尝试创建类似于Apple日历应用程序中的“创建事件”模态的模态。我已经在父级NavigationView中使用以下代码成功显示了模态:
.navigationBarItems(trailing:
Button(action: {
self.isModal = true
}) {
Image(systemName: "plus").sheet(isPresented: $isModal,content: {
EventCreate(showModal: self.$isModal)
})
}
)
模式显示成功,但是我无法在模式中显示NavigationBar,如下所示:
struct EventCreate: View {
@Binding var showModal: Bool
@State var event = Event(id: 0,title: "",description: "",location: "",start: Date(),end: Date(),cancelled: false,public_occurrence: false,created: "",last_updated: "",guests: -1)
var body: some View {
NavigationView {
Form{
Section {
TextField("Title",text: $event.title)
TextField("Location",text: $event.location)
}
Section {
DatePicker(selection: $event.start,label: { Text("Start") })
DatePicker(selection: $event.end,label: { Text("End") })
}
}
}
.navigationBarTitle(Text("Create Event"),displayMode: .inline)
.navigationBarItems(leading:
Button("Close") {
self.showModal = false
})
}
}
将构建应用程序,并显示“表单”,但NavigationView不会:
我该如何演出?还是我应该使用另一个视图代替NavigationView