Overview

if I want to document my color asset with DocC to help the development team use colors correctly in app development, how can I do it? p.s. think about when you have to work in a team but there isn't a graphic repository, like Figma or Zeplin

Hello, I have an iOS app that is recording audio that is working fine on iPads/iPhones. It asks for microphone permission and after that recording works. I installed the same app on my M3 MacBook via TestFlight since iPad apps are supposed to work without a change that way. The app starts fine and everything, but it never asks for Microphone permission, so I can't record. Do I need to do something to make this happen (this is not macCatalyst, its running the arm64 iPhone binary on macOS) thanks

I'm fairly new to SwiftUI and when I create a new file in a project and make edits to it, when in the process of commiting the changes to my local repository, i notice that Xcode is creating duplicate files of all my files with changes, including the main app file. They each have a '._' prefix on them. When I view the changes in these files the text is unrecognizable, and i can't locate them in finder. They seem to get in teway of trying to merge branches in my repository ._ContentView -----END SIGNED MESSAGE-----git_revwalk_new(&walk, repo)NSString *gitRepositoryIdentifier(git_repository *)git_revwalk_push_head(walk)gitErrorgit_commit_lookup(&commit, repo, &revisionOID)git_commit_tree(&tree, commit)git_mailmap_from_repository(&mailmap, repo)git_remote_list(&remotes, repo)git_remote *lookupRemote(git_repository *, DVTSourceControlRemoteRepository *__strong, BOOL, NSString *__autoreleasing *, NSError *__autoreleasing *)git_remote_lookup(&remote, repo, remoteName)status--porcelain-[DVTSourceControlGitPlugInPrimary(Status) _filesAndStatusOfWorkingCopy:withRemoteStatus:]git_status_list_new(&statusList, repo, &statusOptions)Silent error with libgit operation (%s)git_repository_head(&head, repo)git_branch_upstream(&upstreamBranch, head)git_merge_base(&mergeBase, repo, git_reference_target(head), git_reference_target(upstreamBranch))git_commit_lookup(&baseCommit, repo, &mergeBase)git_commit_tree(&baseTree, baseCommit)git_reference_peel((git_object **)&upstreamTree, upstreamBranch, GIT_OBJ_TREE)git_diff_tree_to_tree(&treeDiff, repo, baseTree, upstreamTree, &diffopts)%@...%@-[DVTSourceControlGitPlugInPrimary(Status) filesAndStatusOfWorkingCopy:sourceBranch:targetBranch:completionBlock:]git_reference_lookup(&sourceReference, repo, sourceBranchName)git_reference_lookup(&targetReference, repo, targetBranchName)git_reference_name_to_id(&source_tree_oid, repo, source_ref_name)git_reference_name_to_id(&target_tree_oid, repo, target_ref_name)git_reference_peel((git_object **)&sourceTree, sourceReference, GIT_OBJ_TREE)git_reference_peel((git_object **)&targetTree, targetReference, GIT_OBJ_TREE)diff--name-status git_merge_base(&merge_base, repo, &source_tree_oid, &target_tree_oid)--no-color--stagedcore.excludesfileB24@?0@8@"NSDictionary"16~/%@.gitignore_globalgit_config_set_string(levelConfig, "core.excludesfile", ignorePath.fileSystemRepresentation)-[DVTSourceControlGitPlugInPrimary(Ignore) setIgnoredFiles:completionBlock:]%s index.lockstashsave-u-[DVTSourceControlGitPlugInPrimary(Stash) stashChangesOfWorkingCopy:includingUnversioned:message:completionBlock:]i32@?0Q8r*16r^{git_oid=[20C]}24Could not locate stash identifier from revisionv24@?0q8@"NSError"16-[DVTSourceControlGitPlugInPrimary(Stash) _deleteStash:stashIdentifier:completionBlock:]git_stash_drop(repo, stashIdentifier)-[DVTSourceControlGitPlugInPrimary(Stash) _stashIdentiferFromRevision:workingCopy:completionBlock:]git_stash_foreach(repo, stashCallback, (__bridge void *)stashBlock)-[DVTSourceControlGitPlugInPrimary(Stash) applyStashInWorkingCopy:stash:completionBlock:]git_stash_apply(repo, stashIndex, &options)git_repository_index(&index, repo)show-p%ld%ld.patchCouldn't create temporary path for stash '%ld'Couldn't write data to path '%@'v16@?0@"DVTSourceControlHistoryResultType"8DVTSourceControlCMSClassErrorCodeKeyCMS Module Error with code %d.SecTrust could not validate the signing certificate.Signature is invalid or malformed.No remote repository specified for fetch.Specified local repository has no on-disk URL set.--jobs=%lufetch--atomic--quiet--no-recurse-submodulesv16@?0@"NSData"8debug1%@v24@?0@"NSString"8^B16ssh: Could not resolve hostnamePermission deniedHost key verification failedCould not read from remote repositoryUnknown error while fetching remote changes. Make sure the remote is set up correctly and that you have access to it.git_remote_fetch(remote, NULL, &fetchOptions, NULL)-[DVTSourceControlGitPlugInPrimary(Update) fetchFromRemoteRepositoryUsingLibGit:repo:includeTags:prune:error:]Failed to locate remote for URL '%@'-[DVTSourceControlGitPlugInPrimary(Update) downloadUpdatesFromRemoteRepository:toRepository:removeDeletedLocations:progressIdentifier:completionBlock:]-[DVTSourceControlGitPlu I notice that when following online tutorials on the subject of source control, they don't show any files like these. What am I missing?

