I want to use onboarding screen in my project, and it is work but I want to use it just once time for app, I do not know how I will do it, is there any way? struct ContentView: View {   @State private var onboardinDone = false   var data = OnboardingData.data       var body: some View {     Group {       if !onboardinDone {         OnboardingView(data: data, doneFunction: {                              print("done onboarding")         })       } else {         MainScreen()       }     }   }        } struct ContentView_Previews: PreviewProvider {   static var previews: some View {     ContentView()   } }

I have example of swiftUI project, and it is throw an error as a "Value of type 'ContentView' has no member 'restaurants'" for    self.restaurants.remove(atOffsets: indexSet) } line of code, I do not know what I missed, any idea? import SwiftUI struct ContentView: View {          @State private var selectedRestaurant: Restaurant?       var body: some View {     List {       ForEach(restaurants) { restaurant in         BasicImageRow(restaurant: restaurant)           .contextMenu {                           Button(action: {               // mark the selected restaurant as check-in               self.checkIn(item: restaurant)             }) {               HStack {                 Text("Check-in")                 Image(systemName: "checkmark.seal.fill")               }             }                           Button(action: {               // delete the selected restaurant               self.delete(item: restaurant)             }) {               HStack {                 Text("Delete")                 Image(systemName: "trash")               }             }                           Button(action: {               // mark the selected restaurant as favorite               self.setFavorite(item: restaurant)             }) {               HStack {                 Text("Favorite")                 Image(systemName: "star")               }             }           }           .onTapGesture {             self.selectedRestaurant = restaurant           }           .actionSheet(item: self.$selectedRestaurant) { restaurant in                           ActionSheet(title: Text("What do you want to do"), message: nil, buttons: [                               .default(Text("Mark as Favorite"), action: {                 self.setFavorite(item: restaurant)               }),                               .destructive(Text("Delete"), action: {                 self.delete(item: restaurant)               }),                               .cancel()             ])           }       }       .onDelete { (indexSet) in         self.restaurants.remove(atOffsets: indexSet)       }     }   }       private func delete(item restaurant: Restaurant) {     if let index = self.restaurants.firstIndex(where: { $0.id == restaurant.id }) {       self.restaurants.remove(at: index)     }   }       private func setFavorite(item restaurant: Restaurant) {     if let index = self.restaurants.firstIndex(where: { $0.id == restaurant.id }) {       self.restaurants[index].isFavorite.toggle()     }   }       private func checkIn(item restaurant: Restaurant) {     if let index = self.restaurants.firstIndex(where: { $0.id == restaurant.id }) {       self.restaurants[index].isCheckIn.toggle()     }   } } struct ContentView_Previews: PreviewProvider {   static var previews: some View {     ContentView()   } } struct BasicImageRow: View {   var restaurant: Restaurant       var body: some View {     HStack {       Image(restaurant.image)         .resizable()         .frame(width: 40, height: 40)         .cornerRadius(5)       Text(restaurant.name)               if restaurant.isCheckIn {         Image(systemName: "checkmark.seal.fill")           .foregroundColor(.red)       }               if restaurant.isFavorite {         Spacer()                   Image(systemName: "star.fill")           .foregroundColor(.yellow)       }     }   } } model: struct Restaurant: Identifiable {   var id = UUID()   var name: String   var image: String   var isFavorite: Bool = false   var isCheckIn: Bool = false } var restaurants = [ Restaurant(name: "Cafe Deadend", image: "cafedeadend"),        Restaurant(name: "Homei", image: "homei"),        Restaurant(name: "Teakha", image: "teakha"),        Restaurant(name: "Cafe Loisl", image: "cafeloisl"), ]

I have a simple app in SwiftUI, and I try to delete list items in app , project is working, but still list items not able to delete, I do not know what I did not put in my codes, any idea will be appreciated. struct MyView: View { @State private var selectedUsers: MyModel? var body: some View { ScrollView(.vertical, showsIndicators: false, content: { VStack(content: { ForEach(datas){ data in MyRowView(data: data) .contextMenu { Button(action: { self.delete(item: data) }) { Text("delete") } } .onTapGesture { selectedUsers = data } } .onDelete { (indexSet) in selectedUsers.remove(atOffsets: indexSet) }}) })} private func delete(item data: MyModel) { if let index = datas.firstIndex(where: { $0.id == data.id }) { datas.remove(at: index) } }} model: struct MyModel: Identifiable, Hashable, Codable { var id = UUID().uuidString var name: String } var datas = [ MyModel(name: "david"), MyModel(name: "marry"), ]

