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2014/10/15 ¤U¤È 10:04:34
iphone Programming Glossary: bgtaskiPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events UIApplication application UIApplication app UIApplication sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid.. sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Start the long running task and return immediately. dispatch_async dispatch_get_global_queue.. bgTask app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Start the long running task and return immediately. dispatch_async dispatch_get_global_queue..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events stay running until iOS terminates your app. void applicationDidEnterBackground UIApplication application UIApplication app UIApplication sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Start the long running task and return immediately... UIApplication application 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 DISPATCH_QUEUE_PRIORITY_DEFAULT 0 ^.. UIApplication application 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 DISPATCH_QUEUE_PRIORITY_DEFAULT 0 ^ you can..
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 it void applicationDidEnterBackground UIApplication application UIApplication app UIApplication sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Start the long.. 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.. 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 DISPATCH_QUEUE_PRIORITY_DEFAULT..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events app. void applicationDidEnterBackground UIApplication application UIApplication app UIApplication sharedApplication bgTask app beginBackgroundTaskWithExpirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid Start the long.. 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.. 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 DISPATCH_QUEUE_PRIORITY_DEFAULT..
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