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Popping Sound

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Concerning Socket Disconnection Issues in iPhone VoIP Applications
We are encountering the following issue with our VoIP application for iPhone, published on the App Store, and would appreciate your guidance on possible countermeasures. The VoIP application (callee side) utilizes a Wi-Fi network. The sequence leading to the issue is as follows: VoIP App (callee): Launches iPhone (callee): Locks (e.g., by short-pressing the power button) VoIP App (callee): Transitions to a suspended state VoIP App (caller): Initiates a VoIP call VoIP App (callee): Receives a local push notification VoIP App (callee): Creates a UDP socket for call control (for SIP send/receive) VoIP App (callee): Creates a UDP socket for audio stream (for RTP send/receive) VoIP App (callee): Exchanges SIP messages (INVITE, 100 Trying, 180 Ringing, etc.) using the call control UDP socket VoIP App (callee): Answers the incoming call VoIP App (callee): Executes performAnswerCallAction() Immediately after executing performAnswerCallAction() in the above sequence, the sendto() function for both the UDP soc
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'tabViewBottomAccessory' leaves an empty accessory area when conditionally hidden
We use SwiftUI's .tabViewBottomAccessory in our iOS apps for displaying an Audio MiniPlayer View (like in the Apple Music App). TabView(selection: $viewModel.selectedTab) { // Tabs here } .tabViewBottomAccessory { if viewModel.showAudioMiniPlayer { MiniPlayerView() } } The Problem This code works perfectly on iOS 26.0. When viewModel.showAudioMiniPlayer is false, the accessory is completely hidden. However, on iOS 26.1 (23B5059e), when 'viewModel.showAudioMiniPlayer' becomes false, the MiniPlayerView disappears, but an empty container remains, leaving a blank space above the tab bar. Is this a known Bug in iOS 26.1 and are there any effective workarounds?
Topic: UI Frameworks SubTopic: SwiftUI
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Not able to write AAC audio with 96 kHz sample rate using AVAudioRecorder or Extended audio file services
Not able to record audio in AAC format with 96 kHz sample rate using AVAudioRecorder or Extended Audio File services with 96 kHz input audio from input device. The audio recording settings used are let settings: [String: Any] = [ AVFormatIDKey: Int(kAudioFormatMPEG4AAC), AVSampleRateKey: sampleRate AVNumberOfChannelsKey: 1 AVEncoderAudioQualityKey: AVAudioQuality.high.rawValue ] When tried using AVAudioEngine using AVAudioFile, AVAudioFile(forWriting: fileURL, // file extension .m4a settings: fileSettings, commonFormat: AVAudioCommonFormat.pcmFormatFloat32, interleaved: interleaved) else { return } got error CodecConverterFactory.cpp:977 unable to select compatible encoder sample rate AudioConverter.cpp:1017 Failed to create a new in process converter -> from 1 ch, 96000 Hz, Float32 to 1 ch, 96000 Hz, aac (0x00000000) 0 bits/channel, 0 bytes/packet, 0 frames/packet, 0 bytes/frame, with status 1718449215
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StoreKit Config file Options Grayed Out
I have a question concerning Xcode version 26. Ever since I installed this version on my Mac, I have been experiencing issues with the StoreKit configuration file. The Simulated StoreKit Failures check boxes and selections are all grayed out. Once in a while, I see a pop-up stating The document 'TaConfig.storekit' could not be autosaved. The file has been changed by another application. The pop-up Save as... points to where my config file is located, but the config file is grayed out. I thought maybe the directory where the file is located is write protected, but I have been able to save other files to the same directory. The Edit Scheme... -> Run -> Options has the StoreKit Configuration set for my file TaConfig.storekit. It feels like there is an option somewhere that I'm missing.
