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Why make custom transitions in UIViewController?

Why make custom transitions in UIViewController?

Custom UIViewController transitions can significantly enhance your users’ experiences and set your app apart from the rest of the pack. If you’ve avoided making your own custom transitions because the process seems too daunting, you’ll find that it’s not nearly as difficult as you might expect.

Who wrote the original UIViewController tutorial?

The original tutorial was written by József Vesza. iOS delivers some nice view controller transitions — push, pop, cover vertically — for free but it’s great fun to make your own. Custom UIViewController transitions can significantly enhance your users’ experiences and set your app apart from the rest of the pack.

What is a custom view controller?

Custom view controllers define the overall behaviors of your app, including the app’s appearance and how it responds to user interactions. The following sections provide a brief overview of some of the tasks your custom subclass performs.

How do I specify the views of a view controller?

Specify the views for a view controller using a Nib file. A nib file lets you specify the views of a single view controller but does not let you define segues or relationships between view controllers. The nib file also stores only minimal information about the view controller itself.

What happens when the interface orientation changes in UIKit?

When the interface orientation changes, UIKit calls this method on the window’s root view controller. That view controller then notifies its child view controllers, propagating the message throughout the view controller hierarchy.

What are transitions styles available when presenting view controllers?

Transition styles available when presenting view controllers. A Boolean value indicating whether the view controller enforces a modal behavior. A Boolean value that indicates whether this view controller’s view is covered when the view controller or one of its descendants presents a view controller.