如何通过轻按来更改SwiftUI Slider
的值?
fszxg 回答:通过点击来设置SwiftUI滑块的值
这是我使用GeometryReader创建的最小化实现,该值四舍五入到最接近的值:
struct TappableSlider: View {
var value: Binding<Float>
var range: ClosedRange<Float>
var step: Float
var body: some View {
GeometryReader { geometry in
Slider(value: self.value,in: self.range,step: self.step)
.gesture(DragGesture(minimumDistance: 0).onEnded { value in
let percent = min(max(0,Float(value.location.x / geometry.size.width * 1)),1)
let newValue = self.range.lowerBound + round(percent * (self.range.upperBound - self.range.lowerBound))
self.value.wrappedValue = newValue
})
}
}
}
可以像普通滑块一样使用,例如
TappableSlider(value: $sliderValue,in: 1...7,step: 1.0)