Language Changes
This commit is contained in:
Nilanjan Chakrabarti
593
lib/app.dart
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593
lib/app.dart
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@@ -0,0 +1,593 @@
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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:kmobile/security/secure_storage.dart';
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import 'package:flutter_localizations/flutter_localizations.dart';
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import 'package:flutter_gen/gen_l10n/app_localizations.dart';
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import 'config/themes.dart';
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import 'config/routes.dart';
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import 'di/injection.dart';
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import 'features/auth/controllers/auth_cubit.dart';
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import 'features/card/screens/card_management_screen.dart';
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import 'features/auth/screens/welcome_screen.dart';
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import 'features/auth/screens/login_screen.dart';
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import 'features/service/screens/service_screen.dart';
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import 'features/dashboard/screens/dashboard_screen.dart';
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//import 'package:material_symbols_icons/material_symbols_icons.dart';
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import 'features/auth/screens/mpin_screen.dart';
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import 'package:local_auth/local_auth.dart';
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class KMobile extends StatefulWidget {
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const KMobile({super.key});
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@override
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State<KMobile> createState() => _KMobileState();
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static void setLocale(BuildContext context, Locale newLocale) {
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final _KMobileState? state =
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context.findAncestorStateOfType<_KMobileState>();
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state?.setLocale(newLocale);
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}
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}
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class _KMobileState extends State<KMobile> {
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bool _showSplash = false;
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@override
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void initState() {
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super.initState();
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// Simulate a splash screen delay
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Future.delayed(const Duration(seconds: 2), () {
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setState(() {
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_showSplash = false;
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});
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});
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}
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Locale? _locale;
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void setLocale(Locale locale) {
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setState(() {
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_locale = locale;
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});
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}
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/*
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@override
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Widget build(BuildContext context) {
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// Set status bar color
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SystemChrome.setSystemUIOverlayStyle(
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const SystemUiOverlayStyle(
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statusBarColor: Colors.transparent,
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statusBarIconBrightness: Brightness.dark,
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),
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);
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if (_showSplash) {
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return MaterialApp(
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debugShowCheckedModeBanner: false,
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locale: _locale,
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supportedLocales: const [
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Locale('en'),
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Locale('hi'),
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],
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localizationsDelegates: const [
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AppLocalizations.delegate,
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GlobalMaterialLocalizations.delegate,
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GlobalWidgetsLocalizations.delegate,
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GlobalCupertinoLocalizations.delegate,
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],
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home: const SplashScreen(),
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);
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}
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return MultiBlocProvider(
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providers: [
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BlocProvider<AuthCubit>(create: (_) => getIt<AuthCubit>()),
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],
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child: MaterialApp(
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title: 'kMobile',
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// debugShowCheckedModeBanner: false,
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theme: AppThemes.lightTheme,
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// darkTheme: AppThemes.darkTheme,
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themeMode: ThemeMode.system, // Use system theme by default
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onGenerateRoute: AppRoutes.generateRoute,
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initialRoute: AppRoutes.splash,
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home: const AuthGate(),
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),
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);
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}
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*/
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@override
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Widget build(BuildContext context) {
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// Set status bar color
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SystemChrome.setSystemUIOverlayStyle(
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const SystemUiOverlayStyle(
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statusBarColor: Colors.transparent,
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statusBarIconBrightness: Brightness.dark,
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),
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);
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return MultiBlocProvider(
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providers: [
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BlocProvider<AuthCubit>(create: (_) => getIt<AuthCubit>()),
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],
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child: MaterialApp(
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debugShowCheckedModeBanner: false,
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locale: _locale, // Use your existing locale variable
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supportedLocales: const [
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Locale('en'),
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Locale('hi'),
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],
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localizationsDelegates: const [
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AppLocalizations.delegate,
