How to prevent the screen of an android device to turn off during the execution of an Activity?

Question

I have an Activity that usually needs some time to watch the screen without interacting with it.

The problem is that the screen turns off, just like wit

Answer 1

You may want to use the wake-lock to prevent the screen off.Pleas refer http://developer.android.com/reference/android/os/PowerManager.WakeLock.html