sign in not working in real device after downloading from playstore

[kroikie]

From @imsabin on June 15, 2016 3:22

implemented this sample code, it works in test device, however google sign in stucks in real device downloaded from playstore. is there any changes to be made for final app. implemented as per tutorial given though.

Copied from original issue: firebase/codelab-friendlychat-web#52

[kroikie]

Please be sure to add the SHA1 from the keystore used to sign the release version of the app to the Firebase console. If this is missing then auth for the store would not work.