Beginning iPhone Development with SwiftUI: Exploring the iOS SDK

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

W. WangBeginning iPhone Development with SwiftUIhttps://doi.org/10.1007/978-1-4842-7818-5_2

2. Designing User Interfaces with SwiftUI

Wally Wang¹  

(1)

San Diego, CA, USA

 

Every app needs a user interface. The basic idea behind SwiftUI is to create a user interface using building blocks known as “views.” A view displays a single item on the user interface such as text, an image, or a button as shown in Figure 2-1.

Figure 2-1

The parts of a SwiftUI user interface

One limitation of SwiftUI is that it can only display a single view on the screen at a time. To get around ...