If I use UIEditMenuInteraction to present an edit menu, it has a dismissMenu method that I can call to remove the menu when necessary. When I use UITextInteraction, I get an edit menu automatically that is normally presented and dismissed at appropriate times. But sometimes I want to dismiss the menu myself, and I can't find a way to do that. Am I missing something? I was hoping to find that UITextInteraction inherited from UIEditMenuInteraction, or had some other way to access the underlying menu in order to dismiss it. But it seems that the menu must be a private part of the UITextInteraction implementation. The particular case that I need to deal with is when I call resignFirstResponder. This seems to cause the keyboard to close and the insertion point and any selection to be hidden, but if an edit menu was shown then it remains visible (a ghost!). If anyone knows of an alternative to resignFirstResponder that will make UITextInteraction tidy up properly, that would also be useful to know. Thanks for any suggestions!

In Xcode Version 15.3 (15E204a) I am getting this warning: Class AKAlertImageURLProvider is implemented in both /Library/Developer/CoreSimulator/Volumes/iOS_21E213/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS17.4.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/AuthKit.framework/AuthKit (0x123719508) /Library/Developer/CoreSimulator/Volumes/iOS_21E213/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS17.4.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/AuthKitUI.framework/AuthKitUI One of the two will be used. Which one is undefined. and also objc[2875]: Class AKBiometricRatchetUtility is implemented in both /Library/Developer/CoreSimulator/Volumes/iOS_21E213/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 17.4.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/AuthKit.framework/AuthKit (0x12371ab10) and /Library/Developer/CoreSimulator/Volumes/iOS_21E213/Library/Developer/CoreSimulator/Profiles/Runtimes/iOS 17.4.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/AuthKitUI.framework/AuthKitUI (0x152a1d810). One of the two will be used. Which one is undefined.

We have an app that has been using iBeacons and Geofences for 10+ years. While I cannot state when it started, we're seeing sporadic delays of hours to receive iBeacon "didExitRegion" event. I can prove this out on my iPhone running iOS 17.4.1 by setting up both a Geofence and an iBeacon in the same physical location. Yesterday, I have a several hour gap with no iBeacon events, but successfully see Geofence events. Then, an hour+ after leaving the Geofence, I get multiple didExitRegions from the same iBeacon (all without touching the app). Then this morning, everything again is working great. It "feels" like the phone stops delivering entry and exit events for the Bluetooth iBeacon for some period of time. Then, it resumes monitoring by first providing old event that were not delivered to us in real time. It's not atypical for me to see a didExitRegions event that should happen around 5pm that instead happens in the middle of the night. So far, I have not noticed this behavior for our app running on iOS 16.4.1. We're currently testing other versions of iOS to see if we can pinpoint when it started. I have a full battery so we've ruled out power saving mode. Bluetooth is on with all permissions of course. We are still receiving Geofence updates so we must have available background time. Is there any known issue in iOS 17+ that would explain this behavior? Or, is there any Feedback/Radar to explain it? Known issue?

Just watched the new product release, and I'm really hoping the new iPad Pro being advertised as the next creative tool for filmmakers and artists will finally allow RAW captures in the native Camera app or AVFoundation API (currently RAW available devices returns 0 on the previous iPad Pro). With all these fancy multicam camera features and camera hardware, I don't think it really takes that much to enable ProRAW and Action Mode on the software side of the iPad. Unless their strategy is to make us "shoot on iPhone and edit on iPad" (as implied in their video credits) which has been my workflow with the iPhone 15 and 2022 iPad Pro :( :(

I wonder if an Apple engineer could confirm: will the Apple Pencil Pro squeeze functionality be detectable in the current API, or will this be a future iPadOS extension to gesture recognizers / UIKit? I’d like to start playing with the functionality if it’s detected behind an existing event though. (Long press?)

