@Override public void onGSignInSuccess(Person person) { Toast.makeText(this, "Google sign in success", Toast.LENGTH_SHORT).show(); Log.d("Person display name: ", person.getDisplayName() + ""); Log.d("Person birth date: ", person.getBirthday() + ""); Log.d("Person gender: ", person.getGender() + ""); Log.d("Person name: ", person.getName() + ""); Log.d("Person id: ", person.getImage() + ""); }