Explore these SwiftUI samples using Swift Playgrounds on iPad or in Xcode to learn about defining user interfaces, responding to user interactions, and managing data flow.
Some nice examples for how to build a more complex tutorial in DocC.
For SwiftUI, the biggest difficulty1 remains data flow through a more complex apps. I wish Apple would weigh in and provide some examples there.
Of cause besides custom layouts and UIKit customisation, which mostly remains just impossible today without serious hacks ↩︎