What is Addsubview in Swift?

Adds a view to the end of the receiver’s list of subviews.

What is the difference between ViewController and UIViewController?

Both are used for different purpose. A UIViewController class manages a ViewContoller which is responsible for actions that happen within that View controller. This class is aware of actions that happen on view controller, like ViewDidLoad, ViewWillApper, ViewDidAppear, ViewWillDisapper, ViewDidDisapper.

What is ViewDidLoad in Swift?

viewDidLoad is called when the ViewController has loaded its view hierarchy into memory. This is the point where you can perform your customized initialisation for your view controller. For instance, if your view controller has a UILabel and you want to set a custom text to it, this is the point where you do that.

How do I bring Subview to front in Swift?

To bring a view forward in Swift, call bringSubviewToFront :

  1. view. bringSubviewToFront(childView)
  2. childView. superview?. bringSubviewToFront(childView)
  3. view. sendSubviewToBack(childView)
  4. childView. superview?. sendSubviewToBack(childView)

How do I create a Subview?

2. Add iOS SubView Code Steps.

  1. Create an instance of UIKit. UIView.
  2. Invoke self. vew. addSubview() method to add the above instance to the main screen.
  3. Call the subview object’s removeFromSuperview() method to remove the child view.

What is a UIViewController?

A UIViewController is an object which manages the view hierarchy of the UIKit application. The UIViewController defines the shared behavior and properties for all types of ViewController that are used in the iOS application. The UIViewController class inherits the UIResponder class.

How do I create a view programmatically in Swift?

Creating Custom Views programatically. Open Xcode ▸ File ▸ New ▸ File ▸ Cocoa Touch class ▸ Add your class name ▸ Select UIView or subclass of UIView under Subclass of ▸ Select language ▸ Next ▸ Select target ▸ Create the source file under your project directory.