Chapter 3
Handling Basic Interaction
Our Hello World application was a good introduction to iOS development using Cocoa Touch, but it was missing a crucial capability: the ability to interact with the user. Without that, our application is severely limited in terms of what it can accomplish.
In this chapter, we're going to write a slightly more complex application, which will have two buttons as well as a label, as shown in Figure 3–1. When the user taps either of the buttons, the label's text changes. This may seem like a rather simplistic example, but it demonstrates the key concepts of implementing user interaction in your iOS applications.
Figure 3–1. The simple two-button application we will build in this chapter
The Model-View-Controller ...
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