iOS is the operating system for iPhone.

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AppGroups data loss after App transfer and App update.
Hi, I just released a new version of an app that was transferred from another developer account. The previous version of this app used the App Groups feature to store some important data, and I would like to retrieve that data. In the new version, I’m using the same bundle identifier and the same App Group ID (which has already been deleted from the original developer account). I also added the App Groups entitlement in the project settings and set the same App Group ID. However, I still cannot access the data in the App Group. From the documentation and issues I’ve found, it seems that an app should still have permission to access the same App Group after being transferred. Did I miss something? Thanks!
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306
Sep ’25
DMM App Managed doesn't allow for reinstalls or respects version element
Hello, this may not be the correct place to ask this question so I apologize in advance if this is the case. I am currently running into two specifc issues while continuing to implement the app.managed configuration which are quite frustrating and I will detail them below Unlike MDM where an application could be "reinstalled", by sending an install application command down for the same app DM does not have a similar mechanism which causes some issues as (while inconsistent) devices do not always respect the configuration sent down, and will not begin downloading VPP applications. They can be seen in the configuration when checking under VPN & Device Management but they do not return on a status report, alternatively and app will "install" but will have a cloud symbol next to it requiring a download (which I believe would be impossible on supervised devices without apple accounts/have restricted apple accounts associated to them). These apps are also reported incorrectly, as they return a managed response while being inaccessible. Both of these issues are solved by removing and reinstall applications (occasionally). Is there any easier way to trigger a re-install or is this the only way to trigger this? The Version element that can be optionally sent down does not seem to work (or if it does, does so inconsistently). A device will very happily download the application initially with the version element present, though when we detect an updated external ID from the VPP program and send down an updated configuration devices behave unexpectedly. Some have ignored it, some have responded back that a download has begun (with no download taking place and the application clearly still being the initial installed version as can be see in the apps page) or it just works, but there is not consistency. I realize a new UpdateBehavior object has been added to possibly handle this, but it is only supported in iOS 26 and above and there are plenty of people who do not have phones that can upgrade that far. Are there alternative ways to enforce an application update other than uninstalling and reinstalling the application without the version (or will sending down a config without a version after one was originally pinned force it to update to latest?) Kind Regards
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Sep ’25
Flutter: abnormal delay on iOS in position recovery on first opening
Good morning everyone, I am developing a Flutter app for Android and iOS. When I press a button, the app detects the location of the device (obviously with permissions already granted). On Android everything works correctly. On iOS, however, when I press the button for the first time after opening the app, the location is detected after about 30-50 seconds. On the other hand, if I repeat the operation later, the response time is drastically reduced (only a few seconds). I am using the location package (https://pub.dev/packages/location), and the code to get the location is as follows: var currentLocation = await location.getLocation(); Has anyone experienced this problem before or knows how to solve it? Thank you very much! Federico
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278
Sep ’25
ScrollView paging position is off in iOS 26
Hi everyone, I have the following issue that I have tried to tweak every possible modifier of ScrollView and still got the same result in iOS 26. Description: Create a SwiftUI ScrollView with scrollTargetBehavior of paging, also create a bottom UI view below the ScrollView. If the starting index is not 0, the position of current page will be off with part of previous page shown above it. It only happens on iOS 26, not on iOS 18. Also if bottom UI view (text view in this case) is removed, it also works fine. I want to see if there is a solution for it or it's an iOS 26 bug. Thanks! import SwiftUI struct ContentView: View { @State private var currentPageIndex: Int? = 3 var body: some View { VStack { scrollView Text("Bottom Bar") .frame(maxWidth: .infinity) .frame(height: 80) .background(.red) } .background(.black) } @ViewBuilder var scrollView: some View { VerticalPagerView( currentPageIndex: $currentPageIndex, itemCount: 10, content: Array(0...9).map { index in content(for: index) } ) } @ViewBuilder private func content(for index: Int) -> some View { // Empty view with random background color Color( red: Double((index * 25 + 0) % 255) / 255.0, green: Double((index * 25 + 80) % 255) / 255.0, blue: Double((index * 25 + 160) % 255) / 255.0 ) } } struct VerticalPagerView<Content: View>: View { @Binding private var currentPageIndex: Int? private let itemCount: Int private let content: [Content] init( currentPageIndex: Binding<Int?>, itemCount: Int, content: [Content] ) { self._currentPageIndex = currentPageIndex self.itemCount = itemCount self.content = content } var body: some View { GeometryReader { geometryReader in ScrollViewReader { reader in ScrollView(.vertical) { LazyVStack(spacing: 0) { ForEach(0 ..< itemCount, id: \.self) { index in content[index] .id(index) .containerRelativeFrame(.vertical, alignment: .center) .clipped() } } .frame(minHeight: geometryReader.size.height) .scrollTargetLayout() } .scrollIndicators(.hidden) .onAppear { guard let currentPageIndex = currentPageIndex else { return } reader.scrollTo(currentPageIndex, anchor: .center) } } .scrollPosition(id: $currentPageIndex, anchor: .center) .ignoresSafeArea() .scrollTargetBehavior(.paging) .onChange(of: currentPageIndex) { oldIndex, newIndex in } } } }
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286
Sep ’25
SwiftUI - AsyncImage causing massive tmp folder?
