how To get the release certificate fingerprint: code example
Example: how To get the release certificate fingerprint:
$ keytool -exportcert -alias androiddebugkey -keystore C:/Users/< YOUR USERNAME >/.android/debug.keystore -list -v
$ keytool -exportcert -alias androiddebugkey -keystore C:/Users/< YOUR USERNAME >/.android/debug.keystore -list -v