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GlobalMaterialLocalizations.delegate,
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GlobalWidgetsLocalizations.delegate,
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GlobalCupertinoLocalizations.delegate,
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],
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title: 'kMobile',
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theme: AppThemes.lightTheme,
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// darkTheme: AppThemes.darkTheme,
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themeMode: ThemeMode.system, // Use system theme by default
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onGenerateRoute: AppRoutes.generateRoute,
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initialRoute: AppRoutes.splash,
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home: _showSplash ? const SplashScreen() : const AuthGate(),
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),
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);
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}
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}
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class AuthGate extends StatefulWidget {
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const AuthGate({super.key});
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@override
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State<AuthGate> createState() => _AuthGateState();
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}
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class _AuthGateState extends State<AuthGate> {
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bool _checking = true;
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bool _isLoggedIn = false;
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bool _showWelcome = true;
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bool _hasMPin = false;
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bool _biometricEnabled = false;
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bool _biometricTried = false;
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@override
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void initState() {
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super.initState();
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_checkAuth();
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}
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Future<void> _checkAuth() async {
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final storage = getIt<SecureStorage>();
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final accessToken = await storage.read('access_token');
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final accessTokenExpiry = await storage.read('token_expiry');
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final mpin = await storage.read('mpin');
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final biometric = await storage.read('biometric_enabled');
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setState(() {
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_isLoggedIn = accessToken != null &&
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accessTokenExpiry != null &&
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DateTime.parse(accessTokenExpiry).isAfter(DateTime.now());
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_hasMPin = mpin != null;
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_biometricEnabled = biometric == 'true';
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_checking = false;
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});
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}
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Future<bool> _tryBiometric() async {
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if (_biometricTried) return false;
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_biometricTried = true;
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final localAuth = LocalAuthentication();
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final canCheck = await localAuth.canCheckBiometrics;
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if (!canCheck) return false;
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try {
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final didAuth = await localAuth.authenticate(
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localizedReason: 'Authenticate to access kMobile',
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options: const AuthenticationOptions(
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stickyAuth: true,
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biometricOnly: true,
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),
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);
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return didAuth;
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} catch (_) {
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return false;
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}
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}
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/* @override
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Widget build(BuildContext context) {
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if (_checking) {
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return const SplashScreen();
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}
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if (_isLoggedIn) {
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if (_hasMPin) {
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if (_biometricEnabled) {
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return FutureBuilder<bool>(
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future: _tryBiometric(),
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builder: (context, snapshot) {
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if (snapshot.connectionState == ConnectionState.waiting) {
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return const SplashScreen();
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}
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if (snapshot.data == true) {
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// Authenticated with biometrics, go to dashboard
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return const NavigationScaffold();
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}
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// If not authenticated or user dismissed, show mPIN screen
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return MPinScreen(
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mode: MPinMode.enter,
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onCompleted: (_) {
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Navigator.of(context).pushReplacement(
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MaterialPageRoute(
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builder: (_) => const NavigationScaffold()),
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);
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},
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);
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},
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);
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} else {
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return MPinScreen(
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mode: MPinMode.enter,
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onCompleted: (_) {
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Navigator.of(context).pushReplacement(
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MaterialPageRoute(builder: (_) => const NavigationScaffold()),
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);
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},
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);
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}
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} else {
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return MPinScreen(
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mode: MPinMode.set,
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onCompleted: (_) async {
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final storage = getIt<SecureStorage>();
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final localAuth = LocalAuthentication();
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// 1) Prompt user to opt‐in for biometric
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final optIn = await showDialog<bool>(
