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Popping Sound

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Clarification on SwiftUI Environment Write Performance
I'm looking for clarification on a SwiftUI performance point mentioned in the recent Optimize your app's speed and efficiency | Meet with Apple video. (YouTube link not allowed, but the video is available on the Apple Developer channel.) At the 1:48:50 mark, the presenter says: Writing a value to the Environment doesn't only affect the views that read the key you're updating. It updates any view that reads from any Environment key. [abbreviated quote] That statement seems like a big deal if your app relies heavily on Environment values. Context I'm building a macOS application with a traditional three-panel layout. At any given time, there are many views on screen, plus others that exist in the hierarchy but are currently hidden (for example, views inside tab views or collapsed splitters). Nearly every major view reads something from the environment—often an @Observable object that acts as a service or provider. However, there are a few relatively small values that are written to the environment frequently, s
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Alarm Kit - Sound Repetition
Hello, If I fire an alarm using AlarmKit, using a ringtone that lengths less than 30 seconds, in the last version of iOS (26.0) the sound doesn't repeat. (After about 30 seconds, the sounds stops). BUT in the current version of iOS (26.1), the sound repeats until we slide Stop, thing that I doesn't want. So, is there a way to restore the previous behavior? Or is there a property that can fill this lack? Thank you very much.
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Reply to Xcode Simulator causes Mac audio crackling and distortion
There are various reports of this issue scattered about. Any time I start to hear the crackle I run the following command from a terminal window: sudo pkill coreaudiod That fixes the issue for a while. If you run that while playing music or other audio, the sound will stop for a couple of seconds as the process restarts and then the audio will come back without the crackle.
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Xcode Simulator causes Mac audio crackling and distortion
[Submitted as FB20950954] Xcode Simulator causes crackling and distortion in audio playback across all apps (Apple Podcasts, Music, third-party). REPRO STEPS Open any audio app and start playback Note the audio quality Launch Xcode Simulator After a few seconds, note audio quality again Quit Xcode Simulator Audio returns to normal CURRENT Audio has crackling and distortion while Simulator is running. EXPECTED Clean audio playback regardless of whether Simulator is running. SYSTEM INFO macOS 26.1 (25B78) Xcode 26.1 (17B55) Simulator 26.0 (1058)
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Reply to Some issues and questions regarding the use of the BGContinuedProcessingTask API
First, let me explain my understanding of this API. I believe its purpose is to allow an app to trigger tasks that can be represented with progress indicators and require a certain amount of time to complete. I put things much more simply than that and say that the goal is simply to provide an API that gives apps an extended period of time to complete user-critical work after they enter the background. The progress requirement exists as a practical UI compromise so that the user can see something and the system has some assurance that the app is still functioning. I'd also push back on the trigger tasks part of this. Nothing requires your app to actually bind its activity to the continuing task and, in fact, I think there are many situations where your app should simply start the work immediately, with the continuing task acting as a backup in case your app is sent to the foreground. See this forum thread for an extended discussion of this. After I called register and submit, the BGContinuedProcessingTask cou
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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 Voip Notifaction in Background
My app uses CallKit and PushKit for real-time voice and video calls. I want to configure VoIP push notifications so incoming calls can wake the app, even when it’s in the background or terminated. Right now, I only see the normal Push Notifications option in my App ID settings and no VoIP Services section. I'm not entirely sure of what you're looking at here, so I'm going to give you a general rundown of how VoIP apps are configured and hope that covers your questions: The app itself doesn't actually have any special configuration on the developer portal. In Xcode, you do need to add both the voip and audio background categories, but both of those are actually modifying the UIBackgroundModes Info.plist key, so that doesn't actually impact the portal. Most VoIP apps also implement standard push, both to support text messaging and for things like notifying the user of missed calls. However, receiving VoIP pushes does NOT actually require authorization from the user. The modern approach to sending VoIP
Topic: App & System Services SubTopic: General Tags:
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Question about "Notification (NSE) filtering" capability request
We are developing a messaging app which sends End-to-End encrypted data. The application supports multiple types of E2EE data, including text messages and voice over IP calls. Apple's article titled “Sending End-to-End Encrypted VoIP calls” (https://developer.apple.com/documentation/callkit/sending-end-to-end-encrypted-voip-calls) states that the following steps are required to support E2EE VoIP calls: Request permission to receive remote notifications through the User Notifications framework Register for VoIP calls using PuskKit Add a Notification Service Extension target to your app. Add the com.apple.developer.usernotifications.filtering entitlement to the NSE target’s entitlements file. We have completed steps one through three. We are still missing the filtering entitlement. As of right now the system does not allow us to use reportNewIncomingVoIPPushPayload(_:completion:) method because of the missing entitlement.