Hi, Looking for some guidance on getting my code approved through app connect. Based on the crash logs, it appears the application is experiencing crashes related to an EXC_CRASH (SIGABRT), which is typically triggered by the app receiving an abort signal, often as a result of an unhandled exception or other critical errors that cause the app to terminate abruptly. Any ideas on how to resolve?

I'm currently trying to develop a l2cap demo application where I want to send data to a bluetooth chip over l2cap. I'm able to send several packet from the iPhone to the bluetooth chip. The chip send back credits and the iPhone continue to send data. After a moment suddenly the outputstream crash and rise a error that I'm not able to interpret. here is the error raised : /Users/13fmeyer/Documents/Screenshot 2024-05-07 at 15.15.37.png Here is the section of the code that manage the write : /Users/13fmeyer/Documents/Screenshot 2024-05-07 at 15.16.49.png and the write method : /Users/13fmeyer/Documents/Screenshot 2024-05-07 at 15.17.20.png Finally it close the act connection and stop the transmission. Does somebody have any idea about what happen ?

I have been trying to get an Intel application, downloaded from the internet, to run on my M1 MacBook. Unfortunately I keep getting the error: "The application "cMv_v0.8_MacOS" can't be opened". Rosetta is installed and working as I am able to open other Intel applications such as Google Earth Pro. I took the following steps to download the application: Downloaded a zipfile from: https://zenodo.org/records/4031812 Unzipped the MacOS download which showed the application Moved the application to my application folder in Finder Does anyone know why this application won't run on my MacBook?

I used a custom time format in the DateTimePicker, such as 'hh:mm a' for 12-hour format. Although the device's time format is set to 24-hour mode, my sample app displays time in 24-hour format like '23:10' instead of the desired 12-hour format like '11:10 PM'. I've already set the locale for the 12-hour format. Has anyone else encountered this issue, and what could be the solution?

No metrics data found for the latest app versions with sufficient usage. What is sufficient usage ? Can we define sufficient usage ourself ? if Yes then how ? https://developer.apple.com/videos/play/wwdc2020/10076/ wwwdc200 does mention factor of 5, but 5 of what ? and when where is the definition ? Organizer -> Metrics is useless if there is no data. If someone knows the fix please suggest.

I am looking for code that computes the Eigenvalues and Eigenvectors using the Accelerate Sparse Matrix library.

Hello, I submitted two games about a month ago, on the 1st of April, and received an email two days later for one game stating: "We need additional time to evaluate your submission and your Apple Developer Program account. Your submission status will appear as 'Rejected' in App Store Connect while we investigate. However, we do not require a revised binary or additional information from you at this time. If we notice any issues that require your attention, we will let you know via App Store Connect. If we find no issues with your submission or account, the submission will be approved." I waited for about 20 days and received no response. then I tried every solution I could find online, but nothing worked: I resubmitted a new build. I emailed Apple. I requested a Expedited App Review. I removed VisionOS and macOS from my supported devices. Despite all these efforts, my games are still under review. Has anyone experienced something similar? i'm running out of patience, as I'm an indie developer who has invested money in developing these games, yet I can't even get them on online to the store.

Is it possible to link CBPeripheral which comes from scan delegate with the peripheral which comes from retrieveConnectedPeripherals result ? My assumption is that is not fully possible, but I want to confirm. They don't have nothing in common, except the name. But in my use case I have products which don't have name.

After I upgraded xcode to 15.3 , Then VPN NetworkExtension NEPacketTunnelProvider cannot send TCP packets in release mode, but can send TCP packets in debug mode, please help me!!!

