What is a custom view controller?
A custom view controller is a subclass of UIViewController that you use to present your application’s content. Many of the Xcode project templates come with a custom view controller class that you can modify for your needs. Choose File > New File to add a new source file to your project.
What is a view controller in Swift?
A view controller manages a single root view, which may itself contain any number of subviews. User interactions with that view hierarchy are handled by your view controller, which coordinates with other objects of your app as needed. Every app has at least one view controller whose content fills the main window.
What is custom view in Swift?
View objects encapsulate logic to display information on the screen and respond to user events. UIKit comes with a catalog of views that can be used to build many kinds of user interfaces. However, you can also define your own custom view classes.
What does a view controller do?
A view controller acts as an intermediary between the views it manages and the data of your app. The methods and properties of the UIViewController class let you manage the visual presentation of your app.
Which is the initial view controller in Swift?
Try this. For example: You should use UINavigationController as the initial view controller. Then, you can set any view controller as root from the storyboard. See my storyboard screen. For new Xcode 11.xxx and Swift 5.xx, where the target it set to iOS 13+.
How to create a custom view controller in iOS?
The UIModalPresentationCustom style lets you present a view controller using a custom style that you define. Creating a custom style involves subclassing UIPresentationController and using its methods to animate any custom view onto the screen and to set the size and position of the presented view controller.
What is an example of a container view controller?
A container view controller mixes the content of one or more child view controllers together with optional custom views to create its final interface. For example, a UINavigationController object displays the content from a child view controller together with a navigation bar and optional toolbar, which are managed by the navigation controller.
How to create custom transitions in view controller?
You can create custom transitions using an animator object and transitioning delegate. The animator object creates the transition animations for placing the view controller onscreen. The transitioning delegate supplies that animator object to UIKit at the appropriate time.