So I have a perplexing situation. I'm loading multiple SwiftUI AsyncImages according to spec (see code below). For some reason, my 1MB app has over 400+ MBs of documents & data. When I view the app's container, I can see that it is caused by a massive number of the images as .tmp files in the "tmp" folder all starting with the name "CFNetworkDownload". It seems that every time an image is loaded, it's stored in here, but does not delete. This makes the app get bigger every time it's opened. What can I do about this issue? Thanks so much! (P.S. I've tried to condense my code down as much as possible for readability, but there's a few files included because I'm not sure where the problem lies.) Main app Swift file: @main struct MyApp: App { let monitor = NWPathMonitor() @State private var isConnected = true var body: some Scene { monitor.pathUpdateHandler = { path in if path.status == .satisfied { if !isConnected { isConnected.toggle() } } else { if isConnected { isConnected.toggle() } } } let queue = DispatchQueue(label: "Monitor") monitor.start(queue: queue) return WindowGroup { isConnected ? AnyView(ContentView()) : AnyView(ContentViewFailed()) } } } The ContentView that's loaded inside the above WindowGroup: struct ContentView: View { var body: some View { TabView { HomeView() .tabItem { Image(systemName: "house.fill") Text("Home") } . . . } } } And finally, the HomeView where the images are being loaded: struct HomeView: View { var body: some View { let urlString = "https://www.example.com/Home.json" if let url = URL(string: urlString) { if let data = try? Data(contentsOf: url) { do { items = try JSONDecoder().decode([Item].self, from: data) } catch { print(error) } } } return NavigationView { List { ScrollView { VStack(alignment: .leading) { ZStack { VStack(alignment: .leading) { Spacer() HStack { AsyncImage(url: URL(string: "https://www.example.com/images/example.png")) { image in image .resizable() .aspectRatio(contentMode: .fill) .shadow(color: Color(red: 0, green: 0, blue: 0, opacity: 0.25), radius: 1) } placeholder: { ProgressView() .progressViewStyle(.circular) } .frame(width: 202, height: 100) } . . . } } } } } } } } I really appreciate your time. Not sure if this could just be a bug with AsyncImage itself.
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1.5k
Sep ’25
iOS 26 Beta bug - keyboard toolbar with bottom safe area inset
Hello! I have experienced a weird bug in iOS 26 Beta (8) and previous beta versions. The safe area inset is not correctly aligned with the keyboard toolbar on real devices and simulators. When you focus a new textfield the bottom safe area is correctly placed aligned the keyboard toolbar. On real devices the safe area inset view is covered slightly by the keyboard toolbar, which is even worse than on the simulator. Here's a clip from a simulator: Here's the code that reproduced the bug I experienced in our app. #Preview { NavigationStack { ScrollView { TextField("", text: .constant("")) .padding() .background(Color.secondary) TextField("", text: .constant("")) .padding() .background(Color.green) } .padding() .safeAreaInset(edge: .bottom, content: { Color.red .frame(maxWidth: .infinity) .frame(height: 40) }) .toolbar { ToolbarItem(placement: .keyboard) { Button {} label: { Text("test") } } } } }
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Sep ’25
Notification coordination between iOS and watchOS is not working properly
Notification coordination between iOS and watchOS is not working properly watchOS and iOS try to coordinate between phone and watch notifications. The concept here is that if there is a main app and a companion app, they could both be sending a notification, then the notification would alert on both, which is a deviation from how notification mirroring is handled if there is an iOS app but no watch app. The watch waits for the iOS notification to fire so they can determine if this is the same notification that needs to be deduped, displayed on one device but not the other, or separate notifications to be displayed both. If there is no notification on the phone, the watch will timeout after 13 seconds and alert anyway. If you have an iOS companion app, the best solution to this is to send the same notification on both devices simultaneously, and ensuring the UNNotificationRequest.identifier matches on both notifications. This will let the systems determine how to handle the notification correctly and quickly, and the notification will alert right away. https://developer.apple.com/forums/thread/765669 According to the above article, "when a notification arrives on watchOS alone first, it coordinates with iOS," but in reality, it doesn't work properly. Detailed process of this phenomenon watchOS receives a notification. On watchOS, the notification is not immediately shown to the user. iOS receives a notification with the same UNNotificationRequest.identifier as in (1). The notification in (3) does not appear on either iOS or watchOS. However, the notification from (3) does appear in iOS Notification Center. Thirteen seconds after watchOS received the notification, the notification from (1) is shown to the user on watchOS. In the end, the iOS and watchOS notifications are not consolidated and each remains in its respective notification center. Up to (3) there are no issues. Starting with (4), both iOS and watchOS exhibit a lot of odd behavior. This phenomenon occurs with both local notifications and push notifications. When iOS receives the notification first, there is no problem. The notification for watch received later is processed appropriately, and the watchOS notification is not additionally displayed to the user. Expected proper process Same as above. Same as above. Same as above. The notification in (1) is integrated into the notification in (3). The notification in (3) is alerted to the user immediately. 2 sample projects to reproduce Only the main code is attached. Sample project1: local notifications Swift code for local notification app (iOS, watchOS) - App.swift.txt Sample project2: push notifications This sample project is implemented using Firebase Functions and Firebase Cloud Messaging. Swift code push notification app (iOS, watchOS) - App.swift.txt Server side JavaScript code for FirebaseFunction - index.js.txt Tested devices and OS This phenomenon occurred in both of the following patterns. Pattern 1 Xcode 26.0 iPhone 16 (iOS 26.0) Apple Watch series 10 (watchOS 26.0) Pattern 2 Xcode 16.4 iPhone 11 (iOS 18.6) Apple Watch SE 2nd gen (watchOS 11.6) Question Is this phenomenon a bug? Or is my understanding or implementation incorrect? Feedback Assistant number FB20339772
