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“A Summary of the WWDC25 Group Lab”

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Reply to ubc_msync have a bug
(lldb) image lookup -a 0xffffff801a5ac283 Address: kernel[0xffffff80003ac283] (kernel.TEXT.text + 344707) Summary: kernelpanic + 99 at debug.c (lldb) image lookup -a 0xffffff801a6d91ea Address: kernel[0xffffff80004d91ea] (kernel.TEXT.text + 1577450) Summary: kernelpanic64 + 218 at trapnative.c:152 (lldb) image lookup -a 0xffffff801a55a51f Address: kernel[0xffffff800035a51f] (kernel.TEXT.text + 9503) Summary: kernelhndl_double_fault + 15 (lldb) image lookup -a 0xffffff801a6cd95f Address: kernel[0xffffff80004cd95f] (kernel.TEXT.text + 1530207) Summary: kernelusimplelock + 47 at machineroutines.c (lldb) image lookup -a 0xffffff801a5c95ad Address: kernel[0xffffff80003c95ad] (kernel.TEXT.text + 464301) Summary: kernelthread_dispatch + 445 at sched_prim.c:2768 (lldb) image lookup -a 0xffffff801a5c906e Address: kernel[0xffffff80003c906e] (kernel.TEXT.text + 462958) Summary: kernelthreadinvoke + 1710 at schedprim.c:2559 (lldb) image lookup -a 0xffffff801a5c7d0f Ad
Topic: App & System Services SubTopic: Core OS Tags:
Feb ’21
App Groups problem
I have an app with CallKit Extension and when I try to pass data from ViewController to the Directory Extension with App Groups and UserDefaults I have this error:2017-11-12 13:42:07.199664+0100 CallKitTest[6851:2093165] [User Defaults] Couldn't read values in CFPrefsPlistSource<0x101a25f60> (Domain: group.com.rubenfernandez.CallKitTest, User: kCFPreferencesAnyUser, ByHost: Yes, Container: (null), Contents Need Refresh: Yes): Using kCFPreferencesAnyUser with a container is only allowed for System Containers, detaching from cfprefsdAny ideas?Thanks!
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1.8k
Nov ’17
Needed Actions for Group Feature
Hi! The app that I am building has the ability for users to join and be added to groups. Are there any requirements from Apple beyond the ability to leave and report the group that the user must be able to do? I read through the developer guidelines but I just wanted to make sure before submission. Thank you!
0
0
971
Aug ’22
Reply to When I want to delete the application, I keep getting the following error. No one on the apple side is helping.
Thank you for your question. During WWDC, you can take advantage of Labs, where Apple engineers, designers, and App Store experts can provide personalized guidance to your questions. Labs are available through the end of WWDC on June 9. Visit Apple Developer to learn more about eligibility and request an appointment.
Jun ’23
Reply to Spatial Gallery App functionality
Hello! In visionOS 26, we have new APIs that make it possible to build a similar gallery interface yourself in RealityKit. For spatial photos, and also the new spatial scenes introduced in visionOS 26, check out the new ImagePresentationComponent and Spatial3DImage APIs. The Presenting images in RealityKit sample code project is a great place to get started, and the What's new in RealityKit video from WWDC25 has a section showing how to use ImagePresentationComponent for spatial photos. For spatial videos, we've added support for spatial styling in VideoPlayerComponent in visionOS 26. Check out the Playing immersive media with RealityKit to get started. We also have a section on spatial video rendering in RealityKit in the Support immersive video playback in visionOS apps video from WWDC25.
Topic: Spatial Computing SubTopic: General Tags:
Jun ’25
CFPreferencesCopyKeyList for App Group
We use AppGroups to share information between app and extension.I need to get list of keys stored in the defaults. There is a method 'dictionaryRepresentation' which returns all keys and values. I'm worried if retreiving all values shoots up memory.There is a method in Core Foundation that only get's the keys, which I plan to use.CFArrayRef CFPreferencesCopyKeyList(CFStringRef applicationID, CFStringRef userName, CFStringRef hostName);I need help with the arguments.applicationID is the App Group bundle identifier.What should be used foruserName - kCFPreferencesCurrentUser or kCFPreferencesAnyUserhostName - kCFPreferencesCurrentHost or kCFPreferencesAnyHostThanks in advance
Topic: UI Frameworks SubTopic: UIKit Tags:
0
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435
Feb ’19
What about App Groups?
