[英]How to create dragable view from top in SwiftUI?
I am trying to create dragable view from top which is kind of overlay.. I am attaching something same but having bottom sheet but i am looking for Top sheet.我正在尝试从顶部创建可拖动视图,这是一种覆盖。我正在附加相同的东西但有底页,但我正在寻找顶页。 When overlay come background should be blur.
当叠加来背景应该是模糊的。
I am not sure about how to implement hence dont have code..I tried parent child for List in SwiftUI but that is having diff.我不确定如何实施,因此没有代码。我在 SwiftUI 中尝试了 List 的 parent child 但它有差异。 Behaviour.
行为。
Any example or suggestion is appropriated.任何示例或建议都是适当的。
something like this?是这样的吗?
struct SheetView: View {
let title: String
var body: some View {
NavigationView {
List {
ForEach(0..<30) { item in
Text("Item \(item)")
}
}
.listStyle(.plain)
.navigationTitle(title)
}
}
}
struct ContentView: View {
@State private var currentDrag: CGFloat = 0
@State private var stateDrag: CGFloat = -300
let minDrag: CGFloat = -UIScreen.main.bounds.height + 120
var body: some View {
ZStack {
VStack(spacing: 0) {
Spacer(minLength: 36)
SheetView(title: "Bottom Sheet")
.background(.primary)
.opacity(stateDrag + currentDrag > minDrag ? 0.5 : 1)
.blur(radius: stateDrag + currentDrag > minDrag ? 5 : 0)
}
VStack(spacing: 0) {
SheetView(title: "Top Sheet")
.background(.background)
.offset(x: 0, y: stateDrag + currentDrag)
Image(systemName: "line.3.horizontal").foregroundColor(.secondary)
.padding()
.frame(maxWidth: .infinity)
.background(.background)
.contentShape(Rectangle())
.offset(x: 0, y: stateDrag + currentDrag)
.gesture(DragGesture()
.onChanged { value in
withAnimation {
currentDrag = value.translation.height
}
}
.onEnded { value in
stateDrag += value.translation.height
stateDrag = max(stateDrag, minDrag)
currentDrag = .zero
})
}
}
}
}
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