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POHow to create a cameraOverlayView
 

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  1. POHow to create a cameraOverlayView
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    <p>I am really struggling to get my head around how to do this. I have a <code>UIImagePickerController</code> which works fine but I want to create my own <code>CameraOverlayView</code> so that I can customise the buttons. I can't seem to figure out how to create the overlay in the first place. I have tried so many tutorials and have arrived at the following but it is way off. Can anyone point me to an simple to follow instructions?</p> <ul> <li>I have created a <code>UIImagePickerController</code> that works with standard controls</li> <li>For the overlay I have created a new <code>UIViewController</code> on my storyboard and linked it to a new class called <code>ObViewControllerCameraOverlay</code></li> <li><p>In the <code>startCameraControllerFromViewController</code> method I use the following to hide the standard controls</p> <p>cameraUI.showsCameraControls=NO;</p></li> <li><p>and then this to show the cameraOverlay (which does not compile)</p> <p>obViewControllerCameraOverlay *overlay = [[obViewControllerCameraOverlay alloc]; cameraUI.cameraOverlayView = overlay;</p></li> </ul> <p>I know I am doing this wrong but I am stumped as to how to this to work. I have looked at Apple's PhotoPicker too but I just don't get it.</p> <p>UPDATE:</p> <p>Where I am now - can anyone tell me if this is the correct process (I realise frame size needs to be sorted and custom buttons need to be added somehow):</p> <p>.m file where the 'Take Photo' <code>UIButton</code> is located. </p> <pre><code>@property (nonatomic, strong) UIView *overlay; - (IBAction)takePhoto:(id)sender { [self startCameraControllerFromViewController: self usingDelegate: self]; } - (BOOL) startCameraControllerFromViewController: (UIViewController*) controller usingDelegate: (id &lt;UIImagePickerControllerDelegate, UINavigationControllerDelegate&gt;) delegate { if (([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera] == NO) || (delegate == nil) || (controller == nil)) return NO; UIImagePickerController *cameraUI = [[UIImagePickerController alloc] init]; cameraUI.sourceType = UIImagePickerControllerSourceTypeCamera; cameraUI.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType:UIImagePickerControllerCameraCaptureModePhoto]; cameraUI.showsCameraControls=NO; overlay = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 200, 200)]; cameraUI.cameraOverlayView = overlay; cameraUI.allowsEditing = NO; cameraUI.delegate = delegate; [controller presentViewController:cameraUI animated:YES completion:nil]; return YES; } </code></pre>
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    1. CODid you just link this overlay view or have you actually instantiated it? Check for null before showing image picker.
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    2. COI am sorry I am not sure what you mean. The overlay is a UIViewController (is that correct) which I have subclassed to ObViewControllerCameraOverlay. Is that what you mean?
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