### Install Expo SDK Packages via npx expo install Source: https://docs.expo.dev/versions/v53.0.0/index Command to install Expo SDK packages using the npx expo install command. This ensures compatible versions are installed and handles dependency resolution automatically. The example shows installing three common packages: expo-camera, expo-contacts, and expo-sensors. ```bash npx expo install expo-camera expo-contacts expo-sensors ``` -------------------------------- ### Install expo-document-picker Source: https://docs.expo.dev/versions/v53.0.0/sdk/document-picker Command to install the expo-document-picker library using npx. This command ensures you get the correct version for your Expo project. ```bash npx expo install expo-document-picker ``` -------------------------------- ### Install expo-store-review Source: https://docs.expo.dev/versions/v53.0.0/sdk/storereview Install the expo-store-review library using npx. Ensure 'expo' is installed if integrating into an existing React Native project. ```bash npx expo install expo-store-review ``` -------------------------------- ### Install react-native-reanimated using npx expo Source: https://docs.expo.dev/versions/v53.0.0/sdk/reanimated Installs the react-native-reanimated library using Expo's package manager. This command ensures compatibility with the current Expo SDK version. The Reanimated Babel plugin is automatically configured via babel-preset-expo, requiring no manual setup. ```bash npx expo install react-native-reanimated ``` -------------------------------- ### Install Expo MediaLibrary Source: https://docs.expo.dev/versions/v53.0.0/sdk/media-library Installs the expo-media-library package using the Expo CLI. Ensure 'expo' is installed if using in an existing React Native project. ```bash npx expo install expo-media-library ``` -------------------------------- ### Install expo-live-photo Source: https://docs.expo.dev/versions/v53.0.0/sdk/live-photo Installs the expo-live-photo library using npx. If integrating into an existing React Native app, ensure 'expo' is also installed. ```bash npx expo install expo-live-photo ``` -------------------------------- ### Install expo-local-authentication Source: https://docs.expo.dev/versions/v53.0.0/sdk/local-authentication Install the expo-local-authentication library using the Expo CLI. Ensure you have Expo installed in your project if it's a React Native app. ```bash npx expo install expo-local-authentication ``` -------------------------------- ### Install expo-localization (Shell) Source: https://docs.expo.dev/versions/v53.0.0/sdk/localization Installs the expo-localization package using the Expo CLI. Requires Node.js and npm/yarn. No runtime inputs; outputs the package in your project. ```bash npx expo install expo-localization ``` -------------------------------- ### Install react-native-webview Source: https://docs.expo.dev/versions/v53.0.0/sdk/webview Command to install the react-native-webview library using npm. Ensure you have Expo installed in your project if integrating into an existing React Native app. ```bash npx expo install react-native-webview ``` -------------------------------- ### Install react-native-safe-area-context Source: https://docs.expo.dev/versions/v53.0.0/sdk/safe-area-context Command to install the react-native-safe-area-context library using npx. Ensure expo is installed for existing React Native projects. ```bash npx expo install react-native-safe-area-context ``` -------------------------------- ### Install react-native-svg with npm Source: https://docs.expo.dev/versions/v53.0.0/sdk/svg This snippet demonstrates how to install the react-native-svg library using npm. It indicates that if you are installing to an existing React Native app, remember to install expo as well followed by the instructions from the library's README. It handles interactive components and animations. ```bash npx expo install react-native-svg ``` -------------------------------- ### Install expo-intent-launcher Source: https://docs.expo.dev/versions/v53.0.0/sdk/intent-launcher Install the `expo-intent-launcher` library using npm or yarn. Ensure `expo` is installed if integrating into an existing React Native project. ```bash npx expo install expo-intent-launcher ``` -------------------------------- ### Install Expo AV with npm Source: https://docs.expo.dev/versions/v53.0.0/sdk/av Command to install expo-av using npm. Requires expo to be installed in the project for existing React Native apps. ```bash npx expo install expo-av ``` -------------------------------- ### Install Expo Camera Component Source: https://docs.expo.dev/versions/v53.0.0/sdk/camera Command to install the `expo-camera` library into your Expo project. Ensure `expo` is installed if integrating into an existing React Native app. ```bash npx expo install expo-camera ``` -------------------------------- ### Install Expo Crypto Source: https://docs.expo.dev/versions/v53.0.0/sdk/crypto Installs the expo-crypto library using the Expo CLI. Ensure you have 'expo' installed if integrating into an existing React Native project. ```bash npx expo install expo-crypto ``` -------------------------------- ### Recording Audio in React Native with Expo AV Source: https://docs.expo.dev/versions/v53.0.0/sdk/audio-av This example shows starting and stopping audio recording using Audio.Recording from expo-av, including permission checks and audio mode setup. Dependencies: expo-av installation; requires microphone permissions. Inputs: Recording preset like HIGH_QUALITY; outputs a URI to the recorded file. Limitations: iOS requires explicit audio mode for silent mode playback; errors handled for permission failures. ```javascript import { useState } from 'react'; import { View, StyleSheet, Button } from 'react-native'; import { Audio } from 'expo-av'; export default function App() { const [recording, setRecording] = useState(); const [permissionResponse, requestPermission] = Audio.usePermissions(); async function startRecording() { try { if (permissionResponse.status !== 'granted') { console.log('Requesting permission..'); await requestPermission(); } await Audio.setAudioModeAsync({ allowsRecordingIOS: true, playsInSilentModeIOS: true, }); console.log('Starting recording..'); const { recording } = await Audio.Recording.createAsync( Audio.RecordingOptionsPresets.HIGH_QUALITY ); setRecording(recording); console.log('Recording started'); } catch (err) { console.error('Failed to start recording', err); } } async function stopRecording() { console.log('Stopping recording..'); setRecording(undefined); await recording.stopAndUnloadAsync(); await Audio.setAudioModeAsync( { allowsRecordingIOS: false, } ); const uri = recording.getURI(); console.log('Recording stopped and stored at', uri); } return (