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POiOS7 custom interactive transition, hidden back button reappears as "..." when cancelled
 

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  1. POiOS7 custom interactive transition, hidden back button reappears as "..." when cancelled
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    <p>I have a custom interactive transition which requires me to hide the standard back button. Basically, the transition looks like a push from left-to-right rather than the standard right-to-left push we're all familiar with. That's why my back button is on the right side instead.</p> <p>As you can see from two screenshots I took before and after cancelling pop transition activated by a UIScreenEdgePanGestureRecognizer, once the transition is cancelled there is a "..." where the back button would be. </p> <p><img src="https://i.stack.imgur.com/q7TFK.jpg" alt="Before and After Cancelling the transition"></p> <p>I'm currently using </p> <pre><code>self.navigationItem.hidesBackButton = YES; </code></pre> <p>and I've tried putting it in <strong>awakeFromNib</strong>, <strong>viewDidLoad</strong>, <strong>viewDidAppear</strong>, <strong>viewWillAppear</strong> methods all without fixing the problem.</p> <p>So using the power of Reveal.app I investigated the view hierarchy before and after and saw this:</p> <p><img src="https://i.stack.imgur.com/Npebx.jpg" alt="View hierarchy before and after via reveal.app"></p> <p>What you see highlighted in each part of the image is what appears to be changing in the area of the nav bar that contains the hidden back button. Before it's a UINavigationButton and then it becomes a UINavigationButtonItem with a UILabel, which must be what contains the "..." and remains like this.</p> <p>Any help would be much appreciated. I hope this is detailed enough to give a good picture of the issue.</p>
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    1. USbitwit
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      1. VTUpMod
    1. COCan you do a full view hierarchy dump from the debugger with `po [self.view recursiveDescription]`?
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      1. USJason Moore
    2. COAlso, I wonder if the '...' isn't just a truncation of a longer string assigned to the `UILabel`. Find the address of the UILabel (from that recursive description) and do: `po [(UILabel*)0xfoofoo text]`
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      1. POiOS7 custom interactive transition, hidden back button reappears as "..." when cancelled
      1. USJason Moore
    3. COI was thinking the same thing re: "..." just being a cut off string. I'll try printing it out. It's possibly the word "Back"
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      1. USbitwit
 

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