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context: context,
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barrierDismissible: false, // force choice
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builder: (ctx) => AlertDialog(
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title: const Text('Enable Fingerprint Login?'),
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content: const Text(
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'Would you like to enable fingerprint authentication for faster login?',
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(ctx).pop(false),
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child: const Text('No'),
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),
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TextButton(
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onPressed: () => Navigator.of(ctx).pop(true),
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child: const Text('Yes'),
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),
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],
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),
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);
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// 2) If opted in, perform biometric auth
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if (optIn == true) {
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final canCheck = await localAuth.canCheckBiometrics;
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bool didAuth = false;
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if (canCheck) {
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didAuth = await localAuth.authenticate(
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localizedReason: 'Authenticate to enable fingerprint login',
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options: const AuthenticationOptions(
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stickyAuth: true,
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biometricOnly: true,
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),
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);
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}
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await storage.write(
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'biometric_enabled', didAuth ? 'true' : 'false');
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} else {
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await storage.write('biometric_enabled', 'false');
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}
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// 3) Finally go to your main scaffold
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Navigator.of(context).pushReplacement(
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MaterialPageRoute(builder: (_) => const NavigationScaffold()),
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);
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},
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);
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}
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}
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return const LoginScreen();
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}
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}*/
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@override
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Widget build(BuildContext context) {
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if (_checking) {
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return const SplashScreen();
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}
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if (_isLoggedIn) {
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if (_hasMPin) {
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if (_biometricEnabled) {
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return FutureBuilder<bool>(
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future: _tryBiometric(),
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builder: (context, snapshot) {
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if (snapshot.connectionState == ConnectionState.waiting) {
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return const SplashScreen();
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}
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if (snapshot.data == true) {
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return const NavigationScaffold(); // Authenticated
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}
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// Failed or dismissed biometric → Show MPIN
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return MPinScreen(
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mode: MPinMode.enter,
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onCompleted: (_) {
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Navigator.of(context).pushReplacement(
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MaterialPageRoute(
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builder: (_) => const NavigationScaffold(),
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),
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);
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},
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);
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},
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);
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} else {
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return MPinScreen(
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mode: MPinMode.enter,
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onCompleted: (_) {
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Navigator.of(context).pushReplacement(
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MaterialPageRoute(
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builder: (_) => const NavigationScaffold(),
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),
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);
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},
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);
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}
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} else {
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return MPinScreen(
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mode: MPinMode.set,
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onCompleted: (_) async {
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final storage = getIt<SecureStorage>();
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final localAuth = LocalAuthentication();
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final optin = await showDialog<bool>(
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context: context,
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barrierDismissible: false,
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builder: (ctx) => AlertDialog(
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title: const Text('Enable Fingerprint Login?'),
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content: const Text(
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'Would you like to enable fingerprint authentication for faster login?',
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(ctx).pop(false),
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child: const Text('No'),
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),
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TextButton(
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onPressed: () => Navigator.of(ctx).pop(true),
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child: const Text('Yes'),
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),
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],
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),
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);
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if (optin == true) {
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final canCheck = await localAuth.canCheckBiometrics;
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bool didAuth = false;
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if (canCheck) {
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didAuth = await localAuth.authenticate(
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localizedReason: 'Authenticate to enable fingerprint login.',
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options: const AuthenticationOptions(
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stickyAuth: true,
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biometricOnly: true,