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Sep ’25
Sharing file creates new UIScene each time, how to prevent this
I have an App which supports multiple windows on the iPad. The App can receive URLs from other Apps (via application.openURL()) and also files via "share sheet" (via UIActivityViewController). When receiving a URL from another App the delegate method scene(_ scene: UIScene, openURLContexts URLContexts: Set) will be called on an existing UIScene, however when a file is received through the share sheet from another App, a new UIScene is created and therefore also a new window (eg the delegates application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) and scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) are called). In both cases I do get the URL and file just fine, however I do not want to get new UIScenes and windows created when receiving a file via share sheet. How can I prevent to get a new UIScene or window? The received files should be used in the existing windows and should not create new ones.
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Sep ’25
Step-by-step instructions on how to send an app to external testers with TestFlight in 2024?
New Apple Developer here, I've built my first iOS app in Xcode and wants to get it onto some friends' iPhones to do some external testing and give me some feedback. I've read the Apple Developer documentation on how to use TestFlight, but it's not understandable since step 1 is entering information about the app in App Store Connect and step 2 is uploading the app to App Store Connect? Can someone please write some easy step-by-step directions on how to get an iOS app from Xcode onto external testers' iPhones for a first-timer in 2024? Thank you so much!
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Sep ’25
iOS 26 navigationTransition .zoom issue
When I dismiss a view presented with .navigationTransition(.zoom), the source view gets a weird background (black or white depending on the appearance) for a couple of seconds, and then it disappears. Here’s a simple code example. import SwiftUI struct NavigationTransition: View { @Namespace private var namespace @State private var isSecondViewPresented = false var body: some View { NavigationStack { ZStack { DetailView(namespace: namespace) .onTapGesture { isSecondViewPresented = true } } .fullScreenCover(isPresented: $isSecondViewPresented) { SecondView() .navigationTransition(.zoom(sourceID: "world", in: namespace)) } } } } struct DetailView: View { var namespace: Namespace.ID var body: some View { ZStack { Color.blue Text("Hello World!") .foregroundStyle(.white) .matchedTransitionSource(id: "world", in: namespace) } .ignoresSafeArea() } } struct SecondView: View { var body: some View { ZStack { Color.green Image(systemName: "globe") .foregroundStyle(Color.red) } .ignoresSafeArea() } } #Preview { NavigationTransition() }
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Sep ’25
On iOS 26 beta8, if a view's subview contains a WKWebView, using the CALayer's renderInContext method fails to capture the pixel
I’m experiencing an issue in WKWebView on iOS 26 Developer Beta 8. If a view's subview contains a WKWebView, using the CALayer's renderInContext method fails to capture the pixel at the current point, and the console outputs "unsupported surface format: &b38". The following code snippet was functioning as expected on iOS 18 and iOS 26 beta 1. However, it no longer works in the latest beta. Is this a known bug in the current iOS 26 betas, or is there a recommended workaround? - (BOOL)isTransparentAtTouchPoint:(CGPoint)point layer:(CALayer *)layer { unsigned char pixel[4] = {0}; CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); CGContextRef context = CGBitmapContextCreate(pixel, 1, 1, 8, 4, colorSpace, (CGBitmapInfo) kCGImageAlphaPremultipliedLast); CGContextTranslateCTM(context, -point.x, -point.y); [layer renderInContext:context]; CGContextRelease(context); CGColorSpaceRelease(colorSpace); CGFloat alpha = pixel[3] / 255.0f; return alpha < 0.01; }
Topic: Safari & Web SubTopic: General Tags:
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Sep ’25
Swift iOS iPadOS app for Smartcard Token PIV using CryptoTokenKit
Please excuse my lack of understanding of what are probably fundamental concepts in iOS/iPadOS development but I have searched far and wide for documentation and haven't had much luck so far. I am not sure that what I want to do is even possible with an iPad iPadOS app. Goals: Develop a Swift iPadOS app that can digitally sign a file using a PIV SmartCard/Token (Personal Identity Verification Card): Insert a PIV SmartCard/Token (such as a Yubikey 5Ci) into the lightning port of an iPadOS device iPad (NOT MacOS) Interface with the SmartCard/Token to access the user's PIV certificate/signature and "use it" to sign a file Question 1: How to get the PIV Certificate from SmartCard/Token/Yubikey into iPadOS keychain?   * Do we need to get the PIV certificate into the iOS keychain? Is there another way to interact with a SmartCard directly?   * This should prompt the user for their PIN? Question 2: How to get our Swift app to hook into the event that the SmartCard/Token is inserted into the device and then interface with the user's certificate?   * When is the user prompted to enter their PIN for SmartCard/Token/Yubikey?   * Do we need to use CyrptoTokenKit to interface with a smartcard inserted into the lightning port of an iOS device?
