Application Development with Swift 2 (Video 21)

This video tutorial explains how to use segues in iOS app development. It covers embedding view controllers within a UI navigation controller, adding a UI bar button item, and implementing a basic segue to navigate between view controllers. The tutorial demonstrates creating a segue in the storyboard and adding a bar button to the navigation bar. It concludes with a test run of the implemented segue and a preview of the next video, which will focus on passing objects between view controllers.

What is the purpose of using segues in a navigation controller?

Describe the process of adding a UI bar button item to a navigation item.

How do you create a segue from one view controller to another?

What happens when you click the button added to the navigation controller?

Explain how objects can be passed between view controllers.