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Reply to Wakes (CalendarDate), although related UI settings are off
Are you build a product for macOS where this is relevant? If so, can you explain more about the background to that. If not, I suspect that the Apple Developer Forums aren’t the right place for you, and I encourage you to pop on over to Apple Support Community, run by Apple Support. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
Topic: App & System Services SubTopic: Core OS Tags:
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Reply to Spatial Audio on iOS 18 don't work as inteneded
For completeness, this is the view I'm experimenting with: import AVFoundation import SwiftUI class EngineerPlayer { let audioEngine = AVAudioEngine() let playerNode = AVAudioPlayerNode() let environmentNode = AVAudioEnvironmentNode() init(_ url: URL) throws { let audioFile = try AVAudioFile(forReading: url) let mono = AVAudioFormat(standardFormatWithSampleRate: audioFile.processingFormat.sampleRate, channels: 1) let stereo = AVAudioFormat(standardFormatWithSampleRate: audioFile.processingFormat.sampleRate, channels: 2) audioEngine.attach(playerNode) audioEngine.attach(environmentNode) audioEngine.connect(playerNode, to: environmentNode, format: mono) audioEngine.connect(environmentNode, to: audioEngine.mainMixerNode, format: stereo) audioEngine.prepare() try audioEngine.start() environmentNode.renderingAlgorithm = .HRTFHQ playerNode.pointSourceInHeadMode = .mono playerNode.position = AVAudio3DPoint(x: 0, y: 2, z: 10) playerNode.scheduleFile(audioFile, at: nil, completionHandler: nil) } func updatePosition(_
Topic: Media Technologies SubTopic: Audio Tags:
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Reply to "Signing certificate" and post-installation assignment fail due to IOPCIPrimaryMatch
So, let me start with the causes of these failures: But when I do, the signing certificate status in Xcode shows as failed. Why is that? This post has more detail, but in basic terms, your app’s signing is created from two components: Your Entitlement.plist -> This is used to create the actual code-signature attached to your app bundle. The provisioning profile -> This is a file that we've signed and which is then embedded inside your app’s bundle. (Note: not all signed apps have/need one of these, but all DEXT do). The system validates the entitlement by comparing the entitlement values contained in those two files (your app’s code signature and its embedded provisioning profile). That's why the profile (#2) is signed by us - it proves we want your app to have the entitlement. Xcode checks that your app is properly signed by comparing the data in those values to ensure that they match, creating this failure when they don't match. What I wanted to convey in my previous post was that I think I should inc
Topic: Code Signing SubTopic: Entitlements Tags:
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Will the new Automix feature in iOS 26 be available for third-party apps using MusicKit?
Hi everyone, We’re currently developing a music-based app using MusicKit, and we recently noticed that iOS 26 beta introduces a new “Automix” feature in the Apple Music app. This enables seamless DJ-style transitions between songs—beyond the standard crossfade functionality. We’re trying to understand: Will this Automix feature be accessible to third-party apps that use MusicKit? If not available in the initial iOS 26 release, is there a plan to expose it through public APIs in a future update? Is there any technical documentation, WWDC session, or roadmap info regarding Automix support via MusicKit? This functionality would be a significant enhancement for our app, especially for intelligent audio transitions and curated playlists. Thanks.
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Reply to How to check if a sandboxed app already has the access permission to a URL
@Etresoft You can use the isReadable value from URLResourceValues. Thank you. This is exactly the API I was looking for. However, it sounds like you're not approaching this from the right direction. I'm not trying to open random files...; I just want to use it to prompt the user to obtain access permissions if they don't have them for the file they tried to open (the file linked by an alias).
Topic: UI Frameworks SubTopic: AppKit Tags:
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Reply to CLLocationManager didVisit no longer invoked reliably after iOS 26 updates
This sounds like a regression our engineering teams need to investigate this issue, as this might indicate an issue with iOS 26.x We'd greatly appreciate it if you could open a bug report, include any logs and sample code or models that reproduce the issue, and post the FB number here once you do. We would also like a diagnostic log. It would be very helpful if you could please go to https://developer.apple.com/bug-reporting/profiles-and-logs/ and follow the instructions for Location Services for iOS to install a logging profile on your device. Then reproduce the issue, and follow the instructions at the above link to create a sysdiagnose. And attach that to the Feedback report as well. Bug Reporting: How and Why? has tips on creating a successful bug report. Important: For feedback related to a specific framework or API, select Developer Technologies & SDKs as your Topic, then select the specific technology and relevant OS. For feedback related to Xcode, App Store Connect, or other developer too
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Core audio for using to record Multitrack audio.
Hello, I’ve looked at a video and have tons of research and I’m trying to see if there is a way core audio can be created in Xcode as an audio device? “keep in mind” I am totally new to apple’s developer forums and I do not know anything about Xcode nor on how to create an audio device of coreaudio on a Mac since there’s a lot stuff that has do with coding. Nor am I good with that type of technology.
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Reply to How to check if a sandboxed app already has the access permission to a URL
You can use the isReadable value from URLResourceValues. However, it sounds like you're not approaching this from the right direction. You should never need to do this in the first place. Your app shouldn't attempt to read random files. It should only attempt to access files that the user has specifically requested. And even then, you shouldn't check readability. That's not reliable. Instead, just try to do what the user asked and report an error if it fails.
Topic: UI Frameworks SubTopic: AppKit Tags:
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Reply to GenerationError -1 / 1026
This definitely sounds like a bug. Can you please file a Feedback Assistant bug report to Foundation Models Framework so we can take a look at your Mac's and Xcode's system state? In the meantime, here are a few tactics that might help reset whatever's gone wrong: Close Xcode. Restart your Mac. Open Xcode. If that doesn't work: Go to Settings -> Apple Intelligence & Siri -> turn Apple Intelligence off. Restart your Mac. Then turn Apple Intelligence back on.
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