Shared Preferences implementation

2025-07-30 12:50:11 +05:30
parent ee3961215a
commit 618bd4a9b9
8 changed files with 156 additions and 125 deletions
--- a/lib/app.dart
+++ b/lib/app.dart
@@ -16,6 +16,7 @@ import 'features/service/screens/service_screen.dart';
 import 'features/dashboard/screens/dashboard_screen.dart';
 import 'features/auth/screens/mpin_screen.dart';
 import 'package:local_auth/local_auth.dart';
+import 'package:shared_preferences/shared_preferences.dart';

 class KMobile extends StatefulWidget {
  const KMobile({super.key});
@@ -24,18 +25,19 @@ class KMobile extends StatefulWidget {
  State<KMobile> createState() => _KMobileState();

  static void setLocale(BuildContext context, Locale newLocale) {
-    final _KMobileState? state = context
-        .findAncestorStateOfType<_KMobileState>();
+    final _KMobileState? state = context.findAncestorStateOfType<_KMobileState>();
    state?.setLocale(newLocale);
  }
 }

 class _KMobileState extends State<KMobile> {
  bool _showSplash = false;
+   Locale? _locale;

  @override
  void initState() {
    super.initState();
+    _loadLocale();
    // Simulate a splash screen delay
    Future.delayed(const Duration(seconds: 2), () {
      setState(() {
@@ -44,8 +46,17 @@ class _KMobileState extends State<KMobile> {
    });
  }

-  Locale? _locale;
+  Future<void> _loadLocale() async{
+   final prefs = await SharedPreferences.getInstance();
+    final String? langCode = prefs.getString('locale');
+    if (langCode != null) {
+      setState(() {
+        _locale = Locale(langCode);
+      });
+    }
+  }

+  
  void setLocale(Locale locale) {
    setState(() {
      _locale = locale;
@@ -101,38 +112,43 @@ class _KMobileState extends State<KMobile> {
  }
  */

-  @override
-  Widget build(BuildContext context) {
-    // Set status bar color
-    SystemChrome.setSystemUIOverlayStyle(
-      const SystemUiOverlayStyle(
-        statusBarColor: Colors.transparent,
-        statusBarIconBrightness: Brightness.dark,
-      ),
-    );
+@override
+Widget build(BuildContext context) {
+  // Set status bar color
+  SystemChrome.setSystemUIOverlayStyle(
+    const SystemUiOverlayStyle(
+      statusBarColor: Colors.transparent,
+      statusBarIconBrightness: Brightness.dark,
+    ),
+  );

-    return MultiBlocProvider(
-      providers: [BlocProvider<AuthCubit>(create: (_) => getIt<AuthCubit>())],
-      child: MaterialApp(
-        debugShowCheckedModeBanner: false,
-        locale: _locale, // Use your existing locale variable
-        supportedLocales: const [Locale('en'), Locale('hi')],
-        localizationsDelegates: const [
-          AppLocalizations.delegate,
-          GlobalMaterialLocalizations.delegate,
-          GlobalWidgetsLocalizations.delegate,
-          GlobalCupertinoLocalizations.delegate,
-        ],
-        title: 'kMobile',
-        theme: AppThemes.lightTheme,
-        // darkTheme: AppThemes.darkTheme,
-        themeMode: ThemeMode.system, // Use system theme by default
-        onGenerateRoute: AppRoutes.generateRoute,
-        initialRoute: AppRoutes.splash,
-        home: _showSplash ? const SplashScreen() : const AuthGate(),
-      ),
-    );
-  }
+  return MultiBlocProvider(
+    providers: [
+      BlocProvider<AuthCubit>(create: (_) => getIt<AuthCubit>()),
+    ],
+    child: MaterialApp(
+      debugShowCheckedModeBanner: false,
+      locale: _locale, // Dynamic locale
+      supportedLocales: const [
+        Locale('en'),
+        Locale('hi'),
+      ],
+      localizationsDelegates: const [
+        AppLocalizations.delegate,
+        GlobalMaterialLocalizations.delegate,
+        GlobalWidgetsLocalizations.delegate,
+        GlobalCupertinoLocalizations.delegate,
+      ],
+      title: 'kMobile',
+      theme: AppThemes.lightTheme,
+      // darkTheme: AppThemes.darkTheme,
+      themeMode: ThemeMode.system,
+      onGenerateRoute: AppRoutes.generateRoute,
+      initialRoute: AppRoutes.splash,
+      home: _showSplash ? const SplashScreen() : const AuthGate(),
+    ),
+  );
+}
 }

