Handling Media Access with expo-image-picker
Learn how to implement expo-image-picker with a focus on permission handling, preventing memory crashes through compression, and managing the 'cancelled' state to avoid runtime errors.
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Expo OTA Updates: Fast Iteration Without Store Submissions
Expo's OTA update feature lets you ship JavaScript fixes directly to devices, bypassing store review. This guide covers setup, a worked example, and key limitations.
expoMaximizing List Performance in React Native with FlatList
Learn how to replace ScrollView with FlatList, tune keyExtractor, getItemLayout, and initialNumToRender, and measure real‑world gains in frame rate and memory usage.
Managing App Navigation with Expo Router's File-Based System
Stop fighting with massive navigation config files. Learn how Expo Router's file-based system automates routing and deep linking in React Native.
Architecting Secure Data Persistence with Expo Secure Store: Requirements, Design, and Failure Handling
Learn how to design a minimal, reliable secure‑storage layer in Expo. Covering requirements, trust boundaries, operational checks, failure modes, and when to redesign, the guide shows concrete code and diagnostics for real‑world apps.
Stop Using ScrollView for Long Lists: Optimizing React Native FlatList
Learn how to move from ScrollView to FlatList in React Native to handle long datasets. We cover virtualization, getItemLayout, and memory management tips.
reactnativeCombining Bottom Tabs with Independent Stacks in React Navigation v6
Learn how to nest stack navigators inside bottom tabs in React Navigation v6 to give each tab its own navigation history while keeping a shared tab bar.
reactnavigationReact Native Hermes Release White Screen on Cold Start: Diagnostic Guide
Diagnostic guide for React Native apps with Hermes enabled that show a blank white screen on cold start in release builds while debug builds work. Covers bundle packaging, bytecode generation and native build config.
Diagnosing Deep Link Failures in React Navigation v6
Step‑by‑step checklist to identify why React Navigation v6 ignores incoming deep links and how to fix each common cause.