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Requirements

  • A React Native project using the latest version
  • iOS and Android platform support (Web is not supported)

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Installation

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Core Dependencies

Install the Privy React Native SDK and its peer dependencies: 
npx expo install expo-apple-authentication expo-application expo-crypto expo-linking expo-secure-store expo-web-browser react-native-passkeys react-native-webview @privy-io/expo-native-extensions @privy-io/expo

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Required Polyfills

Install the necessary polyfills: 
npm i fast-text-encoding react-native-get-random-values @ethersproject/shims
If your app uses the Expo bare workflow (“React Native without Expo”), also run:
npx pod-install

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Configure Polyfills

Create an entrypoint.js file and update your package.json:
entrypoint.js
// Import required polyfills first
import 'fast-text-encoding';
import 'react-native-get-random-values';
import '@ethersproject/shims';
// Then import the expo router
import 'expo-router/entry';
package.json
{
  "name": "<your app name>",
  "main": "entrypoint.js"
}
If you’re using the @solana/web3.js package, install the buffer dependency:
npm i buffer
And add this code after importing react-native-get-random-values:
import 'react-native-get-random-values';
import {Buffer} from 'buffer';
global.Buffer = Buffer;