 Below is a short description of how our messaging app works: User sends a message to anot
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Reply to Default Mail App Ad hoc Provisioning Profile Support
[quote='806537021, jay2013, /thread/806537, /profile/jay2013'] This has to be a bug. [/quote] Well, that depends on your point of view (-: When dealing with managed capabilities like this, the system allows for various restrictions, and it seems that whoever set this up decided to apply this restriction (or made a mistake). I’m not involved in that process, so I can’t offer any insight into that. [quote='806537021, jay2013, /thread/806537, /profile/jay2013'] How do I get Apple to fix this? [/quote] My general advice for entitlement problems like this is to start a support request via Apple > Developer > Contact Us > Development and Technical > Entitlements. It sounds like you’ve already done that. You should’ve got back a case number. Please post that here. Also, can you post the first and last letters of your Team ID. For example, the Team ID of my individual test team is SKMME9E2Y8, and the redacted version is S________8. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Suppo
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Background Download Not Working in release builds- flutter_downloader
Issue: Background downloads using the flutter_downloader package work perfectly in debug mode and release mode when run directly from Xcode (plugged in). However, when I create an archive build and install the app separately (via TestFlight or direct IPA install), the background download stops working as soon as the app is minimized. ✅ What I’ve already done Info.plist UIBackgroundModes remote-notification fetch processing audio push-to-talk AppDelegate.swift import UIKit import Flutter import Firebase import flutter_downloader import BackgroundTasks @main @objc class AppDelegate: FlutterAppDelegate { static let backgroundChannel = com.example.app/background_service private var backgroundCompletionHandler: (() -> Void)? override func application( _ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? ) -> Bool { FirebaseApp.configure() GeneratedPluginRegistrant.register(with: self) FlutterDownloaderPlugin.setPluginRegistrantCallback(r
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FaceTime Screen-Share Audio and Video Experience
FaceTime’s screen-share audio balance is insanely absurd right now. Whenever I share media, the system audio that gets sent through FaceTime is a tiny whisper even at full volume (or even when connected to my speaker or headphones). The moment anyone on the call makes any noise at all, the shared audio ducks so hard it disappears, while the voice (or rustling or air conditioning noise) spikes to painful levels. It’s impossible to watch or listen to anything together. Also, the feature where FaceTime would shrink to a square during screen-sharing has been completely removed. That was a good feature and I'm really confused why it's gone. Now, the FaceTime window stays as a long rectangle that covers part of the content I'm trying to share (unless I do full screen tile, but then I can't pull up any other windows during the call) and can't be made smaller than about a third of the screen. You can't resize the window or adjust its dimensions, so it ends up blocking the actual media you'r
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Reply to How to detect "Full Screen Apps" vs "Windowed Apps" multitasking?
For #1 I think our recommendation would be to never rely on the main menu bar existing but I can certainly see challenges in building a UI that way at times! For #2 that sounds buggy to me but I don't know for sure. If nothing else it would probably make good feedback, since I would hope that we would behave consistently in this respect regardless of modes. I'll ping some folks and see if there is any additional insight they can provide here.
Topic: UI Frameworks SubTopic: UIKit Tags:
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Reply to AVAudioSessionCategoryPlayback is not allowed while CallKit call is active
Thank you for the clear explanation. We must emphasize that, as a Mission critical Push-to-Talk (PTT) application, the perceived volume and clarity of the audio are fundamental user requirements. We currently achieve the necessary amplification and clarity using a custom PCM gain factor. Therefore, the ability for our application to apply a specific gain factor to PCM samples for amplification is essential. Could you please advise on which framework or API Apple recommends for a third-party application to intercept and process the audio stream—specifically, to apply a GAIN factor to PCM samples—during an active CallKit call?
Topic: Media Technologies SubTopic: Audio Tags:
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