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“Visual Studio Maui IOS”

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iOS printing – Finishing (Punch) options not applied for images unless a preset is selected
When printing image/photo files via AirPrint, selected finishing options (e.g., Punch) are not applied unless a preset is chosen. reproduction steps: Select an image on iOS Tap Print → choose printer/server Set Finishing Options → Punch Print Observed: Finishing options not applied IPP trace shows no finisher attributes in the request working scenario: Select any Preset (e.g., Color) before printing Finishing options are then included in IPP and applied Note: Issue does not occur when printing PDFs from iOS; finisher attributes are sent correctly. Is this expected AirPrint behavior for image jobs, or could this be a bug in how iOS constructs the IPP request for photos?
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Reply to Can I download the iOS 26 simulator runtime via a download link
I am unable to download the specified version 26.2. In light of the issue discussed in this thread: https://developer.apple.com/forums/thread/818209, could this be related to the local Xcode version? yue22.chen@L7JF2KDP9J code % xcodebuild -downloadPlatform iOS -exportPath ~/Downloads -buildVersion 26.2 Finding content... iOS 26.2 is not available for download. yue22.chen@L7JF2KDP9J code % xcodebuild -downloadPlatform iOS -exportPath ~/Downloads -buildVersion 26.2.0 Finding content... iOS 26.2.0 is not available for download. yue22.chen@L7JF2KDP9J code % xcodebuild -downloadPlatform iOS -exportPath ~/Downloads -buildVersion iOS26.2 Finding content... iOS iOS26.2 is not available for download.
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not seeing In-App Purchase and Subscriptions
after doing all the steps as in The app version submission must be in the “Prepare for Submission” state There must be at least one IAP/subscription in the “Ready to Submit” state All banking & agreements must set up and in place I am still not seeing the In-App purchase and subscription in my iOS App Version page to add to my newest version slash build
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Showing All Messages curl: (35) Recv failure: Connection reset by peer
Showing All Messages [!] Error installing FBSDKLoginKit [!] /usr/bin/curl -f -L -o /Volumes/workspace/tmp/d20260316-6574-ros9od/file.zip https://github.com/facebook/facebook-ios-sdk/releases/download/v18.0.2/FacebookSDK_Dynamic.xcframework.zip --create-dirs --netrc-optional --retry 2 -A 'CocoaPods/1.16.2 cocoapods-downloader/2.1' % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:01 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:02 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:03 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:04 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:05 --:--:-- 0 curl: (35) Recv failure: Connection reset by peer Command exited with non-zero exit-code: 1 Running ci_post_clone.sh script failed (exited with code 1). Executable scripts are run using the interpreter specified in the shebang line.
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iOS 26+ UITabBar unselected item colors not updating with UITabBarAppearance
I'm using UITabBarAppearance to customize my TabBar in a SwiftUI app. The customization works perfectly on iOS 18 and earlier, but after updating to iOS 26, the unselected tab items no longer respect my color settings - they just appear black (they are on a white background).Here's my simplified setup: struct ContentView: View { var body: some View { TabView { Text(Home) .tabItem { Image(systemName: house) Text(Home) } .tag(0) Text(Settings) .tabItem { Image(systemName: gear) Text(Settings) } .tag(1) } .onAppear { setupTabBarAppearance() } } private func setupTabBarAppearance() { let appearance = UITabBarAppearance() appearance.configureWithOpaqueBackground() let itemAppearance = UITabBarItemAppearance() // These settings work for selected items itemAppearance.selected.iconColor = .systemBlue itemAppearance.selected.titleTextAttributes = [ .font: UIFont.systemFont(ofSize: 10), .foregroundColor: UIColor.systemBlue ] // These settings STOPPED working on iOS 26 for unselected items ite
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MultiDatePicker bug in iOS26
Hi! I've encountered strange bug in iOS 26. The MultiDatePicker component exhibits unreliable behavior when attempting to deselect previously chosen dates. Users often need to tap a selected date multiple times (e.g., tap to deselect, tap to re-select, then tap again to deselect) for the UI to correctly register the deselection and update the displayed state. This issue does not occur on iOS 18 or Xcode 26 previews, where MultiDatePicker functions as expected, allowing single-tap deselection. The bug only occurs on physical device or simulator. I can't lie, I have multidatepicker as crucial component in my larger app and can't really find a solution to this. Has anyone encountered this problem before? Here is the code to replicate the issue: import SwiftUI struct ContentView: View { @ State private var selectedDates: Set = [] var body: some View { NavigationStack { Form { Section { MultiDatePicker(Select Dates, selection: $selectedDates) } header: { Text(MultiDatePicker Bug Test) } Section {