 class AuthGate extends StatefulWidget {
--- a/lib/config/themes.dart
+++ b/lib/config/themes.dart
@@ -116,7 +116,7 @@ class AppThemes {
      foregroundColor: Color(0xFF212121),
      centerTitle: true,
    ),
-    cardTheme: CardThemeData(
+    cardTheme: CardTheme(
      //Earlier CardThemeData
      elevation: 2,
      shape: RoundedRectangleBorder(
@@ -200,7 +200,7 @@ class AppThemes {
      foregroundColor: Colors.white,
      centerTitle: true,
    ),
-    cardTheme: CardThemeData(
+    cardTheme: CardTheme(
      //Earlier was CardThemeData
      elevation: 2,
      shape: RoundedRectangleBorder(
--- a/lib/features/profile/preferences/language_dialog.dart
+++ b/lib/features/profile/preferences/language_dialog.dart
@@ -1,8 +1,9 @@
 import 'package:flutter/material.dart';
 import '../../../l10n/app_localizations.dart';
 import 'package:kmobile/app.dart';
+import 'package:shared_preferences/shared_preferences.dart';

-class LanguageDialog extends StatelessWidget {
+/*class LanguageDialog extends StatelessWidget {
  const LanguageDialog({super.key});

  String getLocaleName(AppLocalizations localizations, String code) {
@@ -47,3 +48,37 @@ class LanguageDialog extends StatelessWidget {
    );
  }
 }
+*/
+
+class LanguageDialog extends StatelessWidget {
+  const LanguageDialog({Key? key}) : super(key: key);
+
+  Future<void> _setLocale(BuildContext context, String langCode) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString('locale', langCode); // Save selected language
+    KMobile.setLocale(context, Locale(langCode)); // Update locale in app
+    Navigator.of(context).pop(); // Close the dialog
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: Text(AppLocalizations.of(context).selectLanguage),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          ListTile(
+            leading: const Icon(Icons.language),
+            title: const Text('English'),
+            onTap: () => _setLocale(context, 'en'),
+          ),
+          ListTile(
+            leading: const Icon(Icons.language),
+            title: const Text('हिन्दी'),
+            onTap: () => _setLocale(context, 'hi'),
+          ),
+        ],
+      ),
+    );
+  }
+}
--- a/lib/l10n/app_hi.arb
+++ b/lib/l10n/app_hi.arb
@@ -218,6 +218,6 @@
  "enterMPIN": "अपना mPIN दर्ज करें",
  "setMPIN": "अपना mPIN सेट करें",
  "confirmMPIN": "अपना mPIN की पुष्टि करें",
-  "kconnect": "केकनेक्ट",
+  "kconnect": "के-कनेक्ट",
  "kccBankFull": "कांगड़ा सेंट्रल को-ऑपरेटिव बैंक"
 }
--- a/lib/l10n/app_localizations.dart
+++ b/lib/l10n/app_localizations.dart
@@ -62,8 +62,7 @@ import 'app_localizations_hi.dart';
 /// be consistent with the languages listed in the AppLocalizations.supportedLocales
 /// property.
 abstract class AppLocalizations {
-  AppLocalizations(String locale)
-      : localeName = intl.Intl.canonicalizedLocale(locale.toString());
+  AppLocalizations(String locale) : localeName = intl.Intl.canonicalizedLocale(locale.toString());

  final String localeName;

@@ -71,8 +70,7 @@ abstract class AppLocalizations {
    return Localizations.of<AppLocalizations>(context, AppLocalizations)!;
  }

-  static const LocalizationsDelegate<AppLocalizations> delegate =
-      _AppLocalizationsDelegate();
+  static const LocalizationsDelegate<AppLocalizations> delegate = _AppLocalizationsDelegate();

  /// A list of this localizations delegate along with the default localizations
  /// delegates.
@@ -84,8 +82,7 @@ abstract class AppLocalizations {
  /// Additional delegates can be added by appending to this list in
  /// MaterialApp. This list does not have to be used at all if a custom list
  /// of delegates is preferred or required.
-  static const List<LocalizationsDelegate<dynamic>> localizationsDelegates =
-      <LocalizationsDelegate<dynamic>>[
+  static const List<LocalizationsDelegate<dynamic>> localizationsDelegates = <LocalizationsDelegate<dynamic>>[
    delegate,
    GlobalMaterialLocalizations.delegate,
    GlobalCupertinoLocalizations.delegate,
@@ -1347,8 +1344,7 @@ abstract class AppLocalizations {
  String get kccBankFull;
 }

