import 'package:firebase_auth/firebase_auth.dart'; import 'package:google_sign_in/google_sign_in.dart'; import 'package:app_tracking_transparency/app_tracking_transparency.dart'; Future signInWithGoogle() async { final account = await GoogleSignIn().signIn(); final auth = await account!.authentication; await FirebaseAuth.instance.signInWithCredential(GoogleAuthProvider.credential(idToken: auth.idToken)); } Future signUp(String email, String password) => FirebaseAuth.instance.createUserWithEmailAndPassword(email: email, password: password); Future askTracking() => AppTrackingTransparency.requestTrackingAuthorization();