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“A Summary of the WWDC25 Group Lab”

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I don't know if anyone else is experiencing similar problems. In Xcode project, I have several groups, and each one is 1 or 2 levels deep. groupA - fileA.h, fileA.mgroupB - GroupC - fileC.h, fileC.m(groupC is under GroupB)I have fileC.h imported in fileA.m. When I edit fileA.m, the autocomplete function stopped working when I try to access those defined in fileC.When I switch back to Xcode 7.2 the autocomplete works fine.

Developer Tools & Services Xcode Xcode

1.7k

Mar ’16

Group A Dictionary By Key Value

Im sure i cant be the only one to have an app needing this functionality, yet i cant come across and Library to help with it thus far.I have an Dictionary such as[[order: 31399, builder: Test, area: North], [order: 4244, builder: Test, area: North][order: 41499, builder: new, area: South]]Im wanting to group this data by Area in this case into a dictionary like so [[North: [[order: 31399, builder: Test, area: North], [order: 4244, builder: Test, area: North]]],[South: [[order: 41499, builder: new, area: South]]]]Or maybe even 2 levels down, by area and then by builder in the area. In JS i have used D3 and this process is super simple with nesting, in swift its becoming a nightmare. Even if i can just get 1 level grouping i will be happy at this point. Any help is appreciated. Thanks

Programming Languages Swift Swift

219

Mar ’16

Reply to SIP (System Integrity Protection)

Yes, I use this all the time on my lab machines that are locked with a firmware password. Using bless I can reboot them to netboot.

App & System Services Core OS

Jun ’15

Reply to Sign up for Apple developer one on ones and iOS 14 beta

The iPhone app just crashed when I tried to sign up for a lab, but I had success doing the signup from the developer web page.

App & System Services Hardware

Jun ’20

Reply to A case against TN3135 WatchOS restrictions (NWPathMonitor)

Thanks for the details of your use case. We'll talk more about the options available to you in your lab appointment today.

App & System Services Networking

Jun ’24

Reply to Should ModelActor be used to populate a view?

I decided to run this task on app launch to sync the clinical labs into the SwiftData store. This allows me to use Query macro in the views where it's needed and no need to combine lab results. Let me know if this is the right approach: import SwiftData import SwiftUI import OSLog @ModelActor actor HealthKitSyncManager { private let logger = Logger(subsystem: com.trtmanager, category: HealthKitSyncManager) func sync() async { do { // Get all Clinical labs let hkClinicalRecords = try await TRTHealthKitService.getHKClinicalRecords() guard !hkClinicalRecords.isEmpty else { return } // Get existing HealthKit IDs in one query let descriptor = FetchDescriptor( // predicate: #Predicate { $0.source == .clinicalRecord } ) let existing = try modelContext.fetch(descriptor) .compactMap { $0.fhirResourceId } let existingIDs = Set(existing) let missingRecords = hkClinicalRecords.filter { lab in guard let fhirResource = lab.fhirResource else { return false } return !existingIDs.contains(f

UI Frameworks SwiftUI

Aug ’25

Something new in keychain-access-groups

All identifiers updated in summer 2020 has new value for keychain-access-groups - com.apple.token. What is its purpose? What can happen if this value will not be added to entitlements?

Code Signing Entitlements Entitlements Provisioning Profiles

3.1k

Jul ’20

Reply to Unable to edit problematic keychain-access-groups setting of downloaded provisioningprofile for signing

Solution Summary: To build using EAS build, we need an Apple Distribution Certificate, but EAS's credentials tool creates an iOS Distribution Certificate. Therefor what is needed is to create the distribution cert on Apple Dev portal, download the .cer file from there, add it to your OSX keychain, then export to .p12 with a password. Then when using EAS build, you will choose: > eas build --profile production --platform ios --local ... ... Generate a new Apple Distribution Certificate? … no Path to P12 file: … /path/to/your.p12 P12 password: … *the password your exported to .p12 with* Would you like to reuse the original profile? … no Generate a new Apple Provisioning Profile? … yes During the build process, your OSX should prompt you for your OSX login chain pw (Your OSX admin pw, not the .p12 export password) multiple times. As for the keychain-access-groups entitlement, even though XCode complains as follows: Provisioning profile doesn't include the com.apple.developer.keychain-access-

