Posts under App & System Services topic

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App cannot fetch any resource after a while
Hi everyone, We came an issue that, In some scenarios in our app we cannot fetch any resources from device (Photo and Contact). One case we catched is putting app in background and spending time in other commonly used apps and coming back to our app cause this issue but there is a small chance that get this issue during using the application. In cell, we are trying to fetch the image like this imageFetchTask = Task { let image = await CompositionRoot.shared.photosManager.image(requestType: .imageCollections, forId: photoAsset.photoId) self.photoImageView.image(image) } and inner layers of this code we get the PHAsset and request image PHAsset.firstAsset(for: id) let manager = PHImageManager.default() manager.requestImage(for: asset, targetSize: request.targetSize, contentMode: .aspectFill, options: request.options) { (image, info) in continuation.resume(returning: image) } We figured out that issue not happening only in Photos also Contacts and any web request. So any help according to this situation is well appreciated. Thanks
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Dec ’24
Can Apple Pay Transactions Be Integrated into a Third-Party Expense Management App?
Hello, I am developing a mobile application focused on helping users centralize and analyze their expenses. The app's key feature is to track transactions made through Apple Pay, providing users with a consolidated view of their spending across all linked bank cards or accounts. I have a few specific questions regarding the feasibility of this integration: Does Apple provide any official APIs or tools to access Apple Pay transaction data for third-party applications? Are there restrictions or guidelines for apps that aim to use Apple Pay to support expense tracking? What would be the best way to initiate a partnership or obtain further support from Apple for such a project? Your insights or direction on how to proceed would be greatly appreciated. Thank you for your time and guidance! Best regards, Amine
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Jan ’25
Feedback Assistant nonresponse
Hi All, Had a question. Is there a point to submit anything through the feedback assistant (https://feedbackassistant.apple.com)? I mean it doesn't seem like any engagement occurs through the platform on any issues submitted.
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Dec ’24
Unable to create bundle at URL (<private>): unable to create file system representation of URL (13)
We use network extension for the VPN connection implementation. In the network extension, we need to call a third-party library to do some check. Before the macOS is upgraded to 15.2, everything is fine. It just stop working after macOS is upgraded to 15.2. I did some debugging, and looks like the api provided by the dylibs is blocked. One system log is shown suspiciously Unable to create bundle at URL (<private>): unable to create file system representation of URL (13) The background is that we did embed the third-party dylibs in the app resources folder and the app extension tries to dlopen the dylibs and call the functions. And actually we do not know how the dylibs are implemented. Since it was working with older macOS, we would like to see if there is any related change on os itself. I have tried to change the places of dylibs, moving them from container app bundle resource folder to app extension resources folder, even the app group folder. Unfortunately it does not work either. Do you guys have any opinions?
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392
Dec ’24
PushKit Voip notifications not triggering CallKit UI in the background
I am trying to add voip call functionality to my app. It works as expected while the app is in the foreground. But in the background it does not. I have registered the app as requiring background voip permissions. My implementation doesn't fit into one of these posts, so here is a gist: https://gist.github.com/BrentMifsud/4be43c022c1279f04ecb56250a86b3f1
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390
Jan ’25
Alternate App Icons not working in test flight
I've been working on implementing alternate app icons for my iOS app, and everything works perfectly in debug builds on both the simulator and a physical device. However, when testing on TestFlight, I encounter the following error: The requested operation couldn’t be completed because the feature is not supported. Has anyone faced this issue before? Is there a specific TestFlight configuration or setup I might be missing to enable alternate app icon functionality?
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466
Dec ’24
optimize Application performance about background exit
Hello, I am currently optimizing the performance of my application. I would like to obtain information about users being killed after leaving the application in the background, in order to evaluate whether the application is running normally in the background. I noticed that there is a Background Termination information in Xcode ->Organizer that records background exits. I would like to know the rules for obtaining this information and what is the health standard for this indicator on the Apple side?
