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Reply to BGContinuedProcessingTask launchHandler invocation
the launchHandler is there to tell you the task has started and provide you the BGTask object you use to manage that work. No task type actually requires the work to occur inside the task. Thanks Kevin! So I need to think about this a little differently then. Instead of performing the work once you get a BGContinuedProcessingTask, just begin performing the work (the exact same way you do in iOS 18), if a BGContinuedProcessingTask starts persist it and update it as the work completes, and reset state when the work finishes or gets canceled. Basically, something like this: 1-6 I put together code to demonstrate this approach. Did I understand correctly, this should be all good with this simple counting demo? class ViewController: UIViewController { private let taskIdentifier = (Bundle.main.bundleIdentifier!).count_task private let countToNumber: Int64 = 100 private var currentBackgroundContinuedProcessingTask: BGContinuedProcessingTask? private var shouldStopCounting = false @IBOutlet var progressLabel: UILabel
Sep ’25
Reply to Understanding deep sleep
When will we configure Hibernate 25? Is it valid for M series MacBooks? Is Hibernate 25 called deep sleep mode? So, let me start by quoting the man page for pmset: hibernatemode = 3 by default on portables. The system will store a copy of memory to persistent storage (the disk), and will power memory during sleep. The system will wake from memory, unless a power loss forces it to restore from hibernate image. ... hibernatemode = 25 is only settable via pmset. The system will store a copy of memory to persistent storage (the disk), and will remove power to memory. The system will restore from disk image. If you want hibernation - slower sleeps, slower wakes, and better battery life, you should use this setting. The thing to understand here is that the difference between those two ISN'T about how either mode “prepares for sleep. Both of them do exactly the same thing— that is, they flush all memory to disk, ensuring that power loss won't lose any data. The difference is that having done that flush, Hibernate 25
Topic: Privacy & Security SubTopic: General Tags:
Sep ’25
Reply to macOS 26 Launch Constraints
The problem ended up being solved by calling: sfltool resetbtm in Terminal, followed of course by a restart on each affected machine. Interesting that it occurred across several machines all running macOS 13 and 14 right when we updated to Xcode 26. It does seem like the system will occasionally get upset with big changes to the app through the development cycle.
Topic: Code Signing SubTopic: General Tags:
Sep ’25
Reply to AudioSession Crash
Please check the crash files as attached. So, this is a great example of why I always ask for a crash log, as the problem here doesn't actually have anything to do with the audio system itself. The problem is that your app is stuck in an infinite loop. For future reference, the most direct proof of this is that the number of stack frames on the crashing thread is very high (860) and that the base of the stack ISN'T a valid entry point for a thread. For the main thread, this would be main, but other threads would be thread_start or a similar entry point in libpthread. Crash collection system artificially limits the number of frames it collects (otherwise you'd potentially have 1000s+ of lines of repeating frames), so you aren't actually getting the true bottom of the stack. 858 <...> closure #1 in DeviceManager.init() + 80 859 <...> partial apply for closure #1 in DeviceManager.init() + 24 (/:0) 860 <...> closure #1 in NSNotificationCenter.addObserver(forType:object:queue:using:) + 232 (GaiaN
Sep ’25
Reply to Small Size Icons and NSToolbar on MacOS 12.0 Monterey -- can it work?
I have also just seen the height is way too big issue on Tahoe 26.0. I had recreated all my icons as all-vector PDFs with a large size and the toolbar grew to a huge depth (I presume the same size as the icon's files). Changing the page size of the PDFs to 32 (expressed in pixels in Affinity Designer) calmed this down but the icons are scaled to different sizes (mostly too small) if the sizing is left as Automatic. I had just changed them all from explicit sizes of 24-32 pix and it was all perfect on Sequoia/15.6. I though explicit sizes were deprecated so I had changed them as derisking action for Tahoe :-( Has anyone found any up-to-date documentation on NSToolbar? The only docs I have are very old.
