Xcode 13.1, iOS 25 SDK I have a UICollectionView (with a custom UICollectionViewLayout) which I am updating with a DiffableDataSource. This CollectionView displays a particular data object (with a giv

[I'd sent this to cocoa-dev@..., but ISTR that list is deprecated. Resending here.] I am working on a document storage format that consists of logical zones that nest. You can think of them sort of li

Anybody uses the Scanner class? I’m using an instance to extract some data from a string received from a web server. If I have a string that is “45\nBlah”, read the “45”, the scanner location is just

I have a macOS app I’d like to embed an executable from a swift package. However, while I can add the swift package under the app target’s “Frameworks, Libraries, and Embedded Content” section, and ad

In a UIKit context, has anyone had experience/success in using async/await to synchronize a modal dialog with other logic? I've tried it a bit without success. I.e, given a presented dialog, I want to

My olden app has finally hit the market. https://www.macrumors.com/2021/09/01/apple-shares-us-states-adopting-wallet-ids/ It’s only taken 7 years since I worked on it. : ) Cheers to everyone else who

Has anyone found a workaround for the crash of WKWebKit under the above configuration? Xcode reposts “Error acquiring assertion” trying to display any webpage. A workaround to prevent the screen from

I just saw someone use this syntax in a project and haven’t see it before. It compiles in Xcode 12.5, but not in Xcode 12.4. Does anyone have any more details on it? let myVar = myVar != someValue ? r

I am trying to construct a button using the new iOS15 button API. (Xcode 13ß3, UIKit & Storyboards) The button has a title (aligned .leading) and an image (aligned .trailing). The button has the follo

Hi. I’m trying to draw a bezier shape in CGContext on a UIView in Swift with a transparent background and the background is always black. Nothing online helps. Any ideas? I’ve checked .isOpaque, backg

In my experiments, I noticed that if you simply create a layer for a view and attempt to add a shadow, nothing appears. Unless some color is applied to the border or the backgroundColor of the layer,

Is anyone aware of a process to scan a UIView and obtain its alpha channel or bit mask used for compositing? I’m looking for this to create shadows in the shape of the contents of the non transparent

Xcode 13ß1, deploying to iOS 15, UIKit using Storyboards. I have a tab bar controller which (for one of its tabs) contains a split view controller. The split view controller is configured in the story

Has any one of of us successfully done this? We’ve been trying to do this with CALayers for days now and it’s been monumentally unsuccessful. Either we get one shadow on one layer and no shadows on an

Did Apple kill access to /Network/Applications and /Network/Library shares published from macos server? Testing Mojave (yes this is old stuff) and I don’t see these shares that are published from out

Hi folks, Some users are reporting a crash that I can't reproduce, and in an attempt to gain additional diagnostics from a user, I wrapped the affected line in a try/catch block. For two users it reso

Problem: I am designing a collection view with overlapping cells. Each cell has an active area inside it (and the active areas of adjacent cells do not overlap). (More information about what I'm doing

I have a server class which is abstracted to receive it’s final configuration from it’s data source. The idea is you instantiate the server set the data source and then start the server. During startu

The tableviews in one of our apps is behaving strangely when running on macOS 11.x. I have managed to reproduce thsi with a simple test app. Essentially, the issue occurs if if I build using the 11.x

Sometimes we want to get the string value of the device token after requesting push auth from APNS in didRegisterForRemoteNotificationWithDeviceToken. Here’s how you can get that string value in Objec