The most sophisticated background location-tracking & geofencing module with battery-conscious motion-detection intelligence for iOS and Android.
Also available for Cordova, NativeScript and pure native apps.
- 🔧 Configuration Options
- ⚡ Events
- 🔹 Methods
- 📘 Guides
$ npm install react-native-background-geolocation --save
import BackgroundGeolocation from "react-native-background-geolocation";import BackgroundGeolocation from "react-native-background-geolocation";
var Foo = React.createClass({
componentWillMount() {
// 1. Wire up event-listeners
// This handler fires whenever bgGeo receives a location update.
BackgroundGeolocation.on('location', this.onLocation);
// This handler fires whenever bgGeo receives an error
BackgroundGeolocation.on('error', this.onError);
// This handler fires when movement states changes (stationary->moving; moving->stationary)
BackgroundGeolocation.on('motionchange', this.onMotionChange);
// This event fires when a chnage in motion activity is detected
BackgroundGeolocation.on('activitychange', this.onActivityChange);
// This event fires when the user toggles location-services
BackgroundGeolocation.on('providerchange', this.onProviderChange);
// 2. #configure the plugin (just once for life-time of app)
BackgroundGeolocation.configure({
// Geolocation Config
desiredAccuracy: 0,
stationaryRadius: 25,
distanceFilter: 10,
// Activity Recognition
stopTimeout: 1,
// Application config
debug: true, // <-- enable this hear sounds for background-geolocation life-cycle.
logLevel: BackgroundGeolocation.LOG_LEVEL_VERBOSE,
stopOnTerminate: false, // <-- Allow the background-service to continue tracking when user closes the app.
startOnBoot: true, // <-- Auto start tracking when device is powered-up.
// HTTP / SQLite config
url: 'http://yourserver.com/locations',
batchSync: false, // <-- [Default: false] Set true to sync locations to server in a single HTTP request.
autoSync: true, // <-- [Default: true] Set true to sync each location to server as it arrives.
headers: { // <-- Optional HTTP headers
"X-FOO": "bar"
},
params: { // <-- Optional HTTP params
"auth_token": "maybe_your_server_authenticates_via_token_YES?"
}
}, function(state) {
console.log("- BackgroundGeolocation is configured and ready: ", state.enabled);
if (!state.enabled) {
BackgroundGeolocation.start(function() {
console.log("- Start success");
});
}
});
}
// You must remove listeners when your component unmounts
componentWillUnmount() {
// Remove BackgroundGeolocation listeners
BackgroundGeolocation.un('location', this.onLocation);
BackgroundGeolocation.un('error', this.onError);
BackgroundGeolocation.un('motionchange', this.onMotionChange);
BackgroundGeolocation.un('activitychange', this.onActivityChange);
BackgroundGeolocation.un('providerchange', this.onProviderChange);
}
onLocation(location) {
console.log('- [js]location: ', JSON.stringify(location));
}
onError(error) {
var type = error.type;
var code = error.code;
alert(type + " Error: " + code);
}
onActivityChange(activityName) {
console.log('- Current motion activity: ', activityName); // eg: 'on_foot', 'still', 'in_vehicle'
}
onProviderChange(provider) {
console.log('- Location provider changed: ', provider.enabled);
}
onMotionChange(location) {
console.log('- [js]motionchanged: ', JSON.stringify(location));
}
});A fully-featured Demo App is available in its own public repo. After first cloning that repo, follow the installation instructions in the README there. This demo-app includes a settings-screen allowing you to quickly experiment with all the different settings available for each platform.
The MIT License (MIT)
Copyright (c) 2015 Chris Scott, Transistor Software
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.