react-native
React Native mobile development framework
Achieve smooth progressive blur in React Native CLI: blend intensity from top/bottom edges to sharp center using MaskedView, BlurView, and LinearGradient. Code examples, libraries, and troubleshooting for no hard edges.
Fix left alignment of Heart icon in React Navigation Stack.Screen headerRight using Tailwind. Override with headerRightContainerStyle for perfect centering in react native navigation across iOS and Android.
Learn how to consistently set Android navigation bar color in Expo using expo-navigation-bar. Fix black on Redmi, dim gray on OnePlus with app.json config, runtime API, and EAS Build for uniform results across devices.
Automate Bluetooth tests on Android for React Native apps using Detox for UI flows. Combine with Espresso or peripheral simulators to verify BLE/GATT behavior.
Prevent react-native-video from shrinking in fullscreen landscape when swiping Android navigation bar. Use useTextureView={false} for SurfaceView to keep video fullscreen, avoid black bars and home screen leaks. Android tips included.
Learn how to access video dimensions in expo-video without naturalSize. Implement Instagram-style pixel-perfect video players with proper dimension handling.
Troubleshoot React Native Android app crashes when accessing DevTools. Solutions for Metro connectivity, debug mode, and emulator configuration issues.
Resolve 'Uncaught Error: Component auth has not been registered yet' in Firebase Auth for React Native/Expo. Use initializeAuth with AsyncStorage, Metro config fixes, and singleton patterns for reliable setup.