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    <p>Assuming your previewlayer is added to a viewcontroller view. Do this in <code>viewDidLoad</code> :</p> <pre><code>[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(orientationChanged:) name:UIDeviceOrientationDidChangeNotification object:nil]; </code></pre> <p>and define the selector as: </p> <pre><code>- (void)orientationChanged:(NSNotification*)notification { UIInterfaceOrientation interfaceOrientation = [UIApplication sharedApplication].statusBarOrientation; if ([self.previewlayer respondsToSelector:@selector(orientation)]) { //for iOS5 if (interfaceOrientation != UIInterfaceOrientationPortrait) { self.previewlayer.orientation = (AVCaptureVideoOrientation)UIInterfaceOrientationPortrait; } } else { //for iOS6 if (interfaceOrientation != UIInterfaceOrientationPortrait) { self.previewlayer.connection.videoOrientation = (AVCaptureVideoOrientation)UIInterfaceOrientationPortrait; } } } </code></pre> <p><strong>Note:</strong> put <code>tempPreviewLayer</code> in the property <code>self.previewlayer</code> .</p> <p>This will force the preview layer to portrait position when the device orientation changes.</p> <p><strong>EDIT</strong></p> <p>you can also add this in ur 'shouldAutoRotate` method of the viewController</p> <pre><code> - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations if ([self.previewlayer respondsToSelector:@selector(orientation)]) { if (interfaceOrientation != UIInterfaceOrientationPortrait) { self.previewlayer.orientation = (AVCaptureVideoOrientation)UIInterfaceOrientationPortrait; } } else { if (interfaceOrientation != UIInterfaceOrientationPortrait) { self.previewlayer.connection.videoOrientation = (AVCaptureVideoOrientation)UIInterfaceOrientationPortrait; } } return (interfaceOrientation == UIInterfaceOrientationPortrait); } </code></pre> <p>for ios6 over ride these two and check.</p> <pre><code>-(NSUInteger)supportedInterfaceOrientations { //UIInterfaceOrientation interfaceOrientation = [UIApplication sharedApplication].statusBarOrientation; //return ( //interfaceOrientation == UIInterfaceOrientationLandscapeLeft | //interfaceOrientation == UIInterfaceOrientationLandscapeRight); return UIInterfaceOrientationMaskLandscape;//(UIInterfaceOrientationLandscapeLeft | UIInterfaceOrientationLandscapeRight); } - (BOOL)shouldAutorotate { return YES; } </code></pre> <p>before <code>return</code> in these two methods apend the code ..and in the notification that i gave, see if its called when you roate the device.</p>
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    1. PODisable taking images in any orientation other than Portrait AVFoundation
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    1. UScroyneaus4u
    1. UScroyneaus4u
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      1. VTUpMod
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    1. COIt wouldn't solve the problem. See @He Was answer
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    2. COdid you try it? add `[[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];` before adding the notification. This works perfectly for me, it locks the preview layer in the orientation i want.
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    3. COwhat is the note to put tempPreviewLayer in the property? what do you mean by that?
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