value.getString("ActivityPosCode") ?? "").contains("${activityPos.code}_${value.getString("userId")};"))
+    //     return;
+    //   value.setString("ActivityPosCode", "${(value.getString("ActivityPosCode")??"")}${activityPos.code}_${value.getString("userId")};");
+    //   value.setInt("today", today);
       //显示对话框
       showDialog(
         context: context,
@@ -113,7 +113,7 @@ class HomePageState extends State<HomePage> with AutomaticKeepAliveClientMixin {
           return ActivityPoster(activityPos,firstLoginCouponList);
         },
       );
-    });
+    // });
   }
 
   ///推荐渠道弹窗