I have a List which acts like a form where you can enter values. It uses a custom View struct SectionArea to separate the various sections and cut down on code duplication, like this: List { SectionArea(title: "Section One", height: 176, horizontalPadding: 0, roundCorners: (0, 0, 0, 0)) { VStack { Button { print("Pressed Button One") fullScreenViewChoice = .optionOne showSubView.toggle() } label: { HStack { Text("Button One") Spacer() Image(systemName: "chevron.right") } } .frame(height: 40) Divider() Button { print("Pressed Button Two") fullScreenViewChoice = .optionTwo showSubView.toggle() } label: { HStack { Text("Button Two") Spacer() Image(systemName: "chevron.right") } } .frame(height: 40) Divider() } } } .listStyle(.plain) .listRowSpacing(0) It works fine, but regardless of which button I press it always acts as though both buttons have been pressed. Say I press Button One, the console will display: Pressed Button One Pressed Button Two Can someone tell me where I'm going wrong here, please? Thanks! EDIT: Actually, it doesn't look like it's because of the SectionArea struct, because I've taken the code from there and wrapped it around the content directly, rather than using that struct, and it still does it. I've removed everything and just put this: List { VStack { ButtonOne ButtonTwo } } It still presses both buttons.

iOS app with Home Screen and Lock Screen widgets written in Swift/SwiftUI. I've never been able to get widgets to work properly. It's more pronounced on Lock Screen widgets, so let's try that method first... The app stores data in Core Data as an Event. They're read into my model and stored as WidgetEventDetails structs: struct WidgetEventDetails: AppEntity, Identifiable, Hashable { public var eventId: String public var name: String public var date: Date public var id: String { eventId } This all works absolutely fine in the iOS app, and each one is unique based on the eventId. When I go to add a Lock Screen widget, I customise the Lock Screen, tap in the section to add a widget, and my widgets appear correctly and are selectable: (bottom right, says "1y 28w 1d") So, I tap it and it appears in the widgets section: But it appears as "17w 6d", which is a different event entirely. Notice how the one in the selectable widgets has changed to "15w 5d", and the one I tapped (1y 28w 1d) is nowhere to be seen. So, I tap the one in the top row (17w 6d) to select an event, and this appears, suggesting that the event is the "Edinburgh & Glasgow 2024-02" event: But that event is actually only a day away (1d), so that's not the one I selected at all. I tap the list and see these events: I select "Las Vegas 2024", which is 17w 3d away, and this is shown: 17w 6d is a different event, not Las Vegas 2024. So, I tap it again and see this. The "Loading" text appears for ages, but occasionally does show the full list, as before: I select "Edinburgh & Glasgow 2024-02" which is 1d away, and I see this again: So, I resign myself to hoping it'll just figure itself out, and I tap "Done": "17w 6d" again :( I finish customising, and exit the customisation screen. I show the Lock Screen, and I see this: Why doesn't this work? Here's the code: @main struct WidgetExtensionBundle: WidgetBundle { @WidgetBundleBuilder var body: some Widget { WidgetExtension() } } struct WidgetExtension: Widget { var body: some WidgetConfiguration { AppIntentConfiguration(kind: kWidgetKind, intent: WidgetEventIntent.self, provider: WidgetEventTimelineProvider()) { entry in WidgetEntry(entry: entry) .environment(modelData) } .configurationDisplayName(NSLocalizedString("AddingWidget_Title", comment: "Adding the Widget")) .description(NSLocalizedString("AddingWidget_Description", comment: "Adding the Widget")) .supportedFamilies([.accessoryCircular, .accessoryInline, .accessoryRectangular, .systemSmall, .systemMedium]) .contentMarginsDisabled() } } struct WidgetEventIntent: WidgetConfigurationIntent { static let title: LocalizedStringResource = "AddingWidget_Title" static let description = IntentDescription(LocalizedStringResource("AddingWidget_Description")) @Parameter(title: LocalizedStringResource("Event")) var event: WidgetEventDetails? init(event: WidgetEventDetails? = nil) { self.event = event } init() {} static var parameterSummary: some ParameterSummary { Summary { \.$event } } } struct EventQuery: EntityQuery, Sendable { func entities(for identifiers: [WidgetEventDetails.ID]) async throws -> [WidgetEventDetails] { modelData.availableEvents.filter { identifiers.contains($0.id) } // availableEvents is just [WidgetEventDetails] } func suggestedEntities() async throws -> [WidgetEventDetails] { return modelData.availableEvents.filter { $0.type == kEventTypeStandard } } } If you think it's the TimelineProvider causing it, I can provide that code, too.