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Sep ’25
CallKit UI not invoked after receiving VoIP Push – app killed with NSInternalInconsistencyException
Our VoIP app receives PushKit notifications successfully (callservicesd Delivering 1 VoIP payload appears in logs). However, the app is consistently terminated by the system when running in the background or killed state. The crash is caused by iOS expecting a reportNewIncomingCall to CallKit, but the system reports: *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Killing app because it never posted an incoming call to the system after receiving a PushKit VoIP push.' *** Assertion failure in -[PKPushRegistry _terminateAppIfThereAreUnhandledVoIPPushes], PKPushRegistry.m:349 Key Observations: VoIP pushes arrive and are delivered to the app. In foreground, some methods work and CallKit UI sometimes appears. In background/killed state, app is always terminated before CallKit UI shows. Logs confirm the system requires CallKit to be reported immediately inside pushRegistry(_:didReceiveIncomingPushWith:for:completion:). Steps to Reproduce: Run the app with VoIP + CallKit integration. Put app in background (or kill it). Send a VoIP push. Observe system logs and crash: callservicesd: Delivering 1 VoIP payload(s) to application UrgiDoctor: Apps receiving VoIP pushes must post an incoming call via CallKit... error: Killing VoIP app because it failed to post an incoming call in time. Expected Behavior: On receiving a VoIP push, CallKit UI (Accept / Decline screen) should always appear. App should not be killed if reportNewIncomingCall is called in time. Actual Behavior: CallKit UI never appears in background/killed state. App is force-terminated by iOS before user can accept/decline the call. Request: Guidance on the correct sequence for calling reportNewIncomingCall and completionHandler() in pushRegistry. Clarification if any changes in iOS 17/18 affect PushKit + CallKit behavior. Best practices for ensuring CallKit UI always appears reliably after a VoIP push. Environment: iOS 18.5 Simulator + Device Xcode 16.4 Using PushKit + CallKit with VoIP entitlement
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Sep ’25
Safari: Sticky element with bottom: 0 does not follow viewport when toolbar hides on scroll
Device: iPhone 15pro, ios26.0 (23A 341) IOS version: 26.0 (23A 341) When using position: sticky; bottom: 0, the div is expected to stick to the bottom of the viewport when the browser toolbar hides while scrolling. However, it stops at the height where the toolbar was, instead of moving down with the disappearing toolbar. In the image below, the red-bordered navigation shows the situation where it does not stick to the bottom. i
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Sep ’25
CoreData CloudKit Sync not working between iOs and MacOS
Hi All, I work on a cross platform app, iOS/macOS. All devises on iOS could synchronize data from Coredata : I create a client, I see him an all iOS devices. But when I test on macOs (with TestFlight) the Mac app could not get any information from iOs devices. On Mac, cloud drive is working because I could download and upload documents and share it between all devices, so the account is working but with my App on MacOS, there is no synchronisation. idea????
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Sep ’25
AppGroups data loss after App transfer and App update.
Hi, I just released a new version of an app that was transferred from another developer account. The previous version of this app used the App Groups feature to store some important data, and I would like to retrieve that data. In the new version, I’m using the same bundle identifier and the same App Group ID (which has already been deleted from the original developer account). I also added the App Groups entitlement in the project settings and set the same App Group ID. However, I still cannot access the data in the App Group. From the documentation and issues I’ve found, it seems that an app should still have permission to access the same App Group after being transferred. Did I miss something? Thanks!
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2
Boosts
0
Views
306
Activity
Sep ’25
IOS26系统,相册照片背景黑白交替时,会闪
相册图片背景黑白交替,红线框位置会闪
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0
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0
Views
121
Activity
Sep ’25
Missing or invalid signature
When submitting our app to AppStore connect we received the following error: ITMS-90034: Missing or invalid signature - The bundle 'com.xxxxxxx' at bundle path 'Payload/XX.app' is not signed using an Apple submission certificate. Solved We just resubmitted the app.
