gistfile1.txt

var isAndroid = false;

if(Titanium.Platform.name == 'android') {
	isAndroid = true;
}

Ti.Geolocation.preferredProvider = Ti.Geolocation.PROVIDER_GPS;
Ti.Geolocation.accuracy = Ti.Geolocation.ACCURACY_BEST;
Ti.Geolocation.distanceFilter = 0;
Ti.Geolocation.purpose = "Save your last known position.";

if (isAndroid) {
	Ti.Geolocation.frequency=10000;	
}

var mainWindow = Ti.UI.createWindow({
	width:'100%',
	height:'100%',
	layout:'vertical',
	backgroundColor:'#401325'
});
mainWindow.open();

var mainView = Ti.UI.createView({
	width:'100%',
	height:'100%',
	layout:'vertical'
});

mainWindow.add(mainView);

var mainMapView = Ti.Map.createView({
	width:'90%',
	top:'5%',
	left:'5%',
	height:'70%',
	borderRadius:10,
	animate:true,
	userLocation:true
});

mainView.add(mainMapView);

var loadTrail = Ti.UI.createButton({
	title:'Load Trail.',
	width:'90%',
	height:'15%',
	top:'5%',
	left:'5%'
});
mainView.add(loadTrail);

	loadTrail.addEventListener('click', function(e) {
		
		var location = JSON.parse(Titanium.App.Properties.getString('last_known_location'));
		
		var mapRegion = {latitude:location.latitude,longitude:location.longitude,latitudeDelta:0.002,longitudeDelta:0.002};
		mainMapView.region = mapRegion;
		
	});
	
var routeCount = 0;
var oldLat = 0;
var oldLong = 0;
	
// Location update daemon.
function doLocationUpdate() {
	Ti.API.info('doLocationUpdate(); - Ran.');
	Ti.Geolocation.getCurrentPosition(function(loc) {
		if (loc.coords) {
			Titanium.App.Properties.setString('last_known_location', JSON.stringify(loc.coords));
		} else {
			alert('Failed to get location data.');
		}
	});
}

if (!isAndroid) {
	setInterval(doLocationUpdate, 15000);	
} else {
	Ti.Geolocation.addEventListener('location', function(e) {
		doLocationUpdate();
	});
	/*
	Ti.Geolocation.addEventListener('heading', function(e) {
		// Do nothing.
		Ti.API.info('Hit the HEADING placeholder geolocation event.');
	});
	*/
}

doLocationUpdate();

var location = JSON.parse(Titanium.App.Properties.getString('last_known_location'));

var mapRegion = {latitude:location.latitude,longitude:location.longitude,latitudeDelta:0.002,longitudeDelta:0.002};
mainMapView.region = mapRegion;

var oldLat = location.latitude;
var oldLong = location.longitude;
var locObj = [];

function doMapUpdate() {
	Ti.API.info('doMapUpdate(); - Ran.');
	if (Ti.App.Properties.getString('last_known_location') != '') { // Make sure LAST KNOWN LOCATION variable has been set.
		
		var location = JSON.parse(Titanium.App.Properties.getString('last_known_location'));
		
		if (location.latitude != oldLat) { // Only update if new position data is available.
			
			Ti.API.info('doMapUpdate(); - Updated Location.');
			
			locObj[routeCount] = {
				name:'maroute' + routeCount,
				color:'yellow',
				width:8,
				points:[{longitude:oldLong,latitude:oldLat},{longitude:location.longitude,latitude:location.latitude}]
			};
			
			mainMapView.addRoute(locObj[routeCount]);
			
			if (routeCount >= 10) {
				mainMapView.removeRoute(locObj[(routeCount - 10)]);
			}
			
			var mapRegion = {latitude:location.latitude,longitude:location.longitude,latitudeDelta:0.002,longitudeDelta:0.002};
			mainMapView.region = mapRegion;
			
			oldLat = location.latitude;
			oldLong = location.longitude;
			routeCount = routeCount + 1;
		
		} else {
			
			Ti.API.info('doMapUpdate(); - Did Not Update Locaiton.');
			
		}
		
	}
	
	// setTimeout(doMapUpdate, 10000);
	
}

doMapUpdate();

setInterval(doMapUpdate, 10000);