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IOHIDCheckAccess(kIOHIDRequestTypeListenEvent) does not work
I have an app that needs Input Monitoring permissions to get keyboard access in the background. I've attempted to use both IOHIDCheckAccess(kIOHIDRequestTypeListenEvent) and IOHIDRequestAccess(kIOHIDRequestTypeListenEvent), but they always return denied, even though I have given the permission for Input Monitoring to the app in Settings. Is there something I need to put in my Info.plist to enable this permission to work?
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2.5k
Jan ’26
VoiceOver Accessibility Tree out of sync with WKWebView contents
Hey, We've run into an issue where WKWebView contents are not always available for VoiceOver users. It seems to occur when WKWebView contents are loaded asynchronously. I have a sample project where this can be reproduced and a video showing the issue. See FB21257352 The only solution we currently see is forcing an update continuously using UIAccessibility.post(notification: .layoutChanged, argument: nil), but this is ofc a last resort as it may have other unintended side effects.
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861
Dec ’25
VoiceOver incorrect focus on modal alert
When my macOS Cocoa app displays a modal alert with beginSheetModal(for:completionHandler:), VoiceOver sometimes seems to focus on an "illegal" upper level, where any attempts at navigation will give the unhelpful response "Alert, dialog", until you "drill down" with VO + shift + down or switch apps. After that, things will work as expected. Is this a known bug? Does it happen to anybody else, or am I doing something wrong?
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168
Apr ’25
[macOS 15.4] Game Controller Background Input Capture Broken - Accessibility App No Longer Functions
Our application, https://apps.apple.com/us/app/gamecontroller-mapper/id6737088417 which maps game controller inputs to keyboard/mouse events system-wide, has stopped functioning properly after the macOS 15.4 update. Specifically, the app can no longer capture game controller inputs when running in the background, severely impacting its core functionality. Environment macOS version: 15.4 Previous working versions: All versions prior to 15.4 App type: Background utility with accessibility permissions Hardware: All game controller brands compatible with macOS Detailed Description Before macOS 15.4 Our application correctly captured game controller inputs from any brand connected to Mac and successfully translated them to keyboard/mouse events system-wide. Users could control any application (e.g., scrolling through documents in Preview using controller buttons) while our app ran in the background with the accessibility permissions granted. After macOS 15.4 The application only works when it has active focus (is in the foreground). When any other application gains focus, our app completely stops receiving or detecting any input events from the game controller while running in the background. For instance, pressing the 'down' button on the controller while another app is active results in no event being registered within our application. We've tried updating the app to work in accessory mode (in the menubar), but the issue persists. Steps to Reproduce Install our application on macOS 15.3 or earlier Grant accessibility permissions when prompted Connect a compatible game controller (e.g., Xbox or other controller) Open another application (e.g., Preview with a PDF document) Press buttons on the controller to navigate the document without touching the keyboard Expected result on 15.3: Controller inputs are translated to keyboard events, even when our app is in the background Upgrade to macOS 15.4 Repeat steps 2-5 Actual result on 15.4: Controller inputs are only translated to keyboard events when our application has focus Technical Implementation Our app uses: CGEvent.tapCreate() to create a global event tap CGEvent for simulating keyboard and mouse events GCController.extendedGamepad?.valueChangedHandler for detecting controller inputs Proper NSAccessibilityUsageDescription and appropriate entitlements GCController.shouldMonitorBackgroundEvents = true to ensure controller events continue when the app is inactive Possible Relation to Recent Changes We noticed in the macOS 15.4 Release Notes: Game Controller - Resolved Issues: Fixed: Game controllers might stop responding when accessibility features, such as Voice Over, are enabled. (141497799) We suspect this fix might have introduced a regression or intentional limitation affecting applications like ours that rely on background event simulation with game controller input. Impact This change severely impacts: Applications designed to use game controllers as assistive input devices for users who may have difficulty using traditional keyboard and mouse inputs Applications for media control, presentation navigation, and other similar use cases Users who rely on our application for accessibility purposes Questions Is this an intentional security change or an unintended side effect of the controller fix mentioned in the release notes? Are there any new APIs or alternative approaches we should implement to restore functionality? If this is a system bug, when can we expect a fix? We would greatly appreciate any guidance on how to restore our application's functionality. Thank you for your assistance.