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5
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0
Views
4.3k
Activity
Sep ’25
DMM App Managed doesn't allow for reinstalls or respects version element
Hello, this may not be the correct place to ask this question so I apologize in advance if this is the case. I am currently running into two specifc issues while continuing to implement the app.managed configuration which are quite frustrating and I will detail them below Unlike MDM where an application could be "reinstalled", by sending an install application command down for the same app DM does not have a similar mechanism which causes some issues as (while inconsistent) devices do not always respect the configuration sent down, and will not begin downloading VPP applications. They can be seen in the configuration when checking under VPN & Device Management but they do not return on a status report, alternatively and app will "install" but will have a cloud symbol next to it requiring a download (which I believe would be impossible on supervised devices without apple accounts/have restricted apple accounts associated to them). These apps are also reported incorrectly, as they return a managed response while being inaccessible. Both of these issues are solved by removing and reinstall applications (occasionally). Is there any easier way to trigger a re-install or is this the only way to trigger this? The Version element that can be optionally sent down does not seem to work (or if it does, does so inconsistently). A device will very happily download the application initially with the version element present, though when we detect an updated external ID from the VPP program and send down an updated configuration devices behave unexpectedly. Some have ignored it, some have responded back that a download has begun (with no download taking place and the application clearly still being the initial installed version as can be see in the apps page) or it just works, but there is not consistency. I realize a new UpdateBehavior object has been added to possibly handle this, but it is only supported in iOS 26 and above and there are plenty of people who do not have phones that can upgrade that far. Are there alternative ways to enforce an application update other than uninstalling and reinstalling the application without the version (or will sending down a config without a version after one was originally pinned force it to update to latest?) Kind Regards
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1
Boosts
0
Views
687
Activity
Sep ’25
Flutter: abnormal delay on iOS in position recovery on first opening
Good morning everyone, I am developing a Flutter app for Android and iOS. When I press a button, the app detects the location of the device (obviously with permissions already granted). On Android everything works correctly. On iOS, however, when I press the button for the first time after opening the app, the location is detected after about 30-50 seconds. On the other hand, if I repeat the operation later, the response time is drastically reduced (only a few seconds). I am using the location package (https://pub.dev/packages/location), and the code to get the location is as follows: var currentLocation = await location.getLocation(); Has anyone experienced this problem before or knows how to solve it? Thank you very much! Federico
Replies
1
Boosts
0
Views
278
Activity
Sep ’25
ScrollView paging position is off in iOS 26
Hi everyone, I have the following issue that I have tried to tweak every possible modifier of ScrollView and still got the same result in iOS 26. Description: Create a SwiftUI ScrollView with scrollTargetBehavior of paging, also create a bottom UI view below the ScrollView. If the starting index is not 0, the position of current page will be off with part of previous page shown above it. It only happens on iOS 26, not on iOS 18. Also if bottom UI view (text view in this case) is removed, it also works fine. I want to see if there is a solution for it or it's an iOS 26 bug. Thanks! import SwiftUI struct ContentView: View { @State private var currentPageIndex: Int? = 3 var body: some View { VStack { scrollView Text("Bottom Bar") .frame(maxWidth: .infinity) .frame(height: 80) .background(.red) } .background(.black) } @ViewBuilder var scrollView: some View { VerticalPagerView( currentPageIndex: $currentPageIndex, itemCount: 10, content: Array(0...9).map { index in content(for: index) } ) } @ViewBuilder private func content(for index: Int) -> some View { // Empty view with random background color Color( red: Double((index * 25 + 0) % 255) / 255.0, green: Double((index * 25 + 80) % 255) / 255.0, blue: Double((index * 25 + 160) % 255) / 255.0 ) } } struct VerticalPagerView<Content: View>: View { @Binding private var currentPageIndex: Int? private let itemCount: Int private let content: [Content] init( currentPageIndex: Binding<Int?>, itemCount: Int, content: [Content] ) { self._currentPageIndex = currentPageIndex self.itemCount = itemCount self.content = content } var body: some View { GeometryReader { geometryReader in ScrollViewReader { reader in ScrollView(.vertical) { LazyVStack(spacing: 0) { ForEach(0 ..< itemCount, id: \.self) { index in content[index] .id(index) .containerRelativeFrame(.vertical, alignment: .center) .clipped() } } .frame(minHeight: geometryReader.size.height) .scrollTargetLayout() } .scrollIndicators(.hidden) .onAppear { guard let currentPageIndex = currentPageIndex else { return } reader.scrollTo(currentPageIndex, anchor: .center) } } .scrollPosition(id: $currentPageIndex, anchor: .center) .ignoresSafeArea() .scrollTargetBehavior(.paging) .onChange(of: currentPageIndex) { oldIndex, newIndex in } } } }
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0
Boosts
2
Views
286
Activity
Sep ’25
Xcode 16 compatibility with newly-released devices
Hi everyone, have any of you tried running an app from Xcode 16.x (during development, running on device) on one of the iPhone 17 models? I'd like to know whether it still works or if someone would need to update to Xcode 26 for that to work.
