Well you could register for this:
http://developer.android.com/reference/android/content/Intent.html#ACTION_SCREEN_OFF
On Fri, Nov 27, 2009 at 3:47 AM, David Given d...@cowlark.com wrote:
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Is there any way where I can detect that the screen is about to turn
off, so I can do some work *before* it happens?
I need this to work around bug 3755: OpenGL apps sometimes crash when
the screen gets turned off because they don't get
surfaceDestroyed()/surfaceCreated() events.
http://code.google.com/p/android/issues/detail?id=3755
Simply put, I need to shut down OpenGL before the phone has a chance to
detach the GPU. The only events I seems to be getting when the screen
turns off are onPause() and onWindowFocusChanged()... both of which turn
up *after* the GPU detaches, by which time it's too late.
Can anyone suggest any way of doing this?
(In desperation, I have tried to intercept the power key, but the
power/hangup key is treated specially and doesn't generate keyboard
events...)
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Dianne Hackborn
Android framework engineer
hack...@android.com
Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails. All such
questions should be posted on public forums, where I and others can see and
answer them.
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