There are four types of in-app purchases in Apple’s App Store, with their own unique ways to manage it. The challenge is how to isolate the intricacies of these product types from the rest of…

This article is intended to help you configure Danger Swift with Bitrise. The main goal is to automating the simplest and most repetitive…

Swift does not provide first-class language support for atomic properties. Let's fill in this gap by designing an atomic Swift property wrapper based on the use of serial dispatch queue.

Learn different ways of debugging functional reactive code written with the Swift Combine framework: read the console with the print() and handleEvents() operators; generate Xcode breakpoints with breakpointOnError() and breakpoint(); draw marble diagrams.

Implementing backward compatible Dark Mode on iOS

I’m building my first iOS game using Spritekit. And I need to create a “rain” of nodes that are generated continuously, frame by frame, like real rain. Follow me to learn how to create such an effect

The differences between concurrent and serial dispatchqueue explained in Swift. How to use the main thread, background thread and prevent data races.

This week, let’s dive deep into the world of pattern matching in Swift — to take a look at how we can construct completely custom patterns, and some of the interesting techniques that we can unlock by doing so.

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

Learn how to use git stashing with and without Xcode 11.

Let’s explore the Combine framework and its correspondence with the Effect type. Combine introduces several concepts that overlap with how we model effects in our composable architecture. Let’s get an understanding of how they work together and compare them…

We have released the Proton Mail iOS app as open source software as part of our commitment to transparency and supporting the developer community.

Learn how to use the Thread Sanitizer to catch Data Races in Swift. Fix flaky tests and weird crashes and see Data Race examples in Swift.

Two free videos exploring Apple's new Combine framework, its core components, and how to integrate it in your code.

iOS 13 introduced improvements to existing UI search APIs. Learn what's changed.

Making HTTP requests is one of first things to learn when starting iOS and macOS development with Swift 5. In this article we'll build modern networking layer with Swift 5 APIs: URLSession, the Combine framework and Codable. We'll discuss why such libraries…

Last week I saw that the community tries to move UIKit development patterns to SwiftUI. But I’m sure that the best way to write efficient SwiftUI is to forget everything about UIKit and entirely change your mindset in terms of User Interface development.…