iOS SDK Programming A Beginners Guide

Chapter 7UIView and UIViewController

Key Skills & Concepts

• Understanding the UIView and UIViewController

• Creating a single view application using the View-based Application template

• Creating a single view application using the Window-based Application template

• Understanding an application delegate’s root view

• Setting an application’s root view in Interface Builder

• Setting an application’s root view using code

• Understanding UIView life cycle methods

UIViews are how the iOS displays information on the screen. The UIView class is responsible for displaying a rectangular area on the screen. The UIViewController manages the UIView and is responsible for handling the view’s logic. The UIViewController is the glue between the view—the ...