Correct method for setKeepScreenOn / FLAG_KEEP_SCREEN_ON

android screen power-management
Emma Assin picture Emma Assin · Mar 16, 2011 · Viewed 41.2k times · Source

I am using the method setKeepScreenOn(true) and haven't been able to figure out how to call this in relation to the current Activity (which has a content view set). I've been able to get it to work by calling it on one of my buttons which is always present in the view, but this feels wrong - and I'm sure there must be a way to get around this. I tried referencing the current focus like this:

getCurrentFocus().setKeepScreenOn(true);

but that threw a NullPointerException. Maybe there was no current focus. So, can anyone tell me how I can reference the view class which I am working inside? Thanks :)

Answer

Matthew Willis picture Matthew Willis · Mar 16, 2011

Try this answer:

getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

getWindow is a method defined for activities, and won't require you to find a View first.

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