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Reply to In App Purchase Products
Thanks for your post and your question. If it were possible to restrict a user from downgrading an app, how would that impact the user experience at the App Store level? How would this be perceived by users? App Store policies and the iOS system design mandate that users have ultimate control over their subscriptions. If you are selling storage, you will likely be utilizing Auto-Renewable Subscriptions. Even if you hide the downgrade option inside your app's UI, the user can always go to their iPhone's Settings > Apple ID > Subscriptions and select a lower-tier plan. Because you cannot prevent the downgrade, I would recommend you to handle the scenario gracefully within your app's logic. I would recommend you to look at all the technical resources available to you to make sure the downgrade is possible including if you must create a new storage and move the existing data. However, your backend and app logic must still be prepared for the user to bypass your UI and downgrade via their Apple ID s
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Sign in With Apple Unknown error 1000
PLATFORM AND VERSION iOS Development environment: Xcode 26.2, macOS x Run-time configuration: iOS The issue does not seem to be limited to a specific version. DESCRIPTION OF PROBLEM We are reaching out to request in-depth technical assistance regarding an intermittent issue with Sign in with Apple implementation in our application. [Technical Status] We have confirmed that our technical implementation is correct. All necessary code and Xcode Capabilities are properly configured, and the service is working perfectly for the vast majority of our users. However, a small subset of users is consistently encountering Unknown Error (Error Code 1000), which prevents them from logging in entirely. [Identified Scenario] Currently, the only reproducible case we have found involves Child Accounts (protected accounts) under Family Sharing, specifically when the user's age is set below the regional requirement for a standalone Apple ID. However, we are receiving reports from other users who do not seem to
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How to upload large videos with PHAssetResourceUploadJobChangeRequest?
I'm implementing a PHBackgroundResourceUploadExtension to back up photos and videos from the user's library to our cloud storage service. Our existing upload infrastructure uses chunked uploads for large files (splitting videos into smaller byte ranges and uploading each chunk separately). This approach: Allows resumable uploads if interrupted Stays within server-side request size limits Provides granular progress tracking Looking at the PHAssetResourceUploadJobChangeRequest.createJob(destination:resource:) API, I don't see a way to specify byte ranges or create multiple jobs for chunks of the same resource. Questions: Does the system handle large files (1GB+) automatically under the hood, or is there a recommended maximum file size for a single upload job? Is there a supported pattern for chunked/resumable uploads, or should the destination URL endpoint handle the entire file in one request? If our server requires chunked uploads (e.g., BITS protocol with CreateSession → Fragment → CloseSession), is this ext
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Reply to Direction data not available with U2 chip (iPhone 15 Pro and iPhone 16 Pro) when using Murata SR040/SR150 accessory
Having a similar problem, although I'm not sure if it's related to iOS26 or phones with the U2 chip. I am doing peer to peer rather then peer to object, but figured I'd share my findings. iPhone 16 Pro (U2 chip), iOS 26.3.1: NISession created — capabilities: token: true supportsDirection: false supportsCameraAssistance: true supportsExtendedDistanceMeasurement: true supportsPreciseDistanceMeasurement: true iPhone 12 (U1 chip), iOS 18.6.2: NISession created — capabilities: token: true supportsDirection: true supportsCameraAssistance: true supportsExtendedDistanceMeasurement: false supportsPreciseDistanceMeasurement: true What I've found so far: 16 Pro / U2 / iOS 26 (?) 3D direction vector is never available Camera seems to be required for directional convergence Everything seems to be determined by hAngle Seems to start an NI session with dirSrc as 'none' and then resolves to 'hAngle' after camera convergence is complete 12 / U1 / iOS 18 Seems to start an NI session with 'hA
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Direction data not available with U2 chip (iPhone 15 Pro and iPhone 16 Pro) when using Murata SR040/SR150 accessory
Hello, I am developing with the Nearby Interaction framework using third-party UWB accessories (Murata SR040/SR150). I observed a difference between U1-based and U2-based iPhones: iPhone 12 Pro (U1 chip) NINearbyObject.direction returns valid 3D vector (x, y, z). Distance and direction both work as expected. iPhone 15 Pro and iPhone 16 Pro (U2 chip) NINearbyObject.direction is always nil. Only distance is returned (around 0.35–0.40 m in my test). Effectively behaves as distance-only mode. Environment: Hardware: iPhone 12 Pro, iPhone 15 Pro iOS version: 18.5 Accessory: Murata UWB SR040 / SR150 App: Using NINearbyAccessoryConfiguration with BLE-based discovery Info.plist includes NSNearbyInteractionUsageDescription Camera assistance was tested both ON and OFF Expectation: I expected the U2 chip to behave consistently with U1, i.e. provide direction vectors when possible. Instead, on iPhone 15 Pro, direction is always unavailable (nil) while distance is returned correctly. Questions: Is this an intentio
