Learn SwiftUI

Building for multiple devices

Whether you're building for iOS, macOS, iPadOS, tvOS, or watchOS, SwiftUI has you covered. All the features of SwiftUI can be built once and can support multiple devices, thus eliminating the need to write code multiple times.

In this book, we'll start by building an iOS app, which can be easily turned into an iPadOS app, followed by a watchOS app.

With UIKit, we had many options to build a cross-device UI right within Interface Builder, but this could often lead to complicated AutoLayout constraints, traits, or even size classes (which no-one ever really understood...).

SwiftUI's standard library is written in Swift. However, its core foundation is actually written in C++ .

Next, we'll talk about the circumstances ...