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flashlib/后台运行任务

Created September 22, 2013 06:48
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beginBackgroundTaskWithExpirationHandler
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后台运行任务
__block UIBackgroundTaskIdentifier backgroundTaskIdentifier = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{
NSLog(@"Background Time:%f",[[UIApplication sharedApplication] backgroundTimeRemaining]);
[self endBackgroundTask:backgroundTaskIdentifier];
backgroundTaskIdentifier = backgroundTaskIdentifier;
}];
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