import SwiftUI

struct TapLongPressDemo: View {
  @State private var on = false
  @State private var pressed = false
  var body: some View {
    Circle()
      .fill(on ? .green : .gray)
      .frame(width: 80, height: 80)
      .scaleEffect(pressed ? 0.9 : 1)
      .onTapGesture { on.toggle() }
      .onLongPressGesture(minimumDuration: 0.5) { pressed.toggle() }
  }
}

                    

import SwiftUI

struct ContentView: View {
  var body: some View {
    TapLongPressDemo()
  }
}

                    

import SwiftUI

@main
struct MyApp: App {
  var body: some Scene {
    WindowGroup { ContentView() }
  }
}