Topic: UI Frameworks SubTopic: AppKit Tags:
Sep ’25
Looking for advice on app architecture
I have an existing Mac app which has evolved through over twenty years of development. It is currently written in a mixture of C++ and Objective-C, with a bit of C and Swift in a few places. For a few years now, I have been tinkering with replacing the UI with SwiftUI. The model has been completely rewritten in Swift and works fine. After a few tries, no version has been working acceptably, so I'm thinking that I need to rethink the architecture. The UI consists of a window with a master-detail view. The detail view is what users spend most of their time with. It contains a lot of subviews, around 100 typically. Keyboard events affect the display, so I've had a dedicated data structure to hold the state that is needed for displaying all the subviews. Using Instruments, I see that the view seems to recreate the subviews three times per keyboard event, so I'm clearly doing something wrong. A second factor is that there are a couple of dozen commands that are applicable to the detail view, driven either by menu
Topic: UI Frameworks SubTopic: SwiftUI Tags:
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Sep ’25
Reply to Learn to write SwiftUI
This is the third time you’ve posted pretty much the same question [1]. Folks have tried to help you on your other threads, but I wanna take a step back and look at the big picture here. It’s unlikely that other folks on the forums have access to the specific book you’re working from. Given that, quoting an exercise from that book doesn’t help because other folks can’t look that up. You have a couple of choices: Switch to a different tutorial, one that’s publicly available. This is what Claud31 suggested here. Provide more context, so that folks can understand your question without having access to that specific tutorial. This is what darkpaw suggested here. I’m going to add a third option: Look for a support channel for your specific tutorial. For example, it’s not uncommon for book authors to set up a Discord channel to encourage conversation between folks who are using the book as a tutorial. Good luck! Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskim
Topic: UI Frameworks SubTopic: SwiftUI
Sep ’25
iOS26 CarPlay not optimized for Subaru 11.6 inch vertical in infotainment screen
The newest iOS 26 CarPlay upgrade seems more like a downgrade with vehicles from Subaru with the 11.6 inch vertical infotainment display. Such a big screen, but only one widget shows at a time additionally, prior to this iOS update we had three lines of apps on the main page now only two. also to be noted album art size on all music streaming and podcast apps is extremely small about half the size of what it originally was prior to this update yes, I tried turning on and off the screen optimization setting and CarPlay. It did not do anything.
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Sep ’25
Reply to Files app iOS 26
Sometimes I download a set of photos I want to scroll through. This solution isn't working for me for folder of photos. Do I have to select each photo to open in Preview? This is a big PITA -- while features I could care less about (editing the photos in Files) is all that available. Finally, if I want to delete files I've viewed, now I have to delete in 2 places. Please bring old functionality back.
Topic: Community SubTopic: Apple Developers Tags:
Sep ’25
Reply to Sidebar created on macOS 26 with NSSplitViewItem(sidebarWithViewController:) is cut off at the top in fullscreen mode
I forgot to mention that this behaviour only happens when using the .fullSizeContentView window style mask. Without it, the sidebar extends almost to the top of the screen in fullscreen mode. It's still cut off shortly before reaching the top, but at least there's not such a big gap. When moving the mouse to the top of the screen to show the menu bar, the top of the sidebar and content view are hidden, but that's what I would also expect with a full screen content view.
Topic: UI Frameworks SubTopic: AppKit Tags:
Sep ’25
How Does App Store Search Ranking Work for Utility Apps (Cleaner/Optimizer)?
Hi Everyone, I’ve recently launched a utility app focused on cleaning, optimizing, and improving device performance while protecting user privacy. It includes features like Junk cleaning, Duplicate/Large/Old file removal, App Uninstallation/Updater, Browser cleanup, and Startup Management tips. I’m trying to better understand how App Store search ranking works for this type of app so it can feature higher in search results. Specifically, I’d like to know: What factors influence whether an app shows up at the top for keywords like “storage cleaner”, “duplicate finder”, or “privacy cleaner”? How important are title, subtitle, and keyword fields compared to downloads, ratings, and reviews? Does keyword repetition in the description improve ranking, or does Apple ignore that? Are there any proven strategies for utility apps (like system optimizers/cleaners) to compete with big, established apps in search visibility? Does localization (multiple languages) significantly improve search exposure, even if the
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Sep ’25
Grammar checking is never requested
I have prepared a NSSpellServer spelling and grammar checker for Slovenian proofing in macOS. My proofing service gets used when I explicitly set keyboard spelling language to Slovenian (Besana) (my proofing service). However, no matter how I set the Check Grammar With Spelling option or Check Grammar checkbox in the TextEdit.app or Mail.app, my proofing service does not get any request for grammar checking. I am supporting checkString call for Unified checking and checkingTypes never contains NSTextCheckingTypeGrammar flag. When using legacy API before Unified checking support, the checkGrammarInString is never called either. If I do the grammar regardless the checkingTypes parameter, the app shows grammar mistakes correctly. But that is bad UX. Need to follow user demand for with grammar or without grammar. I don't know what am I doing wrong? On my home iMac v11 it actually works. No idea what I did there to make it work. Just worked. On my working Mac Mini v13 it won't check grammar. On another MacBook Pro
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Sep ’25
vision pro notifications too small for shareplay
A is there a way to get big huge notitifications for Shareplay invitations ? B can i have the notifications inside the app ? we have a corporate app to check archtecture projects we want to share these 3d spaces walking inside with near users in the same place to discuss about the project .. but it takes too long shareplay invitation is a small circle on top, if the others users just put the vision without configuring eyes and hands... it's gonna be impossible thanks for sharing and giving us support
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Sep ’25