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465
Apr ’25
Guided Access Mode From Background
My team is designing an app for retail associates that need to share managed iPads. We keep the app in Guided Access mode on our login app until an auth token is obtained. Then the iPad is opened for general use. Upon signout we need to re-enter guided access mode and we can do this via manual signout easily. But with idle signout, ie after 60 minutes of inactivity, we need to be able to make a call from the background (in a locked state even) and sign out the user, clear the pin code and enter single app mode before restarting. So that hopefully once the device restarts, we have the app in a locked state again until the next user provides credentials that can obtain a new auth token. We are struggling to see if this is even possible. Our bosses will be displeased if we tell them it isn't. So anybody with any tips would be very appreciated.
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282
Mar ’25
Why is VoiceOver’s "Content Chooser" rotor empty in my macOS app?
I'm developing a macOS app using NSView and trying to make my content navigable via VoiceOver. I'm expecting the built-in rotor category "Content Chooser" (accessed via VO + U) to list my accessible elements — just like how it shows message items in the Mail app. However, in my app, this rotor appears empty, even though: My views return proper accessibilityChildren() or accessibilityContents() with valid NSAccessibilityElements Each child has correct AXRole, AXLabel, etc. The window is key and visible VoiceOver navigation works for the elements I've also tried: Using both accessibilityChildren() and accessibilityContents() in container views Setting roles like .group, .staticText, .button, etc. Avoiding hidden elements Ensuring all elements are visible and labeled Still, "Content Chooser" rotor is empty. What exact conditions must be met for an element to appear in the "Content Chooser" rotor in a macOS app? Any Apple-specific guidance, hidden requirements, or sample code would be appreciated.
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179
May ’25
Speak Selection broken with SwiftUI text
I have users who need to be able to hear the content of SwiftUI Text views. I have specified the .textSelection(.enabled) modifier for the text views. Adding this modifier causes a "copy" option to appear on long press, but it doesn't enable the visible selection of text, nor does it provide the "Speak" menu item that UIKit allows on text selection. Is the "Speak Selection" accessibility feature broken for SwiftUI Text views? I've found that there's another accessibility feature that does work (enabling the Speech Controller button for "Speak Screen"). Do I need to tell my users that Apple is deprecating the "Speak Selection" accessibility feature, and that they need to use the Speech Controller instead? Or is there something else I can do to my SwiftUI to get that feature to work?
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240
Jul ’25
AVPlayer Visual Accessibility Issues
AVPlayer has 3 visual accessibility issues with videos out of the box: The contrast fails for the current time in the video The contrast fails for the remaining time in the video The hit area is too small for the time slider. The WCAG AA requirement is a minimum hit size of 24 x 24. The height of the hit area of the offending region is 8. Is there a known fix for any of these? This can be reproduced with this code in an app playground: import SwiftUI import AVKit import UIKit struct ContentView: View { private let video = URL(string: "https://server15700.contentdm.oclc.org/dmwebservices/index.php?q=dmGetStreamingFile/p15700coll2/15.mp4/byte/json")! @State private var player: AVPlayer? var body: some View { VStack { VideoPlayerView(player: player) .frame(maxWidth: .infinity, maxHeight: 200) } .task { player = try? await loadPlayer(video: video) } } } private struct VideoPlayerView: UIViewControllerRepresentable { let player: AVPlayer? func makeUIViewController(context: Context) -> AVPlayerViewController { let controller = AVPlayerViewController() controller.player = player controller.modalPresentationStyle = .overFullScreen return controller } func updateUIViewController(_ uiViewController: AVPlayerViewController, context: Context) { uiViewController.player = player } } private func loadPlayer(video: URL) async throws -> AVPlayer { let videoAsset = AVURLAsset(url: video) let videoPlusSubtitles = AVMutableComposition() try await videoPlusSubtitles.add(videoAsset, withMediaType: .video) try await videoPlusSubtitles.add(videoAsset, withMediaType: .audio) return await AVPlayer(playerItem: AVPlayerItem(asset: videoPlusSubtitles)) } private extension AVMutableComposition { func add(_ asset: AVAsset, withMediaType mediaType: AVMediaType) async throws { let duration = try await asset.load(.duration) try await asset.loadTracks(withMediaType: mediaType).first.map { track in let newTrack = self.addMutableTrack(withMediaType: mediaType, preferredTrackID: kCMPersistentTrackID_Invalid) let range = CMTimeRangeMake(start: .zero, duration: duration) try newTrack?.insertTimeRange(range, of: track, at: .zero) } } }