-class _AppLocalizationsDelegate
-    extends LocalizationsDelegate<AppLocalizations> {
+class _AppLocalizationsDelegate extends LocalizationsDelegate<AppLocalizations> {
  const _AppLocalizationsDelegate();

  @override
@@ -1357,25 +1353,25 @@ class _AppLocalizationsDelegate
  }

  @override
-  bool isSupported(Locale locale) =>
-      <String>['en', 'hi'].contains(locale.languageCode);
+  bool isSupported(Locale locale) => <String>['en', 'hi'].contains(locale.languageCode);

  @override
  bool shouldReload(_AppLocalizationsDelegate old) => false;
 }

 AppLocalizations lookupAppLocalizations(Locale locale) {
+
+
  // Lookup logic when only language code is specified.
  switch (locale.languageCode) {
-    case 'en':
-      return AppLocalizationsEn();
-    case 'hi':
-      return AppLocalizationsHi();
+    case 'en': return AppLocalizationsEn();
+    case 'hi': return AppLocalizationsHi();
  }

  throw FlutterError(
-      'AppLocalizations.delegate failed to load unsupported locale "$locale". This is likely '
-      'an issue with the localizations generation tool. Please file an issue '
-      'on GitHub with a reproducible sample app and the gen-l10n configuration '
-      'that was used.');
+    'AppLocalizations.delegate failed to load unsupported locale "$locale". This is likely '
+    'an issue with the localizations generation tool. Please file an issue '
+    'on GitHub with a reproducible sample app and the gen-l10n configuration '
+    'that was used.'
+  );
 }
--- a/lib/l10n/app_localizations_en.dart
+++ b/lib/l10n/app_localizations_en.dart
@@ -1,5 +1,3 @@
-// ignore: unused_import
-import 'package:intl/intl.dart' as intl;
 import 'app_localizations.dart';

 // ignore_for_file: type=lint
@@ -488,8 +486,7 @@ class AppLocalizationsEn extends AppLocalizations {
  String get otpVerification => 'OTP Verification';

  @override
-  String get otpSentMessage =>
-      'Enter the 4-digit OTP sent to your mobile number';
+  String get otpSentMessage => 'Enter the 4-digit OTP sent to your mobile number';

  @override
  String get verifyOtp => 'Verify OTP';
@@ -507,15 +504,13 @@ class AppLocalizationsEn extends AppLocalizations {
  String get tpinRequired => 'TPIN Required';

  @override
-  String get tpinRequiredMessage =>
-      'You need to set your TPIN to continue with secure transactions';
+  String get tpinRequiredMessage => 'You need to set your TPIN to continue with secure transactions';

  @override
  String get setTpinTitle => 'Set TPIN';

  @override
-  String get tpinInfo =>
-      'Your TPIN is a 6-digit code used to authorize transactions. Keep it safe and do not share it with anyone.';
+  String get tpinInfo => 'Your TPIN is a 6-digit code used to authorize transactions. Keep it safe and do not share it with anyone.';

  @override
  String get tpinFailed => 'Failed to set TPIN. Please try again.';
@@ -569,8 +564,7 @@ class AppLocalizationsEn extends AppLocalizations {
  String get enableFingerprintLogin => 'Enable Fingerprint Login?';

  @override
-  String get enableFingerprintMessage =>
-      'Would you like to enable fingerprint authentication for faster login?';
+  String get enableFingerprintMessage => 'Would you like to enable fingerprint authentication for faster login?';

  @override
  String get no => 'No';
@@ -591,8 +585,7 @@ class AppLocalizationsEn extends AppLocalizations {
  String get loading => 'Loading......';

  @override
-  String get enableFingerprintQuick =>
-      'Enable fingerprint authentication for quick login?';
+  String get enableFingerprintQuick => 'Enable fingerprint authentication for quick login?';

  @override
  String get kccb => 'KCCB';
--- a/lib/l10n/app_localizations_hi.dart
+++ b/lib/l10n/app_localizations_hi.dart
@@ -1,5 +1,3 @@
-// ignore: unused_import
-import 'package:intl/intl.dart' as intl;
 import 'app_localizations.dart';

