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Visual Studio Maui IOS

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Call Directory Number Matching Inconsistency Across Regions
[Question] Inconsistent Call Directory number matching across regions (Japan, Taiwan, U.S.) We’re developing a Call Directory extension and observed inconsistent number matching depending on carrier region and number format. Environment Device: iPhone (iOS 26.0) Call Directory Extension: Custom implementation Carrier A: Japan carrier SIM Carrier B: Taiwan carrier SIM Numbers added to Call Directory patterns: +81 120 580 2XXX +81 704 336 2XXX Observed Behavior (Japan Carrier SIM) Incoming call from +81 120 580 2XXX → Caller name not displayed (Call Directory match failed). Entering 0120 580 2XXX in the Phone app dialer → Name displayed correctly. Incoming call from +81 704 336 2XXX → Caller name displayed correctly. Entering 070 4336 2XXX in the Phone app dialer → Name displayed correctly. Observed Behavior (Taiwan Carrier SIM) Entering +81 120 580 2XXX in the dialer → Name not displayed until the call button is pressed. Entering +81 704 336 2XXX in the dialer → Name displayed immediately, before the
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Reply to iOS 26 - S/MIME Encryption / Certificates
I have been talking to an individual on here, https://forums.macrumors.com/threads/s-mime-ios-26.2467497/?post=34185551#post-34185551 and they discovered that messing with the contact card allows the certificate to appear. I confirmed that even editing the contact to include a space in the notes, or pretty much any edit then works. Great find from this user!
Topic: Community SubTopic: Apple Developers Tags:
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Reply to Xcode 26 get an error, XXX's architectures (Intel 64-bit) include none that iPhone 17 can execute (arm64).
I find the reason of this problem, in Xcode 26, when you download the simulator, the default iOS 26 simulator's arch is arm64, so when you add the Excluded Architectures arm64, the build result get none of any arch. The solution is to download the universal simulator, first, you should delete the iOS 26 simulator, then run xcodebuild -downloadPlatform iOS -architectureVariant universal in terminal, then xcode can download the universal of iOS 26 simulator.
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Best practices for designing proactive FinTech insights with App Intents & Shortcuts?
Hello fellow developers, I'm the founder of a FinTech startup, Cent Capital (https://cent.capital), where we are building an AI-powered financial co-pilot. We're deeply exploring the Apple ecosystem to create a more proactive and ambient user experience. A core part of our vision is to use App Intents and the Shortcuts app to surface personalized financial insights without the user always needing to open our app. For example, suggesting a Shortcut like, What's my spending in the 'Dining Out' category this month? or having an App Intent proactively surface an insight like, Your 'Subscriptions' budget is almost full. My question for the community is about the architectural and user experience best practices for this. How are you thinking about the balance between providing rich, actionable insights via Intents without being overly intrusive or spammy to the user? What are the best practices for designing the data model that backs these App Intents for a complex domain like personal finance? Are there specific p
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Reply to iOS 26: FloatingBarContainerView overlapping the whole custom ViewController
Thank you for your post and for providing a detailed description of the issue. If I understand correctly, the UI was created using Storyboards? I always recommend starting with a simple, out-of-the-box UI in iOS 26 and then customizing it. Could you please provide a method to isolate the functionality of the FloatingBarContainerView into a single, focused, and simple project? So we can download and take a look? Do you get the same results with just the relevant code in a small test project? If so, please share a link to your test project. That'll help us better understand what's going on. If you're not familiar with preparing a test project, take a look at Creating a test project. Albert Pascual
  Worldwide Developer Relations.
Topic: UI Frameworks SubTopic: UIKit Tags:
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Reply to iOS26: Back button changes appearance when modal screen is shown
While the technique of using the appearance APIs might remain valid for customizing the navigation bar in iOS 18 and earlier, starting in iOS 26, we recommend you reduce your use of custom backgrounds in navigation elements and controls and let the system determine the navigation bar background appearance. Any custom backgrounds and appearances you use in the navigation bar might overlay or interfere with Liquid Glass or other effects that the system provides. To learn how to customize your app’s navigation bar in iOS 25, please review the sample code provided in the Customizing your app’s navigation bar documentation.
