URLCache class implements the caching of responses to URL load requests, by mapping NSURLRequest objects to CachedURLResponse objects. It provides a composite in-memory and on-disk cache, and lets you manipulate the sizes of both the in-memory and on-disk…

Theory

According to Wikipedia - Copy on Write "is a resource-management technique used in computer programming to efficiently implement a "duplicate" or "copy" operation on modifiable resources."

As confusing as it may seem, the mechanism behind is very…

Learn what infinite scrolling is and how to implement it using SwiftUI and a view model (MVVM)

Exploring Simulator Directories allows you to optimize your app and prevent it from storing useless or sensitive data.

The world lives on API responses. That means, we live in Codable modeled off JSON, so here's how I quickly built models using pretty printed String dumps.

Multiple times have I been given the assignment to go through the code base and find retain cycles. Retain cycles can cause some serious…

Learn how to effectively present errors in your SwiftUI applications with this comprehensive guide. Master three techniques today!

Register when the pointer enters and exists view's bounds and get the mouse cursor location with onContinuousHover() modifier.

The Pitch

Find out how to create a widget that can perform network activities such as make API calls and download images from a remote server.

The SwiftUI ScrollView is currently quite limited in functionality, and will for instance not let us detect the current scroll offset. Let’s take s look at how to add offset tracking to it.

Our first ever livestream! We talk about a few new features that made it into our Dependencies library when we extracted it from the Composable Architecture, live code our way through a NavigationStack refactor of our Standups app, and answer your questions…

iOS 16 系统为我们带来了比较惊艳的桌面锁屏效果：Depth Effect。本文介绍了如何用苹果自带的 API 通过少量的代码实现手机桌面的 Depth Effect

Learn about jailbreaking, feasibility in 2023 having iOS 16, possibilities of detection to protect your iOS apps and alternatives like App Attest.

How to use abstraction and avoid the challenges of tightly coupled code. Learn how to resolve hard-coded dependencies and build flexible codebases.

Make your SwiftUI app stand out with this beginner's guide to styling components, packed with practical tips and examples!