Chapter 1. Introducing iOS 4 with iPhone and iPad
Figure 1.1. The iPad and iPhone side by side. The primary difference between the two—the available screen real estate—is readily apparent.
Figure 1.2. Double-clicking Xcode and iOS SDK starts your installation.
Figure 1.3. The SDK includes Xcode (top) and two instances of the iOS Simulator, running in iPad mode (bottom left) and iPhone mode (right).
Figure 1.4. Apple provides you with four layers of frameworks to use when writing iOS programs.
Figure 1.5. This hierarchy graph shows a small selection of the classes available in iOS.
Chapter 2. Learning Objective-C
Figure 2.1. Headers and source code files contain distinctive parts of your Objective-C classes.
Chapter 3. Using Xcode 4
Figure 3.1. The Welcome to Xcode window appears when Xcode launches.
Figure 3.2. Choose a template for your new project.
Figure 3.3. Choose options for your new project.
Figure 3.4. Xcode 4 in a single-window interface, which has the Navigator area on the left pane, the Editor area in the center pane, and the Utility area on the right pane
Figure 3.5. Select the project’s Info.plist file to show details in the Editor area.
Figure 3.6. HelloWorldAppDelegate header file and source file under editor assistant view
Figure 3.7. Build and run the application on the iOS Simulator.
Figure 3.8. Running HelloWorld on the iOS Simulator