https://developers.google.com/android/reference/com/google/android/gms/common/GoogleApiAvailability?authuser=4
GoogleApiAvailability | Google Play services | Google for Developers
google play servicesdevelopers
https://developers-dot-devsite-v2-prod.appspot.com/android/reference/com/google/android/gms/common/GoogleApiAvailability?authuser=0
GoogleApiAvailability | Google Play services | Google for Developers
google play servicesdevelopers