A single-view iOS application is one where the application is presented in a single screen, without any transitions or other views. This section will show how to create an application that uses a single view without storyboards. (Storyboards are covered in Chapter 4, Storyboard Applications with Swift and iOS.)
When Xcode starts, it displays a welcome message that includes the ability to create a new project. This welcome message can be redisplayed at any time by navigating to Window | Welcome to Xcode or by pressing Command + Shift + 1.
Using the welcome dialog's Create a new Xcode project option, or navigating to File | New | Project..., or by pressing Command + Shift + N, create a new iOS project with