Question

Hallo Everyone,

with the iOS 4, the iPhone is supporting Multitasking, what is very nice, but something I do not wish to support in my Application. I mean, when the user press the Home-button, I want my application to finish and not to enter in Background. With the iOS 4, when the User press the Home-button, the App calls the applicationDidEnterBackground: delegate’s method to enter in Background and in order to “force” the Application to finish when the user press the Home button, I’ve done following implementation:

- (void)applicationDidEnterBackground:(UIApplication *)application {
        //save everything...
    exit(0);
}

PROBLEM: I’ve noticed, that exit(0) brings the Application immediately to finish, without calling deallocating methods like “dealloc”, and I think that is not a good programming style. So I would like to ask you guys, how to bring the application to finish in a “nicer” way.

Thanks in advance.

Answer 1

What you actually want is not to exit the application (which is as mentioned not allowed), but tell the OS you would rather your application be killed rather than backgrounded.

There is an info.plist key for that, UIApplicationExitsOnSuspend. Set that in your info.plist to TRUE (checked) and then when your app enters the background it will be terminated.