When a user swipes up to see the app switcher, I put a blocking view over my app so the data inside cannot be seen if you flick through the app switcher. I do this by checking if the scenePhase goes from .active to .inactive. If the app goes into the background, scenePhase == .background so I trigger something that would force the user to authenticate with Face ID/Touch ID when the app is next brought to the foreground or launched. However, this doesn't seem to work. The biometrics authentication is executed, but it just lets the user in without showing the Face ID animation. I put my finger over the sensors so it couldn't possibly be authenticating, but it just lets them in. Here's a quick set of logs: scenePhase == .inactive - User showed app switcher scenePhase == .background - User swiped up fully, went to Home Screen scenePhase == .inactive - User has tapped the app icon scenePhase == .active - App is now active authenticate() - Method called authenticate(), authenticateViaBiometrics() == true - User is going to be authenticated via Face ID // Face ID did not appear! success = true - Result of calling `context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics` means user was authenticated successfully error = nil - No error in the authentication policy authenticate(), success - Method finished, user was authenticated Here's the code: print("authenticate(), authenticateViaBiometrics() == true - User is going to be authenticated via Face ID") var error: NSError? guard context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error) else { // Handle permission denied or error print("authenticate(), no permission, or error") authenticated = false defaultsUpdateAuthenticated(false) defaultsUpdateAuthenticateViaBiometrics(false) return } context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: "Authenticate with biometrics") { (success, error) in DispatchQueue.main.async { print("success = \(success)") print("error = \(String(describing: error?.localizedDescription))") if(success) { print("authenticate(), success") authenticated = true } else { print("authenticate(), failure") authenticated = false } } } This happens with or without the DispatchQueue... call.

I have a content blocker that generally works correctly, but I need to block an element that has certain text in it. For example, <span id="theId">Some text</span> is easy enough to block because I can locate the id and block that, but what if there is no id, or the id is completely random? What if it's just <span>Some text</span>? How do I block that? Let's say this is my only content blocker rule: [ { "action": { "type": "css-display-none", "selector": ":has-text(/Some text/i)" }, "trigger": { "url-filter": ".*" } } ] No errors are seen when the rule is loaded, so it's syntactically correct, it just doesn't block the HTML. I gather this is because :has-text() works on attributes, not contents, so it works on alt, href, aria-label etc. but not on the contents of the element itself. How do I block Some text in my example above? Thanks!

... and yet, Apple's staff think it's appropriate to post lame responses thanking them for their interest in the forums. Come on, guys! It's obvious spam! Mark it as such and delete it. It's not beyond your abilities to stop people posting the word "WhatsApp" plus a phone number. You already stop us posting certain web links, so you can do this. If you continue ignoring the spam problem, then these forums will become less and less useful. Why should I contribute my free time to help others when you won't even help us?

