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https://github.com/hieuvp/react-native-fingerprint-scanner

Provide Fingerprint, Touch ID, and Face ID Scanner for React Native (Compatible with both Android and iOS)
https://github.com/hieuvp/react-native-fingerprint-scanner

android auth authenticate authentication face face-id faceid fingerprint fingerprint-scanner ios meizu react react-native samsung touch touch-id touchid

Last synced: 3 months ago
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Provide Fingerprint, Touch ID, and Face ID Scanner for React Native (Compatible with both Android and iOS)

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README

        

# React Native Fingerprint Scanner

# Looking for Maintainers

This project is no longer actively maintained by the previous maintainers.
If you would like to propose a PR we can merge it though, it needs your effort to continue!

----

[![React Native Version](https://img.shields.io/badge/react--native-latest-blue.svg?style=flat-square)](http://facebook.github.io/react-native/releases)
[![Version](https://img.shields.io/npm/v/react-native-fingerprint-scanner.svg)](https://www.npmjs.com/package/react-native-fingerprint-scanner)
[![NPM](https://img.shields.io/npm/dm/react-native-fingerprint-scanner.svg)](https://www.npmjs.com/package/react-native-fingerprint-scanner)

React Native Fingerprint Scanner is a [React Native](http://facebook.github.io/react-native/) library for authenticating users with Fingerprint (TouchID).

## Table of Contents

- [Installation](#installation)
- [Compatibility](#compatibility)
- [Example](#example)
- [API](#api)
- [License](#license)

### iOS Version
The usage of the TouchID is based on a framework, named **Local Authentication**.

It provides a **Default View** that prompts the user to place a finger to the iPhone’s button for scanning.




### Android Version
4.0.0 Prefers the new native Android BiometricPrompt lib on any Android >= v23 (M)
4.0.0 also DEPRECATES support for the legacy library that provides support for Samsung & MeiZu phones

3.0.2 and below:
Using an expandable Android Fingerprint API library, which combines [Samsung](http://developer.samsung.com/galaxy/pass#) and [MeiZu](http://open-wiki.flyme.cn/index.php?title=%E6%8C%87%E7%BA%B9%E8%AF%86%E5%88%ABAPI)'s official Fingerprint API.

Samsung and MeiZu's Fingerprint SDK supports most devices which system versions less than Android 6.0.




## Installation

```sh
$ npm install react-native-fingerprint-scanner --save
```
or
```sh
$ yarn add react-native-fingerprint-scanner
```

### Automatic Configuration
For RN >= 0.60
```sh
$ cd ios && pod install
```

For RN < 0.60, use react-native link to add the library to your project:
```sh
$ react-native link react-native-fingerprint-scanner
```

### Manual Configuration

#### iOS

1. In XCode, in the project navigator, right click `Libraries` ➜ `Add Files to [your project's name]`
2. Go to `node_modules` ➜ `react-native-fingerprint-scanner` and add `ReactNativeFingerprintScanner.xcodeproj`
3. To add the library "libReactNativeFingerprintScanner.a" to your project in XCode:
- In the project navigator, select your project.
- Click on the "Build Phases" tab.
- Under "Link Binary With Libraries", click the "+" button to add a new library.
- Search for "libReactNativeFingerprintScanner.a" and select it.
- Click "Add" to add the library to your project.
4. Run your project (`Cmd+R`)

#### Android

1. Open up `android/app/src/main/java/[...]/MainApplication.java`
- Add `import com.hieuvp.fingerprint.ReactNativeFingerprintScannerPackage;` to the imports at the top of the file
- Add `new ReactNativeFingerprintScannerPackage()` to the list returned by the `getPackages()` method
2. Append the following lines to `android/settings.gradle`:
```
include ':react-native-fingerprint-scanner'
project(':react-native-fingerprint-scanner').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-fingerprint-scanner/android')
```
3. Insert the following lines inside the dependencies block in `android/app/build.gradle`:
```
implementation project(':react-native-fingerprint-scanner')
```

### App Permissions

Add the following permissions to their respective files:

#### Android
In your `AndroidManifest.xml`:

API level 28+ (Uses Android native BiometricPrompt) ([Reference](https://developer.android.com/reference/android/Manifest.permission#USE_BIOMETRIC))
```xml

```

API level 23-28 (Uses Android native FingerprintCompat) [Reference](https://developer.android.com/reference/android/Manifest.permission#USE_FINGERPRINT))
```xml

```

// DEPRECATED in 4.0.0
API level <23 (Uses device-specific native fingerprinting, if available - Samsung & MeiZu only) [Reference](https://developer.android.com/reference/android/Manifest.permission#USE_FINGERPRINT))
```xml