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179
Apr ’25
Custom tab bar in SwiftUI
I made a (very simple) custom tab bar in SwiftUI. It's simply an HStack containing two buttons. These buttons control the selection of a paged TabView. This works well, but in VoiceOver they don't behave like the bottom tab bar or e.g. a segmented picker. Specifically, VoiceOver does not say something like "tab one of two" when the first button is focused. According to my research, in UIKit this can be accomplished by giving the container view the accessibility trait tabBar, hiding it as an accessibility element and give it the accessibility container type semanticGroup. In SwiftUI, there is also the trait isTabBar, but that does not seem to have any impact for VoiceOver. I don't see an equivalent of semanticGroup in SwiftUI. I tried accessibilityElement(children: .contain) but that also does not seem to have any impact. So, is there any way in SwiftUI to make a button behave like a tab-button in VoiceOver? And how is SwiftUI's isTabBar accessibility trait supposed to be used?
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351
Aug ’25
VoiceOver cursor focus tracking
In some places of our app we make use of NSAccessibilityElement subclasses to vend some extra items to accessibility clients. We need to know which item has the VoiceOver focus so we can keep track of it. setAccessibilityFocused: does not get called when accessibility clients focus NSAccessibilityElements. This method is only called when accessibility clients focus view-based accessibility elements (i.e. when a NSView subclass gets focused). At the same time we need to programmatically move VoiceOver focus to those items when something happens. Those accessibility elements inherit from NSObject so we can't make them first responder. Is this the expected behavior? What are our options in terms of reacting to VoiceOver cursor moving around? What are our options in terms of programmatically moving the VoiceOver cursor to a different element? Here's a sample project that demonstrates the first part of the issue: https://github.com/vendruscolo/apple-rdars/tree/master/DTS12368714%20-%20NSAccessibilityElement%20focus%20tracking If you run the app, a window will show up. It contains a button and a red square. If you enable VoiceOver you'll be able to move the cursor over the red square, and a message will be logged. You'll also notice there's an extra element after the red square. That element is available to VoiceOver, however when it gets focuses, no message gets logged.
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622
Mar ’25
Developer Mode Restart without HomeButton
After enabling Developer Mode on my iPhone and restarting it, the device asks me to press the Home button to confirm. Unfortunately, my Home button is broken, so I can’t access Developer Mode. The iPhone itself still works, but I can’t enable the mode. Is there any way to bypass this without the Home button?
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107
Mar ’25
Attempting to go directly to a help book page results in the main help book page being displayed instead
There is an issue with Help Books that started with the release of macOS 14.4. The issue is that when an app attempts to go directly to a Help Book page, the help viewer opens to the Help Book's main index page, rather than the specific page requested. As I investigated the issue I found that the requested page was actually part of help viewer's navigation history, and all I had to do was to click the Back navigation arrow and the requested page would be displayed. So it seems like the requested page is momentarily visited but is then (for whatever reason) quickly replaced by the main index page. Our app uses the AHGotoPage() API for directly accessing our Help Book's pages. This is the same mechanism/code that our app has used for more than a decade and has never caused us any issues. Everything works fine on macOS 14.3.0 and earlier. I've scoured the documentation and can't find any newer APIs for accessing Help pages. I've also tried various other things (e.g. reworking the code, creating new indexes for the app's Help, etc.), but none of it seems to make a difference. As far as I can tell, the issue seems to stem from some change made to the OS. So my questions are: Is this a known bug? And if so, is there any ETA on a fix? Is there something different we should be doing for newer versions of the OS (create indexes differently, use a different API, etc.)?
