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