Get phone's location, altitude, accuracy and speed - Appcelerator Titanium

app.js

Titanium.Geolocation.getCurrentPosition(function(e)
{
     if (!e.success || e.error)
     {
          currentLocation.text = 'error: ' + JSON.stringify(e.error);
        Ti.API.info("Code translation: "+translateErrorCode(e.code));
        alert('error ' + JSON.stringify(e.error));
        return;
    }
    var longitude = e.coords.longitude;
    var latitude = e.coords.latitude;
    var altitude = e.coords.altitude;
    var heading = e.coords.heading;
    var accuracy = e.coords.accuracy;
    var speed = e.coords.speed;
    var timestamp = e.coords.timestamp;
    var altitudeAccuracy = e.coords.altitudeAccuracy;
    Ti.API.info('speed ' + speed);
}