react-native

4 Posts

React Native is a free, open-source framework created by Meta in 2015 for building mobile apps with JavaScript and React. It renders real native UI components on iOS and Android, so one codebase serves both platforms. Hot reloading speeds up development, and native modules let you drop into Swift, Kotlin, or Java when needed. Performance can lag behind native apps for animation-heavy work, and version upgrades are often painful. Large ecosystem, used in apps like Instagram and Discord.

React Native: "main" Has Not Been Registered — Fix

Invariant Violation: "main" has not been registered — here's exactly why AppRegistry throws this on iOS and Android in RN 0.79–0.87, and how to fix it fast.

React Native: "Unimplemented Component: <X>" — Fix

Fix React Native's "Unimplemented component: <X>" and the legacy "requireNativeComponent … was not found in the UIManager" error — a native view manager the JS bundle expects but the compiled app doesn't have

React Native: Cannot Find Module 'react-native/Libraries' — Fix

TS2307 "Cannot find module 'react-native/Libraries/...' or its corresponding type declarations" after upgrading to React Native 0.87? Here's the real cause and the fix.

React Native: TurboModuleRegistry.getEnforcing Not Found — Fix

Fix "TurboModuleRegistry.getEnforcing(...): 'X' could not be found" in React Native — from a skipped rebuild to duplicate react-native copies in a monorepo.