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“Visual Studio Maui IOS”

109,120 results found

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Reply to Availability for BLE background scanning on watchOS whilst dimmed
Bluetooth scanning in the background on watchOS is not only throttled, but works in a whole different manner than on iOS, and has its own additional limitations. You might want to take a look at the sample Interacting with Bluetooth peripherals during background app refresh and also refer to the WWDC Session Get timely alerts from Bluetooth devices on watchOS to understand who BLE background scanning works on watchOS.
Topic: App & System Services SubTopic: Core OS Tags:
16h
iOS 26 - S/MIME Encryption / Certificates
Hi everyone. Since the update to iOS 26, we are no longer able to tap the person's name and view the certificate of a signed email and choose to install the certificate or remove it. This has always worked just fine but seems to be broken on iOS 26 and I have verified that it does not work on iOS 26.1 beta as well. The part that is strange is it does work just fine on an iPad running iPad OS 26. This makes it impossible to send encrypted emails to someone via the mail app on an iPhone. I have found a temporary workaround which is to install Outlook for iOS and install the certificates through that app which then allows me to send encrypted emails via Outlook. This appears to be a bug just with the iPhone as I have also seen a few other people online talking about the same problem. Has anyone found a solution to this?
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828
17h
Reply to iOS 12.5.8 fails to bootstrap app
The same for Organic Maps: internal CI TestFlight build on March 25 works on iOS 12 device, the same binary with a few string resource changes, built on March 26 does not work. Built with the frozen version of Xcode 26.2. That implies some kind of Apple involvement when builds are uploaded.
Topic: App & System Services SubTopic: General Tags:
17h
Reply to App crashes on launch for iOS 12 users after App Store release (Xcode 16.4) — BKSProcessErrorDomain bootstrap-failed
Thanks for the clarification. However, this is quite concerning from a developer and user-impact perspective. This app version was: • successfully built and uploaded with Xcode 16.4 • accepted in App Review • distributed through the App Store Despite having a deployment target of iOS 12, the build is now crashing on launch for all iOS 12 users, without any prior warning during submission or review. As a result, a previously working user base on iOS 12 has effectively lost access to the app overnight after updating, which is a significant regression in functionality. If iOS 15 is now a strict requirement for App Store distribution, it would be much safer for developers if: • the upload was rejected at submission time, or • a clear warning was shown before release rather than allowing distribution of a build that cannot run on supported devices declared in the app’s deployment target. Is there any recommended way to: Restore functionality for existing iOS 12 users (e
17h
App targeting iOS 12 crashes on launch when installed via TestFlight but works via Ad Hoc and Xcode direct install
My app targets iOS 12.0 and crashes immediately on launch when installed via TestFlight on an iPad running iOS 12.x. The same archive works perfectly when installed via Ad Hoc distribution or directly from Xcode. This is a regression — the exact same source code, compiled with the same Xcode version, was successfully distributed via TestFlight and the App Store last month (March 2026) without issues. No changes were made to the code, Xcode version, or signing configuration. Steps to reproduce: Archive an app with IPHONEOS_DEPLOYMENT_TARGET = 12.0 using Xcode 16.4 Upload to App Store Connect Install via TestFlight on an iPad running iOS 12.x App crashes immediately on launch (pre-main, no crash log generated) Expected: App launches normally (as it did last month) Actual: App is killed immediately, process exits with reason: (none) Console.app shows the process never transitions from xpcproxy to the actual binary — it dies within ~260ms of bootstrap, indicating a dyld or app thinning
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18h
Reply to The iOS CallKit end my call without user action.