I have a List containing ItemRow views based on an ItemDetails object. The content is provided by a model which pulls it from Core Data. When I scroll through the list one or two of the rows will disappear and reappear when I scroll back up. I have a feeling it's because the state is being lost? Here's some relevant info (only necessary parts of the files are provided): -- ModelData.swift: @Observable class ModelData { var allItems: [ItemDetails] = coreData.getAllItems() ... } -- ItemDetails.swift: struct ItemDetails: Identifiable, Hashable, Equatable { public let id: UUID = UUID() public var itemId: String // Also unique, but used for a different reason ... } -- MainApp.swift: let modelData: ModelData = ModelData() // Created as a global class SceneDelegate: UIResponder, UIWindowSceneDelegate { // Methods in here (and in lots of other places) use `modelData`, which is why it's a global } @main struct MainApp: App { var body: some Scene { WindowGroup { MainView() } } ... } -- MainView.swift: struct MainView: View { var body: some View { List { ForEach(modelData.allItems, id: \.id) { item in ItemRow(item) } } } } struct ItemRow: View, Equatable { var item: ItemDetails var body: some View { ... } static func == (lhs: Self, rhs: Self) -> Bool { lhs.item == rhs.item } } There's obviously more code in the app than that, but it's not relevant to the issue. I've tried: ItemRow(item).equatable() Wrapping ItemRow in an EquatableView Giving the List a unique id Using class ModelData: ObservableObject and @StateObject for modelData None made any difference. I'm using iOS/iPadOS 26.0.1, and I see it on my physical iPhone 17 Pro Max and iPad Pro 11-inch M4, but I don't see it in the equivalent simulators on those versions. The Simulator also doesn't exhibit this for versions 17.5 and 18.5, and I have no physical devices on 17.5/18.5 to check. Should I be doing as I currently am, where I create modelData as a global let so I can access it everywhere, or should I pass it through the view hierarchy as an Environment variable, like @Environment(ModelData.self) var modelData: ModelData? Bear in mind that some functions are outside of the view hierarchy and cannot access modelData if I do this. Various things like controllers that need access to values in modelData cannot get to it. Any ideas? Thanks.

In my Watch app on watchOS 9 I was using .foregroundColor(myColour) to colour the text in a widgetLabel on a corner complication like this: let myColour: Color = functionThatReturnsAColorObjectConstructedLike Color.init(...) // green .widgetLabel { Text(myText) .foregroundColor(myColour) } It worked fine; the widget label was green. Now, in watchOS 10, I see that foregroundColor() is being deprecated in favour of foregroundStyle(), and I can use .foregroundStyle(.green), and - importantly - foregroundStyle() is only available on watchOS 10 and newer. myColour is calculated depending on some other info, so I can't just write .green, and when I use .foregroundStyle(myColour) the widget label comes out as white every time, even if I set myColour = .green. I think I have to use some sort of extension to pick the right combination, something like: extension View { func foregroundType(colour: Colour, style: any ShapeStyle) -> some THING? { if #available(watchOS 10.0, *) { return foregroundStyle(style) } else { return foregroundColor(colour) } } } // Usage let myStyle: any ShapeStyle = SOMETHING? ... .widgetLabel { Text(myText) .foregroundType(colour: myColour, style: myStyle) It doesn't work. I just can't figure out what should be returned, nor how to return it. Any ideas?

Hi all. I've spent six hours today trying to resize images from the Photos Library on the iPhone Simulator, but no matter what I try - and I've tried everything on StackOverflow - I always get a white line at the bottom of the image, even when trying the suggestions that specifically say "this one even gets rid of the white line!" This is just one of the many attempts: let image: UIImage = <whatever> let size = CGSize(width: 800, height: 600) guard let data = resizeImage(image: image, size: size, scale: 1).jpegData(compressionQuality: 0.75) ?? image.pngData() else { return false } func resizeImage(image: UIImage, size: CGSize, scale: CGFloat) -> UIImage { let availableRect = AVFoundation.AVMakeRect(aspectRatio: image.size, insideRect: .init(origin: .zero, size: maxSize)) let targetSize = availableRect.size let format = UIGraphicsImageRendererFormat() format.scale = scale let renderer = UIGraphicsImageRenderer(size: targetSize, format: format) let resized = renderer.image { (context) in image.draw(in: CGRect(origin: .zero, size: targetSize)) } return resized } I've read that image.draw(in:) adds that white line because it's using non-integer values and the background of a JPEG is white, so I floor()d and round()ed the size values, but I always get the white line. I just can't seem to get it to work. Does anyone have a working function that will resize one of the JPEG images included in the Simulator without putting that white line down there? Note: The pink/purple flowers image always resizes and comes back upside down, and the only difference I can see in the six images included in the Simulator is that that one is HEIF while all the others are JPEG. I'll also need any function to handle HEIF/HEIC, too, I guess... This is on Xcode 15.0.1 (15A507) with Simulator iOS 17.0.1. I've also tried it on a real device (iPhone 15 Pro Max, iOS 17.4) and the same thing happens, so it's not like the Simulator images are banjaxed in some way.