When adding a Map using the MapKit this changes the appearance of the TabBar appearance, specifically gives the toolbar a translucent background with a shadow; the default iOS style. I have tried adding the following modifier to the Map .toolbarBackground(Color("White"), for: .navigationBar) But the navigation toolbar still has a shadow, and the TabBar has the default translucent background colour with shadow. Root init() { // this is not the same as manipulating the proxy directly let appearance = UINavigationBarAppearance() // this overrides everything you have set up earlier. appearance.configureWithTransparentBackground() appearance.shadowColor = .clear //In the following two lines you make sure that you apply the style for good UINavigationBar.appearance().scrollEdgeAppearance = appearance UINavigationBar.appearance().standardAppearance = appearance UITabBar.appearance().barTintColor = UIColor.white) UITabBar.appearance().backgroundColor = UIColor.white) UITabBar.appearance().shadowImage = UIImage() UITabBar.appearance().backgroundImage = UIImage() UINavigationBar.appearance().isTranslucent = false UIToolbar.appearance().backgroundColor = UIColor.white) UIToolbar.appearance().isTranslucent = false UIToolbar.appearance().setShadowImage(UIImage(), forToolbarPosition: .any) } struct MainView: View { var body: some View { TabView { ContentView() .tabItem { Label("Menu", systemImage: "list.dash") } } } } The Tabbar has a solid white colour with no shadow, as well as navigation bars. Content View struct ContentView: View { var body: some View { NavigationStack() { NavigationLink(destination: MapView()) { Text("Hello, World!") } } .navigationTitle("Content") } } MapView struct MapView: View { @State private var region = MKCoordinateRegion(center: CLLocationCoordinate2D(latitude: 51.507222, longitude: -0.1275), span: MKCoordinateSpan(latitudeDelta: 0.5, longitudeDelta: 0.5)) var body: some View { Map(coordinateRegion: $region) .mapControlVisibility(.hidden) .allowsHitTesting(false) .frame(maxWidth: .infinity) .frame(height: 414) .clipped() } } I have looked through the documentation but could not find anything. https://developer.apple.com/documentation/mapkit/map

Hi everyone ! I'm getting random crashes when I'm using the Speech Recognizer functionality in my app. This is an old bug (for 8 years on Apple Forums) and I will really appreciate if anyone from Apple will be able to find a fix for this crashes. Can anyone also help me please to understand what could I do to keep the Speech Recognizer functionality still available in my app, but to avoid this crashes (if there is any other native library available or a CocoaPod library). Here is my code and also the crash log for it. Code: func startRecording() { startStopRecordBtn.setImage(UIImage(#imageLiteral(resourceName: "microphone_off")), for: .normal) if UserDefaults.standard.bool(forKey: Constants.darkTheme) { commentTextView.textColor = .white } else { commentTextView.textColor = .black } commentTextView.isUserInteractionEnabled = false recordingLabel.text = Constants.recording if recognitionTask != nil { recognitionTask?.cancel() recognitionTask = nil } let audioSession = AVAudioSession.sharedInstance() do { try audioSession.setCategory(AVAudioSession.Category.record) try audioSession.setMode(AVAudioSession.Mode.measurement) try audioSession.setActive(true, options: .notifyOthersOnDeactivation) } catch { showAlertWithTitle(message: Constants.error) } recognitionRequest = SFSpeechAudioBufferRecognitionRequest() let inputNode = audioEngine.inputNode guard let recognitionRequest = recognitionRequest else { fatalError(Constants.error) } recognitionRequest.shouldReportPartialResults = true recognitionTask = speechRecognizer?.recognitionTask(with: recognitionRequest, resultHandler: { (result, error) in var isFinal = false if result != nil { self.commentTextView.text = result?.bestTranscription.formattedString isFinal = (result?.isFinal)! } if error != nil || isFinal { self.audioEngine.stop() inputNode.removeTap(onBus: 0) self.recognitionRequest = nil self.recognitionTask = nil self.startStopRecordBtn.isEnabled = true } }) let recordingFormat = inputNode.outputFormat(forBus: 0) inputNode.installTap(onBus: 0, bufferSize: 1024, format: recordingFormat) {[weak self] (buffer: AVAudioPCMBuffer, when: AVAudioTime) in // CRASH HERE self?.recognitionRequest?.append(buffer) } audioEngine.prepare() do { try audioEngine.start() } catch { showAlertWithTitle(message: Constants.error) } } Here is the crash log: Thanks for very much for reading this !

