Quick Example a basic IOS Module for Appcelerator Titanium to demonstrate geofencing

app.js

var ci_geofencing = require('ci.geofencing');
Ti.API.info("module is => " + ci_geofencing);

var regions = []
regions.push({
	"title" : "Willis Tower",
	"latitude" : 41.878844,
	"longitude" : -87.635942,
	"radius" : 100
});

regions.push({
	"title" : "Lincoln Park Zoo",
	"latitude" : 41.92007,
	"longitude" : -87.63251,
	"radius" : 500
});

regions.push({
	"title" : "Chicago Theater",
	"latitude" : 41.88535,
	"longitude" : -87.62745,
	"radius" : 200
});
//
// when firing an event you will get information like this
// {
//    "source": {
//      "id": "ci.geofencing"
//    },
//    "identifier": "Willis Tower",
//    "type": "exited_region" | "entered_region" | "monitoring_region"
//  }
//
ci_geofencing.startGeoFencing(regions, function(event) {
	Ti.API.info('info ' + JSON.stringify(event, null, 2));
	
	if ( event.type === "exited_region") {
		ci_geofencing.stopGeoFencing();
	}
});