Files
reader-app/lib/features/auth/presentation/login_screen.dart
T

69 lines
2.3 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import '../../../app/router/route_names.dart';
import '../providers/auth_provider.dart';
class LoginScreen extends ConsumerWidget {
const LoginScreen({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final authState = ref.watch(authProvider);
ref.listen<AuthState>(authProvider, (_, next) {
if (next is AuthAuthenticated) {
context.go(RouteNames.home);
}
});
final isLoading = authState is AuthLoading;
final errorMsg = authState is AuthError ? authState.message : null;
return Scaffold(
body: SafeArea(
child: Center(
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 32),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(Icons.menu_book_rounded, size: 64),
const SizedBox(height: 20),
Text('Reader App', style: Theme.of(context).textTheme.headlineMedium),
const SizedBox(height: 8),
Text(
'Đọc truyện mọi lúc, mọi nơi',
style: Theme.of(context).textTheme.bodyLarge,
),
const SizedBox(height: 48),
if (errorMsg != null) ...[
Text(errorMsg, style: const TextStyle(color: Colors.red)),
const SizedBox(height: 16),
],
FilledButton.icon(
onPressed: isLoading
? null
: () => ref.read(authProvider.notifier).signInWithGoogle(),
icon: isLoading
? const SizedBox(
width: 18,
height: 18,
child: CircularProgressIndicator(strokeWidth: 2),
)
: const Icon(Icons.login),
label: const Text('Đăng nhập bằng Google'),
style: FilledButton.styleFrom(
minimumSize: const Size.fromHeight(52),
),
),
],
),
),
),
),
);
}
}