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Dec ’24
Invalid bundle structure: BackgroundAsset upload to TestFlight
**Hi everyone ** We try to add BackgroundAssetExtension to our project, in local testing work fine, but when we try upload app to TestFlight we get some errors that we don't know how to fix. App Supported Destinations: iPhone, iPad, Mac(Designed for iPad) Minimum Deployments: iOS 12 BackgroundAssetExtension Minimum Deployments: iOS 16.4 Error when try to upload to TestFlight: "<IDEDistributionIssue: severity(error), error(Error Domain=ContentDelivery Code=90171 \"Asset validation failed\" UserInfo={IDEDistributionIssueSeverity=3, NSLocalizedDescription=Asset validation failed, NSLocalizedRecoverySuggestion=Invalid bundle structure. The \U201cDemo.app/decompressed_data_5.bin\U201d binary file is not permitted. Your app cannot contain standalone executables or libraries, other than a valid CFBundleExecutable of supported bundles. For details, visit: https://developer.apple.com/documentation/bundleresources/placing_content_in_a_bundle (ID: 3dfe207a-b4e5-43db-9464-fcf59a730545)})>", "<IDEDistributionIssue: severity(error), error(Error Domain=ContentDelivery Code=90924 \"Asset validation failed\" UserInfo={IDEDistributionIssueSeverity=3, NSLocalizedDescription=Asset validation failed, NSLocalizedRecoverySuggestion=Invalid Info.plist value. (ID: 073b5957-2e5b-4a7b-a4ae-7735b30a2d05)})>" when we checked archive (Show package contents) that many files like compressed_data_1.bin compressed_data_2.bin compressed_data_3.bin compressed_data_4.bin compressed_data_5.bin compressed_data_6.bin decompressed_data_1.bin decompressed_data_2.bin decompressed_data_3.bin decompressed_data_4.bin decompressed_data_5.bin decompressed_data_6.bin We added to main target in Build Phase -> Embed ExtensionKit Extensions Info.plist <key>BAEssentialMaxInstallSize</key> <integer>3250188</integer> <key>BAInitialDownloadRestrictions</key> <dict> <key>BADownloadAllowance</key> <integer>3250188</integer> <key>BADownloadDomainAllowList</key> <array> <string>*</string> <string>*</string> </array> <key>BAEssentialDownloadAllowance</key> <integer>3250188</integer> </dict> <key>BAManifestURL</key> <string>https://*/itemsmeta</string> <key>BAMaxInstallSize</key> <integer>3250188</integer> We will be appreciate for any suggestions :) If need some additional information let me know :pray:
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Jan ’25
Missing calls to L2CAP Stream Delegate
I have a C++/Objective-C command line application, running on MacOs (15.1.1 (24B91)), that communicates with a Bluetooth LE peripheral. The application is build with Apple clang 16.0.0 and CMake as build system using Boost.Asio. I'm able to establish a L2CAP channel and after the channel is established, the peripheral sends a first (quite small) SDU on that channel to the application. The PSM is 0x80 and was chosen by the peripherals BLE stack. The application receives the PSM via GATT notification. I can see the SDU being send in a single LL PDU with Wireshark. I can also see the SDU being received in Apples PacketLogger. But I miss the corresponding call to a stream event handler. For all other GATT related events, the corresponding delegates / callbacks are called. The code that creates a dispatch queue and passes it to the CBCentralManager looks like this: dispatch_queue = dispatch_queue_create("de.torrox.ble_event_queue", NULL); manager = [[CBCentralManager alloc] initWithDelegate:self queue:dispatch_queue options:nil]; When the L2CAP channel is established, the didOpenL2CAPChannel callback gets called from a thread within the dispatch_queue (has been verified with lldb): - (void)peripheral:(CBPeripheral *)peripheral didOpenL2CAPChannel:(CBL2CAPChannel *)channel error:(NSError *)error { [channel inputStream].delegate = self; [channel outputStream].delegate = self; [[channel inputStream] scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode]; [[channel outputStream] scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode]; [[channel inputStream] open]; [[channel outputStream] open]; ... // a reference to the channel is stored in the outside channel object [channel retain]; ... } Yet, not a single stream event is generated: - (void)stream:(NSStream *)stream handleEvent:(NSStreamEvent)event_code { Log( @"stream:handleEvent %@, %lu", stream, event_code ); ... } When I add a functionality, to poll the input stream, the stream will report the expected L2CAP input. But no event is generated. The main thread of execution is usually blocking on a boost::asio::io_context::run() call. The design is, to have the stream callback stream:handleEvent to post call back invocations on that io_context, and thus to wake up the main thread and get that callbacks being invoked on the main thread. All asynchronous GATT delegate calls are working as expected. The only missing events, are the events from the L2CAP streams. The same code worked in an older project on an older version of MacOs and an older version of Boost. How can I find out, why the stream delegates are not called?
