UIApplicationWillResignActiveNotification, how to know the interrupt source?

Posted by al_lea on Stack Overflow See other posts from Stack Overflow or by al_lea
Published on 2010-06-17T09:59:53Z Indexed on 2010/06/17 10:03 UTC
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I'm writing a camera app. I'd like to know if the app is interrupted by SMS event or screen lock.

I'd tried to inspect the NSNotification. Both the object and userInfo field give no hint.

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