Post

Replies

Boosts

Views

Activity

NavigationDestination, NavigationLink with List and ForEach Does Not Work
Dear community, I am a new developer and I am building a view (called Root) that has a list of rows where clicking each row navigates to a completely different view. I have a CaseIteratable enum and I list each enum type using ForEach and each enum case navigates to a different view using NavigationLink and NavigationDestination. But the problem is that clicking any of the rows for the first time navigates correctly to the corresponding view. But when I go back to the root view and chose another row, it navigates me to a blank view for less than a sec and automatically navigates back to the root view. Below is the code for reference. I would really appreciate some help and advice here. Thank you very much! struct RootViewNavigationStack: View { @AppStorage("items") private var items = Item.allCases @State private var enableMove = false @State private var rootStackPath: NavigationPath = .init() var body: some View { NavigationStack(path: $rootStackPath) { VStack { List { ForEach(items) { item in HStack { NavigationLink(value: item) { ListCell( icon: item.icon, title: item.title) } .disabled(enableMove) if enableMove { withAnimation { Image(systemName: "line.3.horizontal") .foregroundStyle(.secondary) } } } } .onMove(perform: enableMove == true ? moveItems : nil) } } .toolbar { ToolbarItem(placement: .navigationBarTrailing) { Button { enableMove.toggle() } label: { if enableMove { Text("Done") .bold() } else { Text("Edit") } } } } .navigationDestination(for: Item.self) { item in item.destinationView } .navigationTitle("Root") } } } and this is the Item enum for more info Just kindly ignore the var iconName since it doesnt represent any actual SF Symbol name enum Item: Identifiable, Codable, Hashable, CaseIterable { case view1 case view2 case view3 case view4 case view5 var id: Item { self } } extension Item { var title: String { switch self { case .view1: "View1" case .view2: "View2" case .view3: "View3" case .view4: "View4" case .view5: "View5" } } var iconName: String { switch self { case .view1: "View1" case .view2: "View2" case .view3: "View3" case .view4: "View4" case .view5: "View5" } } var icon: Image { Image(systemName: self.iconName) } @ViewBuilder var destinationView: some View { switch self { case .view1: CarView() case .view2: HouseView() case .view3: MusicView() case .view4: ShoesView() case .view5: BooksView() } } } Once again, would really appreciate someone to help and many thanks 🙏!
4
0
446
Jul ’24
List Rows Can Be Moved While Not Editing
Hi, I am building a view containing a list of struct objects. I have implemented the onMove to allow the list rows to be moved together with the toolbar EditButton. This works but I have a problem as per title, even when the EditButton is not clicked, i.e., not in editing mode, I still can move the list rows by long pressing the rows. I have searched high and low for a solution but couldn't find one that works perfectly. Below is the code snippet. I am a new iOS dev and really appreciate if someone could help me. Many thanks! @AppStorage("fruits") private var fruits = Fruits.fruits var body: some View { NavigationStack { VStack { List { ForEach(fruits) { fruit in NavigationLink(destination: FruitsView(title: fruit.title)) { fruit.icon Text(fruit.title) } } .onMove { fruits.move(fromOffsets: $0, toOffset: $1) } } .environment(\.defaultMinListRowHeight, UIElementConstants.listCellHeight) } .toolbar { EditButton() } .navigationTitle("Fruits") } } struct Fruits: Identifiable, Codable { var id: UUID var title: String var iconName: String var icon: Image { Image(systemName: self.iconName) } init(id: UUID = UUID(), title: String, iconName: String) { self.id = id self.title = title self.iconName = iconName } } extension Fruits { static let fruits: [Fruits] = [ Fruits( title: "Apple", iconName: "basket.fill"), Fruits( title: "Banana", iconName: "basket.fill"), Fruits( title: "Pineapple", iconName: "basket.fill") ] }
4
1
403
Jun ’24