Tab Bars and Pickers
In the previous chapter, you built your first multiview application. In this chapter, you're going to build a full tab bar application with five different tabs and five different content views. Building this application will reinforce a lot of what you learned in Chapter 6. Now, you're too smart to spend a whole chapter doing stuff you already sort of know how to do, so we're going to use those five content views to demonstrate a type of iOS control that we have not yet covered. The control is called a picker view, or just a picker.
You may not be familiar with the name, but you've almost certainly used a picker if you've owned an iPhone or iPod touch for more than, say, 10 minutes. Pickers are the controls with ...