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Dec ’24
The message filtering documentation is offline
Hello the documentation for message filtering has been offline for a few days now, is it possible to get it back, or is there somewhere else it can be viewed in the meanwhile? https://developer.apple.com/documentation/sms_and_call_reporting/sms_and_mms_message_filtering (I just chose topic/tags at random, there aren't any relevant for this)
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Dec ’24
Apple Healthkit data usage
I want to use the Apple Healthkit data to recommend personalised insurance. Is this allowed? As I have read in the documentation that the Apple Healthkit data can only be used for fitness and health purposes. Anyone knows what is meant / scope of "fitness and health purposes"? Will personalised insurance as per health data be allowed under this category?
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392
Jan ’25
Message Filter Extension and multiple servers
In the documentation for a Message Filter Extension it states: If you have servers that can help your app extension determine how to handle a message, you must add the Associated Domains capability to your Xcode project and specify those domains. (https://developer.apple.com/documentation/sms_and_call_reporting/sms_and_mms_message_filtering/creating_a_message_filter_app_extension) The words servers and domains are in the plural. If it's possible to specify multiple servers/domains for a Message Filter Extension then how is that done? There's no documentation nor reference for that. If multiple domains can be added to the info.plist then what is the iOS behavior in that case? Can the extension supply/change which domain is used at run time?
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460
Jan ’25
CloudKit Dashboard error "Failed to execute query"
Something has caused my CloudKit queries to fail. On the dashboard I get an error message "Failed to execute query" when I try to "SORT BY" a field. The field is listed under Indexes as "sortable". For a different field, when I enter the field under "FILTER BY", and before I tap "Query", I get "No results". That field is listed under the Indexes as "queryable". It used to work fine. I have described this further, with screenshots at FB16114560
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Dec ’24
Can I ensure location is saved to SwiftData within Share Extension lifetime?
I am writing a SwiftData/SwiftUI app in which the user saves simple records, tagged with their current location. Core Location can take up to 10 seconds to retrieve the current location from its requestLocation() call. I the main app I have wrapped the CLLocationManager calls with async implementations. I kick off a Task when a new record is created, and write the location to my @Model on the main thread when it completes. A realistic use of the share extension doesn't give the task enough time to complete. I can use performExpiringActivity to complete background processing after the share extension closes but this needs to be a synchronous block. Is there some way of using performExpiringActivity when relying on a delegate callback from something like Core Location?
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428
Dec ’24
Google maps with beta 18
Having multiple issues with google maps via wireless apply car play. 1.: maps freezing 2.:The direction I’m heading seems to be off and searching some times 3.: The most annoying, the audio doesn’t work when I’m using google maps for a trip.
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Dec ’24
Transaction.environment is undefined/nil in TestFlight
I'm using Transaction.environment to determine server behavior. https://developer.apple.com/documentation/storekit/apptransaction/environment https://developer.apple.com/documentation/storekit/appstore/environment I gather this information on the app using StoreKit and then send it to the server: originalTransactionId = transaction.originalID originalTransactionEnvironment = transaction.environment When testing within Xcode, on a simulator, the value sent to the server for originalTransactionEnvironment is Xcode - as expected. When testing on a device using a TestFlight build, the value sent to the server for originalTransactionEnvironment is undefined/nil. I expected it to be Sandbox - and later in production it should be Production. Most importantly, the value sent to the server for originalTransactionId in the TestFlight version is not undefined/nil - it is the value I expected it would be. The transaction was originally for a subscription purchase, if that makes a difference. So the transaction is available, and information like originalID is also available. Why is transaction.environment not available? What is the behavior in production?
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Dec ’24