2.5.7 — Dragging Movements

swift

class SliderViewController: UIViewController {

    @IBOutlet weak var slider: UISlider!
    @IBOutlet weak var moveLeft: UIButton!
    @IBOutlet weak var moveRight: UIButton!

    override func viewDidLoad() {
        super.viewDidLoad()
        // Setup slider
    }

    // Alternative action to decrease
    @IBAction private func decrease(sender: UIButton) {
        slider.value = max(slider.value - 1, slider.minimumValue)
    }

    // Alternative action to increase
    @IBAction private func increase(sender: UIButton) {
        slider.value = min(slider.value + 1, slider.maximumValue)
    }
}

swift

struct SliderView: View {
    @State private var sliderValue: Double = 50 // Initial value

    var body: some View {
        VStack(spacing: 24) {
            // Slider
            Slider(value: $sliderValue, in: 0...100, step: 1)
            
            HStack {
                // Alternative action to decrease
                Button(action: {
                    sliderValue -= 1
                }) {
                    Text("-1")
                }
                
                // Alternative action to increase
                Button(action: {
                    sliderValue += 1
                }) {
                    Text("+1")
                }
            }
        }
    }
}