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1
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0
Views
158
Activity
Sep ’25
iOS 26 DRM Content Downloading issue
In iOS 26 When we download any DRM content first time it is downloading again when we edit audios and Video Quality and start downloading it is freezing complete app. Neither it is crashing not giving any error.
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0
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0
Views
153
Activity
Sep ’25
SwiftUI - AsyncImage causing massive tmp folder?
So I have a perplexing situation. I'm loading multiple SwiftUI AsyncImages according to spec (see code below). For some reason, my 1MB app has over 400+ MBs of documents & data. When I view the app's container, I can see that it is caused by a massive number of the images as .tmp files in the "tmp" folder all starting with the name "CFNetworkDownload". It seems that every time an image is loaded, it's stored in here, but does not delete. This makes the app get bigger every time it's opened. What can I do about this issue? Thanks so much! (P.S. I've tried to condense my code down as much as possible for readability, but there's a few files included because I'm not sure where the problem lies.) Main app Swift file: @main struct MyApp: App { let monitor = NWPathMonitor() @State private var isConnected = true var body: some Scene { monitor.pathUpdateHandler = { path in if path.status == .satisfied { if !isConnected { isConnected.toggle() } } else { if isConnected { isConnected.toggle() } } } let queue = DispatchQueue(label: "Monitor") monitor.start(queue: queue) return WindowGroup { isConnected ? AnyView(ContentView()) : AnyView(ContentViewFailed()) } } } The ContentView that's loaded inside the above WindowGroup: struct ContentView: View { var body: some View { TabView { HomeView() .tabItem { Image(systemName: "house.fill") Text("Home") } . . . } } } And finally, the HomeView where the images are being loaded: struct HomeView: View { var body: some View { let urlString = "https://www.example.com/Home.json" if let url = URL(string: urlString) { if let data = try? Data(contentsOf: url) { do { items = try JSONDecoder().decode([Item].self, from: data) } catch { print(error) } } } return NavigationView { List { ScrollView { VStack(alignment: .leading) { ZStack { VStack(alignment: .leading) { Spacer() HStack { AsyncImage(url: URL(string: "https://www.example.com/images/example.png")) { image in image .resizable() .aspectRatio(contentMode: .fill) .shadow(color: Color(red: 0, green: 0, blue: 0, opacity: 0.25), radius: 1) } placeholder: { ProgressView() .progressViewStyle(.circular) } .frame(width: 202, height: 100) } . . . } } } } } } } } I really appreciate your time. Not sure if this could just be a bug with AsyncImage itself.
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2
Boosts
1
Views
1.5k
Activity
Sep ’25
iOS 26 Beta bug - keyboard toolbar with bottom safe area inset
Hello! I have experienced a weird bug in iOS 26 Beta (8) and previous beta versions. The safe area inset is not correctly aligned with the keyboard toolbar on real devices and simulators. When you focus a new textfield the bottom safe area is correctly placed aligned the keyboard toolbar. On real devices the safe area inset view is covered slightly by the keyboard toolbar, which is even worse than on the simulator. Here's a clip from a simulator: Here's the code that reproduced the bug I experienced in our app. #Preview { NavigationStack { ScrollView { TextField("", text: .constant("")) .padding() .background(Color.secondary) TextField("", text: .constant("")) .padding() .background(Color.green) } .padding() .safeAreaInset(edge: .bottom, content: { Color.red .frame(maxWidth: .infinity) .frame(height: 40) }) .toolbar { ToolbarItem(placement: .keyboard) { Button {} label: { Text("test") } } } } }
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2
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12
Views
789
Activity
Sep ’25
Notification coordination between iOS and watchOS is not working properly
Notification coordination between iOS and watchOS is not working properly watchOS and iOS try to coordinate between phone and watch notifications. The concept here is that if there is a main app and a companion app, they could both be sending a notification, then the notification would alert on both, which is a deviation from how notification mirroring is handled if there is an iOS app but no watch app. The watch waits for the iOS notification to fire so they can determine if this is the same notification that needs to be deduped, displayed on one device but not the other, or separate notifications to be displayed both. If there is no notification on the phone, the watch will timeout after 13 seconds and alert anyway. If you have an iOS companion app, the best solution to this is to send the same notification on both devices simultaneously, and ensuring the UNNotificationRequest.identifier matches on both notifications. This will let the systems determine how to handle the notification correctly and quickly, and the notification will alert right away. https://developer.apple.com/forums/thread/765669 According to the above article, "when a notification arrives on watchOS alone first, it coordinates with iOS," but in reality, it doesn't work properly. Detailed process of this phenomenon watchOS receives a notification. On watchOS, the notification is not immediately shown to the user. iOS receives a notification with the same UNNotificationRequest.identifier as in (1). The notification in (3) does not appear on either iOS or watchOS. However, the notification from (3) does appear in iOS Notification Center. Thirteen seconds after watchOS received the notification, the notification from (1) is shown to the user on watchOS. In the end, the iOS and watchOS notifications are not consolidated and each remains in its respective notification center. Up to (3) there are no issues. Starting with (4), both iOS and watchOS exhibit a lot of odd behavior. This phenomenon occurs with both local notifications and push notifications. When iOS receives the notification first, there is no problem. The notification for watch received later is processed appropriately, and the watchOS notification is not additionally displayed to the user. Expected proper process Same as above. Same as above. Same as above. The notification in (1) is integrated into the notification in (3). The notification in (3) is alerted to the user immediately. 