4 Views and the View Hierarchy
In this chapter, you will learn about views and the view hierarchy. In particular, you are going to write an app named Hypnosister that draws a full-screen set of concentric circles.
Figure 4.1 Hypnosister
In Xcode, select File → New → Project... (or use the keyboard shortcut Command-Shift-N). From the iOS section, select Application, choose the Empty Application template, and click Next.
Enter Hypnosister for the product name and BNR for the class prefix, as shown in Figure 4.2. Make sure iPhone is selected from the Devices drop down and make sure the Use Core Data box is unchecked.
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