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Reply to Nearby Interaction property supportsDirectionMeasurement returns false and NINearbyObject direction property is nil
Having the same problem, although I'm not sure if it's related to iOS26 or phones with the U2 chip. Worth noting that I am doing peer to peer rather then peer to object, but figured I'd share my findings. iPhone 16 Pro (U2 chip), iOS 26.3.1: NISession created — capabilities: token: true supportsDirection: false supportsCameraAssistance: true supportsExtendedDistanceMeasurement: true supportsPreciseDistanceMeasurement: true iPhone 12 (U1 chip), iOS 18.6.2: NISession created — capabilities: token: true supportsDirection: true supportsCameraAssistance: true supportsExtendedDistanceMeasurement: false supportsPreciseDistanceMeasurement: true What I've found so far, at least the case of the 16 Pro / U2 / iOS 26 (?): 3D direction vector is never available Camera seems to be required for directional convergence Everything seems to be determined by hAngle Placing both a 16 Pro and a 12 face down on a table with rear cameras covered: 12 continues to show position with a dirSrc of '3D'; 16 Pro
Topic: App & System Services SubTopic: General Tags:
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iOS printing – Finishing (Punch) options not applied for images unless a preset is selected
When printing image/photo files via AirPrint, selected finishing options (e.g., Punch) are not applied unless a preset is chosen. reproduction steps: Select an image on iOS Tap Print → choose printer/server Set Finishing Options → Punch Print Observed: Finishing options not applied IPP trace shows no finisher attributes in the request working scenario: Select any Preset (e.g., Color) before printing Finishing options are then included in IPP and applied Note: Issue does not occur when printing PDFs from iOS; finisher attributes are sent correctly. Is this expected AirPrint behavior for image jobs, or could this be a bug in how iOS constructs the IPP request for photos?
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3
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186
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2w
Can I download the iOS 26 simulator runtime via a download link
Can I download the iOS 26 simulator runtime via a download link? The machine I need to deploy on may require an offline package installation due to firewall restrictions.
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2
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151
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2w
Reply to Can I download the iOS 26 simulator runtime via a download link
I am unable to download the specified version 26.2. In light of the issue discussed in this thread: https://developer.apple.com/forums/thread/818209, could this be related to the local Xcode version? yue22.chen@L7JF2KDP9J code % xcodebuild -downloadPlatform iOS -exportPath ~/Downloads -buildVersion 26.2 Finding content... iOS 26.2 is not available for download. yue22.chen@L7JF2KDP9J code % xcodebuild -downloadPlatform iOS -exportPath ~/Downloads -buildVersion 26.2.0 Finding content... iOS 26.2.0 is not available for download. yue22.chen@L7JF2KDP9J code % xcodebuild -downloadPlatform iOS -exportPath ~/Downloads -buildVersion iOS26.2 Finding content... iOS iOS26.2 is not available for download.
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not seeing In-App Purchase and Subscriptions
after doing all the steps as in The app version submission must be in the “Prepare for Submission” state There must be at least one IAP/subscription in the “Ready to Submit” state All banking & agreements must set up and in place I am still not seeing the In-App purchase and subscription in my iOS App Version page to add to my newest version slash build
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64
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2w
Showing All Messages curl: (35) Recv failure: Connection reset by peer
Showing All Messages [!] Error installing FBSDKLoginKit [!] /usr/bin/curl -f -L -o /Volumes/workspace/tmp/d20260316-6574-ros9od/file.zip https://github.com/facebook/facebook-ios-sdk/releases/download/v18.0.2/FacebookSDK_Dynamic.xcframework.zip --create-dirs --netrc-optional --retry 2 -A 'CocoaPods/1.16.2 cocoapods-downloader/2.1' % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:01 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:02 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:03 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:04 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:05 --:--:-- 0 curl: (35) Recv failure: Connection reset by peer Command exited with non-zero exit-code: 1 Running ci_post_clone.sh script failed (exited with code 1). Executable scripts are run using the interpreter specified in the shebang line.
