createFirebaseMainWithOnBoarding static method

Future<void> createFirebaseMainWithOnBoarding(
  1. String projectName
)

Implementation

static Future<void> createFirebaseMainWithOnBoarding(
    String projectName) async {
  // change the content of main.dart
  final File mainFile = File('lib/main.dart');
  mainFile.writeAsStringSync('''
import 'package:firebase_auth/firebase_auth.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:flutter/material.dart';
import 'package:$projectName/firebase_options.dart';
import 'package:$projectName/features/auth/ui/auth_screen.dart';
import 'package:$projectName/features/onBoarding/ui/on_boarding_screen.dart';
import 'package:$projectName/shared/nav_bar.dart';

void main() async {
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp(
  options: DefaultFirebaseOptions.currentPlatform,
);
SharedPreferences prefs = await SharedPreferences.getInstance();
bool hasSeenOnboarding = prefs.getBool('hasSeenOnboarding') ?? false;
runApp(ProviderScope(child: MyApp(hasSeenOnboarding: hasSeenOnboarding)));
}

class MyApp extends StatelessWidget {
final bool hasSeenOnboarding;
const MyApp({required this.hasSeenOnboarding, super.key});

@override
Widget build(BuildContext context) {
  return MaterialApp(
    debugShowCheckedModeBanner: false,
    theme: ThemeData(
      colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
      useMaterial3: true,
    ),
    home: !hasSeenOnboarding ? const OnBoardingScreen(): StreamBuilder<User?>(
      stream: FirebaseAuth.instance.authStateChanges(),
      builder: (BuildContext context, AsyncSnapshot snapshot) {
        if (snapshot.hasError) {
          return Text(snapshot.error.toString());
        }
        if (snapshot.connectionState == ConnectionState.active) {
          if (snapshot.data == null) {
            return const AuthScreen();
          } else {
            return const NavigationScreen();
          }
        }
        return const Center(
          child: CircularProgressIndicator(),
        );
      },
    ),
  );
}
}

''');
}