Chapter 4. View Controllers
WHAT YOU WILL LEARN IN THIS CHAPTER:
Understand the structure of an iPad Application project
How to create a Window-based Application and manually add a View Controller and a View window to it
How to create views dynamically during runtime
How to wire up events of views with event handlers via code
How to switch to another view during runtime
How to animate the switching of views
How to create a Split View-based Application
How to create a Tab Bar Application
So far you've dealt only with single-view applications — that is, applications with a single View Controller. The previous chapters all use the View-based Application template available in the iPhone SDK because it is the simplest way to get started in iPad programming. When you create a View-based Application, there is one View Controller (named
>ViewController by the iPhone SDK) by default.
In real-life applications, you often need more than one View Controller, with each controlling a different view displaying different information. This chapter shows various types of projects you can create for your iPad and how each utilizes a different type of View Controller. You will also learn how to create multiple views in your application and then programmatically switch among them during runtime. In addition, you learn how to animate the switching of views using the built-in animation methods available in the iPhone SDK.
THE VIEW-BASED APPLICATION TEMPLATE
When you create a View-based Application project ...