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1
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87
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Reply to iOS 26+ UITabBar unselected item colors not updating with UITabBarAppearance
As of iOS 26, customization of unselected tab items is no longer supported, instead you can apply a tint color for selected item.
Topic: UI Frameworks SubTopic: SwiftUI Tags:
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iOS 26+ UITabBar unselected item colors not updating with UITabBarAppearance
I'm using UITabBarAppearance to customize my TabBar in a SwiftUI app. The customization works perfectly on iOS 18 and earlier, but after updating to iOS 26, the unselected tab items no longer respect my color settings - they just appear black (they are on a white background).Here's my simplified setup: struct ContentView: View { var body: some View { TabView { Text(Home) .tabItem { Image(systemName: house) Text(Home) } .tag(0) Text(Settings) .tabItem { Image(systemName: gear) Text(Settings) } .tag(1) } .onAppear { setupTabBarAppearance() } } private func setupTabBarAppearance() { let appearance = UITabBarAppearance() appearance.configureWithOpaqueBackground() let itemAppearance = UITabBarItemAppearance() // These settings work for selected items itemAppearance.selected.iconColor = .systemBlue itemAppearance.selected.titleTextAttributes = [ .font: UIFont.systemFont(ofSize: 10), .foregroundColor: UIColor.systemBlue ] // These settings STOPPED working on iOS 26 for unselected items ite
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1
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144
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MultiDatePicker bug in iOS26
Hi! I've encountered strange bug in iOS 26. The MultiDatePicker component exhibits unreliable behavior when attempting to deselect previously chosen dates. Users often need to tap a selected date multiple times (e.g., tap to deselect, tap to re-select, then tap again to deselect) for the UI to correctly register the deselection and update the displayed state. This issue does not occur on iOS 18 or Xcode 26 previews, where MultiDatePicker functions as expected, allowing single-tap deselection. The bug only occurs on physical device or simulator. I can't lie, I have multidatepicker as crucial component in my larger app and can't really find a solution to this. Has anyone encountered this problem before? Here is the code to replicate the issue: import SwiftUI struct ContentView: View { @ State private var selectedDates: Set = [] var body: some View { NavigationStack { Form { Section { MultiDatePicker(Select Dates, selection: $selectedDates) } header: { Text(MultiDatePicker Bug Test) } Section {
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2
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297
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2w
Reply to In App Purchase Products
Thanks for your post and your question. If it were possible to restrict a user from downgrading an app, how would that impact the user experience at the App Store level? How would this be perceived by users? App Store policies and the iOS system design mandate that users have ultimate control over their subscriptions. If you are selling storage, you will likely be utilizing Auto-Renewable Subscriptions. Even if you hide the downgrade option inside your app's UI, the user can always go to their iPhone's Settings > Apple ID > Subscriptions and select a lower-tier plan. Because you cannot prevent the downgrade, I would recommend you to handle the scenario gracefully within your app's logic. I would recommend you to look at all the technical resources available to you to make sure the downgrade is possible including if you must create a new storage and move the existing data. However, your backend and app logic must still be prepared for the user to bypass your UI and downgrade via their Apple ID s
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Sign in With Apple Unknown error 1000
PLATFORM AND VERSION iOS Development environment: Xcode 26.2, macOS x Run-time configuration: iOS The issue does not seem to be limited to a specific version. DESCRIPTION OF PROBLEM We are reaching out to request in-depth technical assistance regarding an intermittent issue with Sign in with Apple implementation in our application. [Technical Status] We have confirmed that our technical implementation is correct. All necessary code and Xcode Capabilities are properly configured, and the service is working perfectly for the vast majority of our users. However, a small subset of users is consistently encountering Unknown Error (Error Code 1000), which prevents them from logging in entirely. [Identified Scenario] Currently, the only reproducible case we have found involves Child Accounts (protected accounts) under Family Sharing, specifically when the user's age is set below the regional requirement for a standalone Apple ID. However, we are receiving reports from other users who do not seem to
Replies
1
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0
Views
185
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2w
How to upload large videos with PHAssetResourceUploadJobChangeRequest?