I have a simple app in SwiftUI, and I try to delete all list items with context menu , when I click context menu button, I want to remove all items, is it possible? struct MyView: View { @State private var selectedUsers: MyModel? var body: some View { ScrollView(.vertical, showsIndicators: false, content: { VStack(content: { ForEach(datas){ data in MyRowView(data: data) .contextMenu { Button(action: { self.delete(item: data) }) { Text("delete") } } .onTapGesture { selectedUsers = data } } .onDelete { (indexSet) in selectedUsers.remove(atOffsets: indexSet) }}) })} private func delete(item data: MyModel) { if let index = datas.firstIndex(where: { $0.id == data.id }) { datas.remove(at: index) } }} model: struct MyModel: Identifiable, Hashable, Codable { var id = UUID().uuidString var name: String } var datas = [ MyModel(name: "david"), MyModel(name: "marry"), ]

I have list items in SwiftUI, and when I delete list items I want to delete after alert menu, like "do want to delete your list items, ""yes" or "no" is it possible? struct MyView: View { @State private var selectedUsers: MyModel? var body: some View { ScrollView(.vertical, showsIndicators: false, content: { VStack(content: { ForEach(datas){ data in MyRowView(data: data) .contextMenu { Button(action: { self.delete(item: data) }) { Text("delete") } } .onTapGesture { selectedUsers = data } } .onDelete { (indexSet) in self.datas.remove(atOffsets: indexSet) }}) })} private func delete(item data: MyModel) { if let index = datas.firstIndex(where: { $0.id == data.id }) { datas.remove(at: index) } }}

I have list items in SwiftUI, and when I delete list items, but when I click the delete button, it delete item randomly, I want to delete seleted item, where is the mistake? struct MyView: View { @State private var selectedUsers: MyModel?   @State var datas: [MyModel]    @State private var confirmDelete = false var body: some View { ScrollView(.vertical, showsIndicators: false, content: { VStack(content: { ForEach(datas){ data in MyRowView(data: data) .contextMenu { Button(action: { self.delete(item: data) }) { Text("delete") } } .onTapGesture { selectedUsers = data }   .confirmationDialog( "Are you sure ?",                   isPresented: $confirmDelete,                   titleVisibility: .visible                 ){                                       Button(role: .destructive) {                     self.delete(item: data)                   } label: {                     Text("ok")                                         }                   Button(role: .cancel) {                                         } label: {                     Text("cancel")                                         }                 }             } .onDelete { (indexSet) in self.datas.remove(atOffsets: indexSet) }}) })} private func delete(item data: MyModel) { if let index = datas.firstIndex(where: { $0.id == data.id }) { datas.remove(at: index) } }}

I am trying to use confirmationDialog to delete an item in a List. But what happens is that the wrong item gets deleted. Why? Here is my code: struct MyView: View { @State private var selectedUsers: MyModel?   @State var datas: [MyModel]    @State private var confirmDelete = false var body: some View { ScrollView(.vertical, showsIndicators: false, content: { VStack(content: { ForEach(datas){ data in MyRowView(data: data) .contextMenu { Button(action: { self.delete(item: data) }) { Text("delete") } } .onTapGesture { selectedUsers = data }   .alert(isPresented: $confirmDelete) {               Alert(title: Text("title"),                 message: Text("message"),                 primaryButton: .destructive(Text("Delete")) {                                 self.delete(item: data)                                   },                 secondaryButton: .cancel())             }                               } .onDelete { (indexSet) in self.datas.remove(atOffsets: indexSet) }}) })} private func delete(item data: MyModel) { if let index = datas.firstIndex(where: { $0.id == data.id }) { datas.remove(at: index) } }}

I have small SwiftUI app, and it throw an error like "Cannot find 'state' in scope" for this line  Register(state: state) I guess it must be like that, but it is throw an error, I do not know what I missed? Any idea? struct Register: View {       @ObservedObject private var viewModel: RegisterViewModel        init(state: AppState) {    self.viewModel =RegisterViewModel(authAPI: AuthService(), state: state)    }       var body: some View { } } struct Register_Previews: PreviewProvider {       @ObservedObject private var viewModel: RegisterViewModel   @State var pushActive = false        init(state: AppState) {    self.viewModel = RegisterViewModel(authAPI: AuthService(), state: state)    }       static var previews: some View {     Register(state: state)   } } class RegisterViewModel: ObservableObject {     @Published var state: AppState       init(authAPI: AuthAPI, state: AppState) {     self.authAPI = authAPI     self.state = state   }     } }

I have small problem in my project, it throw an error as a Extra arguments at positions #3, #4 for  Auth.auth().signIn() line, I do not know what I missed? func login(email: String, password: String, name: String, surname: String) -> Future<User?, Never> { return Future<User?, Never> { promise in Auth.auth().signIn(withEmail: email, password: password, name: name, surname: surname) {(authResult, _) in guard let id = authResult?.user.providerID, let email = authResult?.user.email else { promise(.success(nil)) return } let user = User(id: id, email: email, name:name, surname:surname) promise(.success(user)) } } } model: import Foundation struct User { let id: String let email: String let name: String let surname: String }

