How do I add a child view controller in swift 5?

It takes four steps:

  1. Call addChild() on your parent view controller, passing in your child.
  2. Set the child’s frame to whatever you need, if you’re using frames.
  3. Add the child’s view to your main view, along with any Auto Layout constraints.
  4. Call didMove(toParent:) on the child, passing in your main view controller.

What is container view controller?

Container view controllers are a way to combine the content from multiple view controllers into a single user interface. Container view controllers are most often used to facilitate navigation and to create new user interface types based on existing content.

What is UIViewController in iOS?

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.

What are the benefits of using child view controllers?

Child view controllers are especially useful for UI functionality that we wish to reuse across a project. For example, we might want to display a loading view as we’re loading the content for each screen — and that can easily be implemented using a child view controller, that can then simply be added when needed.

What is child view controller in Swift?

Adding and removing child view controllers ensures that the parent view controller knows of its children. This will help when doing things like calling a modal from a child view that has been added to the parent. This behavior can be buggy if the parent doesn’t know that it’s connected to the child.

What is Nsview?

The infrastructure for drawing, printing, and handling events in an app. macOS 10.0+

What is container view Android?

A container is a view used to contain other views. Android offers a collection of view classes that act as containers for views. These container classes are called layouts, and as the name suggests, they decide the organization, size, and position of their children views.

What is UI responder?

An abstract interface for responding to and handling events.

What is UIViewRepresentable?

‘UIViewRepresentable’ Protocol The makeUIView allows us to set up our representable view ( UIActivityIndicatorView , in our case). It’ll be called only once during the SwiftUI view’s lifecycle. The updateUIView gets triggered whenever its enclosing SwiftUI view changes its state.