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2014/10/15 ¤U¤È 10:08:38
iphone Programming Glossary: expirationhandleriPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events if you are finished with your work. In the code below you can see that i have a comment at the expirationHandler. This will cause your app running as long as the system allows your app to be running. All timers and.. This is where you can do your X minutes in seconds here 10 sleep 10 And never call the expirationHandler so your App runs until the system terminates our process app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid.. .backgroundTimeRemaining self doSomething sleep 1 After your app has timed out the VoIP expirationHandler will be called where you simply restart a long running task. This task will be terminated after 600..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events still being executed Apple suggest to call an expirationhandler if you are finished with your work. In the code below you can see that i have a comment at the expirationHandler. This will cause your app running as long as the system allows your app to be running. All timers and threads stay running until iOS terminates your app. void applicationDidEnterBackground.. and timers are still being executed while background self doSomething This is where you can do your X minutes in seconds 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.. 0 ^ while 1 NSLog @ BGTime left f UIApplication sharedApplication .backgroundTimeRemaining self doSomething sleep 1 After your app has timed out the VoIP expirationHandler will be called where you simply restart a long running task. This task will be terminated after 600 seconds. But there will be again a call to the expiration handler..
UIlocalNotification did now appear without starting background task http://stackoverflow.com/questions/19288356/uilocalnotification-did-now-appear-without-starting-background-task to restart background task for long running. But unable. void applicationDidEnterBackground UIApplication application expirationHandler ^ app endBackgroundTask self.bgTask self.bgTask UIBackgroundTaskInvalid self.bgTask app beginBackgroundTaskWithExpirationHandler.. self.bgTask self.bgTask UIBackgroundTaskInvalid self.bgTask app beginBackgroundTaskWithExpirationHandler expirationHandler self.bgTask app beginBackgroundTaskWithExpirationHandler expirationHandler Now the questions are Is there any way which.. beginBackgroundTaskWithExpirationHandler expirationHandler self.bgTask app beginBackgroundTaskWithExpirationHandler expirationHandler Now the questions are Is there any way which will fire local notification and appear to user when application is in background..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events an expirationhandler if you are finished with your work. In the code below you can see that i have a comment at the expirationHandler. This will cause your app running as long as the system allows your app to be running. All timers and threads stay running.. background self doSomething This is where you can do your X minutes in seconds 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.. sharedApplication .backgroundTimeRemaining self doSomething sleep 1 After your app has timed out the VoIP expirationHandler will be called where you simply restart a long running task. This task will be terminated after 600 seconds. But there will..
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