Following the steps in the tutorial for Cloud Endpoints but there is no documentation for CloudBackendActivity
At point 14:46 of the following video :
https://www.youtube.com/watch?v=v5u_Owtbfew
turbomanage changes the FragmentActivity to CloudBackendActivity.
Also, shown here :
However, there doesn't seem to be any documentation about CloudBackendActivity in developer.android.com nor any mention of what imports are necessary to use it.