Chapter 8. Controls
The UIControl class provides the basis for many iPhone interactive elements, including buttons, text fields, sliders, and switches. These controls have more in common than their ancestor class. Controls all use similar layout and target-action approaches. This chapter introduces controls and their use. You discover how to build and customize controls in a variety of ways. You read about well-documented SDK calls and about less-documented ones. You see how disassembling the
UIControl view hierarchy enables you to access and modify control elements. From the prosaic to the obscure, this chapter introduces a wide range of control recipes you can reuse in your programs.
Recipe: Building Simple Buttons
The iPhone supports several ...