Anyone How To fix This Error when I try to click Login button on my app
show this error
import 'package:firebase_auth/firebase_auth.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:flutter/material.dart';
import 'firebase_options.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp(options: DefaultFirebaseOptions.android);
var email = 'sdf@gmail.com';
var password = 'sdf';
final FirebaseAuth auth = FirebaseAuth.instanceFor(app: Firebase.app());
await auth.signInWithEmailAndPassword(email: email, password: password);
if (auth != null) {
print('success');
} else {
print('error');
}
}