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import SwiftUI
struct NavigationStackView: View {
@State var presentSheetKey = false
@State var presentFullScreenCoverKey = false
var body: some View {
NavigationStack {
List {
Section {
NavigationLink(destination: PushView(),label: {Text("I am Root. Tap for Push View -1")})
NavigationLink{
PushView()
} label: {
Text("I am Root. Tap for Push View -2")
}
NavigationLink("I am Root. Tap for Push View -3", destination: PushView())
NavigationLink("I am Root. Tap for Push View -4") {
PushView()
}
} header: {
Text("push")
}
Section {
Button {
self.presentSheetKey.toggle()
} label: {
Text("sheet").foregroundColor(.primary)
}
Button {
self.presentFullScreenCoverKey.toggle()
} label: {
Text("fullScreenCover").foregroundColor(.primary)
}
} header: {
Text("present")
}
}.navigationTitle("view跳转")
}
.sheet(isPresented: $presentSheetKey) {
//非全屏模式
PresentView()
}
.fullScreenCover(isPresented: $presentFullScreenCoverKey, content: {
//全屏模式
PresentView()
})
}
}
struct PushView: View {
@Environment(\.dismiss) var dismiss
var body: some View {
VStack {
Image(systemName: "phone")
.resizable()
.frame(width: 80, height: 80)
Text("hello")
.font(.system(.title, design: .rounded))
.fontWeight(.black)
Spacer()
Button("Here is Detail Push View. Tap to go back."){
dismiss()
}
}
}
}
struct PresentView: View {
//用于退出该界面
//@Environment(\.presentationMode) var presentationMode
@Environment(\.dismiss) var dismiss
var body: some View {
VStack(alignment: .center, spacing: nil, content: {
Spacer()
HStack(content: {
Spacer()
})
Button("Here is Detail Present View. Tap to go back.") {
dismiss()
// self.presentationMode.wrappedValue.dismiss()
}
.font(.system(size: 20))
.foregroundColor(.red)
.background(Color.white)
Spacer()
})
.background(Color.gray)
.navigationBarTitle("presentView", displayMode: .inline)
}
}
struct NavigationStackView_Previews: PreviewProvider {
static var previews: some View {
NavigationStackView()
}
}
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