how to preform an activity at the android lock screen?

Posted by John on Stack Overflow See other posts from Stack Overflow or by John
Published on 2010-05-14T11:10:20Z Indexed on 2010/05/14 11:14 UTC
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screen

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I would like to perform an activity at the key guard screen, but the only way I can find to do so is to disable the key guard, do my activity, then re enable the key guard. This would be ok if it didn't cause the key guard screen to flash off and on (disable makes it disappear then re enable brings it back). I am wondering how I can perform an activity with it still being displayed? Kinda like how when the alarm goes off it shows a pop-up which is displayed over the key-guard screen?

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