Google Sign In throws an exception com.google.android.gms.common.api.ApiException: 12500
问题 I have a simple application written in Android, where I want to do Google Sign and then Firebase Authentication. I copy paste the code from official page. val gso = GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN) .requestIdToken(getString(R.string.default_web_client_id)) .requestEmail() .build() if (requestCode == REQUEST_CODE_GOOGLE_SIGN_IN) { val task = GoogleSignIn.getSignedInAccountFromIntent(data) try { // Google Sign In was successful, authenticate with Firebase val