```
#### iOS
In your `Info.plist`:

```xml
NSFaceIDUsageDescription
$(PRODUCT_NAME) requires FaceID access to allows you quick and secure access.
```

### Extra Configuration

1. Make sure the following versions are all correct in `android/app/build.gradle`
```
// API v29 enables FaceId
android {
compileSdkVersion 29
buildToolsVersion "29.0.2"
...
defaultConfig {
targetSdkVersion 29
```

2. Add necessary rules to `android/app/proguard-rules.pro` if you are using proguard:
```
# MeiZu Fingerprint

// DEPRECATED in 4.0.0
-keep class com.fingerprints.service.** { *; }
-dontwarn com.fingerprints.service.**

# Samsung Fingerprint

// DEPRECATED in 4.0.0
-keep class com.samsung.android.sdk.** { *; }
-dontwarn com.samsung.android.sdk.**
```

## Compatibility

* For Gradle < 3 you MUST install react-native-fingerprint-scanner at version <= 2.5.0
* For RN >= 0.57 and/or Gradle >= 3 you MUST install react-native-fingerprint-scanner at version >= 2.6.0
* For RN >= 0.60 you MUST install react-native-fingerprint-scanner at version >= 3.0.0
* For Android native Face Unlock, MUST use >= 4.0.0

## Example

[Example Source Code](https://github.com/hieuvp/react-native-fingerprint-scanner/tree/master/examples)

**iOS Implementation**
```javascript
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { AlertIOS } from 'react-native';
import FingerprintScanner from 'react-native-fingerprint-scanner';

class FingerprintPopup extends Component {

componentDidMount() {
FingerprintScanner
.authenticate({ description: 'Scan your fingerprint on the device scanner to continue' })
.then(() => {
this.props.handlePopupDismissed();
AlertIOS.alert('Authenticated successfully');
})
.catch((error) => {
this.props.handlePopupDismissed();
AlertIOS.alert(error.message);
});
}

render() {
return false;
}
}

FingerprintPopup.propTypes = {
handlePopupDismissed: PropTypes.func.isRequired,
};

export default FingerprintPopup;
```

**Android Implementation**
```javascript

import React, { Component } from 'react';
import PropTypes from 'prop-types';
import {
Alert,
Image,
Text,
TouchableOpacity,
View,
ViewPropTypes,
Platform,
} from 'react-native';

import FingerprintScanner from 'react-native-fingerprint-scanner';
import styles from './FingerprintPopup.component.styles';
import ShakingText from './ShakingText.component';

// - this example component supports both the
// legacy device-specific (Android < v23) and
// current (Android >= 23) biometric APIs
// - your lib and implementation may not need both
class BiometricPopup extends Component {
constructor(props) {
super(props);
this.state = {
errorMessageLegacy: undefined,
biometricLegacy: undefined
};

this.description = null;
}

componentDidMount() {
if (this.requiresLegacyAuthentication()) {
this.authLegacy();
} else {
this.authCurrent();
}
}

componentWillUnmount = () => {
FingerprintScanner.release();
}

requiresLegacyAuthentication() {
return Platform.Version < 23;
}

authCurrent() {
FingerprintScanner
.authenticate({ title: 'Log in with Biometrics' })
.then(() => {
this.props.onAuthenticate();
});
}

authLegacy() {
FingerprintScanner
.authenticate({ onAttempt: this.handleAuthenticationAttemptedLegacy })
.then(() => {
this.props.handlePopupDismissedLegacy();
Alert.alert('Fingerprint Authentication', 'Authenticated successfully');
})
.catch((error) => {
this.setState({ errorMessageLegacy: error.message, biometricLegacy: error.biometric });
this.description.shake();
});
}

handleAuthenticationAttemptedLegacy = (error) => {
this.setState({ errorMessageLegacy: error.message });
this.description.shake();
};

renderLegacy() {
const { errorMessageLegacy, biometricLegacy } = this.state;
const { style, handlePopupDismissedLegacy } = this.props;

return (


Biometric{'\n'}Authentication

{ this.description = instance; }}
style={styles.description(!!errorMessageLegacy)}>
{errorMessageLegacy || `Scan your ${biometricLegacy} on the\ndevice scanner to continue`}



BACK TO MAIN



);
}

render = () => {
if (this.requiresLegacyAuthentication()) {
return this.renderLegacy();
}

// current API UI provided by native BiometricPrompt
return null;
}
}

BiometricPopup.propTypes = {
onAuthenticate: PropTypes.func.isRequired,
handlePopupDismissedLegacy: PropTypes.func,
style: ViewPropTypes.style,
};

export default BiometricPopup;
```

