Swift

Swift

Language

Closures

• By default self is strong reference cycle...

SwiftUI

Structure

• App
  • Scene
    • View

Views

• NavigationStack
• NavigationSplitView
• NavigationLink

UIViewRepresentable

UIDeviceOrientation

import SwiftUI

struct UIViewContainer: UIViewRepresentable {
    @Binding var orientation: UIDeviceOrientation

    init(orientation: Binding<UIDeviceOrientation>) {
        self._orientation = orientation
    }

    func updateUIView(_ uiView: CameraView, context: Context) {
        // Update device orientation.
    }
}

import SwiftUI

struct ContentView : View {
    var body: some View {
        UIViewContainer(orientation: $orientation)
            .onReceive(NotificationCenter.default.publisher(for: UIDevice.orientationDidChangeNotification)) { _ in
                orientation = UIDevice.current.orientation
        }
    }
}

Sample Code

• Displaying a Point Cloud Using Scene Depth