SwiftUI Repaint View Components on Device Rotation

Question

How to detect device rotation in SwiftUI and re-draw view components?

I have a @State variable initialized to the value of UIScreen.main.bounds.width when the first

Answer 1

This seems to work for me. Then just init and use Orientation instance as environmentobject

class Orientation: ObservableObject {
        let objectWillChange = ObservableObjectPublisher()

        var isLandScape:Bool = false {
            willSet {
                objectWillChange.send() }
        }

        var cancellable: Cancellable?

        init() {

            cancellable = NotificationCenter.default
                .publisher(for: UIDevice.orientationDidChangeNotification)
                .map() { _ in (UIDevice.current.orientation == .landscapeLeft || UIDevice.current.orientation == .landscapeRight)}
                .removeDuplicates()
                .assign(to: \.isLandScape, on: self)
        }
    }