Discover unexpected SwiftUI onAppear behavior causing performance issues & state changes. Learn how to identify & temporarily fix abnormal calls in NavigationStack & TabView.

Typed Throws

Swift 6 was released in September 2024 [1]. It introduced new testing frameworks, such as Swift Testing, and improved other fields, such as concurrency.

Also, with this new update, Swift has introduced Typed Throws.

Before I explain how you…

Take your fastlane skills to the next level

A quick look at the state of LLM assistants for Swift programming but also having fun with AVAudioEngine and SwiftUI Charts

In this post, we’ll take a look at how to create a tiny, observable search context class that can be used to handle the debouncing of any search operation, without any additional effort.

Learn how to create user interface tests with Xcode and the XCTest framework for iOS SwiftUI applications. Learn how to run your first UI test, the anatomy of a XCTestCase test class, how to query views and how to interact with them.

Learn how to leverage the some keyword for working with protocols with associated types and use opaque declarations as syntactic sugar.

Learn how to implement real-time updates over WebSockets using ChangeStreams and MongoKitten

Learn how to use JWTs in Swift to secure your API

You know what? Coming up with example material is hard. This might sound silly or like it doesn’t matter that much, but it really does! Of course, a great example helps keep things understandable. It makes writing a lot more enjoyable too. But, writing is…

How can we add CRUD methods to SwiftData ModelActors in an safe way using actors in Swift 6.

You’re more of a video kind of person? I’ve got you covered! Here’s a video with the same content than this article 🍿

Learn how to capture and respond to the pressed keys in a hardware keyboard in a SwiftUI app.

Learn how to respond to pressed keys and phases in a hardware keyboard in a SwiftUI app.

I’ve been using Swift Concurrency since its initial version, which introduced the async and await keywords to enable asynchronous work. Over time, Swift Concurrency has become more powerful and provides robust data-race safety by allowing the Swift compiler…

When you turn on strict concurrency checking or you start using the Swift 6 language mode, there will be situations where you run into an error that looks a little bit like the following: What this…

SwiftUI in Swift 6 fails with @State in view modifiers due to stricter concurrency & @MainActor. Learn solutions for alignmentGuide, scrollTransition & more.

深入探讨 Xcode 16 中 SwiftUI Preview 的工作原理,包括构建流程、JIT执行机制以及三种不同的重构建策略。了解这些原理不仅有助于解决 Preview 常见问题,还能帮助开发者更好地利用这一重要工具。