Code below throw error as cannot convert value of type 'EventsTrigger' to expected argument type 'String?, where I miss? EventsTrigger class: public class EventsTrigger: NSObject {   static let instance: EventsTrigger = EventsTrigger() } and  self.service = NewService("node4", EventsTrigger.instance, err)

The default colour of a list row when tapped is grey. I try many solution on stackoverflow and apple form, I did not solve problem, any idea? RecentRowView: struct RecentRowView: View {         var body: some View {            HStack(spacing: 15){       List{         NavigationLink(destination: SecondView()                           ){                 VStack{         HStack{             VStack(alignment: .leading, spacing: 8, content: {                             Text(recent.name)                 .font(.custom("Helvetica Neue", size: 14))                               })           Spacer(minLength: 10)           ZStack {                 }           }  }          }         }        }     }    }

I have custom bottom navigation bar in IOS application, everythings work very well, and I want to change bottom navigation items tint color when I click the items, and I was use the self.imgView.image!.withRenderingMode(.alwaysTemplate) self.imgView.tintColor = .red in isSelected, and it is change whole icons border tint color. I do not know where I miss, any idea? RootStackTabViewController: class RootStackTabViewController: UIViewController { @IBOutlet weak var bottomStack: UIStackView! var currentIndex = 0 lazy var tabs: [StackItemView] = { var items = [StackItemView]() for _ in 0..<5 { items.append(StackItemView.newInstance) } return items }() lazy var tabModels: [BottomStackItem] = { return [ BottomStackItem(title: "Home", image: "home"), BottomStackItem(title: "Favorites", image: "heart"), BottomStackItem(title: "Search", image: "search"), BottomStackItem(title: "Profile", image: "user"), BottomStackItem(title: "Settings", image: "settings") ] }() override func viewDidLoad() { super.viewDidLoad() self.setupTabs() } func setupTabs() { for (index, model) in self.tabModels.enumerated() { let tabView = self.tabs[index] model.isSelected = index == 0 tabView.item = model tabView.delegate = self self.bottomStack.addArrangedSubview(tabView) } } } StackItemView: protocol StackItemViewDelegate: AnyObject { func handleTap(_ view: StackItemView) } class StackItemView: UIView { @IBOutlet weak var titleLabel: UILabel! @IBOutlet weak var imgView: UIImageView! @IBOutlet weak var highlightView: UIView! private let higlightBGColor = UIColor(hexString: "1160FB") static var newInstance: StackItemView { return Bundle.main.loadNibNamed( StackItemView.className(), owner: nil, options: nil )?.first as! StackItemView } weak var delegate: StackItemViewDelegate? override func awakeFromNib() { super.awakeFromNib() self.addTapGesture() } var isSelected: Bool = false { willSet { self.updateUI(isSelected: newValue) self.titleLabel.textColor = UIColor.white self.imgView.image!.withRenderingMode(.alwaysTemplate) self.imgView.tintColor = .red } } var item: Any? { didSet { self.configure(self.item) } } private func configure(_ item: Any?) { guard let model = item as? BottomStackItem else { return } self.titleLabel.text = model.title self.imgView.image = UIImage(named: model.image) self.isSelected = model.isSelected } private func updateUI(isSelected: Bool) { guard let model = item as? BottomStackItem else { return } model.isSelected = isSelected let options: UIView.AnimationOptions = isSelected ? [.curveEaseIn] : [.curveEaseOut] UIView.animate(withDuration: 0.4, delay: 0.0, usingSpringWithDamping: 1.0, initialSpringVelocity: 0.5, options: options, animations: { self.titleLabel.text = isSelected ? model.title : "" let color = isSelected ? self.higlightBGColor : .white self.highlightView.backgroundColor = color (self.superview as? UIStackView)?.layoutIfNeeded() }, completion: nil) } } extension StackItemView { func addTapGesture() { let tapGesture = UITapGestureRecognizer(target: self, action: #selector(handleGesture(_:))) self.addGestureRecognizer(tapGesture) } @objc func handleGesture(_ sender: UITapGestureRecognizer) { self.delegate?.handleTap(self) } }

I have number.name array like 1.go, 2.java, 3.swift etc..and I do not want to edit the number again, user will only change name. Is it possible?   if words.count == 24 {         for (index, textField) in textFields.enumerated() {           textField.delegate = self           textField.firstDesign()           textField.text = "\(index + 1). \(words[index])"           mneArr.append(words[index])         }

I have data in row like  Text(data.user) and I want to use searchable for it, I can use search bar, bat I want to use filter for user.    Text(data.user)                   .searchable(text: $searchText, placement: .navigationBarDrawer) like here, tere is some example for filter, but how can I use it for my data. Any idea? .onChange(of: searchText) { searchText in       if !searchText.isEmpty {         articles = sampleArticles.filter { $0.title.contains(searchText) }     } else {         articles = sampleArticles     } }

I am have a problem in general in SwiftUI, when we click any items we are open new view, but bottom nav bar still not hide, why there is not any solution in SwiftUI still?