How to keep CPU from 'sleeping' when screen is turned off in Android?

Question

I have an application in which I am sending network data over WiFI. Everything is fine until I turn the display off or the device goes to \'sleep\'. I\'m already locking th

Answer 1

Grab a PARTIAL_WAKE_LOCK from the PowerManager. You'll also need to add the WAKE_LOCK permission to your manifest.

PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); 
PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Tag"); 
wl.acquire();
//do what you need to do
wl.release();