I wrote a blog about how to process Apple HDR Gain Map using both ImageIO and Core Image approaches:

What I learned setting up a large-scale iOS codebase so that AI coding agents can work in it effectively, from hierarchical documentation to executable skills.

If you're using @FetchRequest with a Share Extension, it will never pick up cross-process changes. Here's what actually works.

Extract shared API models into a Swift package that both your iOS app and Vapor backend consume. One source of truth, compile-time guarantees, zero duplication.

Add JWT-based authentication to the Vapor backend. Build login and signup screens in SwiftUI. Store tokens securely in Keychain using the closure-based service pattern.

Learn Swift Algorithms, Apple’s official package for advanced sequence and collection operations. Explore chunked, uniqued, permutations, and more with practical Swift examples.

Professional iOS Engineer specializing in SwiftUI, VisionOS, and modern Apple platforms. Expert in HealthKit, tvOS, watchOS and even some VisionOS development with 50+ technical articles and comprehensive portfolio.

Explore agentic development to streamline multiple projects and enhance your productivity with effective workflow practices.

Explore the concept of Agentic Coding and how to avoid the pitfalls of unnecessary prompts in your projects.

Professional iOS Engineer specializing in SwiftUI, VisionOS, and modern Apple platforms. Expert in HealthKit, tvOS, watchOS and even some VisionOS development with 50+ technical articles and comprehensive portfolio.

In my previous article, I discussed the current reality of Core Data in today's projects: it hasn't disappeared, and it still has unique value, but the disconnect between it and modern Swift projects is becoming increasingly apparent. In this article, I will…

SwiftUI has been around since 2019. Apple has given us dozens of WWDC talks about it. And yet most developers — even experienced ones — still get tripped up by the same things: These aren’t ... <a title="The AttributeGraph – The Engine Behind Every SwiftUI…

Since the introduction of SwiftUI, the MV pattern has been discussed in online forums about SwiftUI architecture. Its proponents sell it as a new pattern that aligns with how SwiftUI is intended to be used, while patterns like MVVM are allegedly at odds with…

Greetings, traveler! Some UI patterns expect a scroll view that never reaches an end. Think of a “featured” carousel on a storefront, a ticker of recent items, a carousel of songs in your player, or a background strip of logos in a landing screen. In these…

Greetings, traveler! Questions around concurrency often drift into terminology. Thread, queue, executor — the words sound related, and many explanations blur the boundaries between them. That usually works until the first real bug appears, and then the model…

There’s a moment every iOS app hits where navigation stops being a UI concern and starts being an architecture problem.

Senior iOS Developer with 8+ years of experience

"SwiftUI is accessible by default" is one of the most repeated misconceptions in iOS development. Here’s why that’s wrong and what you actually need to watch out for.

Use the Xcode Build Optimization Agent Skill to analyze and improve your build times, saving hours per month.

In simple setups — a view behind an if condition, a sheet, a fullscreen cover — onAppear works exactly how you’d expect. Show the view, onAppear fires. Remove it, onDisappear fires. State is gone. Clean ... <a title="SwiftUI View Lifecycle: When onAppear…