Topic: UI Frameworks SubTopic: UIKit Tags:
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iOS 26: FloatingBarContainerView overlapping the whole custom ViewController
Hi everyone: I'm experiencing an issue in iOS 26. I've implemented a custom ViewController. It's super simple to edit images with flip, crop, zoom in, and zoom out. My question is that it seems very strange to me. It works without problems in iOS 17.5 and iOS 18. However, when I try to run it with iOS 26, the entire ViewController seems disabled; it doesn't recognize touches or anything. When I checked the UI hierarchy, I saw a strange FloatingBarContainerView overlaying the entire ViewController. I searched the documentation for information about this view, but I couldn't find anything. Any help on how to hide or remove this view in iOS 26? This hasn't been implemented anywhere.
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Reply to CLLocation.sourceInformation.isSimulatedBySoftware not detecting third-party location spoofing tools
Hi Albert, Thank you for the clarification. I have a few follow-up questions: Developer Mode Detection: Is there an official API to detect if Developer Mode is enabled on iOS 16+? We've found that third-party location spoofing tools (like LocaChange) require Developer Mode to be enabled. For location-dependent apps that need to assess spoofing risk, detecting this state would be valuable. What's the recommended approach? External Location Providers: You mentioned third-party tools are external location providers. Does this mean they use a different mechanism than CLLocationManager? Is there any way to distinguish between genuine GPS and external providers programmatically? Security Best Practices: For apps requiring location authenticity (fraud prevention, geofencing, etc.), what is Apple's recommended approach to detect location spoofing via third-party tools? Are there any APIs, private frameworks, or best practices you can suggest? Feature Request: Would Apple consider adding APIs like: isDevelope
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Reply to iOS18,CoreText EXC_BREAKPOINT
Hello, We don't have specific points of the app code where it may be crashing, since it's random, we already seen code crashing at very different locations around the app. Currently, about 5% of our users base is having this crash, also another detail, we are seeing this around different versions of iOS, not specific to iOS 18 or 26. We suspected at first about the compiler of new Xcode 26 (since this was the first version compiled with new Xcode), but it seems it is not that. We have sent a new build out today, compiled with Xcode 16.4, but no luck, still crashes. I'm attaching 2 screenshots, from the crashing stacktrace, one from Sentry and the other one from Xcode crash reporter directly. Also, attached the .crash file with the full stacktrace that can be found at Xcode. 2025-10-01_14-37-42.7083_-0500-2937c5ddef763873e9e26e42e243231a23e27df5.crash
Topic: App & System Services SubTopic: General Tags:
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App Clips Causing CPSErrorDomain error 2 on Non App Clip URLs
Unexpected behavior encountered when scanning NFC tags. Imagine a link shortener web service where users can create lots of different URLs that are hosted on the same domain eg, https://short.com/unique-path The service has optional App Clip capability -- users can select any of their links and have the service create an App Clip for the selected link(s). Users can encode their URLs into NFC tags and have their customers scan NFC tags. Let's take just two URLs for example: https://short.com/foo https://short.com/bar The /foo link does have an App Clip associated with it while /bar does not have it. Each link has been encoded into appropriate NFC tag. Expected behavior when scanning from an iPhone: /foo -- shows an App Clip popup. /bar -- shows a Open in Safari default notification. What's actually happening /foo -- opens App Clip poput with correct metadata (title, subtitle, image) which is totally expected behavior. /bar (the one that doesn't have app clip associated with it) -- opens an App-Clip-like popup
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Best Practices for Using CKAssets in Public CloudKit Database for Social Features
Hello Apple Team, We are looking at developing an iOS feature on our current development that stores user-generated images as CKAssets in the public CloudKit database, with access control enforced by our app’s own logic (not CloudKit Sharing as that has a limit of 100 shares per device). Each story or post is a public record, and users only see content based on buddy relationships handled within the app. We’d like to confirm that this pattern is consistent with Apple’s best practices for social features. Specifically: Is it acceptable to store user-uploaded CKAssets in the public CloudKit database, as long as access visibility is enforced by the app? Are there any performance or quota limitations (e.g., storage, bandwidth, or user sync limits) that apply to CKAssets in the public database when used at scale? Would CloudKit Sharing be recommended instead, even if we don’t require user-to-user sharing invitations? For App Review, is this model (public CKAssets + app-enforced access control) compliant w
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