ContinuousLongPressView.Swift

import SwiftUI

struct ContinuousLongPressView: View {
    
    @GestureState private var isDetectingLongPress = false
    var longPress: some Gesture {
        LongPressGesture(minimumDuration: 1)
            .updating($isDetectingLongPress) { value, gestureState, _ in
                gestureState = value
            }.onEnded { value in
                print("LongPress OnEnded")
            }
    }
    
    @GestureState private var isDetectingContinuousPress = false
    var continuousPress: some Gesture {
        LongPressGesture(minimumDuration: 0.1)
            .sequenced(before: DragGesture(minimumDistance: 0, coordinateSpace: .local))
            .updating($isDetectingContinuousPress) { value, gestureState, _ in
                switch value {
                case .second(true, nil):
                    gestureState = true
                    print("updating: Second")
                default:
                    break
                }
            }.onEnded { value in
                switch value {
                case .second(_, _):
                    print("onended: Second")
                default:
                    break
                }
            }
    }
    
    var body: some View {
        VStack {
            Image(systemName: isDetectingLongPress ? "globe" : "pause.fill")
            Button {} label: {
                Text("Long Press Button")
            }.simultaneousGesture(longPress)
            
            Divider()
            
            Image(systemName: isDetectingContinuousPress ? "globe" : "pause.fill")
            Button {} label: {
                Text("Continuous Press Button")
            }.simultaneousGesture(continuousPress)
        }
        // Bool 값이 변경되었을 때의 처리는 onChange에서
        // .onChange(of: isDetectingLongPress) { newValue in
        //     print("onChange", newValue)
        // }
    }
}