A Summary of the WWDC25 Group Lab

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

Is it possible to change the Primary App ID set in the Group with an existing primary App ID to another Primary App ID within the same group If there is a change, whether the sub values of the token will be changed upon successful login If an app corresponding to the existing Group Primary App ID is deleted from the app store, ask whether or not other apps in the same group are affected and what effect it will have If anyone knows about the above, please let me know please

If I search for regex (.*)How do I replace with the capture group? It was 0 and then $0. Any clue what it is in the new editor?For bonus points: can I change the case on the capture groups?Thanks,Andrew

I want to ask a question about App Transfer. We have succesfully transferred our iOS app to new developer account. App ID and bundle is transferred but there is no app group id and push notification certificate in new developer account.Our database is stored in the app group container and have to create same app group id in new developer account. I want to ask you if there is any risk to delete old app group id from old account and re-create the same app group id in new developer account. Will any App Store users affect data lose or etc ?Or, is there any other way to transfer App Group ID to new developer account ?Thanks

Is there any documentation aside from the Metal Shading Language Specification that explains the SIMD group functions such as simd_or simd_and simd_xor etc. CUDA has functions comparable to the vote/ballot simd functions, but I am not aware of anything similar to the above. The MSL specification is vague in stating - for example - simd_or returns the bitwise OR across all active threads. Does that mean T data is applied bitwise to the value in each SIMD lane? What does that return exactly? Do you get only the highest or lowest or a sum of the bitwise operation?

Hi, I'm developing an app with a functionality to invite and add members to a group (the back-end work is already done, but I'm looking for better front-end). For this functionality, I need the ability to... Show current members (after they have accepted the invite). The ability to see pending invitations. The ability to delete either pending invitations or current members. Does anyone know of any existing snippets that I could implement for this front-end functionality?

Hi all, after I pushed the build on testfight but I cannot add the build to groups for internal testing. Please help to addvice

That's a watch error I cannot get rid of.I have created a group at the bottom of the view (that seem to be important).In the group, a label and a slider.I would like to hide the group at start, then show it after some action has been done.So, in awake, I setHidden(true) for the group.But, I get multiple context errors like:App Watch Extension[11882:866609] [Unknown process name] CGContextSetFillColorWithColor: invalid context 0x0. If you want to see the backtrace, please set CG_CONTEXT_SHOW_BACKTRACE environmental variable.App Watch Extension[11882:866609] [Unknown process name] CGContextSetStrokeColorWithColor: invalid context 0x0. If you want to see the backtrace, please set CG_CONTEXT_SHOW_BACKTRACE environmental variable.If I replace setHidden by setting alpha to 0, I succeed in hiding, but that's not exactly the same layout.I found this SO, but the solution does not work for me.https://stackoverflow.com/questions/32236204/cgcontextsavegstate-invalid-context-0x0-error-only-on-de

In the 2020 WWDC changes to the Developer site, the section in Profiles for Keychain Access Groups went away. I understand that this entitlement is now rolled into App Groups, but I don't see my preexisting Access Group identifier listed on my page anymore. Where do I modify or remove the Access Group entitlement I've been using, or create new ones?

In a watch app, if I put a label inside a Group , setText() does not change the text on a label when it is inside a Group.The demo code:@IBOutlet var pinLocationText: WKInterfaceLabel! @IBAction func pinButtonPress() { pinLocationText.setText(Reset) }executes correctly when pinLocationText is outside a Group, but fails to display the text when the label is inside a Group.So, how do I update the display value of a Label when it is inside a Group?

I'm trying to share cached data between a tvOS app and a TVService extension. I crated an app group and get a directory based on the identifier. All works fine in the simulator. On the tvOS dev kit however the app does not have write permission the app group directory.I realize the restrictions on tvOS but shared cache data in app groups should be possible according the FAQ:For temporary local storage, apps may access the NSTemporaryDirectory and NSCachesDirectory in their own container, or NSCachesDirectory in a shared container.So how do I get access to the caches in the app group container? has anybody here got this working?