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Live Q&A Summary - SwiftUI foundations: Build great apps with SwiftUI
Here’s a recap of the Live Q&A for SwiftUI foundations: Build great apps with SwiftUI. If you participated and asked questions, thank you for coming and participating! If you weren’t able to join us live we hope this recap is useful Where can I watch the VOD? Is the sample code “Wishlist” that was shown available for download? You can view the replay of the entire event here https://www.youtube.com/watch?v=Z3vloOtZLkQ The sample code for the Wishlist app will be made available in the coming weeks on the Apple Developer website, we'll send an update via email when it is available. What are the best practices when it comes to building complex navigations in SwiftUI? The developer website has documentation on navigation style best practices. Explore navigation basics like NavigationStack and TabView to get a ground-up understanding. For documentation on navigation APIs see Navigation. How can I integrate UIKit with my SwiftUI app? What about adding SwiftUI into my UIKit app? See UIKit integration: A
Topic: UI Frameworks SubTopic: SwiftUI
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Xcode Simulator error
Following is an error I encounter when trying to run a foundation model function in simulator. Error Domain=FoundationModels.LanguageModelSession.GenerationError Code=-1 (null) UserInfo={NSMultipleUnderlyingErrorsKey=( Error Domain=ModelManagerServices.ModelManagerError Code=1026 (null) UserInfo={NSMultipleUnderlyingErrorsKey=(n)} )} Its a swift playground I'm building in xcode and works fine in the preview and on a real device too but since it's my submission for the swift student challenge I need it to run on the simulator. I have updated my macOS to latest version of Tahoe(26.3) and Xcode is also on latest version. The simulator I run the playground is also on ios and iPadOS 26. I have set my region to US and have turned on Apple Intelligence on my mac too. Any suggestions on how to fix the issue?👾
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Dynamic Type Layout constraint Issue - "My card" label Clipping at 100% Text Size (IOS 26.3.1 or 26.3.2)
Hello, I would like to report a potential Dynamic Type rendering issue observed in Control Center. After increasing the system text size to 100%, the label “My Card” appears visually constrained and partially clipped instead of scaling proportionally according to Dynamic Type guidelines. Steps to reproduce: Open Settings Increase Text Size to 100% Open Control Center Observe the “My Card” label Expected behavior: The label should scale proportionally using preferred text styles and remain fully visible without truncation. Observed behavior: The label appears constrained, suggesting possible fixed height constraints or insufficient layout flexibility. Technical hypothesis: This may be caused by: Fixed height constraints on the text container Non-preferred font usage instead of dynamic text styles Missing adjustsFontForContentSizeCategory configuration Incomplete layout testing across content size categories Given Apple’s emphasis on accessibility and Dynamic Type compliance, I believe this may be wort
Topic: UI Frameworks SubTopic: UIKit
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Time-Sensitive Trip Offer UI (Lock Screen + Persistent Until Action) – iOS 14 Best Practice?
Hello, I am developing a driver-based application targeting iOS 14+, where users receive time-sensitive trip offers (approximately 10–15 seconds to respond). We would like to implement behavior similar to approval-based apps (e.g., MyGate-style interaction), with the following requirements: When the device is locked: A highly visible notification that allows quick Accept / Decline action. When the device is unlocked (foreground or background): A notification that remains prominently visible (sticky-style) at the top of the screen until the user takes action (Accept / Decline) or the offer expires. Our goal is to ensure the offer remains noticeable and actionable within the short response window. I would appreciate clarification on the following: On iOS 14, is there any supported mechanism to present a true full-screen blocking interface while the device is locked (without using CallKit or Critical Alerts entitlement)? Is there a supported way to make a notification persistent or non-dismissible until the user
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Reply to Local Network permission on macOS 15 macOS 26: multicast behaves inconsistently and regularly drops
I have one small correction here: [quote='875229022, DTS Engineer, /thread/809211?answerId=875229022#875229022'] The kernel can’t access the user context directly, so it has to ‘up call’ to a helper process running in the user context. [/quote] There are more layers to this onion that I originally thought, and a colleague informed me that it’s not the kernel doing the up call here but rather a daemon. This doesn’t really change my overall outline of the issue, but I wanted to post a correction because if you dig around in the system log you’ll notice this daemon in play. [quote='875908022, VictorPetitjean, /thread/809211?answerId=875908022#875908022, /profile/VictorPetitjean'] would you have an advice on how to make this issue happen less often? [/quote] Sadly no. [quote='875908022, VictorPetitjean, /thread/809211?answerId=875908022#875908022, /profile/VictorPetitjean'] By not opening the app too soon after startup [/quote] I experimented with this during my efforts to understand the reproducibility of the is
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Apple Pay Extensions Implementation guide Not found
Good morning, the link https://applepaydemo.apple.com/wallet-extensions returns a {detail:Not Found} when accessed. This is one of the links that are present in https://developer.apple.com/documentation/PassKit/implementing-wallet-extensions, could this be looked at please ? The exact place is: For more information on Wallet Extensions, see the Apple Pay Demo - Wallet Extensions documentation.
