Google Sign-in Developer Error

  less than a minute  

Resolving google sign-in error:

Status{statusCode=DEVELOPER_ERROR, resolution=null}

Follow these steps:

  1. Go to play console: https://play.google.com/apps/publish/
  2. Go to “Release Management” -> “App signing”
  3. Copy the SHA1 from “App signing certificate” -> “SHA-1 certificate fingerprint”
  4. Go to Firebase console: https://console.firebase.google.com
  5. Select project -> Project Settings -> Select App
  6. Click “Add Fingerprint”
  7. Paste the SHA1 copied in the previous steps.