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A Summary of the WWDC25 Group Lab

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macOS Unsatisfied entitlements com.apple.security.application-groups
I've built a macOS app (in Xcode 12.5) with Finder extensions, and set all the components to share a common app group, with the name correctly formatted as CD......7C.com.orexresearch.EMPSecure.group . Up till now, it's been working fine for everything I've needed it to do, with app and extension both accessing common files. But now I need to do file downloads for the FileProvider extension, and these are failing. I know part of the problem is to do with the App group -- in the main app, the download works if I initialise the Dropbox component without the app group identifier, but if I switch Dropbox to use the app group identifier, it fails repeatedly in both the main app and the extension: error 21:36:44.487814+1100 EMPFileProvider BackgroundSession <7764EC70-AC7F-46F4-91DC-547FAA23249C> an error occurred on the xpc connection to setup the background session: Error Domain=NSCocoaErrorDomain Code=4097 UserInfo={NSDebugDescription=} error 21:36:44.487893+1100 EMPFileP
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Jan ’22
Reply to Please provide bounds for ViewAttachmentComponent
Thanks both of you. Now I got more idea why this wasn't working when I showed it to Sydney in the labs, but also, Allan from RealityKit got me covered in the next Lab by pointing at the new SpatialContainer. ViewAttachmentComponent Update: SIMD3(0.036764707, 0.008455883, 0.0) Entity with ViewAttachmentComponent Update: SIMD3(0.073529415, 0.016911766, 0.0) PS @Michael: You meant to write points not meters, right, in the Text?
Topic: Spatial Computing SubTopic: General Tags:
Jun ’25
Search Ads API: Ad Group Report Group By ageRange and deviceClass
Hi, I have a custom application that create a standard http POST request with custom headers, specific campaign id, and a custom date range. Using the version 2 of the search ads api, I was successfully able to retrieve data in json format. I then extracted those data into excel file just to group the ageRange, impressions and localSpend. Now, when I tried to compare it with the excel file I downloaded from the Search Ads UI, with same specific campaign & date range, it looks like the impressions are not matching, particularly for the ageRange where values are equal to null. The sum of impressions (json extracted data) is a little bit lower compared to the excel file I downloaded. The spends seems accurate though.
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Sep ’20
Search Ads API Ad Group Report Group By ageRange and deviceClas
Hi, I have a custom application that creates a standard HTTP POST request with custom headers, specific campaign id, and a custom date range. Using version 2 of the search ads API, I was successfully able to retrieve data in JSON format. I then extracted those data into an excel file just to group the ageRange, impressions, and localSpend. Now, when I tried to compare it with the excel file I downloaded from the Search Ads UI, with the same specific campaign & date range, it looks like the impressions are not matching, particularly for the ageRange where values are equal to null. The sum of impressions (JSON extracted data) is a little bit lower compared to the excel file I downloaded. The spend seems accurate though.
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468
Oct ’20
Dock tile plugin and app groups
In one of my apps I use an app group to share data between the app and a command line tool. This works as expected. The app also contains a Dock Tile plugin and I wonder if there's a way to access the group container from this plugin? Thanks in advance for your help. Best regards, Marc
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Dec ’24
Problem with Terminal App and Window Groups
Hello.Apple Support has directed me here.Some basic details.MacBook Pro (Retina, 15-inch, Mid 2015)OS X El Capitain Version 10.11.6 (15G1108)Terminal Version 2.6.1 (361.1)When I start ther Terminal App I want it to start with a number of windows that open in s Window Group. I have done this by saving my own window group which has the windows, directories and arrangements and sizes. I have set the Terminal->Properties->Gerneral->On startup, open: to be Window group: and I have selected my previously saved Window Group. This has worked correctly on previous versions of OS X on my older MBP 2012 and has until recently worked without problems on my current MBP, although beacuse I use Terminal infrequently I can not say for certain which (if any) of the recent updates have caused the below problem to occur.I have the Terminal App permanatly in my Dock (I have set it's Dock Option to Keep In Dock)When I click the Terminal App Icon in the Dock the Terminal App starts (a l
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Nov ’16
How to group website in with app for Apple Sign In
Hi I'm setting up Sign in with Apple on my app, and also want to offer it on the web-app version. I get the idea of grouping the app and website in the Identifiers section so the user doesn't get asked to ok things twice - that makes sense, but how do I give my website an ID in my apple dev account so that I can group it with the app please? Or am I misunderstanding the process? Thank you for your time and help.
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Jun ’21
Syncing App Group files through iCloud
We have an iOS application that is using a third party c library, which uses UNIX domain sockets to manage and save content to the device. We have found that this is possible by using Application Groups. We are now interested in using iCloud to sync the data between multiple devices. However, I've been unable to find any documentation on how to do this or if it's possible just using App groups. I've built a simple prototype, but I have had no success syncing App Group files through iCloud. Is this possible? If so, please post a link to documentation or an example of this being done.
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1.1k
Jan ’20
SwiftUI Form (Grouped) with Table
Hi everyone, I’m having an issue with a SwiftUI Table inside a Form in a macOS app. When the Form style is set to .grouped, the Table does not resize to the full width of the Form or Sheet. However, when I switch to a .plain style, it resizes correctly. Here’s a simplified version of my code: Section(header: Text(Header)) { Table(data) { TableColumn(Column 1, value: .col1) TableColumn(Column 2, value: .col2) // Add more columns as needed } .frame(height: 100) } } .formStyle(.grouped) // Issue occurs only with this style Has anyone else experienced this? Any workarounds or suggestions would be greatly appreciated! Thanks!
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Sep ’24
Xcode Groups - "cannot find type..." when accessing an object defined in another group
I'm a beginner to Xcode, swift, and swiftui and I'm following the tutorial here. It says to break files into view model and resource groups. However, when I try to access objects from the model in classes in the view, I get an error saying cannot find type ___ in scope. In java or c# I would add a package or namespace reference. How do I do this is swift?
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May ’22