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iosuilocalnotificationlocalnotification

Launch Closed iOS App From Local Notification


When my iOS application is running in the background it responds fine to

 - (void)application:(UIApplication *)application didReceiveLocalNotification:
    (UILocalNotification *)notification

but when the application is closed it crashes and gives a SIGKILL error.

How can I run a method within the app if it is closed when the notification is received?


Solution

  • You can't run a method in the app when a local notification is received. The notification can provide any combination of an alert, icon badge number, and a sound (<30 secs).

    You can run a method when it comes into the foreground again either through the notification or through other means.

    When the app is in the background it will call applicationWillEnterForeground: prior to resuming. You can override this method to handle anything needed after the notification. You can override applicationDidEnterBackground: to determine when your app actually enters the background.

    Method application:didReceiveLocalNotification: is called when the app receives a notification but is in the foreground. The alert, icon badge number, and sound will not be triggered when the app is in the foreground.