2 sample projects to reproduce Only the main code is attached. Sample project1: local notifications Swift code for local notification app (iOS, watchOS) - App.swift.txt Sample project2: push notifications This sample project is implemented using Firebase Functions and Firebase Cloud Messaging. Swift code push notification app (iOS, watchOS) - App.swift.txt Server side JavaScript code for FirebaseFunction - index.js.txt Tested devices and OS This phenomenon occurred in both of the following patterns. Pattern 1 Xcode 26.0 iPhone 16 (iOS 26.0) Apple Watch series 10 (watchOS 26.0) Pattern 2 Xcode 16.4 iPhone 11 (iOS 18.6) Apple Watch SE 2nd gen (watchOS 11.6) Question Is this phenomenon a bug? Or is my understanding or implementation incorrect? Feedback Assistant number FB20339772
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1
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222
Activity
Sep ’25
Sharing file creates new UIScene each time, how to prevent this
I have an App which supports multiple windows on the iPad. The App can receive URLs from other Apps (via application.openURL()) and also files via "share sheet" (via UIActivityViewController). When receiving a URL from another App the delegate method scene(_ scene: UIScene, openURLContexts URLContexts: Set) will be called on an existing UIScene, however when a file is received through the share sheet from another App, a new UIScene is created and therefore also a new window (eg the delegates application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) and scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) are called). In both cases I do get the URL and file just fine, however I do not want to get new UIScenes and windows created when receiving a file via share sheet. How can I prevent to get a new UIScene or window? The received files should be used in the existing windows and should not create new ones.
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0
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112
Activity
Sep ’25
Step-by-step instructions on how to send an app to external testers with TestFlight in 2024?
New Apple Developer here, I've built my first iOS app in Xcode and wants to get it onto some friends' iPhones to do some external testing and give me some feedback. I've read the Apple Developer documentation on how to use TestFlight, but it's not understandable since step 1 is entering information about the app in App Store Connect and step 2 is uploading the app to App Store Connect? Can someone please write some easy step-by-step directions on how to get an iOS app from Xcode onto external testers' iPhones for a first-timer in 2024? Thank you so much!
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1
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1
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896
Activity
Sep ’25
iOS 26 navigationTransition .zoom issue
When I dismiss a view presented with .navigationTransition(.zoom), the source view gets a weird background (black or white depending on the appearance) for a couple of seconds, and then it disappears. Here’s a simple code example. import SwiftUI struct NavigationTransition: View { @Namespace private var namespace @State private var isSecondViewPresented = false var body: some View { NavigationStack { ZStack { DetailView(namespace: namespace) .onTapGesture { isSecondViewPresented = true } } .fullScreenCover(isPresented: $isSecondViewPresented) { SecondView() .navigationTransition(.zoom(sourceID: "world", in: namespace)) } } } } struct DetailView: View { var namespace: Namespace.ID var body: some View { ZStack { Color.blue Text("Hello World!") .foregroundStyle(.white) .matchedTransitionSource(id: "world", in: namespace) } .ignoresSafeArea() } } struct SecondView: View { var body: some View { ZStack { Color.green Image(systemName: "globe") .foregroundStyle(Color.red) } .ignoresSafeArea() } } #Preview { NavigationTransition() }
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5
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4
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350
Activity
Sep ’25
On iOS 26 beta8, if a view's subview contains a WKWebView, using the CALayer's renderInContext method fails to capture the pixel
I’m experiencing an issue in WKWebView on iOS 26 Developer Beta 8. If a view's subview contains a WKWebView, using the CALayer's renderInContext method fails to capture the pixel at the current point, and the console outputs "unsupported surface format: &b38". The following code snippet was functioning as expected on iOS 18 and iOS 26 beta 1. However, it no longer works in the latest beta. Is this a known bug in the current iOS 26 betas, or is there a recommended workaround? - (BOOL)isTransparentAtTouchPoint:(CGPoint)point layer:(CALayer *)layer { unsigned char pixel[4] = {0}; CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); CGContextRef context = CGBitmapContextCreate(pixel, 1, 1, 8, 4, colorSpace, (CGBitmapInfo) kCGImageAlphaPremultipliedLast); CGContextTranslateCTM(context, -point.x, -point.y); [layer renderInContext:context]; CGContextRelease(context); CGColorSpaceRelease(colorSpace); CGFloat alpha = pixel[3] / 255.0f; return alpha < 0.01; }
Topic: Safari & Web SubTopic: General Tags:
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9
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1
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947
Activity
Sep ’25
CallKit: Call Blocking for 3rd party apps question
Hi Apple Dev community, I want to ask if CallKit and CXCallDirectoryProvider (with addBlockingEntryWithNextSequentialPhoneNumber) doesn't work for 3rd party Phone apps. Is this a known issue that CallKit doesn't work on 3rd party iOS Phone apps (like WhatsApp, etc)? Thank you.
