All Articles
Adding iOS 18 Dark / Tinted Icons and Android Themed Icons to a Rork App
A practical walkthrough for shipping iOS 18 dark and tinted icons and Android 13+ themed icons from a Rork-generated project. Asset prep, Expo config, cache pitfalls when replacing icons, and what App Store Connect actually checks for.
Implementing CallKit + PushKit in Rork: Native Call UI and VoIP Push for Voice & Video Apps
A practical, production-grade walkthrough for wiring CallKit and PushKit into a Rork-built voice or video calling app — covering token lifecycle, audio sessions, App Store review risks, and the WebRTC handoff.
The Warning You Get When You Nest a FlatList Inside a ScrollView in Rork — Patterns That Actually Fix It
When you build a screen in Rork with a header and a long list below it, you'll see the 'VirtualizedLists should never be nested' warning. Here's why it happens and the right ways to fix it using ListHeaderComponent, SectionList, and FlashList.
Implementing Screen Recording and Broadcast in Rork Max — A Production Guide for ReplayKit and MediaProjection
Integrate iOS ReplayKit and Android MediaProjection into your Rork Max app for gameplay recording, tutorial creation, and live broadcasting—covering the full production pipeline.
Rork × AI Moderation Production Guide: Reporting, Auto-Review, and Tiered Sanctions for UGC Apps
A complete production-grade guide to layering AI moderation, reporting, and tiered sanctions into your Rork UGC app. Includes a working three-layer pipeline using OpenAI Moderation, Perspective API, and Cloudflare Workers Queues.
Fix Disappearing Characters and Jumping Cursors in Rork TextInputs (3 Patterns)
Three state-related patterns that cause TextInput characters to vanish or cursors to jump in Rork-generated React Native apps, with the exact code changes that fix each one.
How to Track Down 'undefined is not an object' Errors in Rork — Fast
Read Hermes' 'undefined is not an object' error correctly in Rork — five typical causes with code, plus debugging steps when stack traces look unhelpful.
A Prompt Engineering Blueprint for Building Mobile Apps with Rork
How to design instructions to Rork so it returns the implementation you actually want when building mobile apps. A practical methodology distilled from real shipping experience.
Why Your Rork App Loses Data After an iCloud Restore (and How to Fix It)
If users complain that 'everything was wiped after switching iPhones,' the cause is almost always your iCloud backup configuration. This guide walks through how AsyncStorage, Documents, and Keychain behave on restore in a Rork app — and the exact settings you need to keep user state intact.
Bluetooth Low Energy in Rork Apps — A Practical BLE Guide with react-native-ble-plx
A hands-on guide to talking to BLE peripherals — heart-rate monitors, smart locks, custom IoT boards — from a Rork-built app. Covers permissions, scanning, connection, read/write, and disconnect handling with real code.
Implementing App Tracking Transparency in Rork: How to Pass App Store Review
How to implement App Tracking Transparency (ATT) in Rork-built iOS apps so they pass App Store review on the first try, with the right Info.plist copy, prompt timing, and graceful fallback when users deny tracking.
Designing a Subscription Entitlement State Machine in Rork — Never Misidentify Who Has Access Right Now
Design a subscription entitlement state machine in Rork that never confuses refunds, family sharing, cancel, resubscribe, or grace periods. Production-ready code and pitfalls included.