Application Development with Swift 2 (Video 14)

This video tutorial explains how to use delegate protocols and notifications in iOS development. It covers the implementation of UITextFieldDelegate to manage text field behavior, such as dismissing the keyboard. The tutorial also introduces notifications, showing how to use them to respond to keyboard events. By the end, viewers will understand how to use delegation and notifications to enhance user interactions in their apps.

What happens when the return button is pressed in a text field?

Explain how to create observers for keyboard notifications.

What is the significance of the UIKeyboardWillShowNotification?