Managing JavaScript Updates in Expo Without App Store Resubmissions
Learn how to use expo-updates to deploy JavaScript fixes to your users instantly, bypassing app store review cycles while managing native runtime compatibility.
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Stopping the Stutter: Optimizing FlatList for Large Datasets in React Native
Stop the 'blanking' effect in React Native lists. Learn how to use getItemLayout and windowSize to optimize FlatList performance for large datasets.
reactnativeDiagnosing and Fixing React Native Native‑Module Linking Failures
When a new native module crashes a React Native app, this guide walks through the symptoms, ordered checks, fixes, and escalation steps to restore a healthy build.
Add a Screen to Expo Router by Creating One File
Skip manual navigator registration: in Expo’s managed workflow, a new file under app/ becomes a route—here is how to add it, wire it into a tab layout, and verify it.
Diagnosing React Native Crashes and Freezes After Enabling Hermes
When you switch a React Native app to the Hermes JavaScript engine, crashes and UI freezes can appear. This guide shows how to spot the symptoms, identify the root causes, run systematic checks, apply fixes, and know when to ask for help.
Store Auth Tokens Safely in Expo with SecureStore – A Practical Guide
Learn how Expo’s SecureStore lets you keep auth tokens encrypted, persistent, and app‑only, with a clear example, size limits, and practical checks.
expoStop Refetching on Every Render: A Practical Guide to useFocusEffect in React Navigation
React Navigation keeps screens mounted after you navigate away, so useEffect fires only once. useFocusEffect scopes side effects to focus events—if you memoize the callback and clean up properly.
reactnavigationExpo Router Makes the File System Your Single Route Table
Expo Router turns files under app/ into routes and URLs, removing duplicate deep-link configuration. See how layouts and dynamic segments work across iOS, Android, and web.
Implementing Dynamic Routing and Shared Layouts with Expo Router
Learn how to replace manual navigation config with Expo Router's file-based system, utilizing dynamic segments and shared layouts for scalable React Native apps.