com.google.android.gms.common.api.ApiException: 16:

Question

I try to learn how i can use google sign in in my android App, but i catch com.google.android.gms.common.api.ApiException: 16 And i can\'t find on stackoveflow

Answer 1

Was having the same problem, turns out I did not set support mail on firebase project settings.

If this is the case, firebase will show you edit project settings when trying to enable Google sign in on Firebase Authentication. You can copy your client Id from firebase