struct ContentView: View {   @State private var sliderValue = 50.0   @State private var showSlider = true     var body: some View {       VStack {         if showSlider {           BullSlider(value: $sliderValue, in: 1.0...100.0)         }         Button("Toggle") {showSlider.toggle()}.padding()       }     } } struct BullSlider: View {   @Binding var value: Double   var bounds: ClosedRange<Double>   init(value: Binding<Double>, in bounds: ClosedRange<Double>) {     let thumbImage = BullThumb().snapshot()     UISlider.appearance().setThumbImage(thumbImage, for: .normal)     self.bounds = bounds     self._value = value   }   var body: some View {     Slider(value: $value, in: bounds)   } } struct BullThumb: View {   var body: some View {     VStack {       ZStack {         Circle()           .frame(width: 50, height: 50)           .foregroundColor(.white)         Circle()           .strokeBorder(lineWidth: 6)           .frame(width: 44, height: 44)         Circle()           .strokeBorder(lineWidth: 6)           .frame(width: 24, height: 24)       }       .foregroundColor(.blue)       Spacer()         .frame(height: 60)     }   } } extension View {   func snapshot() -> UIImage {     let controller = UIHostingController(rootView: self)     let view = controller.view     let targetSize = CGSize(width: 50, height: 60)//controller.view.intrinsicContentSize     view?.bounds = CGRect(origin: CGPoint(x: 0, y: 0), size: targetSize)     view?.backgroundColor = .clear     let renderer = UIGraphicsImageRenderer(size: targetSize)     return renderer.image { _ in       view?.drawHierarchy(in: controller.view.bounds, afterScreenUpdates: true)     }   } }