CALayer equivalent in SwiftUI

Question

UIViews are known to be layer backed, but not sure about SwiftUI View. Is there a concept of layer in SwiftUI which can be added as sublayer, animated, everything you could do with CALayer?

Answer 1

In the "Building Custom Views with SwiftUI" talk, they demonstrated that Views and Drawing models/interfaces have essentially been combined under the hood in the framework. Therefore, a View has layer like attributes but built onto the View itself rather than a layer abstraction.

Source: https://developer.apple.com/videos/play/wwdc2019/237/

Answer 2

import SwiftUI
import AVFoundation

struct DrawingView: UIViewRepresentable {

    private let view = UIView()

    var layer: CALayer? {
        view.layer
    }

    func makeUIView(context: Context) -> UIView {
        view
    }

    func updateUIView(_ uiView: UIView, context: Context) { }
}