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0
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125
Activity
Sep ’25
Swift iOS iPadOS app for Smartcard Token PIV using CryptoTokenKit
Please excuse my lack of understanding of what are probably fundamental concepts in iOS/iPadOS development but I have searched far and wide for documentation and haven't had much luck so far. I am not sure that what I want to do is even possible with an iPad iPadOS app. Goals: Develop a Swift iPadOS app that can digitally sign a file using a PIV SmartCard/Token (Personal Identity Verification Card): Insert a PIV SmartCard/Token (such as a Yubikey 5Ci) into the lightning port of an iPadOS device iPad (NOT MacOS) Interface with the SmartCard/Token to access the user's PIV certificate/signature and "use it" to sign a file Question 1: How to get the PIV Certificate from SmartCard/Token/Yubikey into iPadOS keychain?   * Do we need to get the PIV certificate into the iOS keychain? Is there another way to interact with a SmartCard directly?   * This should prompt the user for their PIN? Question 2: How to get our Swift app to hook into the event that the SmartCard/Token is inserted into the device and then interface with the user's certificate?   * When is the user prompted to enter their PIN for SmartCard/Token/Yubikey?   * Do we need to use CyrptoTokenKit to interface with a smartcard inserted into the lightning port of an iOS device?
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14
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1
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4.1k
Activity
Sep ’25
CallKit UI not invoked after receiving VoIP Push – app killed with NSInternalInconsistencyException
Our VoIP app receives PushKit notifications successfully (callservicesd Delivering 1 VoIP payload appears in logs). However, the app is consistently terminated by the system when running in the background or killed state. The crash is caused by iOS expecting a reportNewIncomingCall to CallKit, but the system reports: *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Killing app because it never posted an incoming call to the system after receiving a PushKit VoIP push.' *** Assertion failure in -[PKPushRegistry _terminateAppIfThereAreUnhandledVoIPPushes], PKPushRegistry.m:349 Key Observations: VoIP pushes arrive and are delivered to the app. In foreground, some methods work and CallKit UI sometimes appears. In background/killed state, app is always terminated before CallKit UI shows. Logs confirm the system requires CallKit to be reported immediately inside pushRegistry(_:didReceiveIncomingPushWith:for:completion:). Steps to Reproduce: Run the app with VoIP + CallKit integration. Put app in background (or kill it). Send a VoIP push. Observe system logs and crash: callservicesd: Delivering 1 VoIP payload(s) to application UrgiDoctor: Apps receiving VoIP pushes must post an incoming call via CallKit... error: Killing VoIP app because it failed to post an incoming call in time. Expected Behavior: On receiving a VoIP push, CallKit UI (Accept / Decline screen) should always appear. App should not be killed if reportNewIncomingCall is called in time. Actual Behavior: CallKit UI never appears in background/killed state. App is force-terminated by iOS before user can accept/decline the call. Request: Guidance on the correct sequence for calling reportNewIncomingCall and completionHandler() in pushRegistry. Clarification if any changes in iOS 17/18 affect PushKit + CallKit behavior. Best practices for ensuring CallKit UI always appears reliably after a VoIP push. Environment: iOS 18.5 Simulator + Device Xcode 16.4 Using PushKit + CallKit with VoIP entitlement
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1
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252
Activity
Sep ’25
Safari: Sticky element with bottom: 0 does not follow viewport when toolbar hides on scroll
Device: iPhone 15pro, ios26.0 (23A 341) IOS version: 26.0 (23A 341) When using position: sticky; bottom: 0, the div is expected to stick to the bottom of the viewport when the browser toolbar hides while scrolling. However, it stops at the height where the toolbar was, instead of moving down with the disappearing toolbar. In the image below, the red-bordered navigation shows the situation where it does not stick to the bottom. i
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1
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2
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497
Activity
Sep ’25
CoreData CloudKit Sync not working between iOs and MacOS
Hi All, I work on a cross platform app, iOS/macOS. All devises on iOS could synchronize data from Coredata : I create a client, I see him an all iOS devices. But when I test on macOs (with TestFlight) the Mac app could not get any information from iOs devices. On Mac, cloud drive is working because I could download and upload documents and share it between all devices, so the account is working but with my App on MacOS, there is no synchronisation. idea????
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2
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0
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1.3k
Activity
Sep ’25