flutter firebase google auth
import 'package:firebase_auth/firebase_auth.dart';
import 'package:google_sign_in/google_sign_in.dart';
class GoogleAuth {
final FirebaseAuth _auth = FirebaseAuth.instance;
final GoogleSignIn googleSignIn = GoogleSignIn();
User getUser() {
return _auth.currentUser;
}
Future<String> getUserId() async {
final User user = _auth.currentUser;
final uid = user.uid;
return uid;
}
Future<User> signInWithGoogle() async {
final GoogleSignInAccount googleSignInAccount = await googleSignIn.signIn();
final GoogleSignInAuthentication googleSignInAuthentication =
await googleSignInAccount.authentication;
final AuthCredential credential = GoogleAuthProvider.credential(
accessToken: googleSignInAuthentication.accessToken,
idToken: googleSignInAuthentication.idToken,
);
final UserCredential authResult =
await _auth.signInWithCredential(credential);
final User user = authResult.user;
assert(!user.isAnonymous);
assert(await user.getIdToken() != null);
final User currentUser = _auth.currentUser;
assert(user.uid == currentUser.uid);
print('signInWithGoogle succeeded: $user');
return currentUser;
}
void signOutGoogle() async {
await googleSignIn.signOut();
print("User Sign Out");
}
}