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),
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);
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}
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await storage.write(
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'biometric_enabled',
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didAuth ? 'true' : 'false',
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);
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} else {
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await storage.write('biometric_enabled', 'false');
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}
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Navigator.of(context).pushReplacement(
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MaterialPageRoute(
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builder: (_) => const NavigationScaffold(),
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),
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);
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},
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);
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}
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}
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// 🔻 Show Welcome screen before login if not logged in
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if (_showWelcome) {
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return WelcomeScreen(
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onContinue: () {
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setState(() {
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_showWelcome = false;
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});
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},
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);
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}
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return const LoginScreen();
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}
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}
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class NavigationScaffold extends StatefulWidget {
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const NavigationScaffold({super.key});
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@override
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State<NavigationScaffold> createState() => _NavigationScaffoldState();
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}
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class _NavigationScaffoldState extends State<NavigationScaffold> {
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final PageController _pageController = PageController();
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int _selectedIndex = 0;
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final List<Widget> _pages = [
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const DashboardScreen(),
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const CardManagementScreen(),
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const ServiceScreen(),
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];
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void _onItemTapped(int index) {
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setState(() {
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_selectedIndex = index;
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});
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_pageController.jumpToPage(index);
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}
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@override
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Widget build(BuildContext context) {
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return PopScope(
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canPop: false,
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onPopInvokedWithResult: (didPop, result) async {
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if (!didPop) {
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final shouldExit = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Exit App'),
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content: const Text('Do you really want to exit?'),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(false),
|
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child: const Text('No'),
|
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),
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TextButton(
|
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onPressed: () => Navigator.of(context).pop(true),
|
||||
child: const Text('Yes'),
|
||||
),
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||||
],
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||||
),
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||||
);
|
||||
if (shouldExit == true) {
|
||||
if (Platform.isAndroid) {
|
||||
SystemNavigator.pop();
|
||||
}
|
||||
exit(0);
|
||||
}
|
||||
}
|
||||
},
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||||
child: Scaffold(
|
||||
body: PageView(
|
||||
controller: _pageController,
|
||||
physics: const NeverScrollableScrollPhysics(),
|
||||
children: _pages,
|
||||
),
|
||||
bottomNavigationBar: BottomNavigationBar(
|
||||
currentIndex: _selectedIndex,
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||||
type: BottomNavigationBarType.fixed,
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backgroundColor: const Color(0xFFE0F7FA), // Light blue background
|
||||
selectedItemColor: Colors.blue[800],
|
||||
unselectedItemColor: Colors.black54,
|
||||
onTap: _onItemTapped,
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items: [
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||||
BottomNavigationBarItem(
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||||
icon: const Icon(Icons.home_filled),
|
||||
label: AppLocalizations.of(context).home,
|
||||
),
|
||||
BottomNavigationBarItem(
|
||||
icon: const Icon(Icons.credit_card),
|
||||
label: AppLocalizations.of(context).card,
|
||||
),
|
||||
BottomNavigationBarItem(
|
||||
icon: const Icon(Icons.miscellaneous_services),
|
||||
label: AppLocalizations.of(context).services,
|
||||
),
|
||||
]),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class SplashScreen extends StatelessWidget {
|
||||
const SplashScreen({super.key});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
body: Center(
|
||||
child: Column(
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: [
|
||||
const CircularProgressIndicator(),
|
||||
const SizedBox(height: 20),
|
||||
Text('Loading...',
|
||||
style: Theme.of(context).textTheme.headlineMedium),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
// Add this widget at the end of the file
|
||||
class BiometricPromptScreen extends StatelessWidget {
|
||||
final VoidCallback onCompleted;
|
||||
const BiometricPromptScreen({super.key, required this.onCompleted});
|
||||
|
||||
Future<void> _handleBiometric(BuildContext context) async {
|
||||
final localAuth = LocalAuthentication();
|
||||
final canCheck = await localAuth.canCheckBiometrics;
|
||||
if (!canCheck) {
|
||||
onCompleted();
|
||||
return;
|
||||
}
|
||||
final didAuth = await localAuth.authenticate(
|
||||
localizedReason: 'Enable fingerprint authentication for quick login?',
|
||||
options: const AuthenticationOptions(
|
||||
stickyAuth: true,
|
||||
biometricOnly: true,
|
||||
),
|
||||
);
|
||||
final storage = getIt<SecureStorage>();
|
||||
if (didAuth) {
|
||||
await storage.write('biometric_enabled', 'true');
|
||||
} else {
|
||||
await storage.write('biometric_enabled', 'false');
|
||||
}
|
||||
onCompleted();
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
Future.microtask(() => _showDialog(context));
|
||||
return const SplashScreen();
|
||||
}
|
||||
|
||||
Future<void> _showDialog(BuildContext context) async {
|
||||
final result = await showDialog<bool>(
|
||||
context: context,
|
||||
barrierDismissible: true,
|
||||
builder: (ctx) => AlertDialog(
|
||||
title: const Text('Enable Fingerprint Login?'),
|
||||
content: const Text(
|
||||
'Would you like to enable fingerprint authentication for faster login?'),
|
||||
actions: [
|
||||
TextButton(
|
||||
onPressed: () {
|
||||
Navigator.of(ctx).pop(false);
|
||||
},
|
||||
child: const Text('No'),
|
||||
),
|
||||
TextButton(
|
||||
onPressed: () {
|
||||
Navigator.of(ctx).pop(true);
|
||||
},
|
||||
child: const Text('Yes'),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
if (result == true) {
|
||||
await _handleBiometric(context);
|
||||
} else {
|
||||
final storage = getIt<SecureStorage>();
|
||||
await storage.write('biometric_enabled', 'false');
|
||||
onCompleted();
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user