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Reply to Rosetta 2 Deadlock on M4 Pro
[quote='875945022, Gcenx, /thread/814383?answerId=875945022#875945022, /profile/Gcenx'] That would be FB15880492 [/quote] [quote='875994022, Gcenx, /thread/814383?answerId=875994022#875994022, /profile/Gcenx'] I was just informed that FB21763885 [/quote] Perfect. Thanks! I took a quick look as these and they definitely landed in the right place. Beyond that, there’s no much more info that I can share [1]. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com [1] As I explain in Quinn’s Top Ten DevForums Tips, Apple folks can’t talk about The Future™.
Topic: App & System Services SubTopic: Core OS Tags:
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Reply to NEFilterManager fails with NEFilterErrorDomain Code=1 (“Configuration invalid or read/write failed”) on iOS — is NEFilter supported on non-supervised devices?
It’s better to reply as a reply, rather than in the comments; see Quinn’s Top Ten DevForums Tips for this and other titbits. I’m not in a position to discuss the specifics of other folks apps. If you’re talking with that developer, I recommend that you ask them for details as to what this “Apple approval/permission” entailed. However, to the best of my knowledge there is no technical mechanism to bypass the content filter restrictions discussed in TN3134. Two things: It’s possible that they’re talking about the Screen Time case. The Family Controls capability is managed for distribution, that is, developers must be granted permission by Apple to distribute an app using Family Controls, and that could be constructed as “Apple approval/permission”. It’s also possible that they’re not using a content filter. I’ve seen folks implement content filtering using a packet tunnel provider. I consider this to be managerial abuse [1], and it’s not something that DTS supports. See TN3120 Expecte
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Reply to enforceRoutes impact on connection speed
[quote='815475021, krzsiwek, /thread/815475, /profile/krzsiwek'] Is this behavior known and expected? [/quote] Probably [1]. But it’s useful to have a specific benchmark to highlight this cost. I recommend that you file a bug describing the issue, how you’re testing the performance, and what results you got. Please post your bug number, just for the record. [quote='815475021, krzsiwek, /thread/815475, /profile/krzsiwek'] Is there anything we can do to mitigate [this] in our application? [/quote] Not that I can think of. There isn’t really much wiggle room here. Either the property is on or off and, assuming a specific flows hits your packet tunnel provider in both cases, it sees the same set of packets for that flow. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com [1] Historically the networking stack didn’t have fancy features like enforceRoutes, and there’s been decades of optimisation for that simple case.
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Reply to provision profile deleting from the file mac
OK, let’s break this down into two parts: Build time Run time Lemme tackle these in reverse. There’s no need to explicitly install a provisioning profile on your device for use at runtime. Rather, your build system should embed the provisioning profile within your app and the system will pick it up from there. That’s certainly how Xcode builds app. If you’re building your app with third-party tooling, it’s possible that they have different advice. In that case I recommend that you escalate this with the vendor for that tooling. DevForums is primarily focused on Apple APIs and tools, and we can’t offer definitive answers about third-party stuff. Oh, and this is true on all Apple platforms, including the Mac. When it comes to build time, my general advice is that you use Xcode and enable automatic code signing. That will take care of all of this for you. Specifically, Xcode will automatically manage all the stuff in ~/Library/Developer/Xcode/UserData/Provisioning Profiles. Note This is the cur
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Reply to URL Filter Network Extension
[quote='815498021, Pushpak-Ambadkar123, /thread/815498, /profile/Pushpak-Ambadkar123'] URL Filter Network … is only for Enterprise level or MDM or supervised device. [/quote] That’s not right. You are mixing up URL filters with content filters. URL filters have strong privacy fundamentals and thus have no deployment limitations. In contrast, content filters have significant deployment limitations. See TN3134 Network Extension provider deployment for all the details. [quote='815498021, Pushpak-Ambadkar123, /thread/815498, /profile/Pushpak-Ambadkar123'] When trying to run sample project in the simulator [/quote] The simulator uses the macOS networking stack, so you can’t test low-level networking facilities there. You’ll need to test this on a real device. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
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