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PHAssetChangeRequest revertAssetContentToOriginal without original asset content
The documentation for PHAssetChangeRequest.revertAssetContentToOriginal says it will fail if the original asset content is not on the current device so you should use PHAssetResourceManager to download it first, but this no longer seems to be the case in the latest iOS versions because an error no longer occurs when I take a photo on my iPhone, edit it, open Photos on my iPad and let it sync, then open my app on iPad and call revertAssetContentToOriginal for that asset. Does the system now take care of downloading the original when needed?
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130
Jun ’25
StoreKit 2: Handle unfinished consumables
I have non-consumable and consumable in-app purchases in my app. The tutorial I was following stated Transaction.currentEntitlements includes unfinished consumables, which is incorrect according to the documentation. Is the correct way to handle unfinished consumables (and non-consumables) to implement Transaction.updates and call finish() if it’s verified? The documentation says that listener will receive unfinished transactions once upon app launch, so with that, do I understand correctly you do not need to implement Transaction.unfinished unless you want to look for unfinished transactions manually later on? Otherwise what is the correct and most recommended way to handle unfinished consumables? Is there a way to test that scenario in Xcode?
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187
Jun ’25
AppIntent perform function is not invoked from ControlWidget
I have an AppIntent that edits an object in my app. The intent accepts an app entity as a parameter, so if you run the intent it will ask which one do you want to edit, then you select one from the list and it shows a dialog that it was edited successfully. I use this same intent in my Home Screen widget initializing it with an objectEntity. The code needs to run in the app's process, not the widget extension process, so the file is added to both targets and it conforms to ForegroundContinuableIntent, and that is supposed to ensure it always runs in the app process. This works great when run from the Shortcuts app and when involved via a button in the Home Screen widget, exactly as expected. Here is that app intent: @available(iOS 17.0, *) struct EditObjectIntent: AppIntent { static let title: LocalizedStringResource = "Edit Object" @Parameter(title: "Object", requestValueDialog: "Which object do you want to edit?", inputConnectionBehavior: .connectToPreviousIntentResult) var objectEntity: ObjectEntity init() { print("INIT") } init(objectEntity: ObjectEntity) { self.objectEntity = objectEntity } @MainActor func perform() async throws -> some IntentResult & ReturnsValue<ObjectEntity> & ProvidesDialog { // Edit the object from objectEntity.id... return .result(value: objectEntity, dialog: "Done") } } @available(iOS 17.0, *) @available(iOSApplicationExtension, unavailable) extension EditObjectIntent: ForegroundContinuableIntent { } I now want to create a ControlButton that uses this intent: struct EditObjectControlWidget: ControlWidget { var body: some ControlWidgetConfiguration { StaticControlConfiguration(kind: "EditObjectControlWidget") { ControlWidgetButton(action: EditObjectIntent()) { Label("Edit Object", systemImage: "pencil") } } } } When I add the button to Control Center and tap it (on iOS 18), init is called 3x in the app process and 2x in the widget process, yet the perform function is not invoked in either process. No error appears in console logs for the app's process, but this appears for the widget process: LaunchServices: store <private> or url <private> was nil: Error Domain=NSOSStatusErrorDomain Code=-54 "process may not map database" UserInfo={NSDebugDescription=process may not map database, _LSLine=72, _LSFunction=_LSServer_GetServerStoreForConnectionWithCompletionHandler} Attempt to map database failed: permission was denied. This attempt will not be retried. Failed to initialize client context with error Error Domain=NSOSStatusErrorDomain Code=-54 "process may not map database" UserInfo={NSDebugDescription=process may not map database, _LSLine=72, _LSFunction=_LSServer_GetServerStoreForConnectionWithCompletionHandler} What am I doing wrong here? Thanks!
