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    copied!<p>Good day, dizy.</p> <p>A nice challenge you've made. Here is a solution, maybe it's a bit hardcore, but it works.</p> <p>I've done as you wrote – subclassed UITabBarController and presented it as a modal view controller. And run into the same problem. When tapping "edit" button in "More" screen UITabBarCustomizeView appears and it's frame is inadequate.</p> <p>So I've done the following. I've made MyModalTabBarVC a delegate of itself and implemented <code>tabBarController:willBeginCustomizingViewControllers:</code> method:</p> <pre><code>- (void)tabBarController:(UITabBarController *)tabBarController willBeginCustomizingViewControllers:(NSArray *)viewControllers { UIView *modalView = self.view; CGRect bounds = modalView.bounds; UIView *customizationView = [[modalView subviews] objectAtIndex:1]; UIView *customizationNavBar = [[customizationView subviews] objectAtIndex:0]; CGRect navBarFrame = [customizationNavBar frame]; navBarFrame.size.width = bounds.size.width; customizationNavBar.frame = navBarFrame; customizationView.frame = bounds; } </code></pre> <p>So when this method is called <code>UITabBarCustomizeView</code> is already created. And a wrong frame can be changed manually. If you log <code>po [self.view subviews]</code> at the start you'll get: </p> <pre><code>(id) $1 = 0x06c6a940 &lt;__NSArrayM 0x6c6a940&gt;( &lt;UITransitionView: 0xd744ab0; frame = (0 0; 540 571); clipsToBounds = YES; autoresize = W+H; layer = &lt;CALayer: 0xd744b50&gt;&gt;, &lt;UITabBarCustomizeView: 0x6c5e570; frame = (0 -384; 768 1004); animations = { position=&lt;CABasicAnimation: 0x6c569a0&gt;; }; layer = &lt;CALayer: 0x6c618d0&gt;&gt;, &lt;UITabBar: 0xd744110; frame = (0 571; 540 49); autoresize = W+TM; layer = &lt;CALayer: 0xd742b80&gt;&gt;, ) </code></pre> <p>PS. This solution doesn't fix animation. As you can see from log, corrupted animation is already created and charged. I hope that canceling it and adding a new one, appropriate, will not be a problem.</p>
 

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