We have a VoIP app with more call features. Sometimes, we received some feedback about call ended. After checking the log file, it shows there are user actions (e.g., from func provider(_ provider: CXProvider, perform action: CXEndCallAction)), If you want to look into this in depth, then the best approach is to get the user to capture a sysdiagnose and use the console log to see if you can determine what's going on. A few notes on that: The log doesn't need to be captured immediately after the issue. Even logs captured a few hours later are often quite useful. It IS critical that the device NOT have been rebooted since the problem occurred. If it has been rebooted, so much log context is lost that the log is generally useless. You can find instructions for triggering and collecting a sysdiagnose here. Having said that, one comment on this: But the user said no user actions. So we doubt if there is a system-level event or error that will end this call. Then the details of the end call reason would be very hel
Topic: App & System Services SubTopic: General Tags:
19h
UIApplication.canOpenURL not working without Safari
If I delete Safari and only have another browser installed on my device, UIApplication.shared.open does not work. I think this is a bug. Why would it not work? If Safari is not the main browser, UIApplication would open the URL in my main browser. Those are valid use cases. I would expect this API to work with any browser... iOS 26.2 iPhone 14 Pro guard let url = URL(string: https://www.apple.com) else { return } if UIApplication.shared.canOpenURL(url) { UIApplication.shared.open(url) } else { print(Could not open URL) }
Topic: UI Frameworks SubTopic: UIKit
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19h
Wallet no longer appear near iBeacon
Hello, We are testing Wallet passes with iBeacons in iOS 26 Beta. In earlier iOS releases, when a device was in proximity to a registered beacon, the corresponding pass would surface automatically. In iOS 26 Beta, this behavior no longer occurs, even if the pass is already present in Wallet. I have not found documentation of this change in the iOS 26 release notes. Could you please confirm whether this is expected in iOS 26, or if it may be a Beta-specific issue? Any pointers to updated documentation would be appreciated. Thank you.
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17h
Reply to ‌Xcode26-built apps cannot run on iPhone 6 or earlier devices‌
The same situation with our app, crashes on iOS 12 on startup if the app was built and processed by TestFlight after March 25. More than 400 active users of iOS 12 won't get the update if the issue is not resolved :(
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16h
Reply to Availability for BLE background scanning on watchOS whilst dimmed
Bluetooth scanning in the background on watchOS is not only throttled, but works in a whole different manner than on iOS, and has its own additional limitations. You might want to take a look at the sample Interacting with Bluetooth peripherals during background app refresh and also refer to the WWDC Session Get timely alerts from Bluetooth devices on watchOS to understand who BLE background scanning works on watchOS.
Topic: App & System Services SubTopic: Core OS Tags:
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Views
Activity
16h
iOS 26 - S/MIME Encryption / Certificates
Hi everyone. Since the update to iOS 26, we are no longer able to tap the person's name and view the certificate of a signed email and choose to install the certificate or remove it. This has always worked just fine but seems to be broken on iOS 26 and I have verified that it does not work on iOS 26.1 beta as well. The part that is strange is it does work just fine on an iPad running iPad OS 26. This makes it impossible to send encrypted emails to someone via the mail app on an iPhone. I have found a temporary workaround which is to install Outlook for iOS and install the certificates through that app which then allows me to send encrypted emails via Outlook. This appears to be a bug just with the iPhone as I have also seen a few other people online talking about the same problem. Has anyone found a solution to this?
Replies
3
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0
Views
828
Activity
17h
Reply to iOS 12.5.8 fails to bootstrap app
The same for Organic Maps: internal CI TestFlight build on March 25 works on iOS 12 device, the same binary with a few string resource changes, built on March 26 does not work. Built with the frozen version of Xcode 26.2. That implies some kind of Apple involvement when builds are uploaded.
Topic: App & System Services SubTopic: General Tags:
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Views
Activity
17h
Reply to App crashes on launch for iOS 12 users after App Store release (Xcode 16.4) — BKSProcessErrorDomain bootstrap-failed
Thanks for the clarification. However, this is quite concerning from a developer and user-impact perspective. This app version was: • successfully built and uploaded with Xcode 16.4 • accepted in App Review • distributed through the App Store Despite having a deployment target of iOS 12, the build is now crashing on launch for all iOS 12 users, without any prior warning during submission or review. As a result, a previously working user base on iOS 12 has effectively lost access to the app overnight after updating, which is a significant regression in functionality. If iOS 15 is now a strict requirement for App Store distribution, it would be much safer for developers if: • the upload was rejected at submission time, or • a clear warning was shown before release rather than allowing distribution of a build that cannot run on supported devices declared in the app’s deployment target. Is there any recommended way to: Restore functionality for existing iOS 12 users (e
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17h
Reply to Swipe to go back still broken with Zoom navigation transition.
still hasn't even been fixed in iOS 26.4 which is absolutely insane to me. Only workaround I've implemented was to force the source grid to rebuild after the detail view actually disappears and it fixes the swipe to dismiss getting stuck behavior but then causes the source to flash once it's settled.
Topic: UI Frameworks SubTopic: SwiftUI Tags:
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17h
Reply to App crashes on launch for iOS 12 users after App Store release (Xcode 16.4) — BKSProcessErrorDomain bootstrap-failed
Distribution through the App Store requires a minimum deployment target of iOS 15. For future reference, you can find this information listed on the Xcode Support webpage.