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Jul ’25
How to show confirmationDialog from a Button in a Menu
I have a More button in my nav bar that contains a Delete action, and when you tap that I want to show a confirmation dialog before performing the deletion. In order words, I have a toolbar containing a toolbar item containing a menu containing a button that when tapped needs to show a confirmation dialog. In iOS 26, you're supposed to add the confirmationDialog on the view that presents the action sheet so that it can point to the source view or morph out of it if it's liquid glass. But when I do that, the confirmation dialog does not appear. Is that a bug or am I doing something wrong? struct ContentView: View { @State private var showingDeleteConfirmation = false var body: some View { NavigationStack { Text("👋, 🌎!") .toolbar { ToolbarItem { Menu { Button(role: .destructive) { showingDeleteConfirmation.toggle() } label: { Label("Delete", systemImage: "trash") } .confirmationDialog("Are you sure?", isPresented: $showingDeleteConfirmation) { Button(role: .destructive) { print("Delete it") } label: { Text("Delete") } Button(role: .cancel, action: {}) } } label: { Label("More", systemImage: "ellipsis") } } } } } }
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Jul ’25
How to hide scroll edge effect until scroll down
I present a view in a sheet that consists of a navigation stack and a scroll view which has a photo pushed to the top by setting .ignoresSafeArea(edges: .top). The problem is the top of the photo is blurry due to the scroll edge effect. I would like to hide the scroll edge effect so the photo is fully visible when scrolled to the top but let the effect become visible upon scrolling down. Is that possible? struct ContentView: View { @State private var showingSheet = false var body: some View { VStack { Button("Present Sheet") { showingSheet = true } } .sheet(isPresented: $showingSheet) { SheetView() } } } struct SheetView: View { @Environment(\.dismiss) private var dismiss var body: some View { NavigationStack { ScrollView { VStack { Image("Photo") .resizable() .scaledToFill() } } .ignoresSafeArea(edges: .top) .toolbar { ToolbarItem(placement: .cancellationAction) { Button(role: .close) { dismiss() } } ToolbarItem { EditButton() } } } } }
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Jul ’25
How to get "file" information from MPMediaItem
The Music macOS app shows various info about a song in the Get Info window. Most of this metadata is available in the iOS SDK via MPMediaItem. I'm wanting to access the information displayed in the File tab but I'm not seeing several pieces of data in the API. Is this possible? □ Kind - Apple Music AAC audio file - ? ☑︎ Duration - 3:00 - playbackDuration □ Size - 10 MB - ? □ Bit rate - 256 kbps - ? □ Sample rate - 44.100 kHz - ? □ Date modified - 1/1/2001 - ? ☑︎ Date added - 1/1/2001 - dateAdded □ Cloud status - Apple Music - ? ☑︎ Location - Cloud - isCloudItem
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1.4k
Jun ’21
How to get NSPersistentCloudKitContainer to sync in background
Is it possible for an app using NSPersistentCloudKitContainer to enable sync in the background, if so, how? Install app on your iPhone and iPad, create some data, it automatically syncs to both and life is good Close the iPad app Modify the data on iPhone Desired behavior: The backgrounded iPad app should sync (even if it takes a while) and be informed that its local database has finished syncing or similarly that changes were made. The use case is I want to reload my widget when data changes so it's up-to-date, so I need my app to sync it in the background, then notify when it's complete to be able to trigger the widget reload. I am concerned it will be a poor widget experience if it's always showing stale data until they manually open the app to initiate sync - kind of defeats the purpose of widgets. ha According to this post, they found sync is never run in the background. Is this not the case, or has it changed in iOS 15? Thanks!
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1.7k
Dec ’21
How to use AccessoryWidgetBackground with containerBackground API on iOS 17
I have an accessoryCircular Lock Screen widget built for iOS 16: ZStack { AccessoryWidgetBackground() VStack { Text("MON") .font(.caption) Text("6") .font(.title) } } When run on iOS 17 it renders an error “Please adopt containerBackground API”. So I changed it to: VStack { Text("MON") .font(.caption) Text("6") .font(.title) } .containerBackground(for: .widget) { AccessoryWidgetBackground() } This causes the error to go away but the circular background is no longer visible (tested with iPadOS 17b2). What’s the right way to implement this?
