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expo-local-authentication
Advanced tools
expo-local-authentication
Provides an API for FaceID and TouchID (iOS) or the Fingerprint API (Android) to authenticate the user with a face or fingerprint scan.
Provides an API for FaceID and TouchID (iOS) or the Fingerprint API (Android) to authenticate the user with a face or fingerprint scan.
API documentation
Installation in managed Expo projects
For managed Expo projects, please follow the installation instructions in the API documentation for the latest stable release.
Installation in bare React Native projects
For bare React Native projects, you must ensure that you have installed and configured the expo package before continuing.
Add the package to your npm dependencies
npx expo install expo-local-authentication
Configure for Android
No additional set up necessary.
This module requires permissions to access the biometric data for authentication purposes. The USE_BIOMETRIC and USE_FINGERPRINT permissions are automatically added.
<!-- Added permissions -->
<uses-permission android:name="android.permission.USE_BIOMETRIC" />
<uses-permission android:name="android.permission.USE_FINGERPRINT" />
Configure for iOS
Run npx pod-install after installing the npm package.
Add NSFaceIDUsageDescription to your Info.plist:
<key>NSFaceIDUsageDescription</key>
<string>Allow $(PRODUCT_NAME) to use FaceID</string>
Contributing
Contributions are very welcome! Please refer to guidelines described in the contributing guide.
FAQs
Provides an API for FaceID and TouchID (iOS) or the Fingerprint API (Android) to authenticate the user with a face or fingerprint scan.
The npm package expo-local-authentication receives a total of 69,368 weekly downloads. As such, expo-local-authentication popularity was classified as popular.
We found that expo-local-authentication demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 32 open source maintainers collaborating on the project.
Package last updated on 10 Jan 2025
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