I'm trying to get a countdown timer to work, and the way I currently do it in my watchOS 10 app is a complicated load of nonsense to get two Strings that look like "1w 1d" and "12:34:56", i.e. a String that shows components like year, week and day, and another String showing hours, minutes and seconds. The new Text formats seen here https://developer.apple.com/wwdc24/10144?time=645 look useful, but I can't get them to return the values I need. If I use this: let dateA = Date.now let dateB = Date.advanced(by: /* value for 8 days, 12 hours, 34 minutes and 56 seconds */) Text(dateA, format: .offset(to: dateB, allowedFields: [.year, .week, .day], maxFieldCount: 3)) I expect to see "1 week 1 day", but it always comes back as "8 days". I guess it's giving me the most concise result, but I don't want that. I'm not sure anyone would want that. Imagine you have an event coming up in 3 days 6 hours, do you want to see "in 78 hours" or do you want "in 3 days and 6 hours"? Why must we make the user calculate the days and hours in their head when we have the ability to give them the right information? While I'm on this, why does the resulting String have to have "in " at the beginning? I don't want that; it's not my use case, but it's forced on me. I've raised this a hundred times with Apple. I just want to see a String that shows the difference between two dates in a format of my choosing, i.e. "1w 1d", but they never give me what I need, so I have to write extremely complex - and fragile - code that figures this stuff out, and I still can't get that to work properly. Why can't we just have something like: Text(from: dateA, to: dateB, format: "%yy %ww %dd") // for "1 year 2 weeks 3 days", show parts with a value > 0 Text(from: dateA, to: dateB, format: "%0yy %0ww %0dd") // for "0 years 2 weeks 3 days", show all parts regardless of value Text(from: dateA, to: dateB, format: "%y %w %d") // for "1y 2w 3d", show parts with a value > 0 Text(from: dateA, to: dateB, format: "%0y %0w %0d") // for "0y 2w 3d", show all parts regardless of value

This is another issue found after changing to use a @StateObject for my data model when populating a List. Previous issue is here: https://developer.apple.com/forums/thread/805202 - the entire List was being redrawn when one value changed, and it jumped to the top. Here's some code: struct ItemListView: View { @State private var showAlert: Bool = false ... fileprivate func drawItemRow(_ item: ItemDetails) -> some View { return ItemRow(item: item) .id(item.id) .swipeActions(edge: .trailing, allowsFullSwipe: false) { RightSwipeButtons(showAlert: $showAlert, item: item) } } ... List { ForEach(modelData.filteredItems.filter { !$0.archived }) { item in drawItemRow(item) } } ... .alert("Delete Item"), isPresented: $showAlert) { Button("Yes, delete", role: .destructive) { deleteItem(item.id) // Not important how this item.id is gained } Button("Cancel", role: .cancel) { } } message: { Text("Are you sure you want to delete this item? You cannot undo this.") } } struct RightSwipeButtons: View { @Binding var showAlert: Bool var body: some View { Button { showAlert = true } label: { Label("", systemImage: "trash") } } } The issue I have now is that when you swipe from the right to show the Delete button, and tap it, the alert is displayed but the list has jumped back to the top again. At this point you haven't pressed the delete button on the alert. Using let _ = Self._printChanges() on both the ItemsListView and the individual ItemRows shows this: ItemsListView: _showAlert changed. ItemRow: @self, @identity, _accessibilityDifferentiateWithoutColor changed. So yeah, that's correct, showAlert did change in ItemsListView, but why does the entire view get redrawn again, and fire me back to the top of the list? You'll notice that it also says _accessibilityDifferentiateWithoutColor changed on the ItemRows, so I commented out their use to see if they were causing the issue, and... no. Any ideas? (Or can someone provide a working example of how to ditch SwiftUI's List and go back to a UITableView...?)

