Questions tagged [uiview-hierarchy]

110 questions
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Determine whether UIView is covered by other views?

I'm building a simple card game where cards are flicked onto a central pile, and I'd like to begin removing the bottom cards when the number gets too large. However, I apply some random rotation and positioning to each card, meaning the corners of…
Luke
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Detect if a UIView is behind another UIView in parent

I have a parent UIView with several subviews. The subviews are siblings - the child-views are not sub views of each other. (Each at the same heirarchical level in their superview) For instance: UIView *containerView = [[UIView alloc]…
Avba
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viewDidAppear: called when using presentViewController:animated:completion:

I have a view controller which queries a web service as to whether an interstitial ad should be shown. If so, another view controller is instantiated and presented using presentViewController:animated:completion:. According to this answer and the…
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How do I identify a blended layer in iOS?

I am triggering an iOS animation to move some elements around on my screen, and when I do so, an area at the bottom of the screen (away from where I think I'm doing the operation) changes shade slightly. When I turn on 'show blended layers' in the…
c roald
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UIButton is nil in MFMessageComposeController on iOS 6.0

I am trying to print the view hierarchy of the application's visible and hidden windows. Here is a part of my code inside a subclass of MFMessageComposeViewController: NSArray *windows = [[UIApplication sharedApplication] windows]; for(UIWindow…
oistanchev
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Subview common to multiple view controllers is unresponsive

I am using a UIView to show busy/processing clue to User and components in loading view are not responding to user touches. Let me elaborate my problem. I have around 3 UIViewControllers and based on situation one View from VieControllers would be…
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How to Insert View in Superview's View? (iOS)

I have the line of code below... How would I modify it to insert the subview in the superview's view named 'foo'? [[self superview] addSubview:copy3];
William LeGate
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How to find where UIView has been created in code - swift - Programmatically

If I see a UIView in Debug View Hierarchy and I don't know where it comes from, Is there a way to see where it has been programmatically created in code? This question describes and explains the reverse case (you have the code of the view and you…
StackGU
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UISearchController extra unexpected UIView in hierarchy

I have problem with UISearchController. It is adding one extra View as direct child of its View. It has isAccessibilityElement = true and description "Double-tap to dismiss", this blocks all Appium automatic testing. I can't figure out why, where…
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_UIRemoteView - reveal view hierarchy in Xcode

I'd like to see, how the Apple's UI frameworks are composed, in particular, the ContactsUI. However, when I try to Debug View Hierarchy in Xcode, I see only the blank _UIRemoteView. Is there any way to peek inside the view hierarchy of the contact…
Richard Topchii
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iOS: How to cover status bar with container view

I have following view hierarchy in my main view controller: Main view -> Container view -> Page view controller in container view -> Item view controller for every page I need to make item view controller to place his view above status bar of main…
art-of-dreams
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Container View Controller disappears when Child View Controller presents a Modal View Controller iOS Swift

I'm new to the iOS swift scene and i was hoping you would be able to help me find a solution or send me on an alternative route to achieving this. Here is the diagram to my Application Interface Structure So, i have the ContainerVC which has a…
pluto
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UITabBar change view hierarchy after rotating process. (or changes its position in view hierarchy)

I have a view with several subviews (with only one peculiarity I added tabBar as a subview to a view of VC) super.viewDidLoad() view.addSubview((tabBarController?.tabBar)!) view.addSubview(collectionView) view.addSubview(pageControl) …
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A TableView that "fits" (ala "sizeToFit") its dynamic cell's content size. Then nested in a parent UIView that is also "sized to fit"

I'm not sure if I'm approaching this in the most optimal way. (1) First, I want a tableView with an arbitrary number of cells, whose dynamic cell height varies (based on content from web server, cannot be calculated ahead of time). But I want the…
Jay
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View stuck behind MapView

I have tried everything to make my view appear over the map view (see code below), but it still won't show up. I don't know what to do. This is the mapView at 0.5 alpha segmentedControl = DPSegmentedControl.init( FrameWithoutIcon:…
user6436485