All Articles
Answering a Refund Request Within 12 Hours: Handling CONSUMPTION_REQUEST in Cloudflare Workers
How to receive the App Store CONSUMPTION_REQUEST notification for your Rork subscription app in Cloudflare Workers and respond to the Send Consumption Information API within 12 hours — with field-by-field mapping and the operational judgment behind it.
Screening Images On Device Before They Appear — Notes on SensitiveContentAnalysis
Implementation notes on blocking inappropriate images before they render, right on the device, for apps that handle AI-generated or user-submitted photos. Covers calling Apple's SensitiveContentAnalysis framework from Swift and wiring it into Rork Max native code or an Expo native module, with the pitfalls I actually hit.
Adding Home-Screen Quick Actions to a Rork App — dynamic items without cold-launch drops
How to implement the long-press quick actions on a Rork (Expo) app icon. Covers static vs dynamic items, the iOS/Android differences, and the cold-launch problem where the action arrives before the router is ready — solved with a hold-and-replay design.
Previewing Files In-App in Rork — calling Quick Look safely from Expo
How to preview PDFs, images, and Office documents in place without sending users out of your app, using Quick Look (QLPreviewController) from Rork (Expo). Covers pre-downloading remote files, the local-URL requirement, the Android FileProvider alternative, and handling the share button.
Adding App Store Promoted In-App Purchases to a Rork App
How to list purchases on your App Store product page and carry a buyer straight into your in-app purchase flow. Covers receiving deferred purchases that arrive before the app is launched or the user is signed in, with implementation for both react-native-iap and StoreKit 2.
Building StandBy-Optimized Widgets in Rork Max
A hands-on walkthrough for tuning WidgetKit widgets for StandBy mode, the landscape charging display in iOS 17+. Covers always-on dimming, night mode, and container backgrounds, including which parts of Rork Max's generated code you still have to finish by hand.
Adding a keyboard toolbar to Rork text inputs — unifying iOS InputAccessoryView and an Android bar into one component
How to add a toolbar pinned above the keyboard — a Done button or quick-insert actions — to the React Native app Rork generates. The iOS InputAccessoryView and a hand-built Android bar, folded into one reusable component, with working code.
Clipboard UX in Expo apps — copy and paste without flooding users with iOS's paste banner
When you wire up copy and paste with expo-clipboard, iOS's paste permission banner can fire constantly and quietly erode trust. Here's exactly when the banner appears, and how hasStringAsync lets you gate a Paste button without ever reading the contents.
Handling iOS Limited Photo Library Access in a Rork (Expo) App
Handle iOS limited photo library access (selected photos only) correctly in a Rork (Expo) app. Covers the three states of full / limited / denied, designing a screen that works from the selected subset, and a path to add more photos, all with working code.
Respecting Metered Connections and Low Data Mode in an Image-Heavy Rork App
In an image-heavy Rork (Expo) app, hold back prefetching on metered connections and Low Data Mode. Read the connection's character from NetInfo details, drop image quality, and defer prefetch with an adaptive policy layer, all with working code.
Designing a Referral System Without a Heavy Backend
Add a referral program to your Rork (Expo) app without standing up a fleet of servers. Covers code generation, deferred deep-link attribution on first launch, idempotent reward fulfillment that never double-pays, and basic guards against self-referral and device farming, all with working code.
When a New Architecture Migration Only Janks in Release Builds — Field Notes on Catching Silent Interop-Layer Fallback
A Rork app on the New Architecture scrolled fine in development but stuttered only in release builds on real devices. The cause: a legacy native module quietly falling back to the interop layer. Field notes on measuring it and rolling out a fix without reverting the whole app.