 // ignore_for_file: type=lint
@@ -54,8 +52,7 @@ class AppLocalizationsHi extends AppLocalizations {
  String get enableBiometric => 'बायोमेट्रिक प्रमाणीकरण सक्षम करें';

  @override
-  String get useBiometricPrompt =>
-      'तेज़ लॉगिन के लिए फिंगरप्रिंट/फेस आईडी का उपयोग करें?';
+  String get useBiometricPrompt => 'तेज़ लॉगिन के लिए फिंगरप्रिंट/फेस आईडी का उपयोग करें?';

  @override
  String get later => 'बाद में';
@@ -489,8 +486,7 @@ class AppLocalizationsHi extends AppLocalizations {
  String get otpVerification => 'ओटीपी सत्यापन';

  @override
-  String get otpSentMessage =>
-      'अपने मोबाइल नंबर पर भेजा गया 4-अंकों का ओटीपी दर्ज करें';
+  String get otpSentMessage => 'अपने मोबाइल नंबर पर भेजा गया 4-अंकों का ओटीपी दर्ज करें';

  @override
  String get verifyOtp => 'ओटीपी सत्यापित करें';
@@ -508,15 +504,13 @@ class AppLocalizationsHi extends AppLocalizations {
  String get tpinRequired => 'टी-पिन आवश्यक है';

  @override
-  String get tpinRequiredMessage =>
-      'सुरक्षित लेनदेन के लिए टी-पिन सेट करना आवश्यक है';
+  String get tpinRequiredMessage => 'सुरक्षित लेनदेन के लिए टी-पिन सेट करना आवश्यक है';

  @override
  String get setTpinTitle => 'टी-पिन सेट करें';

  @override
-  String get tpinInfo =>
-      'आपका टी-पिन 6 अंकों का कोड है जिसका उपयोग लेन-देन को प्रमाणित करने के लिए किया जाता है। इसे सुरक्षित रखें और किसी से साझा न करें।';
+  String get tpinInfo => 'आपका टी-पिन 6 अंकों का कोड है जिसका उपयोग लेन-देन को प्रमाणित करने के लिए किया जाता है। इसे सुरक्षित रखें और किसी से साझा न करें।';

  @override
  String get tpinFailed => 'टी-पिन सेट करने में विफल। कृपया पुनः प्रयास करें।';
@@ -570,8 +564,7 @@ class AppLocalizationsHi extends AppLocalizations {
  String get enableFingerprintLogin => 'फिंगरप्रिंट लॉगिन सक्षम करें?';

  @override
-  String get enableFingerprintMessage =>
-      'क्या आप तेज लॉगिन के लिए फिंगरप्रिंट प्रमाणीकरण सक्षम करना चाहेंगे?';
+  String get enableFingerprintMessage => 'क्या आप तेज लॉगिन के लिए फिंगरप्रिंट प्रमाणीकरण सक्षम करना चाहेंगे?';

  @override
  String get no => 'नहीं';
@@ -580,8 +573,7 @@ class AppLocalizationsHi extends AppLocalizations {
  String get yes => 'हाँ';

  @override
-  String get authenticateToEnable =>
-      'फिंगरप्रिंट लॉगिन सक्षम करने के लिए प्रमाणीकरण करें';
+  String get authenticateToEnable => 'फिंगरप्रिंट लॉगिन सक्षम करने के लिए प्रमाणीकरण करें';

  @override
  String get exitApp => 'ऐप बंद करें';
@@ -593,8 +585,7 @@ class AppLocalizationsHi extends AppLocalizations {
  String get loading => 'लोड हो रहा है......';

  @override
-  String get enableFingerprintQuick =>
-      'तेज़ लॉगिन के लिए फिंगरप्रिंट प्रमाणीकरण सक्षम करें?';
+  String get enableFingerprintQuick => 'तेज़ लॉगिन के लिए फिंगरप्रिंट प्रमाणीकरण सक्षम करें?';

  @override
  String get kccb => 'केसीसीबी';
@@ -636,7 +627,7 @@ class AppLocalizationsHi extends AppLocalizations {
  String get confirmMPIN => 'अपना mPIN की पुष्टि करें';

  @override
-  String get kconnect => 'केकनेक्ट';
+  String get kconnect => 'के-कनेक्ट';

  @override
  String get kccBankFull => 'कांगड़ा सेंट्रल को-ऑपरेटिव बैंक';