Turning on screen programmatically

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Note from author: I wrote this back in 2012. I don’t know if it works anymore. Be sure to check out the other more recent answers.

Amir’s answer got me close, but you need the ACQUIRE_CAUSES_WAKEUP flag at least (Building against Android 2.3.3).

WakeLock screenLock = ((PowerManager)getSystemService(POWER_SERVICE)).newWakeLock(
     PowerManager.SCREEN_BRIGHT_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, "TAG");
screenLock.acquire();

//later
screenLock.release();

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