Example of startNotification / stopNotification? about react-native-ble-manager HOT 3 CLOSED

BleManager.connect(peripheralId)
    // Uncomment the then() below to add the startNotification
    // .then(() => {
    //   console.log('connected');
    //   return BleManager.startNotification(peripheralId, serviceUUID, characteristicUUID);
    // })
    .then(() => {
      console.log('Notification started');
      return BleManager.write(peripheralId, serviceUUID, characteristicUUID, data);
    })
    .then(() => {
      const resultData1 = new Buffer(data, 'hex');
      console.log(`Write complete: ${resultData1.toString('utf8')}`);
    })
    .then(() => {
      console.log('Attempting to read');
      return BleManager.read(peripheralId, serviceUUID, characteristicUUID);
    })
    .then((readData) => {
      const resultData2 = new Buffer(readData, 'hex');
      console.log(`Read: ${resultData2.toString('utf8')}`);
    })
    .catch((error) => console.log(`error: ${error}`));