Hello.I ran into a problem when creating Cocoa apps.When i send get-request to my local server - i get next message in console:[User Defaults] Failed to read values in CFPrefsPlistSource<0x6080000e6700> (Domain: com.apple.PowerManagement, User: kCFPreferencesAnyUser, ByHost: Yes, Container: (null)): accessing preferences outside an application's container requires user-preference-read or file-read-data sandbox access, detaching from cfprefsdI try create App Groups in Capabilities. Nothing...How can I fix it?I use Vapor like a web-service.
0
0
443
Feb ’18
Subscription Groups with trials behavior
Hi,Is the following scenario possible with subscription groups:1. Group has two product - premium and business(with trial)2. Usr buys premium3. After a while user changes to business and gets trial for X days4. If he cancels the trial, he stays premium.Questions:1. when upgrading from premium into business , will the user recieve the X days trail?2. After the user cancels the business(within the X days trial), will he automaticly downgraded back into premium?thanks.
0
0
424
Jun ’17
Reply to ubc_msync have a bug
(lldb) image lookup -a 0xffffff801a5ac283 Address: kernel[0xffffff80003ac283] (kernel.TEXT.text + 344707) Summary: kernelpanic + 99 at debug.c (lldb) image lookup -a 0xffffff801a6d91ea Address: kernel[0xffffff80004d91ea] (kernel.TEXT.text + 1577450) Summary: kernelpanic64 + 218 at trapnative.c:152 (lldb) image lookup -a 0xffffff801a55a51f Address: kernel[0xffffff800035a51f] (kernel.TEXT.text + 9503) Summary: kernelhndl_double_fault + 15 (lldb) image lookup -a 0xffffff801a6cd95f Address: kernel[0xffffff80004cd95f] (kernel.TEXT.text + 1530207) Summary: kernelusimplelock + 47 at machineroutines.c (lldb) image lookup -a 0xffffff801a5c95ad Address: kernel[0xffffff80003c95ad] (kernel.TEXT.text + 464301) Summary: kernelthread_dispatch + 445 at sched_prim.c:2768 (lldb) image lookup -a 0xffffff801a5c906e Address: kernel[0xffffff80003c906e] (kernel.TEXT.text + 462958) Summary: kernelthreadinvoke + 1710 at schedprim.c:2559 (lldb) image lookup -a 0xffffff801a5c7d0f Ad
Topic: App & System Services SubTopic: Core OS Tags:
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Feb ’21
Reply to Guidance for cases when you can link to an external shop from an app
Thank you for your question. During WWDC, you can take advantage of Labs, where Apple engineers, designers, and App Store experts can provide personalized guidance to your questions. Labs are available through the end of WWDC on June 9. Visit Apple Developer to learn more about eligibility and request an appointment.
Topic: App & System Services SubTopic: StoreKit Tags:
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Jun ’23
How to remove empty subscription group
I am getting rejected from Apple because of subscription groups that I do not use. How can I solve this?
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0
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0
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442
Activity
Apr ’21
App Groups problem
I have an app with CallKit Extension and when I try to pass data from ViewController to the Directory Extension with App Groups and UserDefaults I have this error:2017-11-12 13:42:07.199664+0100 CallKitTest[6851:2093165] [User Defaults] Couldn't read values in CFPrefsPlistSource<0x101a25f60> (Domain: group.com.rubenfernandez.CallKitTest, User: kCFPreferencesAnyUser, ByHost: Yes, Container: (null), Contents Need Refresh: Yes): Using kCFPreferencesAnyUser with a container is only allowed for System Containers, detaching from cfprefsdAny ideas?Thanks!
Replies
1
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0
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1.8k
Activity
Nov ’17
Needed Actions for Group Feature
Hi! The app that I am building has the ability for users to join and be added to groups. Are there any requirements from Apple beyond the ability to leave and report the group that the user must be able to do? I read through the developer guidelines but I just wanted to make sure before submission. Thank you!
Replies
0
Boosts
0
Views
971
Activity
Aug ’22
Reply to When I want to delete the application, I keep getting the following error. No one on the apple side is helping.
Thank you for your question. During WWDC, you can take advantage of Labs, where Apple engineers, designers, and App Store experts can provide personalized guidance to your questions. Labs are available through the end of WWDC on June 9. Visit Apple Developer to learn more about eligibility and request an appointment.