Over the years I’ve helped a lot of folks investigate a lot of crashes. In some cases those crashes only make sense if you know a little about how Foundation and Core Foundation types are toll-free bridged. This post is my attempt to explain that. If you have questions or comments, please put them in a new thread. Tag it with Foundation and Debugging so that I see it. Share and Enjoy — Quinn “The Eskimo!” @ Devel oper Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com" Crashes on the Toll-Free Bridge Certain Core Foundation (CF) types are toll-free bridged to their Foundation equivalent. That allows you to pass the Foundation object to a CF routine and vice versa [1]. For example, NSData and CFData are toll-free bridged, allowing you to pass an NSData object to a CF routine like CFDataGetBytePtr. For more information on this topic, see Toll-Free Bridged Types within Core Foundation Design Concepts in the Documentation Archive. This is cool, but it does present some interesting challenges. One of these relates to subclassing. Many of the toll-free bridge Foundation types support subclassing and, if you create a instance of your subclass and pass it to CF, CF has to do the right thing. Continuing the NSData example above, it’s legal [2] to create your own subclass of NSData with a completely custom implementation. As long as you implement the -bytes method and the length property, all the other NSData methods will just work. Moreover, this class works with CFData routines as well. If you pass an instance of your subclass to CFDataGetBytePtr, CF detects that it’s an Objective-C object and calls your -bytes method. Exciting! So, how does this actually work? It relies on the fact that CF and Objective-C types share a common object header. That object header is an implementation detail, but the first word of the header is always an indication of the class [3]. CF uses this word to distinguish between CF and Objective-C objects. Note This basic technique is used by other Objective-C compatible types, including Swift objects and XPC objects. If, for example, you call CFRetain on Swift object, it detects that this is an Objective-C compatible object and calls objc_retain, which in turns detects that this is a Swift object and calls swift_retain. To see this in action, check out the Swift Foundation open source. Continuing our NSData example, the first line of CFDataGetBytePtr uses the CF_OBJC_FUNCDISPATCHV macro to check if this is an Objective-C object and, if so, call -bytes on it. Sadly, the open source trail goes cold here, because Objective-C integration is only supported on Apple platforms. However, some disassembly reveals the presence of an internal routine called CF_IS_OBJC. (lldb) disas -n CFDataGetBytePtr CoreFoundation`CFDataGetBytePtr: … <+0>: pacibsp … <+4>: stp x20, x19, [sp, #-0x20]! … <+8>: stp x29, x30, [sp, #0x10] … <+12>: add x29, sp, #0x10 … <+16>: mov x19, x0 … <+20>: mov w0, #0x14 … <+24>: mov x1, x19 … <+28>: bl 0x19cc60100 ; CF_IS_OBJC … WARNING Do not rely on the presence or behaviour of CF_IS_OBJC. This is an implementation detail. It has changed many times in the past and may well change in the future [4]. While this is an implementation detail, it’s useful to know about when debugging. If you pass something that’s not a valid object to CFDataGetBytePtr, you might see it crash in CF_IS_OBJC. For example, this code: void test(void) { struct { int i; } s = { 0 }; CFDataGetBytePtr( (const struct __CFData *) &s ); } crashes like this: Exception Type: EXC_BREAKPOINT (SIGTRAP) … Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 CoreFoundation … CF_IS_OBJC + 76 1 CoreFoundation … CFDataGetBytePtr + 32 2 xxot … test + 24 … … In this case CF_IS_OBJC has detected the problem and trapped, resulting in an EXC_BREAKPOINT crash. However, if you pass it a pointer that looks more like an object, this might crash trying to dereference a bad pointer, which will result in a EXC_BAD_ACCESS crash. The other common failure you see occurs when you pass it an Objective-C object of the wrong type. Consider code like this: void test(void) { id str = [NSString stringWithFormat:@"Hello Cruel World!-%d", (int) getpid()]; const void * ptr = CFDataGetBytePtr( (__bridge CFDataRef) str); … } When you run this code, it throws a language exception like this: *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFString bytes]: unrecognized selector sent to instance 0x6000028545a0' *** First throw call stack: ( 0 CoreFoundation … __exceptionPreprocess + 176 1 libobjc.A.dylib … objc_exception_throw + 60 2 CoreFoundation … -[NSObject(NSObject) __retain_OA] + 0 3 CoreFoundation … ___forwarding___ + 1580 4 CoreFoundation … _CF_forwarding_prep_0 + 96 5 xxot … test + 92 … ) CFDataGetBytePtr has detected this is an Objective-C object and called -bytes on it. However, this is actually an NSString [5] and NSString doesn’t implement the -bytes method. The end result is an unrecognized selector exception. [1] To be clear, when using CF objects in Objective-C you first cast the CF object to its Foundation equivalent and then call Objective-C methods on it. [2] While it’s legal to do this, it’s probably not very sensible. Subclassing Foundation types is something that might’ve made sense back in the day, but these days there are generally better ways to solve your problems. [3] Historically this word was called isa and was of type Class, that is, a pointer to the actual Objective-C class. These days things are much more complex (-: [4] Historically, CF_IS_OBJC was very simple: If the object’s isa word was 0, it was a CF object, otherwise it was an Objective-C object. That’s no longer the case. [5] The actual type is __NSCFString. That’s because NSString is a class cluster. For more about that, see Class Clusters within Cocoa Fundamentals Guide in the Documentation Archive.