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2.5k
Sep ’23
How to sync NSPersistentCloudKitContainer in background after performing AppIntent from widget
I have an app that uses NSPersistentCloudKitContainer and a widget that displays a record. I want to add a button with interactive widgets in iOS 17 to modify the visible record via an AppIntent. When I do this the app logs: CoreData: debug: CoreData+CloudKit: -[NSCloudKitMirroringDelegate managedObjectContextSaved:](2945): <NSCloudKitMirroringDelegate: 0x2818002a0>: Observed context save: <NSPersistentStoreCoordinator: 0x280a05180> - <NSManagedObjectContext: 0x281a00410> It does not automatically sync this change to iCloud, not until I manually return the app to the foreground, even if I delay returning from the perform() function. Is there a way to sync NSPersistentCloudKitContainer while the app is in the background as a result of this change triggered in the widget? Thanks!
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Jul ’23
How to configure visionOS app icon in existing iOS project
I have an iOS app and I added Vision Pro as a supported destination. I'm ready to add an app icon. When I select my existing AppIcon there's no option to add visionOS assets to it. I went ahead and created a new visionOS App Icon titled VisionAppIcon. Now how do I configure the project to use VisionAppIcon for visionOS while continuing to use AppIcon for iOS? When I select the target and go to Build Settings there's Primary App Icon Set Name currently set to AppIcon. When I run the visionOS app, no app icon appears. If I change that to VisionAppIcon then it appears of course. But I don't see a way to add variants for it other than Debug and Release.
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Jan ’24
How to initialize OpenIntent parameter when returning OpensIntent in perform
I have an app that lets you create cars. I have a CarEntity, an OpenCarIntent, and a CreateCarIntent. I want to support the Open When Run option when creating a car. I understand to do this, you just update the return type of your perform function to include & OpensIntent, then change your return value to include opensIntent: OpenCarIntent(target: carEntity). When I do this, I get a compile-time error: Cannot convert value of type 'CarEntity' to expected argument type 'IntentParameter<CarEntity>' What am I doing wrong here? struct CreateCarIntent: ForegroundContinuableIntent { static let title: LocalizedStringResource = "Create Car" @Parameter(title: "Name") var name: String @MainActor func perform() async throws -> some IntentResult & ReturnsValue<CarEntity> & OpensIntent { let managedObjectContext = PersistenceController.shared.container.viewContext let car = Car(context: managedObjectContext) car.name = name try await managedObjectContext.perform { try managedObjectContext.save() } let carEntity = CarEntity(car: car) return .result( value: carEntity, opensIntent: OpenCarIntent(target: carEntity) // FIXME: Won't compile ) } } struct OpenCarIntent: OpenIntent { static let title: LocalizedStringResource = "Open Car" @Parameter(title: "Car") var target: CarEntity @MainActor func perform() async throws -> some IntentResult { await UIApplication.shared.open(URL(string: "carapp://cars/view?id=\(target.id)")!) return .result() } }
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Jun ’25
How to donate IndexedEntity, if required in iOS 26
In the Get to Know App Intents WWDC session, it was said New this year, you can now add Spotlight indexing keys directly on properties. Annotating properties allows Spotlight to show more relevant information to customers. When donating indexed entities, the framework will handle creating the searchable item and attribute set for you. After donating entities, they can be found in Spotlight. How do you donate indexed app entities? Making app entities available in Spotlight seems to state it's not necessary to donate entities: The system can automatically extract the keys for Spotlight indexing at compile time and store them in the App Intents metadata that Xcode generates as part of your app’s bundle. As a result, Spotlight indexing is faster and can find your app entities without launching your app, and without you having to explicitly donate the entities to Spotlight. You also don’t need to manually update or remove entities from the Spotlight index when your app’s data changes. Say I have a CarEntity. The user can create/update/delete cars at any time. What is the modern way to get cars to appear in Spotlight in iOS 26?
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Jun ’25