Erweiterungen

lib/tools/app_localizations.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/material.dart';
 import 'package:stadtbote/tools/util.dart';
 
 enum AppLanguage {
@@ -33,12 +34,16 @@ class AppLocalizations {
 
   static const String _prefsLanguageKey = 'app_language';
 
+  // ValueNotifier für Sprachänderungen
+  final ValueNotifier<AppLanguage> languageNotifier = ValueNotifier<AppLanguage>(AppLanguage.german);
+
   AppLanguage _currentLanguage = AppLanguage.german;
 
   AppLanguage get currentLanguage => _currentLanguage;
 
   void setLanguage(AppLanguage language) {
     _currentLanguage = language;
+    languageNotifier.value = language;
     Util.preferencesSaveString(_prefsLanguageKey, language.code);
   }
 
@@ -46,6 +51,7 @@ class AppLocalizations {
     final savedCode = Util.preferencesGetString(_prefsLanguageKey, null);
     if (savedCode != null) {
       _currentLanguage = AppLanguage.fromCode(savedCode);
+      languageNotifier.value = _currentLanguage;
     }
   }
 

lib/tools/constants.dart

@@ -25,6 +25,7 @@ class Constants {
   static const String messageTopicRequestConnectionStatus = "request_connection_status";
   static const String messageTopicCurrentConnectionStatus = "current_connection_status";
   static const String messageTopicBWVEnabled = "bwv_enabled";
+  static const String messageTopicLanguageChanged = "language_changed";
 
   static const String messageShowPopup = "show_popup";
 

lib/tools/messages/language_changed_message.dart

@@ -0,0 +1,7 @@
+import 'package:stadtbote/tools/app_localizations.dart';
+
+class LanguageChangedMessage {
+  final AppLanguage newLanguage;
+
+  LanguageChangedMessage(this.newLanguage);
+}