import EasyBluetooth from 'easy-bluetooth-classic';

...

    var config = {
      "uuid": "00001101-0000-1000-8000-00805f9b34fb",
      "deviceName": "Bluetooth Example Project",
      "bufferSize": 1024,
      "characterDelimiter": "\n"
    }

    EasyBluetooth.init(config)
      .then(function (config) {
        console.log("config done!");
      })
      .catch(function (ex) {
        console.warn(ex);
      });

    EasyBluetooth.startScan()
      .then(function (devices) {
        console.log("all devices found:");
        console.log(devices);
      })
      .catch(function (ex) {
        console.warn(ex);
      });

    EasyBluetooth.connect(device)
      .then(() => {
        console.log("Connected!");
      })
      .catch((ex) => {
        console.warn(ex);
      })

    EasyBluetooth.writeln("Works in React Native!")
      .then(() => {
        console.log("Writing...")
      })
      .catch((ex) => {
        console.warn(ex);
      })

componentWillMount() {
    this.onDeviceFoundEvent = EasyBluetooth.addOnDeviceFoundListener(this.onDeviceFound.bind(this));
    this.onStatusChangeEvent = EasyBluetooth.addOnStatusChangeListener(this.onStatusChange.bind(this));
    this.onDataReadEvent = EasyBluetooth.addOnDataReadListener(this.onDataRead.bind(this));
    this.onDeviceNameEvent = EasyBluetooth.addOnDeviceNameListener(this.onDeviceName.bind(this));
}
...
  onDeviceFound(device) {
    console.log("onDeviceFound");
    console.log(device);
  }

  onStatusChange(status) {
    console.log("onStatusChange");
    console.log(status);
  }

  onDataRead(data) {
    console.log("onDataRead");
    console.log(data);
  }
  
  onDeviceName(name) {
    console.log("onDeviceName");
    console.log(name);
  }
...
componentWillUnmount() {
    this.onDeviceFoundEvent.remove();
    this.onStatusChangeEvent.remove();
    this.onDataReadEvent.remove();
    this.onDeviceNameEvent.remove();
}