Application Development with Swift 2 (Video 20)

This video tutorial covers working with multiple view controllers, focusing on UI Table View and UI Navigation Controller. It explains how to embed view controllers within a navigation controller, set up navigation, and pass data between controllers. The tutorial also demonstrates running the application to observe the navigation bar and transitions.

What is the primary role of a UI navigation controller in an app?

• To design the app's user interface

• To manage the app's database

• To manage the navigation stack and transitions

• To handle user authentication

What is the first step in embedding a view controller within a navigation controller?

• Add a new view controller to the project

• Create a new storyboard

• Delete the existing view controller

• Select the view controller and choose 'Embed In' from the editor menu

What change occurs in the storyboard when a table view controller is embedded in a navigation controller?

• The storyboard becomes blank

• A new navigation controller appears

• The table view controller is duplicated

• The table view controller is deleted

After embedding, what becomes the root view controller in the navigation stack?

• The initial view controller

• The storyboard

• The navigation controller

• The last view controller

What visual change is observed when the app is run after embedding the table view controller?

• A navigation bar appears at the top

• The table view disappears

• The screen turns black

• The app crashes