Code Signing Certificates, Identifiers & Profiles

Feb ’25

Reply to "All Ratings and Reviews" have disappeared

Some news from Apple about that...Now it’s quicker and easier for users to see your app's rating, with just one summary rating that displays on your product page. This summary rating is based on ratings of your app's current version as of September 19 (Pacific Time), and is specific to each territory on the App Store. New ratings will continue to count towards this summary, and you can choose to reset your summary rating when you release a new version of your app. Customer reviews for all versions of your app will continue to display on your product page.Learn about Ratings, Reviews, and Responses.

App Store Distribution & Marketing General

Sep ’17

Is there a limit to how many Subscription Groups we can create in total?

We have identified Subscription Groups for our use-case based on the below note from Apple, but there is no mention of any limitations in the doc. Can we create unlimited number of Subscription Groups or is there a limit? If your app needs to offer users the ability to buy multiple subscriptions — for example, to subscribe to more than one channel in a streaming app — you can add these subscriptions to different groups. Users who buy subscriptions in multiple groups will be billed separately for each subscription. Thanks in advance!

App Store Distribution & Marketing App Store Connect App Store Connect StoreKit Subscriptions

1.5k

Jul ’22

Group Activities Entitlements on MacCatalyst

I am adding Group Activities integration with a MacCatalyst app. I have added the Group Activities entitlement in Xcode. I also checked the entitlements with : codesign --display --entitlements :- I can see the entitlement : com.apple.developer.group-session The feature work fine on iPadOS but when I run it on MacOS, the GroupActivitySharingController is not loading properly. I get the following error messages: Cannot run query EXQuery: extension point com.apple.groupactivities platforms: 6 with error: (null) Failed to lookup extension with query EXQuery: extension point com.apple.groupactivities platforms: 6 on <_GroupActivities_UIKit.PeoplePickerController: 0x600005020980> Failed to fetch config for hostViewController <_GroupActivities_UIKit.PeoplePickerController: 0x600005020980> Failed to build remote hostViewController for <_GroupActivities_UIKit.GroupActivitySharingController: 0x1417f1250> Failed to fetch extensionViewController Calling -viewDidAppear: directly on a v

App & System Services General Mac Catalyst Group Activities

753

Mar ’24

Reply to App Development with Swift (Xcode) iBook content have answer keys

If you require the answers to the labs, they are in the Teacher's Guide materials available from here https://developer.apple.com/go/?id=app-dev-swift-teacher

Programming Languages Swift

Aug ’17

UICollectionView Compositional Layout Tag Group

I’m trying to create a layout with a group of labels / tags. The labels have a flexible width and height. If a label exceeds the width of the container it should grow in height. I’m using a UICollectionView with a compositional layout to create this layout. At first I used estimated for the width and height dimension of the layout items within a horizontal group layout that had an fractionalWidth and an estimated height. This worked but only if the cells with the labels were smaller than the group width. If they are larger, the app crashes. Somewhere on StackOverflow I read that this is a known issue. To fix the issue above I made the main group a vertical layout and created a different group for every row of labels. If the labels width exceeds the width of the group I give if a fractional width and if it’s smaller I give it an estimated width. This approach prevents the crashed above and gives me my desired layout. But… as soon as I rotate the device of c

UI Frameworks UIKit Swift Design UIKit

1.3k

Oct ’23

iOS CalKit: How many calls can be grouped with CXSetGroupCallAction

Hi,Using iOS CallkIt VoIP API on iOS 10.THe API for CXSetGroupCallAction allows specifying a call UUID and another UUID of a call to be grouped with.THis suggests only two calls are allowed in a group. Is this the case or are more calls allowed in a group ie 3+.Thanks

App & System Services Networking Network

342

Feb ’17

Reply to Xcode 7 crashes when trying to select the Main.storyboard.

We saw this in the labs at WWDC. The crash was caused by an offending custom color picker. Try removing any custom color pickers you have installed on your system.

Developer Tools & Services Xcode