SwiftUI views and view modifiers can be divided into “rendering“ and “non-rendering” groups. The position of the `animation` modifier with respect to non-rendering modifiers is irrelevant for the question if a change gets animated or not.

SwiftUI gestures are complicated, since they can block the ScrollView gestures. Let’s look at a way to implement rich view gestures in a way that doesn’t block the scrolling.

SwiftUI, iOS Development, iOS, Swift, DevTechie, Image View, SF Symbols, ios 15. iOS 16, iPadOS, watchOS, swiftui list, SceneKit, ARKit, RealityKit, CoreML, CreateML, iOS Machine Learning

Nowadays, SwiftUI provides the Layout protocol allowing us to build super-custom layouts by digging into the layout system without using GeometryReader. Layout protocol brings us the incredible power of building and reusing any layout you can imagine. This…

willSet and didSet notify when changes in a property’s value

Learn how you can write an extension on Binding to provide default values to SwiftUI

How Swift’s opaque return types can be combined with primary associated types in order to create powerful abstractions without the need for any type erasure.

Learn how to create SwiftUI Modularisation with SPM with a practical and illustrated example. Start modularising your iOS apps today.

Learn about SwiftUI ForEach in this article. Discover how to use SwiftUI ForEach with nontrivial examples.

本文基于拍立淘相册在发展中遇到的问题，对相册的整体架构设计和实现思路进行总结阐述，并针对相册功能开发时会遇到的共性问题提供了解决方案。

文章主要阐述了优先级反转的一些概念和解决思路，并结合iOS平台的几种锁进行了详细的调研。通过深入的理解，可以去规避一些不必要的优先级反转，从而进一步避免卡死异常。

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As we saw in last week’s post, gestures in a ScrollView are complicated, since they can block the scrolling. Without a scroll view, things become a lot easier. Let’s take a look.

Navigation in SwiftUI can be complex, but it doesn't have to be that way. We are releasing a
new version of our SwiftUI Navigation library that makes it easier to use NavigationStack,
alerts, confirmation dialogs, and even fixes a few bugs in SwiftUI.

@dynamicCallable can be used to communicate with Python, Javascript, and other languages. Combine it with dynamicMemberCallable and optimize.

The clipped() modifier in SwiftUI doesn’t limit hit testing to the clipping region. The clipped view can still receive taps/clicks outside the visible area. Add .contentShape(Rectangle()) to change this behavior.

This is a personal blog by Matthew Flint.