Make sure that 'keytool' is on your PATH and openssl is installed
$ /bin/bash android-apk-hash-generator.sh <YOUR_ALIAS> <PATH_TO_KEYSTORE> <KEYSTORE_PASSWORD>
That's it!
perotta/android-apk-key-hash-generator
Generates the android:apk-key:hash needed on your trusted facets on app-id.json
ShellMIT