All Articles
Keeping a Rork-Built Expo App Ready for Kotlin Migration — Design Notes After Android Studio's Migration Agent Announcement
Android Studio's new agent can migrate React Native apps to native Kotlin. Here is how I restructured a Rork-built Expo app to stay migration-ready: a native dependency audit script, a portable core layer pattern, and a readiness checklist.
When Hiragana Doesn't Match Katakana — Japanese-Aware In-App Search for Rork Apps
A hiragana query silently missing katakana titles is a UX failure users never report. How I fixed Japanese search in my wallpaper app with NFKC normalization, kana folding, and precomputed search keys.
Keeping Manual Fixes Alive Across Rork Regenerations — Boundary Design for AI-Owned Code
A tiny copy-change request quietly reverted my week-old ATT fix. Here is the boundary architecture I use now: a guarded directory, one-line adapters, patch assets, and scoped prompts — with measured blast-radius numbers.
Android 17 Will Ignore Your Portrait Lock — Getting Rork-Built Expo Apps Ready for Large Screens Ahead of Time
Android 17 stops honoring orientation locks and resizability restrictions on large-screen devices. Here is how I assessed the impact on my Rork-built Expo apps, reworked the layouts, and verified everything with nothing but an emulator.
Your Rork App's 'Documents & Data' Keeps Growing — Taming expo-image's Disk Cache
My wallpaper app's binary was 40 MB, yet 'Documents & Data' had ballooned to 2.4 GB. Here is how I diagnosed expo-image's unbounded disk cache and fixed it with cachePolicy tuning, thumbnail URLs, and generational cache clearing.
Schema Versioning for Local Data in Rork Apps — Shipping Updates Without Wiping a Single Favorite
How I stopped losing users' locally stored data when shipping updates to Rork apps. A complete TypeScript migration runner with envelope versioning, backup keys, fixture tests, and the rule that keeps EAS Update schema-neutral.
Building a Developer Debug Menu Into Your Rork App — Verify Ads, Purchases, and Remote Config Before Release
A production-safe developer debug menu for Rork apps — switch environments, force test ads, simulate entitlements, and override Remote Config, with working TypeScript code and the pitfalls I hit running six apps.
Adding a Home Screen Widget to a Rork App — Making WidgetKit Work Within Expo's Constraints
Rork generates Expo apps, and home screen widgets can't be written in React Native. Here's how to wire up WidgetKit with a config plugin and App Groups — including the parts that tripped me up.
Your App Won't Notice the Refund — Revoking Entitlements with REFUND Notifications and the Voided Purchases API
A refund doesn't reach your app on its own — a cached premium flag survives it. Implementation notes on revoking access via App Store Server Notifications V2, Google Play's Voided Purchases API, and RevenueCat.
Deep Links in Rork Max — Universal Links and URL Schemes
A hands-on guide to deep linking in Rork Max apps: when to use URL Schemes vs. Universal Links, the AASA/assetlinks pitfalls, and the cold-start trap — with working examples.
Putting a Wallpaper Shuffle in Control Center — a ControlWidget in a Rork (Expo) App, Rebuilt for iOS 26
Field notes on bolting a Control Center control (ControlWidget) onto a Rork-built React Native wallpaper app — App Group sharing, AppIntent, the Expo config plugin that survives prebuild, and what changed when I rebuilt it for iOS 26 accented rendering.
Your Rork iOS App Won't Build After Adding AdMob Mediation — Untangling Linker Errors and No-Fill Ads
Added Unity Ads, Liftoff, or InMobi mediation adapters to your Rork/Expo iOS app and suddenly hit ld linker errors or ads that never fill? Here's how to isolate the cause by symptom and fix each layer.