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POStrange behavior of Navigation Bar of Split View Controller
 

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  1. POStrange behavior of Navigation Bar of Split View Controller
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    <p>I found rather odd behavior of <code>UINavigationBar</code> of <code>UISplitViewController</code>. I have a stadard <code>rootViewController</code> on the picture below:</p> <p><img src="https://i.stack.imgur.com/CUFSI.png" alt="enter image description here"></p> <p>When the bar button is pressed(it is temporarily for debug styled as "Add button"), I add a new Navigation bar(NOTE: I add, I do not replace!) that handles events done on screen.</p> <p><strong>Explanation</strong> - the button is pressed and user starts drawing stuff on screen, the new bar is added for interaction to make the drawing mode stop.</p> <p><strong>Problem</strong> - however, when I add this bar a strange graphical detail appears where the bar of my <code>rootViewController</code> is split in two pieces. Picture below(marked red):</p> <p><img src="https://i.stack.imgur.com/bmH4z.png" alt="enter image description here"></p> <p>Is it a known issue or is it there for a reason?</p> <p>CODE:</p> <pre><code>UINavigationBar *tmpBar = [[UINavigationBar alloc] initWithFrame:CGRectOffset(CGRectMake(0.0, 0.0, 1024.0, 44.0), 0, - 44.0)]; UINavigationItem *it = [[UINavigationItem alloc] initWithTitle:@"Draw, baby, draw!"]; it.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(cancelDrawing)]; it.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(sendMail)]; tmpBar.items = [[NSArray alloc] initWithObjects:it, nil]; self.canvasBar = tmpBar; [self.splitViewController.view addSubview:self.canvasBar]; [self.splitViewController.view bringSubviewToFront:self.canvasBar]; [UIView beginAnimations:@"animateBarOn" context:NULL]; [UIView setAnimationDuration:1.0]; [self.canvasBar setFrame:CGRectOffset([self.canvasBar frame], 0, 44)]; [UIView commitAnimations]; </code></pre> <p><strong>NOTE:</strong> I am not looking for an <em>alternative</em> solution, but for <strong>EXPLANATION</strong> why this is happening.</p>
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    1. USMichal
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      1. VTUpMod
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    1. COWhy don't u add a UIToolBar in place of a UINavigationBar?
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      1. POStrange behavior of Navigation Bar of Split View Controller
      1. USIshank Dubey
    2. CO"Toolbar - Provides a mechanism for displaying a toolbar at the bottom of the screen."
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      1. POStrange behavior of Navigation Bar of Split View Controller
      1. USMichal
    3. COI have used the UIToolBar at the top a lot of times..one example when I was presenting a modelViewController + Apple doc dosent say so too.
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      1. POStrange behavior of Navigation Bar of Split View Controller
      1. USIshank Dubey
 

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