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POshowImagePicker and ARC
 

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    <p><strong>edit 0</strong></p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; self.overlayViewController = [[BSsetupOverlayViewController alloc] initWithNibName:@"BSsetupOverlayViewController" bundle:nil] ; // as a delegate we will be notified when pictures are taken and when to dismiss the image picker self.overlayViewController.delegate = self; if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) { // camera is not on this device, don't show the camera button NSMutableArray *toolbarItems = [NSMutableArray arrayWithCapacity:self.myToolbar.items.count]; [toolbarItems addObjectsFromArray:self.myToolbar.items]; [toolbarItems removeObjectAtIndex:2]; [self.myToolbar setItems:toolbarItems animated:NO]; } [self showImagePicker:UIImagePickerControllerSourceTypeCamera]; } </code></pre> <p><strong>edit 0</strong></p> <p>The <code>-showImagePicker:</code> code below is almost exactly as copied from the PhotoPicker example, except that the <strong>first</strong> commented-out line is replaced by the line <strong>above</strong> it (because of a deprecated feature). However the new version of the line is producing the warning <code>Warning: Attempt to present &lt;UIImagePickerController: 0x1c53ec70&gt; on &lt;BSsetupViewController: 0x1d888c10&gt; whose view is not in the window hierarchy!</code></p> <p>On the other hand if I replace that <strong>first</strong> commented-out line with the one <strong>below</strong> it, I get the ARC Semantic issue <code>No visible @interface for 'BSsetupViewController' declares the selector 'presentModalViewController:animated:completion:'</code> </p> <p>Any ideas?</p> <pre><code>- (void)showImagePicker:(UIImagePickerControllerSourceType)sourceType { if (self.imageView.isAnimating) [self.imageView stopAnimating]; if (self.capturedImages.count &gt; 0) [self.capturedImages removeAllObjects]; if ([UIImagePickerController isSourceTypeAvailable:sourceType]) { [self.overlayViewController setupImagePicker:sourceType]; [self presentViewController:self.overlayViewController.imagePickerController animated:YES completion:^(void){}]; //[self presentModalViewController:self.overlayViewController.imagePickerController animated:YES]; //[self presentModalViewController:self.overlayViewController.imagePickerController animated:YES completion:^(void){}]; } } </code></pre>
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    1. COWhen you call this `showImagePicker` method, has the `self` view controller been displayed yet? The error indicates that it has not. The error about the 2nd line that is commented out is because there is no such method as `presentModalViewController:animated:completion:`.
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    2. COI think it has been called. See the edited question where I added `-viewDidLoad:`, please.
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    3. COjust because the view controller's view has been loaded doesn't mean the view controller's view has been added to the view hierarchy yet. I suggest you move the call to `showImagePicker` to `viewDidAppear:` and see what happens.
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      1. USrmaddy
 

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