Android: How to release resources when the application terminates?

Question

I created an application which uses camera and during the appplication execution the screen is always on.

In the onCreate() method I added the lock:

Answer 1

I use mWakelock.setReferenceCounted(false), still dunno what it means, but it resolves my "Wakelock under-locked" problem.

Init: OnStart() acquire: onResume() release: onStop()