## API

### `isSensorAvailable()`: (Android, iOS)
Checks if Fingerprint Scanner is able to be used by now.

- Returns a `Promise`
- `biometryType: String` - The type of biometric authentication supported by the device.
- iOS: biometryType = 'Touch ID', 'Face ID'
- Android: biometryType = 'Biometrics'
- `error: FingerprintScannerError { name, message, biometric }` - The name and message of failure and the biometric type in use.

```javascript
componentDidMount() {
FingerprintScanner
.isSensorAvailable()
.then(biometryType => this.setState({ biometryType }))
.catch(error => this.setState({ errorMessage: error.message }));
}
```

### `authenticate({ description, fallbackEnabled })`: (iOS)
Starts Fingerprint authentication on iOS.

- Returns a `Promise`
- `description: String` - the string to explain the request for user authentication.
- `fallbackEnabled: Boolean` - default to `true`, whether to display fallback button (e.g. Enter Password).

```javascript
componentDidMount() {
FingerprintScanner
.authenticate({ description: 'Scan your fingerprint on the device scanner to continue' })
.then(() => {
this.props.handlePopupDismissed();
AlertIOS.alert('Authenticated successfully');
})
.catch((error) => {
this.props.handlePopupDismissed();
AlertIOS.alert(error.message);
});
}
```

### `authenticate({ title="Log In", subTitle, description, cancelButton="Cancel", onAttempt=() => (null) })`: (Android)
Starts Fingerprint authentication on Android.

- Returns a `Promise`
- `title: String` the title text to display in the native Android popup
- `subTitle: String` the sub title text to display in the native Android popup
- `description: String` the description text to display in the native Android popup
- `cancelButton: String` the cancel button text to display in the native Android popup
- `onAttempt: Function` - a callback function when users are trying to scan their fingerprint but failed.

```javascript
componentDidMount() {
if (requiresLegacyAuthentication()) {
authLegacy();
} else {
authCurrent();
}
}

componentWillUnmount = () => {
FingerprintScanner.release();
}

requiresLegacyAuthentication() {
return Platform.Version < 23;
}

authCurrent() {
FingerprintScanner
.authenticate({ title: 'Log in with Biometrics' })
.then(() => {
this.props.onAuthenticate();
});
}

authLegacy() {
FingerprintScanner
.authenticate({ onAttempt: this.handleAuthenticationAttemptedLegacy })
.then(() => {
this.props.handlePopupDismissedLegacy();
Alert.alert('Fingerprint Authentication', 'Authenticated successfully');
})
.catch((error) => {
this.setState({ errorMessageLegacy: error.message, biometricLegacy: error.biometric });
this.description.shake();
});
}

handleAuthenticationAttemptedLegacy = (error) => {
this.setState({ errorMessageLegacy: error.message });
this.description.shake();
};
```

### `release()`: (Android)
Stops fingerprint scanner listener, releases cache of internal state in native code, and cancels native prompt if visible.

- Returns a `Void`

```javascript
componentWillUnmount() {
FingerprintScanner.release();
}
```

### `Types of Biometrics`

| Value | OS | Description|
|---|---|---|
| Touch ID | iOS | |
| Face ID | iOS | |
| Biometrics | Android | Refers to the biometric set as preferred on the device |

### `Errors`

| Name | Message |
|---|---|
| AuthenticationNotMatch | No match |
| AuthenticationFailed | Authentication was not successful because the user failed to provide valid credentials |
| AuthenticationTimeout | Authentication was not successful because the operation timed out |
| AuthenticationProcessFailed | 'Sensor was unable to process the image. Please try again |
| UserCancel | Authentication was canceled by the user - e.g. the user tapped Cancel in the dialog |
| UserFallback | Authentication was canceled because the user tapped the fallback button (Enter Password) |
| SystemCancel | Authentication was canceled by system - e.g. if another application came to foreground while the authentication dialog was up |
| PasscodeNotSet | Authentication could not start because the passcode is not set on the device |
| DeviceLocked | Authentication was not successful, the device currently in a lockout of 30 seconds |
| DeviceLockedPermanent | Authentication was not successful, device must be unlocked via password |
| DeviceOutOfMemory | Authentication could not proceed because there is not enough free memory on the device |
| HardwareError | A hardware error occurred |
| FingerprintScannerUnknownError | Could not authenticate for an unknown reason |
| FingerprintScannerNotSupported | Device does not support Fingerprint Scanner |
| FingerprintScannerNotEnrolled | Authentication could not start because Fingerprint Scanner has no enrolled fingers |
| FingerprintScannerNotAvailable | Authentication could not start because Fingerprint Scanner is not available on the device |

## License

MIT