covas_mobile/lib/locale_provider.dart

@@ -1,15 +1,34 @@
 import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 class LocaleProvider with ChangeNotifier {
+  static const _localeKey = 'locale_code';
+
   Locale _locale = const Locale('en');
 
   Locale get locale => _locale;
 
-  void setLocale(Locale locale) {
+  LocaleProvider() {
+    _loadLocale();
+  }
+
+  Future<void> _loadLocale() async {
+    final prefs = await SharedPreferences.getInstance();
+    final code = prefs.getString(_localeKey);
+    if (code != null && L10n.all.contains(Locale(code))) {
+      _locale = Locale(code);
+      notifyListeners();
+    }
+  }
+
+  void setLocale(Locale locale) async {
     if (!L10n.all.contains(locale)) return;
 
     _locale = locale;
     notifyListeners();
+
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString(_localeKey, locale.languageCode);
   }
 }
 

covas_mobile/lib/main.dart

@@ -26,7 +26,7 @@ class MyApp extends StatelessWidget {
     return MaterialApp(
       debugShowCheckedModeBanner: false,
       locale: localeProvider.locale, // <-- utilise la locale courante
-      supportedLocales: const [Locale('en'), Locale('fr'), Locale('de')],
+      supportedLocales: L10n.all,
       localizationsDelegates: AppLocalizations.localizationsDelegates,
       home: LoginDemo(),
     );