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Jun ’23
Reply to PWA vs Ionic Application vs Wrapped website in Ionic application
Thank you for your question. During WWDC, you can take advantage of Labs, where Apple engineers, designers, and App Store experts can provide personalized guidance to your questions. Labs are available through the end of WWDC on June 9. Visit Apple Developer to learn more about eligibility and request an appointment.
Topic: Safari & Web SubTopic: General Tags:
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Jun ’23
Reply to Appstore app approval process social login
Thank you for your question. During WWDC, you can take advantage of Labs, where Apple engineers, designers, and App Store experts can provide personalized guidance to your questions. Labs are available through the end of WWDC on June 9. Visit Apple Developer to learn more about eligibility and request an appointment.
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Jun ’23
How to access tab groups api on Safari
Hi all, I am on the Mac OS Monterey beta and I want an extension to handle some tab groups for me (switch to a specific tab group with a shortcut). Can someone guide me where I can find the documentation for tab groups in the safari extensions api.
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1
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0
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1.3k
Activity
Aug ’21
Unable to add Internal Groups to the Build
Unable to select internal groups to the build that I've uploaded to the appstore. Why the group name is disabled?
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2
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0
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1.8k
Activity
Mar ’22
Testflight group users not working
- Create a group- Added people to the group- Added a build to the group- Displays users are invited within that group- Email is never received- Delete group- Add as Itunes Connected User- Everything works as expectedHow do we add users to a group so they can receive invitation emails??
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0
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376
Activity
Jun ’17
Reply to Spatial Gallery App functionality
Hello! In visionOS 26, we have new APIs that make it possible to build a similar gallery interface yourself in RealityKit. For spatial photos, and also the new spatial scenes introduced in visionOS 26, check out the new ImagePresentationComponent and Spatial3DImage APIs. The Presenting images in RealityKit sample code project is a great place to get started, and the What's new in RealityKit video from WWDC25 has a section showing how to use ImagePresentationComponent for spatial photos. For spatial videos, we've added support for spatial styling in VideoPlayerComponent in visionOS 26. Check out the Playing immersive media with RealityKit to get started. We also have a section on spatial video rendering in RealityKit in the Support immersive video playback in visionOS apps video from WWDC25.
Topic: Spatial Computing SubTopic: General Tags:
Replies
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Views
Activity
Jun ’25
CFPreferencesCopyKeyList for App Group
We use AppGroups to share information between app and extension.I need to get list of keys stored in the defaults. There is a method 'dictionaryRepresentation' which returns all keys and values. I'm worried if retreiving all values shoots up memory.There is a method in Core Foundation that only get's the keys, which I plan to use.CFArrayRef CFPreferencesCopyKeyList(CFStringRef applicationID, CFStringRef userName, CFStringRef hostName);I need help with the arguments.applicationID is the App Group bundle identifier.What should be used foruserName - kCFPreferencesCurrentUser or kCFPreferencesAnyUserhostName - kCFPreferencesCurrentHost or kCFPreferencesAnyHostThanks in advance
Topic: UI Frameworks SubTopic: UIKit Tags:
Replies
0
Boosts
0
Views
435
Activity
Feb ’19
What about App Groups?
Hello.I ran into a problem when creating Cocoa apps.When i send get-request to my local server - i get next message in console:[User Defaults] Failed to read values in CFPrefsPlistSource<0x6080000e6700> (Domain: com.apple.PowerManagement, User: kCFPreferencesAnyUser, ByHost: Yes, Container: (null)): accessing preferences outside an application's container requires user-preference-read or file-read-data sandbox access, detaching from cfprefsdI try create App Groups in Capabilities. Nothing...How can I fix it?I use Vapor like a web-service.
Replies
0
Boosts
0
Views
443
Activity
Feb ’18
Subscription Groups with trials behavior
Hi,Is the following scenario possible with subscription groups:1. Group has two product - premium and business(with trial)2. Usr buys premium3. After a while user changes to business and gets trial for X days4. If he cancels the trial, he stays premium.Questions:1. when upgrading from premium into business , will the user recieve the X days trail?2. After the user cancels the business(within the X days trial), will he automaticly downgraded back into premium?thanks.
Replies
0
Boosts
0
Views
424
Activity
Jun ’17