Get the SHA-1 fingerprint of the certificate
* To get the release certificate fingerprint:
keytool -exportcert -list -v \ -alias <your-key-name> -keystore <path-to-production-keystore>
* To get the debug certificate fingerprint:
keytool -exportcert -list -v \ -alias androiddebugkey -keystore ~/.android/debug.keystore
* Example:
/usr/local/java/jdk1.8.0_112/jre/bin$ ./keytool -exportcert -list -v -alias androiddebugkey -keystore ~/.android/debug.keystore