I use the following bit of code to snapshot a View as a UIImage, but it's causing a memory leak: extension View { @ViewBuilder func snapshot(trigger: Bool, onComplete: @escaping (UIImage) -> ()) -> some View { self.modifier(SnapshotModifier(trigger: trigger, onComplete: onComplete)) } } fileprivate struct SnapshotModifier: ViewModifier { var trigger: Bool var onComplete: (UIImage) -> () @State private var view: UIView = .init(frame: .zero) func body(content: Content) -> some View { content .background(ViewExtractor(view: view)) .compositingGroup() .onChange(of: trigger) { generateSnapshot() } } private func generateSnapshot() { if let superView = view.superview?.superview { let render = UIGraphicsImageRenderer(size: superView.bounds.size) let image = render.image { _ in superView.drawHierarchy(in: superView.bounds, afterScreenUpdates: true) } onComplete(image) } } } fileprivate struct ViewExtractor: UIViewRepresentable { var view: UIView func makeUIView(context: Context) -> UIView { view.backgroundColor = .clear return view } func updateUIView(_ uiView: UIView, context: Context) { // No process } } Taking the snapshot is triggered like this: struct ContentView: View { @State private var triggerSnapshot: Bool = false var body: some View { Button("Press to snapshot") { triggerSnapshot = true } TheViewIWantToSnapshot() .snapshot(trigger: triggerSnapshot) { image in // Save the image; you don't have to do anything here to get the leak. } } } I'm not the best at Instruments, and this is what the Leaks template produces. There are no method names, just memory addresses: Is this leak in an internal iOS library, is there something wrong with Instruments, or am I missing something obvious in my code? Thanks.

Sorry for the length of this post, and all the questions. I have an iOS app written in Objective-C (too big to convert to Swift right now), and I successfully added a WatchKit app and WatchKit Extension some years ago. I also added Home Screen widgets when iOS 14 was released. With the iOS 16 betas I'd like to support Lock Screen widgets, and have also decided to move the WatchKit app/extension to SwiftUI. User journey: MyApp is launched and an item with an image is created. This item is stored in Core Data and its image is stored in a directory in the app's documents directory. A version of it is stored in NSUserDefaults in a shared app group. The user adds a Home Screen widget to show that item. Its data is pulled from the defaults, and the image is loaded from the document's directory. The user installs the Watch app and launches it. The Watch app looks inside the user defaults to retrieve the item. The iOS app sends the image to the Watch and the Watch app stores it locally (it's a small image, taking up barely a few Kb). This all works fine right now. Currently I have these targets: MyApp = main iOS app. MyApp WatchKit = Watch app storyboards and asset catalogs. MyApp WatchKit Extension = code to update the Watch interface. MyApp Widget = Home Screen widgets. MyApp IntentHandler = dynamic intents handler for the Home Screen widgets. Q1. Where do I put the code for the Lock Screen widgets? I figure these go into the My App Widget target because they're widgets and appear on the iPhone? In this video (https://developer.apple.com/videos/play/wwdc2022/10050) at 07:00 it tells you to duplicate the existing Widget target, change the bundle, change it to run on watchOS and embed it in your existing Watch App. As my original Watch App is written in Objective-C (MyApp WatchKit Extension, above) I can't/shouldn't do that, so... Q2. I think I have to create a new MyApp Watch App target, and perform the video steps on that target? I can create the views for that app, no problem. Most people update to the latest watchOS, and it's only now that watchOS 9 won't support Watch Series 3. Q3. Do I need to keep MyApp WatchKit and MyApp WatchKit Extension around? I can support older versions of watchOS if it helps my users, but they'll probably want to use the new version of watchOS, right? Can you install both versions of the app on your Watch (with watchOS 9), or does the new Swift app override the old WatchKit extension? Q4. Once I've designed the new Watch App's views in SwiftUI to replace the old WatchKit extension, where do I put the code for the complications that are being replaced? The WWDC 2022 videos (above, and a couple linked to on that page) have confused me a bit. Do I put complications views in the new MyApp Watch App target along with the other views that replace the old Watch app, or in MyApp Widget? Q5. The MyApp Widget target contains a bunch of code (WidgetUtils.swift) that populates the Home Screen widgets (and the new Lock Screen widgets), and it would fit right into the new MyApp Watch App target. Can I share that code between the two app targets just by adding WidgetUtils.swift to both target's membership? MyApp sends small images to the current MyApp WatchKit Extension. There's no code in the existing WidgetUtils.swift to handle file transfers because the images for the Home Screen widgets are pulled from the iOS app, so I need to write that in Swift for the new MyApp Watch App. The logic is already there in the old target, but I can't see any sort of equivalent to the WatchKit extension delegate where I currently handle the file transfers. Q6. Where does that go in MyApp Watch App? The existing MyApp WatchKit Extension occasionally asks MyApp for some new data. This is all done in the extension delegate which wakes up the iOS app and updates the NSUserDefaults which the extension then reads from. Q7. How do you do that in MyApp Watch App? Don't be afraid to be verbose in your responses. The more detail the better! Thank you in advance.