I'm implementing a PHBackgroundResourceUploadExtension to back up photos and videos from the user's library to our cloud storage service. Our existing upload infrastructure uses chunked uploads for large files (splitting videos into smaller byte ranges and uploading each chunk separately). This approach: Allows resumable uploads if interrupted Stays within server-side request size limits Provides granular progress tracking Looking at the PHAssetResourceUploadJobChangeRequest.createJob(destination:resource:) API, I don't see a way to specify byte ranges or create multiple jobs for chunks of the same resource. Questions: Does the system handle large files (1GB+) automatically under the hood, or is there a recommended maximum file size for a single upload job? Is there a supported pattern for chunked/resumable uploads, or should the destination URL endpoint handle the entire file in one request? If our server requires chunked uploads (e.g., BITS protocol with CreateSession → Fragment → CloseSession), is this ext
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4
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535
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2w
Reply to Direction data not available with U2 chip (iPhone 15 Pro and iPhone 16 Pro) when using Murata SR040/SR150 accessory
Having a similar problem, although I'm not sure if it's related to iOS26 or phones with the U2 chip. I am doing peer to peer rather then peer to object, but figured I'd share my findings. iPhone 16 Pro (U2 chip), iOS 26.3.1: NISession created — capabilities: token: true supportsDirection: false supportsCameraAssistance: true supportsExtendedDistanceMeasurement: true supportsPreciseDistanceMeasurement: true iPhone 12 (U1 chip), iOS 18.6.2: NISession created — capabilities: token: true supportsDirection: true supportsCameraAssistance: true supportsExtendedDistanceMeasurement: false supportsPreciseDistanceMeasurement: true What I've found so far: 16 Pro / U2 / iOS 26 (?) 3D direction vector is never available Camera seems to be required for directional convergence Everything seems to be determined by hAngle Seems to start an NI session with dirSrc as 'none' and then resolves to 'hAngle' after camera convergence is complete 12 / U1 / iOS 18 Seems to start an NI session with 'hA
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2w
Direction data not available with U2 chip (iPhone 15 Pro and iPhone 16 Pro) when using Murata SR040/SR150 accessory
Hello, I am developing with the Nearby Interaction framework using third-party UWB accessories (Murata SR040/SR150). I observed a difference between U1-based and U2-based iPhones: iPhone 12 Pro (U1 chip) NINearbyObject.direction returns valid 3D vector (x, y, z). Distance and direction both work as expected. iPhone 15 Pro and iPhone 16 Pro (U2 chip) NINearbyObject.direction is always nil. Only distance is returned (around 0.35–0.40 m in my test). Effectively behaves as distance-only mode. Environment: Hardware: iPhone 12 Pro, iPhone 15 Pro iOS version: 18.5 Accessory: Murata UWB SR040 / SR150 App: Using NINearbyAccessoryConfiguration with BLE-based discovery Info.plist includes NSNearbyInteractionUsageDescription Camera assistance was tested both ON and OFF Expectation: I expected the U2 chip to behave consistently with U1, i.e. provide direction vectors when possible. Instead, on iPhone 15 Pro, direction is always unavailable (nil) while distance is returned correctly. Questions: Is this an intentio
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4
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425
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2w
Reply to Nearby Interaction property supportsDirectionMeasurement returns false and NINearbyObject direction property is nil
Having the same problem, although I'm not sure if it's related to iOS26 or phones with the U2 chip. Worth noting that I am doing peer to peer rather then peer to object, but figured I'd share my findings. iPhone 16 Pro (U2 chip), iOS 26.3.1: NISession created — capabilities: token: true supportsDirection: false supportsCameraAssistance: true supportsExtendedDistanceMeasurement: true supportsPreciseDistanceMeasurement: true iPhone 12 (U1 chip), iOS 18.6.2: NISession created — capabilities: token: true supportsDirection: true supportsCameraAssistance: true supportsExtendedDistanceMeasurement: false supportsPreciseDistanceMeasurement: true What I've found so far, at least the case of the 16 Pro / U2 / iOS 26 (?): 3D direction vector is never available Camera seems to be required for directional convergence Everything seems to be determined by hAngle Placing both a 16 Pro and a 12 face down on a table with rear cameras covered: 12 continues to show position with a dirSrc of '3D'; 16 Pro
Topic: App & System Services SubTopic: General Tags:
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Nearby Interaction property supportsDirectionMeasurement returns false and NINearbyObject direction property is nil
I am trying on iOS 16.1.1 the Nearby Interaction framework. I am testing it on two iPhones 14 Pro Max. The supportsDirectionMeasurement property returns false (!) and the direction property on the NINearbyObjects is nil. Has someone experienced the same issue?
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