Flutter Auth Experiments

auth1.dart

import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_app_check/firebase_app_check.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp();
  await FirebaseAppCheck.instance.activate(
    // Default provider for Android is the Play Integrity provider. You can use the "AndroidProvider" enum to choose
    // your preferred provider. Choose from:
    // 1. Debug provider
    // 2. Safety Net provider
    // 3. Play Integrity provider
    androidProvider: AndroidProvider.debug,
  );
}

try {
  User? auth = FirebaseAuth.instance.currentUser;

  if(provider.password.text.isEmpty || provider.email.text.isEmpty){
    reAuthenticationDialogBox(context: context);
  } else if(auth != null){
    await FirebaseAuth.instance.signInWithEmailAndPassword(
      email: provider.email.text,
      password: provider.password.text,
    );
  }else{
    reAuthenticationDialogBox(context: context);
  }
} on FirebaseAuthMultiFactorException catch (e) {
  final session = e.resolver.session;
  final hint = e.resolver.hints.first;

  await FirebaseAuth.instance.verifyPhoneNumber(
    multiFactorSession: session,
    multiFactorInfo: hint,
    verificationCompleted: (_) {},
    verificationFailed: (e) {
      print("verification Failed $e");
    },
    codeSent: (String verificationId, int? resendToken) async {},
    codeAutoRetrievalTimeout: (_) {},
    timeout: Duration(seconds: 120),
  );

} catch (e) {
  print("Catch $e");
}