Make a widget that's interactive.

Create a SwiftUI trailing label textfield that visually aligns the label with the input value, improving the user experience in forms.

Learn how SwiftData works and how you can configure and utilize the framework in a SwiftUI application to query and manipulate data in a delarative manner.

While working on an app, I needed a way for showing a picker with a wheel style in a form. If we add a wheel picker to a form, it is always shown. Better would be to show a row which describes the …

Demystifying handling of file system permissions and paths when coding and working with developer tools on iPhone and iPad

This document will guide you in optimizing view calculations in SwiftUI. The methods include optimizing construction parameters, breaking…

Let’s take a trip to Objective-C from Ruby.

Since the release of iOS 10, iMessage has grown from a simple text messaging app into a lively...

When you have a large code base more often than not you end up with your code broken down into multiple frameworks. But when it comes to resources often they are kept together in the main app bundle. While this works for the single app target it may present…

Moving from a C function-pointer based callback API to Swift closures with generics. And a look at the future with parameter packs.

This week we will continue the series of posts dedicated to mastering ScrollView. Today we will talk about a set of new options for controlling the scroll content position of a ScrollView in SwiftUI.

This year DubDub is over and I am very excited about the new developer treats that iOS17 will bring us that expand the animation possibilities of SwiftUI. I am talking mainly about the PhaseAnimator, KeyframeAnimator and the ability to utilize Metal shaders…

WIth the introduction of Xcode 15 beta and its corresponding beta OSses (I would say iOS 17 beta, but of course we also get macOS, iPadOS, and other betas…) Apple has introduced new state mangement…

Understand the key changes in Swift 5.9 including macros, noncopyable types, and the evolution of 'if' and 'switch' in our latest guide

问题提出 真实案例，都脱胎于业务代码，有历史积淀的业务代码常常令人内牛满面。之前网上会有非常多的讨论，建议大家不要在 dealloc 里做太多逻辑，也有不少相关的整理，例如：避免在 dealloc 中

Crazy Mac lady. Mac author & developer. Lover of Apple computers and devices. Swift & SwiftUI enthusiast. Unofficial Mac app dev evangelist

I'm playing with SwiftData and got suprised by a couple of things.

Learn how to use an old NSAttributedString inside a SwiftUI app.