You have turned the CarValet app into a universal app, one that supports both iPhone/iPod touch and iPad. By doing so, you greatly increase the number of possible customers. As you went through this chapter, you learned some important information about designing for the iPad, including how to present information and how to use the split view controller for navigation-based apps.
UISplitViewController, including how it uses master and detail controllers to make navigating hierarchies of data easy. You began adding a tablet experience by adding a split view controller to the iPad storyboard and adding code to check whether the app is running on an iPad.
Next, you added navigation to the master controller and got practice with ...