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18h
Reply to App targeting iOS 12 crashes on launch when installed via TestFlight but works via Ad Hoc and Xcode direct install
Distribution through the App Store requires a minimum deployment target of iOS 15. For future reference, you can find this information listed on the Xcode Support webpage.
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18h
App targeting iOS 12 crashes on launch when installed via TestFlight but works via Ad Hoc and Xcode direct install
My app targets iOS 12.0 and crashes immediately on launch when installed via TestFlight on an iPad running iOS 12.x. The same archive works perfectly when installed via Ad Hoc distribution or directly from Xcode. This is a regression — the exact same source code, compiled with the same Xcode version, was successfully distributed via TestFlight and the App Store last month (March 2026) without issues. No changes were made to the code, Xcode version, or signing configuration. Steps to reproduce: Archive an app with IPHONEOS_DEPLOYMENT_TARGET = 12.0 using Xcode 16.4 Upload to App Store Connect Install via TestFlight on an iPad running iOS 12.x App crashes immediately on launch (pre-main, no crash log generated) Expected: App launches normally (as it did last month) Actual: App is killed immediately, process exits with reason: (none) Console.app shows the process never transitions from xpcproxy to the actual binary — it dies within ~260ms of bootstrap, indicating a dyld or app thinning
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1
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0
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18
Activity
18h
Window size of iOS app running on Mac
I need constraint the window size for an iOS app running on Mac. That's easy for a MacApp, using self.window?.minSize.width = 450 self.window?.maxSize.width = 450 or use func windowDidResize(_ notification: Notification) { } but how to achieve it in UIKit ?
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3
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0
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142
Activity
18h
The iOS CallKit end my call without user action.
By analysis the log, seems the following 3 calls has been ended by system callkit (Not mainly trigger the end call): @apple Do you have similar report that the iOS CallKit End the call withtour user action? Device info: iPhone18,1(iPhone 16 Pro) iOS 26.2 RCAppMobile/25.4.30.995 CTRadioAccessTechnologyNR(5G NR)
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7
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0
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193
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19h
Reply to The iOS CallKit end my call without user action.
We have a VoIP app with more call features. Sometimes, we received some feedback about call ended. After checking the log file, it shows there are user actions (e.g., from func provider(_ provider: CXProvider, perform action: CXEndCallAction)), If you want to look into this in depth, then the best approach is to get the user to capture a sysdiagnose and use the console log to see if you can determine what's going on. A few notes on that: The log doesn't need to be captured immediately after the issue. Even logs captured a few hours later are often quite useful. It IS critical that the device NOT have been rebooted since the problem occurred. If it has been rebooted, so much log context is lost that the log is generally useless. You can find instructions for triggering and collecting a sysdiagnose here. Having said that, one comment on this: But the user said no user actions. So we doubt if there is a system-level event or error that will end this call. Then the details of the end call reason would be very hel
Topic: App & System Services SubTopic: General Tags:
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Activity
19h
UIApplication.canOpenURL not working without Safari
If I delete Safari and only have another browser installed on my device, UIApplication.shared.open does not work. I think this is a bug. Why would it not work? If Safari is not the main browser, UIApplication would open the URL in my main browser. Those are valid use cases. I would expect this API to work with any browser... iOS 26.2 iPhone 14 Pro guard let url = URL(string: https://www.apple.com) else { return } if UIApplication.shared.canOpenURL(url) { UIApplication.shared.open(url) } else { print(Could not open URL) }
Topic: UI Frameworks SubTopic: UIKit
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14
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0
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405
Activity
19h
Wallet no longer appear near iBeacon
Hello, We are testing Wallet passes with iBeacons in iOS 26 Beta. In earlier iOS releases, when a device was in proximity to a registered beacon, the corresponding pass would surface automatically. In iOS 26 Beta, this behavior no longer occurs, even if the pass is already present in Wallet. I have not found documentation of this change in the iOS 26 release notes. Could you please confirm whether this is expected in iOS 26, or if it may be a Beta-specific issue? Any pointers to updated documentation would be appreciated. Thank you.
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5
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0
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329
Activity
17h
Reply to iOS 12.5.8 fails to bootstrap app
I'm seeing exactly the same crash, same source code, same Xcode version two weeks ago did not have the issue. I've pushed a new build 2 days ago and users with iOS 12 are getting a crash on launch.
Topic: App & System Services SubTopic: General Tags:
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21h