overlay.swift

//
//  ContentView.swift
//  OverlayTest
//
//  Created by Chris Eidhof on 26.09.22.
//

import SwiftUI

struct ContentView: View {
    @State var visible = false
    @State var sheet = false
    var body: some View {
        TabView {
            Button("Show Sheet") { sheet.toggle() }
                .sheet(isPresented: $sheet, content: {
                    Button("Show Overlay") {
                        visible.toggle()
                    }
                })
        }
        .overlay {
            if visible {
                Color.secondary.edgesIgnoringSafeArea(.all)
                    .overlay {
                        Text("OVERLAY")
                    }
            }
        }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}