In my Watch app, the WatchDelegate class is the WCSession delegate and handles transferring data with the iOS app. When the delegate receives some data it stores it in the UserDefaults. When the Watch app is launched it reads the existing data stored in the defaults and creates the view. I have a WatchApp file which contains this: @main struct WatchApp: App { var body: some Scene { WindowGroup { if(getItems().count == 0) { NoEventsView() } else { ItemsListView(available: getItems()) } } } } As you can see, if there are no events in the defaults it shows the NoEventsView; and if there are some it shows the EventsListView. When the Watch delegate receives a change in the events, I need to refresh this view. The delegate can receive zero or more events. How on Earth do I do that? In iOS I could call a method to reload a table of data, or post a notification to another view controller to do that, but in the Watch and with SwiftUI there doesn't seem to be any obvious way of refreshing a view. Is there any way of telling the App struct to refresh, or a particular view? For example, if I extracted the if statement into its own "struct WhichView: View", could I tell that to refresh? I've read a LOT on the net these past few days on @State vars, @ObservedObject, @Published etc, but nothing I've seen works, or is far too weird and complex for my situation. I literally just want WatchApp or WhichView to redraw when I tell it to. How do I do that? Thanks.

I'm trying to implement my first in-app purchase, and I've created the IAP in App Store Connect, and created a sandbox account. When I open Settings > Developer in the iPhone Simulator, there is a "Sandbox Apple Account" option at the bottom. If I click the blue "Sign In" link I'm asked for the email and password, so I enter the correct credentials for the sandbox account. The "Sign In" text goes grey for a few seconds, then it goes blue again. It never changes to show that I'm signed in. Should it? (I think so.) Do I need to sign into the Simulator's Apple Account, too? (I don't think so.) Anyway, aside from that, in my app the IAP is listed and I have a button to purchase it. When I click it I'm asked for the email and password to sign into the Apple Account. I enter the correct sandbox email and password (they are definitely correct) and I see this in the Xcode console: Purchase did not return a transaction: Error Domain=ASDErrorDomain Code=530 "(null)" UserInfo={client-environment-type=Sandbox, NSUnderlyingError=0x600000d0c7b0 {Error Domain=AMSErrorDomain Code=100 "Authentication Failed The authentication failed." UserInfo={NSMultipleUnderlyingErrorsKey=( "Error Domain=AMSErrorDomain Code=2 \"Password reuse not available for account The account state does not support password reuse.\" UserInfo={NSDebugDescription=Password reuse not available for account The account state does not support password reuse., AMSDescription=Password reuse not available for account, AMSFailureReason=The account state does not support password reuse.}", "Error Domain=AMSErrorDomain Code=0 \"Authentication Failed Encountered an unrecognized authentication failure.\" UserInfo={NSDebugDescription=Authentication Failed Encountered an unrecognized authentication failure., AMSDescription=Authentication Failed, AMSFailureReason=Encountered an unrecognized authentication failure.}" ), AMSDescription=Authentication Failed, NSDebugDescription=Authentication Failed The authentication failed., AMSFailureReason=The authentication failed.}}} Why is it talking about password reuse? AFAIK, I have only one sandbox account for this app (and none for any of my other apps), and this is the only one of my apps that has an IAP. Any ideas on how to get an IAP working? Thanks!

A few days ago I installed beta 1 of macOS 26 Tahoe on a spare MacBook Pro 14-inch M4. Everything went well, and it looks okay (well, I don't like it at all, but hey-ho), and I shut it down. I started it up today, and it rejects my login password every time, then locks my account. When I click the link to "Restart and show password reset options" I'm asked for my Apple ID details, so I enter the correct email and password, then the MBP reboots and I'm back on the login screen with no indication that anything has changed. Guess I'm stuck now... FB18364657