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Popping Sound

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Reply to Installer package is terminated after 600 seconds
Sorry about the delay responding. It’s been a busy week. [quote='849355022, Andrewfromvictoria, /thread/791461?answerId=849355022#849355022, /profile/Andrewfromvictoria'] there are very large libraries of audio content available for our program, and the install scripts help them with various options for installing/using this content [/quote] OK. But does that content ultimately stored in your installer package? Or is the script getting it from elsewhere? Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
Aug ’25
Reply to block microphone and speakers due to security reason
Is there an Apple-recommended approach to implement such blocking more securely? No, not really. I'm not expert enough in the audio details of the audio system to make any specific recommendation there, but all of the different options within the audio system would really only change the small details of behavior (for example, performance), not provide some fundamental improvement. However, I can say that IOKit: Maybe some solution which is based on IOKit. ...will definitely NOT work, nor would I expect any approach outside of the audio system to really work. Here is what I'd be concerned about: Bluetooth doesn't really live in the kernel in the same way other I/O paths do. I haven't looked closely, but I'm not sure it's possible to block Bluetooth audio devices using IOKit. The range of hardware here is so large that I think it would be VERY difficult to build an IOKit-based solution that I'd be confident could block everything. Further complicating #2, I believe
Topic: App & System Services SubTopic: Core OS Tags:
Jul ’25
Reply to VisionOS: WKWebView stops rendering after WindowGroup is closed
Hey @Perazim, It sounds like you're building a pretty cool experience, in order to fully understand your situation, it would be great if you could provide me with a sample project that replicates your issue. Our engineering teams need to investigate this issue, as resolution may involve changes to Apple's software. I'd greatly appreciate it if you could open a bug report, include an Xcode project that replicates the issue, and post the FB number here once you do. Bug Reporting: How and Why? has tips on creating your bug report. Thanks, Michael
Topic: UI Frameworks SubTopic: SwiftUI Tags:
Jul ’25
Reply to How to configure Spatial Audio on a Video Material?, Compile error.
Hello, We have SpatialAudioComponent set on the sphere to play audio when certain Entities within the sphere are tapped. That part works great. However, when we switch out the image material on the sphere with a VideoMaterial, the spatial sound doesn't appear to be enabled. The volume actually decreases. Is there some meta data we are missing somewhere to spatially play the audio in the video? Thank you! bvsdev
Topic: Spatial Computing SubTopic: General Tags:
Jul ’25
Reply to AVAudioSession gets interrupted when closing a window
We seem to be having the same issue as well, whenever the window goes into an inactive state before foreground, the audio session gets interrupted. if you have only one window and you close it from the system button, it goes into inactive (causing the session to be interrupted) and then foreground. Closing it programmatically (dismiss window Action) is handled differently as then when observing the scene phases, the window goes directly into foreground. Also if you open window A, and then Window B and then close window B and then A. Interrupts the Audio. In this case, Window B goes into background, but window A goes to Inactive-> Background. However closing window A while B is open and then closing window B does not interrupt it. both windows go into Background state directly. which makes me think that it is the inactive state that is causing this interruption.
Topic: Spatial Computing SubTopic: General Tags:
Jul ’25
Push notifications on the iPhone simulator
I've been aware for some time that Push notifications work on the iOS simulator now -- I see them pop up while I'm working. However, it would seem that SILENT push notifications do not work. I came to this conclusion only after several frustrating hours of debugging my app, thinking either the app was broken or the server wasn't sending the notification. Finally I tested it on a device and found that it actually works fine. Why does such a limitation exist? If I can't depend on the simulator to handle ALL of the notifications, I'd rather it didn't work at all. Having it work part of the time on some notifications is really confusing.
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Jul ’25
Reply to Call Blocking (CallKit) not working on iOS 26 Public Beta
Did you make any changes to CXCallDirectoryProvider or CallKit that may prevent call blocking? No, nothing specific to CXCallDirectory changed. However... (or maybe with the new changes that were introduced with call filtering etc in iOS 26) ...there were lots of changes in this area as part of the introduction of Live Caller ID. I've tried lots of call blocking apps (6 apps) and none of them was able to block a call anymore, so this indicates that this should be an issue on the iOS side. Yes, that sounds reasonably likely. However, I need to jump back and expand on what I said here: There's a crash in callservicesd that might cause what you're describing; however, neither of your bugs has enough diagnostic information to confirm that's the case or whether it's a different issue. Broadly speaking, most developer bugs I look at fall along this spectrum, depending on the level of detail they contain: User bug -> This doesn't work. Developer User bug -> This API/part of my app doesn't work. Minima
Topic: App & System Services SubTopic: General Tags:
Jul ’25
ProductView failed to trigger purcahse flow.
