Swiftui 选择新选项卡时如何更新导航标题?
我有一个带有三个快捷视图(HomeView、FavoritesView和ContactsView)的选项卡视图 每个视图都类似于下面的主视图Swiftui 选择新选项卡时如何更新导航标题?,swiftui,swiftui-navigationview,swiftui-tabview,Swiftui,Swiftui Navigationview,Swiftui Tabview,我有一个带有三个快捷视图(HomeView、FavoritesView和ContactsView)的选项卡视图 每个视图都类似于下面的主视图 struct HomeView: View { var body: some View { VStack { Image(systemName: "house.fill") Text("This is the Home View") } } } 我的内容视图如下所示
struct HomeView: View {
var body: some View {
VStack {
Image(systemName: "house.fill")
Text("This is the Home View")
}
}
}
我的内容视图如下所示:
struct ContentView: View {
var body: some View {
NavigationView {
TabView {
HomeView()
.tabItem {
Label("Home", systemImage: "house")
.navigationBarTitle("Home")
}
FavoritesView()
.tabItem {
Label("Favorites", systemImage: "star")
.navigationBarTitle("Favorites")
}
ContactsView()
.tabItem {
Label("Contacts", systemImage: "person")
.navigationBarTitle("Contacts")
}
}
}
}
}
但当我运行应用程序时,每个选项卡都会为导航标题获得相同的“主页”标题
如何使用正确的选项卡更新导航标题(不在每个SwiftUI视图中添加导航视图),我相信我们应该能够仅使用一个导航视图来实现这一点?是吗?请发布代码,而不是代码的图片,它们不可搜索、复制/复制、屏幕阅读器可读等。我发布了代码。抱歉,我对这一切都不熟悉,哈哈
//Create an enum for your options
enum Tabs: String{
case home
case favorites
case contacts
}
struct TitledView: View {
//Control title by the selected Tab
@State var selectedTab: Tabs = .favorites
var body: some View {
NavigationView {
TabView(selection: $selectedTab) {
Text("HomeView()").tag(Tabs.home)
.tabItem {
Label("Home", systemImage: "house")
}
//Set the tag
.tag(Tabs.home)
Text("FavoritesView()")
.tabItem {
Label("Favorites", systemImage: "star")
}
//Set the tag
.tag(Tabs.favorites)
Text("ContactsView()")
.tabItem {
Label("Contacts", systemImage: "person")
}
//Set the tag
.tag(Tabs.contacts)
}.navigationTitle(selectedTab.rawValue.capitalized)
}
}
}