我在我的项目中使用 SwfitUI,我有一个 NavigationView 和 List。我在打开详细视图后单击单元格并单击导航返回按钮。单击导航后退按钮后,我想删除视图(它是结构,在 SwiftUI 中)。因为如果我再次单击同一个单元格或按钮,它不会初始化新视图,而是显示旧视图。我想刷新这个视图。我该怎么办?
我的 FirstView 结构是:
struct FirstView: View {
@ObservedObject var viewModel: FirstViewModel
var body: some View {
List(self.viewModel.objects, id: \.id) { object in
ZStack {
DetailViewCell(object: object)
NavigationLink(destination: DetailViewBuilder.make(object)) {
EmptyView()
}.buttonStyle(PlainButtonStyle())
}
}
}
}
Run Code Online (Sandbox Code Playgroud)
我的 DetailView 结构是:
struct DetailView: View {
@ObservedObject var viewModel: DetailViewModel
var body: some View {
ZStack(alignment: .top) {
Color.mainBackground.edgesIgnoringSafeArea(.all)
VStack {
ZStack {
Image("Square")
Image(self.viewModel.currentImage)
}
Text(self.viewModel.currentText)
.padding()
.frame(alignment: .center)
.minimumScaleFactor(0.1)
Spacer()
Button(action: {
self.viewModel.pressedPlayOrPauseButton()
}, label: …Run Code Online (Sandbox Code Playgroud)