A very simple Bluetooth advertiser and scanner for React Native.
- ReactNative 0.71+
- Android 21+
- Bluetooth API 5.0+
- Android Advertiser
- Android Scanner
- iOS Advertiser
- iOS Scanner
npm install react-native-ble-phone-to-phone --saveor
yarn add react-native-ble-phone-to-phoneIn the AndroidManifest.xml file, add the Bluetooth permissions
<uses-permission android:name="android.permission.BLUETOOTH"/>
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>Import the module
import {
advertiseStart,
advertiseStop,
} from 'react-native-ble-phone-to-phone';Define uuid to start advertise. or Start advertise without uuid.
const uuid = '26f08670-ffdf-40eb-9067-78b9ae6e7919';
advertiseStart(uuid);
advertiseStart();Stop advertising
advertiseStop();Import the modules
import {
BlePhoneToPhoneEvent,
scanStart,
scanStop,
} from 'react-native-ble-phone-to-phone'
import { NativeEventEmitter, NativeModules } from 'react-native';Register a listener to collect the devices through ReactNative events.
const eventEmitter = new NativeEventEmitter(NativeModules.BLEAdvertiser);
eventEmitter.addListener('foundUuid', (data) => {
console.log('> foundUuid data : ', data) // found uuid
});
eventEmitter.addListener('foundDevice', (data) =>
console.log('> foundDevice data : ', data) // found device
);
eventEmitter.addListener('error', (error) =>
console.log('> error : ', error) // error message
);
eventEmitter.addListener('log', (log) =>
console.log('> log : ', log) // log message
);Start scanning with uuid array of strings
const uuids = [
'26f08670-ffdf-40eb-9067-78b9ae6e7919',
'342730d1-9221-4da0-ab8b-bbd7da07ca62',
];
scanStart(uuids.join()); If you need to scan all the nearby devices, Start scanning without uuid array
scanStart(); Stop scanning
scanStop();
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