Hi, My app has an IAP and the view that let user to purchase is simply a ProductView. The purchase flow should be handled by the ProductView itself. I have tested the app with xcode storekit configuration, xcode run with sandbox account and also TestFlight environment as well. The purchase is triggered and the app feature is unlocked after purchase. However, I keep getting app review team feedback with the following problem: Bug description: the purchase button is greyed out after we tapped on it, however, there's no purchase flow popped up I have tried multiple things. Building with xcode cloud, removing the storekit configuration from the build scheme. But none can get the app review team to get through the problem. The IAP is not available in certain region. In that case, the app will show a message. However, the app review attached an screenshot which shows the product view. The view that allow users to purchase if let product = store.products.first(where: { $0.id == com.***.xxxxxxx }) { // If th
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Jul ’25
Reply to How to configure Spatial Audio on a Video Material?, Compile error.
Hi bvsdev! You can specify the audio rendering behavior of a view material by placing a spatial, ambient, or channel audio component on the same entity. https://developer.apple.com/documentation/realitykit/spatialaudiocomponent https://developer.apple.com/documentation/realitykit/ambientaudiocomponent https://developer.apple.com/documentation/realitykit/channelaudiocomponent Thank you for calling attention to the inconsistency in documentation; we will get this updated.
Topic: Spatial Computing SubTopic: General Tags:
Jul ’25
Reply to Passing string between Swift and C++
I’m not sure my opinion is valuable here. My focus is on technical issues, and from a technical perspective the automatic bridging to std::string is the right option. If there are policy constraints that prevent you from doing that, that’s not something I can wade in on. However, if you stick with C strings then I can talk about the best way to do that from Swift. I can think of at least two significant concerns: UTF-8 soundness Unsafe pointers and copies Regarding the first, Swift really wants its strings to be valid UTF-8. When you create a Swift string from a C string, Swift will validate the encoding. It’s quite common to see problems in this space. For example, we regularly see things like non-BMP Unicode code points being encoded as a pair of UTF-8 encoded UTF-16 surrogates, which is completely wrong. Swift reacts to such bogosities in two ways: Some routines are able to signal the failure, by returning nil for example. Some routines replace problems with the U+FFFD REPLACEMENT CHARACTER. Check
Topic: Programming Languages SubTopic: Swift Tags:
Jul ’25
How to configure Spatial Audio on a Video Material?, Compile error.
I've tried following apple's documentation to apply a video material on a Model Entity, but I have encountered a compile error while attempting to specify the Spatial Audio type. It is a 360 video on a Sphere which plays just fine, but the audio is too quiet compared to the volume I get when I preview the video on Xcode. So I tried tried to configure audio playback mode on the material but it gives me a compile error: audioInputMode' is unavailable in visionOS audioInputMode' has been explicitly marked unavailable here RealityFoundation.VideoPlaybackController.audioInputMode) https://developer.apple.com/documentation/realitykit/videomaterial/ Code: let player = AVPlayer(url: url) // Instantiate and configure the video material. let material = VideoMaterial(avPlayer: player) // Configure audio playback mode. material.controller.audioInputMode = .spatial // this line won’t compile. VisionOS 2.4, Xcode 16.4, also tried Xcode 26 beta 2. The videos are HEVC MPEG-4 codecs. Is the
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Jul ’25
hyperthreading with arm64
Hi, I am curious about if hyperthreading is enabled/disabled on my macbook pro M1 or M4. Howto figure out? I am using macOS 15.5. Further, I develop a multi-threaded audio sequencer that creates threads per instrument. I use vector operations to increase performance. I recognized lowering synchronization rate from 250 Hz to 60 Hz gives additional performance advantages. Howto programmatically check if Hyperthreading is enabled/disabled and howto enable/disable it programmatically? After some research I found sysctl() and nvram SMTDisable=%01. https://support.apple.com/en-us/101870 Can anyone provide me an Objective C example? regards, Joël
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Jul ’25
making preview for app
I have a small .mov I created using screenshot and I want to use it as a preview. I have managed to resize it to the required 1920x1080, added a sound track using ffmpeg (home-brew), drop it into an iMovie App preview project, share it as a file, drag that file to App Store Connect/Apps/myApp/App previews and Screenshots only to have it rejected for frame rate too high, 30 fps required. There appears to be no way to specify frame rate in Screenshot nor iMovie during share. Aside from using a third party app Handbrake to edit the file, what can be done? Maybe more importantly, why is 30 fps required when it isn't a standard output of screenshot nor iMovie/AppPreviewProject ? btw: iMovie/AppPreview/Help shows submittal of non-1920x1080 files to AppStoreConnect
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Jul ’25