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POHow do I stop a modal view from disappearing when rotating on iPad?
 

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  1. POHow do I stop a modal view from disappearing when rotating on iPad?
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    <p>I'm using <code>willRotateToInterfaceOrientation</code> to swap views when my iPad rotates. If I have a modal view or an alert view open when my device rotates and swaps views, the view swaps and the alert disappears and does not reappear, even if the alert is "presented" again later. </p> <p><strong>Edit:</strong> I've narrowed this problem a bit. When a modal view is presented with <code>UIModalPresentationFullScreen</code>, the modal view "survives" rotations.</p> <p>What can I do to fix this?</p> <p><strong>Here is my implementation of <code>willRotateToInterfaceOrientation</code>:</strong></p> <pre><code>- (void) willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration{ [super willRotateToInterfaceOrientation:toInterfaceOrientation duration:duration]; // // Load an alternate view depending on the orientation // if (toInterfaceOrientation == UIInterfaceOrientationLandscapeLeft) { [UIView beginAnimations:@"" context:nil]; [self setView:theLandscapeView]; self.view.bounds = CGRectMake(0, 0, 1024, 768); self.view.transform = CGAffineTransformMakeRotation(kDegreesToRadians * (-90)); [UIView commitAnimations]; }else if (toInterfaceOrientation == UIInterfaceOrientationLandscapeRight) { [UIView beginAnimations:@"" context:nil]; [self setView:theLandscapeView]; self.view.bounds = CGRectMake(0, 0, 1024, 768); self.view.transform = CGAffineTransformMakeRotation(kDegreesToRadians * (90)); [UIView commitAnimations]; }else if (toInterfaceOrientation == UIInterfaceOrientationPortrait) { [UIView beginAnimations:@"" context:nil]; [self setView:thePortraitView]; self.view.transform = CGAffineTransformMakeRotation(kDegreesToRadians * (0)); self.view.bounds = CGRectMake(0, 0, 768, 1024); [UIView commitAnimations]; }else if (toInterfaceOrientation == UIInterfaceOrientationPortraitUpsideDown) { [UIView beginAnimations:@"" context:nil]; [self setView:thePortraitView]; self.view.transform = CGAffineTransformMakeRotation(kDegreesToRadians * (180)); self.view.bounds = CGRectMake(0, 0, 768, 1024); [UIView commitAnimations]; } } </code></pre>
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    1. COThanks. For now I'm working around by not swapping views, but that is not a solution...
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    2. COYes, I've also never encountered this issue, but that's simply because I only resize views on changing the orientation, rather than replacing them. Would it be possible to present the modal page from a transparent hosting view, but have your content be in a subview of that which is switched out on change of orientation?
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    3. CO@BradLarson - Thank you for taking a look. I think that your suggestion would work, but it is slightly inefficient, because you need to load an extra view (controller). For now I am waiting for Apple to respond to this question and I'm manually resizing etc. I wanted to avoid that because UIImageViews don't take to that too well.
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