Deep‑link crashes in Expo Router when the app hits real traffic
The situation You are a mobile lead on a React Native product that just shipped version 2.4 with Expo Router 2.1.0. The release added a “share‑to‑ap…
Architecture
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Migrating a React Native app to the new EAS build and OTA workflow without a release freeze
The situation You are the lead mobile engineer on a React Native app that ships to 150 000 active iOS and Android users. The app currently uses the…
Android on iOS, Web & Desktop Efficiently and for Free
We are not the first to bring Android to iOS. Earlier projects brought Android's runtime along with the application. Dalvik was built for Android, i…
What Apple actually checks: an App Store submission checklist for a health app
Most App Store submission checklists are flat lists. They tell you what has to be true, in roughly the order Apple numbers its guidelines, which is…
Native or Cross-Platform? A Practical Way to Choose for Your First Mobile App
"Should we go native or cross-platform?" is the first question on almost every mobile project, and the answer is rarely about which framework is bes…
How to Animate iOS Widgets: The Native Alternative to Lottie, Rive, GIF, PNG Sequences, and Third-Party SDKs
The motion design industry is accustomed to relying on established formats: Lottie, Rive, video, or frame sequences (PNG/GIF). However, when attempt…
In iOS 27 and Xcode 27 Liquid Glass will be applied to your app automatically.
By Robin Winters · First published June 30, 2026 · Republished October 2, 2026 Original LinkedIn edition · Readable HTML edition · Robin’s portfolio…
Kinematics Lab Part II: You Don't Need Another...
By Robin Winters · First published July 30, 2026 · Republished October 2, 2026 Original LinkedIn edition · Readable HTML edition · Robin’s portfolio…
Building an iOS Moderation Layer with Apple Foundation Models framework and Firebase
By Robin Winters · First published April 2, 2026 · Republished October 2, 2026 Original LinkedIn edition · Readable HTML edition · Robin’s portfolio…
How I Structured My First KMP App: Modules, Layers and Source Sets
A walkthrough of the modules, source sets and Gradle setup behind a Kotlin Multiplatform app on Google Play. Part 2 of “Building an Exam Prep App wi…
Deferred Deep Links in iOS: Complete Integration Guide
Universal Links solve exactly one case: a user who already has your app taps a link and iOS hands it straight to scene(_:continue:) . They do nothin…
RemoteMac
I wanted to control my Mac from my iPhone from anywhere , not just when both devices are on the same Wi-Fi. So I built RemoteMac — an open-source re…
I Built SnapList to Make Product Research Less Messy
When I’m researching something I want to buy, I usually end up with the same problem: Too many tabs. Too many screenshots. Too many links. And event…
React Native Environment Setup: Managing Dev, Prod, and Staging Builds with Android Flavors and iOS Schemes
During my React Native development journey, I faced several issues managing dev and prod environments — API URLs, Firebase configuration, Android fl…
Agents Shouldn't Blink
Field notes · simframe · iOS Simulator The observation What I noticed watching Claude test my app I had asked Claude Code to check a fix on the iOS…
AI‑агент вместо ручного регресса: архитектура, метрики, инсайты
Привет, Хабр! На связи Владимир Бойко, ведущий iOS‑разработчик в Т‑Банке. В статье расскажу, как мы построили AI‑QA‑агента, кото…
A Dialog Can Now Be a Native Desktop Window
Last week's native-window release could open an editor, inspector, and tool palette as separate operating-system windows. Then an ordinary Dialog.sh…
One icon, three signals
Everyone's been talking about the iPhone Duo. The hinge, the cover screen, the price. But the detail that stuck with me was much smaller than all of…
App Store Submissions Now Open for iOS 27, macOS 27, and Other OS Releases
Apple has announced that developers can now submit their apps and games to the App Store, leveraging the new features and innovations in iOS 27, iPa…
iOS Visual Regression Testing with simctl and Pixel Diffs
A practical UIKit screenshot pipeline, a paywall layout bug, and the failure modes to fix before trusting CI. iOS visual regression testing can star…
Running Apple's On-Device AI From Flutter, With No API Key and No Server
Every "add AI to your Flutter app" tutorial ends the same way: get an API key, add a billing card, send the user's text to somebody else's server, a…
What are the alternatives to Xcode? Use these tools to restructure your iOS development workflow
Once, just to change an interface field, I spent nearly half an hour switching back and forth between several tools. The code was modified in VSCode…
Watch Apps: One Codebase, Two Real Applications
A watch app is not a second form in the phone process. It is another application on another device, with its own storage, startup sequence, and peri…
Every rejection becomes a check
Every app we ship gets reviewed by someone else's QA. Two someones, actually — Apple and Google — each with its own rulebook, and each rulebook come…
I Built NameSnap With Codex: Five Lessons About AI-Generated App Design
I built an app as an experiment with Codex's design capabilities. The app is called NameSnap Picker. It helps teachers, streamers, coaches, parties,…
The Third-Generation GUI Builder: One Workspace for Every Form
We have rebuilt the Codename One GUI Builder again. This is its third generation. The interesting part is not another drag-and-drop surface. It is w…
Accessible by Platform: How iOS and Android Differ from the Web
The guidelines you know were written for web pages. Native apps borrow their intent and rewrite the mechanics. If your accessibility strategy assume…
Breaking Up Big SwiftUI Views the Right Way
Why computed properties help readability, what @ViewBuilder actually does, and when a separate View type matters Every SwiftUI codebase eventually g…
{{ $('Get Ready Post').item.json.Title }}
Cloud-based AI has two persistent problems for mobile developers: latency, because every inference call is a round trip to a server, and privacy, be…
Building Mathastic Twice: One Math Puzzle Game, Two Native Architectures
I recently released Mathastic , a fast-paced math puzzle game for iOS and Android. I’m Tapadyuti Chatterjee, a software engineer interested in distr…