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Editorial Team
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Asked: 2026-05-16T00:09:35+00:00

I’m making a relatively simple OpenGL ES based iPhone game. While testing on the

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I’m making a relatively simple OpenGL ES based iPhone game. While testing on the iPhone 4 I’ve noticed that multitasking doesn’t “work”. Specifically the app is automatically terminated when it’s put into the background state (I think this is due to making OpenGL calls in the background and/or not releasing some resources). Since the game is pretty simple… 20-30 short levels (about 1 min per level)… I’m wondering: In this case does multitasking really matter?

The entire game is OpenGL based and the UI is very snappy… so terminating the app, reloading it, and stepping through a few screens doesn’t seem to be a big deal. What do you think? In this case does supporting multitasking really matter?

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  1. Editorial Team

    It matters if you want your users to like you. What you can do is pause the game and stop any drawing calls when your app gets

    - (void) applicationWillResignActive:(UIApplication *)application

    and either stay paused or resume drawing in

    - (void)applicationDidBecomeActive:(UIApplication *)application

    You should do this even if your app isn’t running on a multitasking device, because if you get a Push Notification or Local Notification, your app will be made inactive and you should pause the game.

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