Application Development with Swift 2 (Video 12)

This video tutorial explains the view life cycle in UI view controllers, detailing the stages from loading to transitions. It covers how to override methods, access super methods, and the importance of each stage in the life cycle. The tutorial emphasizes the significance of understanding these stages to avoid unexpected results in applications. It also provides practical examples of implementing and printing function names to track method calls.

What is the role of the UI view controller in the view life cycle?

• It is a subclass of the view controller.

• It is responsible for database operations.

• It is the base class for the view controller.

• It is used to manage network requests.

Which method is called when the view controller is first created?

• viewWillAppear

• viewDidLoad

• viewDidAppear

• loadView

What happens during the 'viewWillAppear' method?

• The view is being initialized.

• The view is being removed from memory.

• The view is about to be displayed.

• The view is transitioning to a new size.

Which method is called just after the view disappears?

• viewWillDisappear

• viewDidLoad

• viewDidDisappear

• viewWillAppear

What is the purpose of the 'viewWillTransitionToSize' method?

• To handle view initialization.

• To handle orientation changes and split screen transitions.

• To manage memory warnings.

• To manage view disappearance.