Learn everything you need to know about closures, how they work, and why they’re incredibly useful programming tools.

主流图片加载库所使用的预解码究竟干了什么 很多图片库，都会有一个类似叫做Force-Decode，Decode For Display之类的感念，很多人可能对这个过程到底是为了解决什么问题不清楚，这里写一个文章来说明它。 这里列举了各个图片库各自的说法，其实讲的都是完全相同的一个概念。 SDWebImage：使用了forceDecode, decompressImages的概念 YYWebIm

How to offer account deletion in your app, plus answers to common questions about implementation.

Welcome to the latest version of the Apple Developer app — your resource to help you create great apps for Mac, iPhone, iPad, Apple Watch, and Apple TV, and the best way to experience WWDC.

In a previous post, we discussed how Moog uses Metal in many of its iOS and macOS apps to render our synth visuals. Here, we will discuss two ways that we render those graphics in our apps: using textures and using shaders. Textures In Model 15 and Model…

In previous posts we have covered the basics of Metal and how images are rendered to screen. For transparent and semi-transparent graphics, however, rendering the appropriate color can be difficult. Some graphics have transparent backgrounds or are semi-transparent…

In previous posts, we have discussed how controls and animations can be rendered in shaders to provide flexible and dynamic visuals in apps. When rendering fragments in shaders, you come across a very old problem in computer graphics: aliasing. What is Aliasing?…

A Practical Introduction to Task and Await

You do not need to understand the theory of certificates and profiles in order to create a fully working iOS app, but you might be interested in knowing how this process works to make future debugging sessions easier.

Unlock the potential of SwiftUI for your mobile app development journey with this in-depth technical exploration. From understanding fundamental concepts like opaque types and property wrappers to navigating common pain points and integration strategies,…

Alerts form the backbone of many user interactions. While there have been changes to alerts over the years, very little has changed about their appearance or our ability to customise that appearance leading to many tear-filled designer outbursts 😱. Here,…

This article show how to learn Building User Interfaces in iOS and Swift using Xcode. The UIKit vs SwiftUI question is answered here!

Swizzling C functions in compiled iOS apps with dyld interposing.

Last August, I got the chance to attend 360iDev, a long running iOS and macOS conference based in Denver, Colorado. After a two year hiatus from attending in-person conferences, I was excited to see a conference in action again. Since WWDC is right around…

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