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    <p>I've had a similar problem with playing audio (though I'm not using audio in an SKAction node) with the same background crash as a result.</p> <p>I tried to solve this by setting the <code>paused</code> property of my SKScene to <code>YES</code>, but when audio is playing there appears to be a bug in SpriteKit. In this situation, the update method actually gets called after paused is set to YES. Here is my update code:</p> <pre><code>- (void)update:(CFTimeInterval)currentTime { /* Called before each frame is rendered */ if (self.paused) { // Apple bug? NSLog(@"update: called while SKView.paused == YES!"); return; } // update! [_activeLayer update]; } </code></pre> <p>When that NSLog is traced out, the app will then crash with the GL error.</p> <p>The only way I've found to solve it is quite heavy handed. I have to remove and deallocate my entire SKView when entering the background.</p> <p>In <code>applicationDidEnterBackground</code> I call a function in my ViewController that does this:</p> <pre><code>[self.playView removeFromSuperview]; </code></pre> <p>Ensure that you do not have any strong references to the SKView as it must be deallocated for this to work.</p> <p>In <code>applicationWillEnterForeground</code> I call a function that rebuilds my SKView like this:</p> <pre><code>CGRect rect = self.view.frame; if (UIInterfaceOrientationIsLandscape(self.interfaceOrientation)) { CGFloat temp = rect.size.width; rect.size.width = rect.size.height; rect.size.height = temp; } SKView *skView = [[SKView alloc] initWithFrame:rect]; skView.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth; [self.view insertSubview:skView atIndex:0]; self.playView = skView; // Create and configure the scene. self.myScene = [CustomScene sceneWithSize:skView.bounds.size]; self.myScene.scaleMode = SKSceneScaleModeResizeFill; // Present the scene. [skView presentScene:self.myScene]; </code></pre> <p>Yeah, this feels like a total hack, but I think there is a bug in SpriteKit.</p> <p>I hope this helps.</p> <p><strong>EDIT</strong></p> <p>Great accepted answer above. Unfortunately it doesn't work for me because I am using Audio Queues and need music to continue playing when my app is in the background.</p> <p>Still waiting for a fix from Apple.</p>
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    1. POSprite Kit & playing sound leads to app termination
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    1. USKeith Murray
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    1. COPretty messy work around hack. Have you filed a bug report?
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      1. USLior Pollak
    2. CO@harrym17 yes I have filed a bug report (no response yet). I agree it's a hack (and said so), but it solves the problem for me at least. My scene is easy to recreate. Others are having this problem and no one has yet found a proper solution that I am aware of.
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    3. COThis is not working :( PS are you using NSNotifications? Because I think this has something to do with the crash...
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