A practical, hands-on guide to Bluetooth Low Energy in React Native with Expo and react-native-ble-plx v3: dev builds, iOS/Android permissions, scanning, GATT services, characteristic reads/writes, notifications, and background reconnection.
Learn how to add a WebView to your Expo React Native app in 2026. This guide covers install, postMessage bridging, safe JavaScript injection, cookies, file uploads, debugging with Chrome DevTools, and the security defaults every production app needs.
Install and configure expo-image in React Native: native caching, Blurhash and Thumbhash placeholders, WebP/AVIF, prefetching, and a benchmark vs FastImage.
Why react-native-keyboard-controller has replaced KeyboardAvoidingView for production React Native apps in 2026, with Expo setup, KeyboardAwareScrollView, sticky chat composers, the KeyboardToolbar, worklet animations, and the Android 15 edge-to-edge fix.