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POContent pushed down in a UIPageViewController with UINavigationController
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copied!<p><strong>UPDATE 2</strong></p> <p>I've been running and testing my app in the iOS Simulator using a 4-inch device. If I run using a 3.5-inch device the label doesn't jump. In my .xib, under Simulated Metrics, I have it set as Retina 4-inch Full Screen. Any idea why I'm only seeing this problem on a 4-inch device?</p> <p><strong>UPDATE 1</strong></p> <p>In IB, if I choose "Navigation Bar" in Simulated Metrics, my label still jumps. The only way I can get my label to render correctly on the first screen is to not set a navigation controller as my window's root view controller.</p> <p>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</p> <p>My window's rootViewController is being set to a UINavigationController whose rootViewController has a UIPageViewController embedded.</p> <p>When my app loads, the initial view is presented with it's content pushed down a bit, roughly the same size as a navigation bar. When I scroll the pageViewController, the content jumps up to where it was placed in the nib, and all other viewControllers loaded by the pageViewController are fine.</p> <p><img src="https://i.stack.imgur.com/fi2GK.png" alt="uipageviewcontroller with navigationcontroller"></p> <p>In my appDelegate:</p> <pre><code>self.window.rootViewController = [[UINavigationController alloc] initWithRootViewController:[ContainerViewController new]]; </code></pre> <p>In ContainerViewController:</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; self.pvc = [[UIPageViewController alloc] initWithTransitionStyle:UIPageViewControllerTransitionStyleScroll navigationOrientation:UIPageViewControllerNavigationOrientationHorizontal options:nil]; self.pvc.dataSource = self; self.pvc.delegate = self; DetailViewController *detail = [DetailViewController new]; [self.pvc setViewControllers:@[detail] direction:UIPageViewControllerNavigationDirectionForward animated:false completion:nil]; [self addChildViewController:self.pvc]; [self.view addSubview:self.pvc.view]; [self.pvc didMoveToParentViewController:self]; } </code></pre>

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