Robuta

https://developers.google.com/android/reference/com/google/android/gms/auth/api/signin/GoogleSignIn?authuser=0 GoogleSignIn | Google Play services | Google for Developers google play services developers https://developers.google.cn/identity/sign-in/ios/reference/Classes/GIDGoogleUser?authuser=5 GoogleSignIn Framework Reference | Sign in with Google for iOS | Google for Developers sign in with google framework reference for ios developers