How do I delete a Subview in Swift?

How do I delete a Subview in Swift?

How do I delete a Subview in Swift?

How to remove all subviews of a view in Swift?

  1. Simple For Loop. for subView in containerView.
  2. ForEach Loop. containerView.
  3. Using Map Function. containerView.
  4. Making Extension.
  5. Going Universal with Generics.
  6. The Same but Using Filter and Map Functions.

How do I remove a specific subview from a view in Swift?

Remove subview by calling removeFromSuperview method on it.

  1. In Objective-C: // Remove all subviews from self.view for (UIView *subUIView in self.view.subviews) { [subUIView removeFromSuperview]; }
  2. In Swift: for subUIView in self.subviews as [UIView] { subUIView.removeFromSuperview() }
  3. Best way to remove all subviews:

What does remove from superview do?

removeFromSuperview() Unlinks the view from its superview and its window, removes it from the responder chain, and invalidates its cursor rectangles.

How remove all Subviews from Stackview?

Managing Subviews To remove an arranged subview that you no longer want around, you need to call removeFromSuperview() on it. The stack view will automatically remove it from the arranged subview list.

How do I delete all Sublayers in Swift?

Set the sublayers property to nil to remove all sublayers from a view.

How do I delete a view in Stackview?

To prevent the view from appearing on screen after calling the stack’s removeArrangedSubview: method, explicitly remove the view from the subviews array by calling the view’s removeFromSuperview() method, or set the view’s isHidden property to true.

How do I check if a UIView has a Subview?

7 Answers. You are probably looking for UIView’s -(BOOL)isDescendantOfView:(UIView *)view; taken in UIView class reference. Return Value YES if the receiver is an immediate or distant subview of view or if view is the receiver itself; otherwise NO.

How do I remove all Subviews from UIView?

[someNSView setSubviews:[NSArray array]]; For UIView (iOS development only), you can safely use makeObjectsPerformSelector: because the subviews property will return a copy of the array of subviews: [[someUIView subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)];

How do I dismiss UIView?

How to dismiss UIView on tap Swift4

  1. var gesture : UITapGestureRecognizer? override func viewDidLoad() { super. viewDidLoad() NotificationCenter. default.
  2. let closeTapGesture = UITapGestureRecognizer(target: view, action: #selector(getter: view2. isHidden) view. addGestureRecognizer(closeTapGesture)

How do I uninstall child view controller?

To remove a child view controller from your content, remove the parent-child relationship between the view controllers by doing the following:

  1. Call the child’s willMoveToParentViewController: method with the value nil .
  2. Remove any constraints that you configured with the child’s root view.

How do you remove Sublayers?

How do I delete a layer in Swift?

Another way to remove specific layer from super layer is to assign unique string in layer.name property. Which you can compare later to identify and remove it out. I did it in Swift 3 using popLast() .