index.android.js

'use strict';

import React, { Component } from 'react';
import {
  AppRegistry,
  StyleSheet,
  View,
  TouchableHighlight,
  StatusBar,
  Text,
  PermissionsAndroid
 } from 'react-native';

import Icon from 'react-native-vector-icons/Ionicons';
import BackgroundGeolocation from 'react-native-background-geolocation';
//import BackgroundGeolocationHeadlessService from './components/lib/BackgroundGeolocationHeadlessService';

async function requestLocationPermission() {
  try {
    const granted = await PermissionsAndroid.requestPermission(PermissionsAndroid.PERMISSIONS.ACCESS_FINE_LOCATION);
    if (granted) {
      console.log("You can location")
    } else {
      console.log("Location permission denied")
    }
  } catch (err) {
    console.warn(err)
  }
}

global.BackgroundGeolocation = BackgroundGeolocation;

import HomeView from './components/HomeView';

export default class Application extends Component {  
  render() {
    return (
      <HomeView />
    );
  }
}

var styles = StyleSheet.create({

});

const BackgroundGeolocationHeadlessService = async (event) => {
    // do stuff
    console.log('[js] BackgroundGeolocationHeadlessService: ', event);

    switch (event.name) {
        case 'boot':
            break;
        case 'terminate':
            break;
        case 'heartbeat':            
            break;
        case 'motionchange':
            break;
        case 'location':
            break;
        case 'geofence':
            break;
        case 'http':
            break;
        case 'schedule':
            break;
        case 'activitychange':
            break;
        case 'providerchange':
            break;
        case 'geofenceschange':
            break;
    }
};

AppRegistry.registerHeadlessTask('BackgroundGeolocation', () => BackgroundGeolocationHeadlessService);



AppRegistry.registerComponent('RNBackgroundGeolocationSample', () => Application);