Код: Выделить всё
struct Slider: View {
@Binding var progress: CGFloat
private let stroke: CGFloat = 5.0
private var thumbWidth: CGFloat { stroke * 2 }
private var thumbHeight: CGFloat { thumbWidth * 3.5 }
var body: some View {
GeometryReader { geometry in
ZStack {
Color.black.ignoresSafeArea()
VStack {
let progressWidth = geometry.size.width * progress
let sliderWidth = geometry.size.width - thumbWidth
ZStack(alignment: .leading) {
RoundedRectangle(cornerRadius: stroke)
.frame(height: stroke)
.foregroundStyle(Color.white.opacity(0.5))
.padding(.leading, progressWidth)
Rectangle()
.fill(Color.white.opacity(0.5))
.mask(alignment: .leading) {
Rectangle()
.frame(width: progressWidth)
}
Capsule()
.fill(.red)
.frame(width: thumbWidth, height: thumbHeight)
.offset(x: progress * (geometry.size.width - thumbWidth))
.gesture(
DragGesture()
.onChanged { gesture in
let newProgress = min(max(gesture.location.x / sliderWidth, 0), 1)
progress = newProgress
}
)
}
.frame(height: thumbHeight)
}
}
}
}
}
struct SliderView: View {
@State private var progress: CGFloat = 0.0
var body: some View {
ZStack {
Color.black.ignoresSafeArea()
Slider(progress: $progress)
}
}
}

Большой палец близко к концу:

Подробнее здесь: https://stackoverflow.com/questions/791 ... in-swiftui
Мобильная версия