firebase_auth_router 1.0.2

Navigate between unauthenticated and an authenticated screen easily with Firebase Auth.

example/lib/main.dart

import 'package:firebase_auth/firebase_auth.dart';
import 'package:firebase_auth_router/firebase_auth_router.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:flutter/material.dart';

import 'firebase_options.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(
    options: DefaultFirebaseOptions.currentPlatform,
  );

  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Firebase Auth Router Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: SafeArea(
        child: FirebaseAuthRouter(
          firebaseAuth: FirebaseAuth.instance,
          home: const HomePage(),
          loginPage: const LoginPage(),
          loadingWidget: const LoadingPage(),
        ),
      ),
    );
  }
}

class LoginPage extends StatefulWidget {
  const LoginPage({super.key});

  @override
  LoginPageState createState() => LoginPageState();
}

class LoginPageState extends State<LoginPage> {
  late String email = '[e-mail]';
  late String password = 'testuser';

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Login'),
      ),
      body: Center(
        child: Form(
          autovalidateMode: AutovalidateMode.onUnfocus,
          child: Column(
            children: [
              TextFormField(
                key: const Key('email'),
                initialValue: email,
                onChanged: (value) {
                  email = value;
                },
                validator: (value) {
                  if (value == null || value.isEmpty) {
                    return 'Please enter some text';
                  }
                  return null;
                },
                decoration: const InputDecoration(
                  labelText: 'Email',
                ),
              ),
              TextFormField(
                key: const Key('password'),
                initialValue: password,
                obscureText: true,
                validator: (value) {
                  if (value == null || value.isEmpty) {
                    return 'Please enter some text';
                  }
                  return null;
                },
                decoration: const InputDecoration(
                  labelText: 'Password',
                ),
                onChanged: (value) {
                  password = value;
                },
              ),
              ElevatedButton(
                onPressed: () {
                  FirebaseAuth.instance.signInWithEmailAndPassword(
                    email: email,
                    password: password,
                  );
                },
                child: const Text('Login'),
              ),
            ],
          ),
        ),
      ),
    );
  }
}

class LoadingPage extends StatelessWidget {
  const LoadingPage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Loading Page'),
      ),
      body: const Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text('Loading'),
          ],
        ),
      ),
    );
  }
}

class HomePage extends StatelessWidget {
  const HomePage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Home Page'),
      ),
      body: Center(
        child: ElevatedButton(
          onPressed: FirebaseAuth.instance.signOut,
          child: const Text('Sign out'),
        ),
      ),
    );
  }
}