PlatformException (PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 12500: , null))
The OP, @Mircea, specifically mentioned error 12500. This is how I overcame that error: I have spent the last few days running into the same problem. I refactored my code dozens of times, added break points, reset the SHA-1, SHA-256 and did just about every other ‘code’ based solution I could find. I was constantly … Read more