Design applications using protocol-oriented programming, with retroactive modeling to introduce appropriate abstractions at any stage in the development process.

Explore a SwiftUI Grid layout issue, learn analytical approaches & solutions for everyday SwiftUI development. Discover the root cause and a robust fix.

iOS 18.1 introduced APIs that support secure contactless transactions within compatible iOS apps using the NFC & SE Platform for in-store payments, car keys, closed loop transit, corporate badges, student ID, home keys, hotel keys, merchant loyalty and rewards…

When I was first learning to program I had absolutely no idea what I was doing. I was using C, and I remember desperately putting in * and & characters until things compiled. But, this was pre-Mac OS X. Upon running my horrifically incorrect programs, half…

Seamless Swift on server deployments to cloud providers

KeyboardKit is a small UI framework that runs only on the main thread, so was a simple test case to try out strict concurrency. I wanted to share three interesting situations that came up in the migration.

The SwiftUI framework became a mature tool for building apps on all Apple platforms. The recent WWDC introduced missing APIs, adding more value to the framework. One of them is even backward compatible with previous versions of Apple platforms. This week…

Observation framework came out along with iOS 17 in 2023. Using this framework, we can make objects observable very easily. Please refer to @Observable macro in SwiftUI for quick recap if needed. I…

Improve data flow in your SwiftUI app with the @Entry macro. Learn how to define custom environment values and simplify your code.

Learn how to parse JSON in Swift without any external dependencies. Decode JSON and visualize data in your iOS apps with ease.

Learn key lessons to translate a monolithic codebase into a modular one.

Discover the power of SwiftUI's MeshGradient in iOS 18! Learn to create animated mesh gradients using a 3x3 color grid. This tutorial breaks down the process step-by-step, from setting up SIMD2<Float> points to animating color shifts.

Global Sheets Pattern in SwiftUI

Once you start migrating to the Swift 6 language mode, you’ll most likely turn on strict concurrency first. Once you’ve done this there will be several warings and errors that you’ll encounter and…

Explore key considerations for using Codable and enums in SwiftData models. Learn how SwiftData handles Codable, query predicates, and potential pitfalls to avoid.

We’re excited to introduce an implementation of provisional support for Oblivious HTTP to the Swift ecosystem, with the availability of a new package called SwiftNIO Oblivious HTTP.

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

Learn how to overcome app design challenges and improve your design workflow with these five methods shared by an expert.

In iOS development, app extensions run in separate processes from their containing apps. This separation poses a challenge when you need to communicate between the main app and its extensions. While NSNotificationCenter is a common choice for passing data…