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2014/10/15 ¤U¤È 10:08:13

iphone Programming Glossary: endbackgroundtask

Getting user location every n minutes after app goes to background

http://stackoverflow.com/questions/10235203/getting-user-location-every-n-minutes-after-app-goes-to-background

UIApplication app UIApplication sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Start the long running task and return immediately. dispatch_async dispatch_get_global_queue.. .longitude UIApplication app UIApplication sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Start the long running task and return immediately. dispatch_async dispatch_get_global_queue.. UIApplication app UIApplication sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Start the long running task and return immediately. self initTimer dispatch_async..

Installing a configuration profile on iPhone - programmatically

http://stackoverflow.com/questions/2338035/installing-a-configuration-profile-on-iphone-programmatically

nil bgTask application beginBackgroundTaskWithExpirationHandler ^ dispatch_async dispatch_get_main_queue ^ application endBackgroundTask self bgTask self bgTask UIBackgroundTaskInvalid 5 In your controller call safari with the name of the mobileconfig stored..

iphone: playing audio playlist in the background?

http://stackoverflow.com/questions/3297571/iphone-playing-audio-playlist-in-the-background

NULL if newTaskId UIBackgroundTaskInvalid bgTaskId UIBackgroundTaskInvalid UIApplication sharedApplication endBackgroundTask bgTaskId bgTaskId newTaskId void audioPlayerDidFinishPlaying AVAudioPlayer player successfully BOOL flag NSLog @ finished..

beginBackgroundTaskWithExpirationHandler

http://stackoverflow.com/questions/3871149/beginbackgroundtaskwithexpirationhandler

UIApplication app UIApplication sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid dispatch_async dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_DEFAULT 0 ^ app endBackgroundTask.. bgTask bgTask UIBackgroundTaskInvalid dispatch_async dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_DEFAULT 0 ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid iphone cocoa touch share improve this question You need to declare bgTask before..

iPhone - Backgrounding to poll for events

http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events

UIApplication app UIApplication sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Start the long running task and return immediately. dispatch_async dispatch_get_global_queue.. here 10 sleep 10 And never call the expirationHandler so your App runs until the system terminates our process app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Be very spare with CPU Time here and your app runs longer But one thing is for sure.. callback UIApplication app UIApplication sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Start the long running task dispatch_async dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_DEFAULT..

How do I get my AVPlayer to play while app is in background?

http://stackoverflow.com/questions/4771105/how-do-i-get-my-avplayer-to-play-while-app-is-in-background

NULL if newTaskId UIBackgroundTaskInvalid bgTaskId UIBackgroundTaskInvalid UIApplication sharedApplication endBackgroundTask bgTaskId bgTaskId newTaskId Right now I have no idea where I should go to make my AVPlayer let the radio sing while the..

setKeepAliveTimeout and BackgroundTasks

http://stackoverflow.com/questions/4777499/setkeepalivetimeout-and-backgroundtasks

@ startSyncRequest bgTask app beginBackgroundTaskWithExpirationHandler ^ NSLog @ exipiration handler triggered app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid self cancel dispatch_async dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_DEFAULT.. anURLRequest setTimeoutInterval 120.00 if exitError nil somethings goes wrong NSLog @ somethings goes wrong app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid self cancel return do some stuff with NSData and prompt the user with a UILocalNotification.. return do some stuff with NSData and prompt the user with a UILocalNotification NSLog @ AlltasksCompleted app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid self cancel The above code seems to work sometimes but many other it crashes my application..

How to Maintain VOIP socket connection in background?

http://stackoverflow.com/questions/5987495/how-to-maintain-voip-socket-connection-in-background

a m_bgTask UIApplication sharedApplication beginBackgroundTaskWithExpirationHandler ^ UIApplication sharedApplication endBackgroundTask m_bgTask m_bgTask UIBackgroundTaskInvalid This is needed to make sure that application will not be suspended before sending..

Does AFNetworking have backgrounding support?

http://stackoverflow.com/questions/7800614/does-afnetworking-have-backgrounding-support

backgroundTaskIdentifier application beginBackgroundTaskWithExpirationHandler ^ void application endBackgroundTask backgroundTaskIdentifier YourRestClient sharedClient cancelAllHTTPOperations Or if you manage your operations in your own..