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2.0k
Oct ’25
SwiftUI PhotosPicker accessibility issue
iOS 18.3.1, iPhone 16 Pro. I pick photos using connected physical keyboard from the user's photo library using: .photosPicker(isPresented: $viewModel.isImagePickerPresented, selection: $viewModel.selectedImageItem, matching: .images) When picker appears, accessibility focus is moved to "dynamic Island" instead of cancel button. There is no possibility to navigate by keyboard in photos picker view without tapping on this view and move focus to this view manually . I noticed the same behavior in Notes app.
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589
Mar ’25
Hi,I applied for the COMMUNICATION capability failed, what should I do next?
Hi,I applied for the COMMUNICATION capability, but have a message that I already have the driving task app entitlement. After that ,I have applied one more time ,there is no reply anymore. I do not have the com.apple.developer.carplay-communication capability, that means I can not apply this capability? What should i do next to get this capatibility? Thanks
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1.1k
Jul ’25
AXIsProcessTrusted returns true, but AXUIElementCopyAttributeValue fails with .cannotComplete
This was working a few days ago, but it has since stopped and I can't figure out why. I've tried resetting TCC, double-checking my entitlements, restarting, deleting and rebuilding, and nothing works. My app is a sandboxed macOS SwiftUI LSUIElement app that, when invoked, checks to see if the frontmost process is Terminal, then tries to get the frontmost window’s title. func getFrontmostWindowTitle() throws -> String? { let trusted = AXIsProcessTrusted() print("getFrontmostWindowTitle AX trusted: \(trusted)") guard let app = NSWorkspace.shared.frontmostApplication else { return nil } let appElement = AXUIElementCreateApplication(app.processIdentifier) var focusedWindow: AnyObject? let status = AXUIElementCopyAttributeValue(appElement, kAXFocusedWindowAttribute as CFString, &focusedWindow) guard status == .success, let window = focusedWindow else { if status == .cannotComplete { throw Errors.needAccessibilityPermission } return nil } var title: AnyObject? let titleStatus = AXUIElementCopyAttributeValue(window as! AXUIElement, kAXTitleAttribute as CFString, &title) guard titleStatus == .success else { return nil } return title as? String } I recently renamed the app, but the Bundle ID has not yet changed. I have com.apple.security.accessibility set to YES in the Entitlements file (although i had to add it manually), and a NSAccessibilityUsageDescription string set in Info.plist. The first time I ran this, macOS nicely prompted for permission. Now it won't do that, even when I use AXIsProcessTrustedWithOptions() to try to force it. If I use tccutil to reset accessibility and apple events, it still doesn't prompt. If I drag my app from the build products folder to System Settings, it gets added to the system TCC DB (not the user DB). It shows an auth value of 2 for my app: % sudo sqlite3 "/Library/Application Support/com.apple.TCC/TCC.db" "SELECT client,auth_value FROM access WHERE service='kTCCServiceAccessibility' OR service='kTCCServiceAppleEvents';" com.latencyzero.<redacted>|2 <redactd> I'm at a loss as to what went wrong. I proved out the concept earlier and it worked, and have since spent a lot of time enhancing and polishing the app, and now things aren't working and I'm starting to worry.
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1.1k
Jul ’25
accessibilityElements excludes the unlisted subviews – How to Fix?
I have a parent view containing 10 subviews. To control the VoiceOver navigation order, I set only a few elements in accessibilityElements. However, the remaining elements are not being focused or are completely inaccessible. Is this the expected behavior? If I only specify a subset of elements in accessibilityElements, does it exclude the rest? What’s the best way to ensure all elements remain accessible while customising the order?
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227
Apr ’25
Programmatically force VoiceOver to read parentheses for math expressions
How can I force VoiceOver to read parentheses for math expressions like this: Text("(2+3)×4") // VoiceOver: Two plus three, times four I’m looking for a way to have VoiceOver announce parentheses (e.g. “left paren”, “right paren”) without relying on NumberFormatter.Style.spellOut or .speechAlwaysIncludesPunctuation(), as both have drawbacks. Using .spellOut breaks braille output and Rotor › Characters menu by turning numbers and symbols into words. And .speechAlwaysIncludesPunctuation() makes VoiceOver overly verbose—for example, it reads “21” as “twenty hyphen one.” Is there a better way to selectively announce specific punctuation like parentheses while keeping numbers and symbols intact for braille and Rotor use?
2
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377
Jul ’25