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Editorial Team
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Asked: 2026-05-22T21:46:36+00:00

I want a method to work in background until a duration specified by the

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I want a method to work in background until a duration specified by the user (let’s say 20 minutes) elapses. I know it’s not possible, because Apple allows the app to work for a maximum of 10 minutes in the background. Unfortunately FireDate works with UILocalNotifications only. I also read about performSelector:Selector:WithObject:afterDelay: method but I’m not sure if that will work in the background or not. Kindly give me suggesstions and code snippets (if any).

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1 Answer

  1. Editorial Team

    two methods that will be of use:

    NSObject -(void)performSelectorInBackground:(SEL)aSelector withObject:(id)arg

    UIApplication
    - (UIBackgroundTaskIdentifier)beginBackgroundTaskWithExpirationHandler:(void(^)(void))handler

    local notifications can be used if you want the user to re-launch, but if they don’t click through to the app, then your app never knows about it

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