Make sure your Nokia phone supports inbuilt GPS receiver.
Install Aptana with Nokia WRT Plug-in for Aptana Studio.
Create a new project in Aptana with WRTKit.
1) Paste the below code in the index.html file.
2) Package the widget.
3) Download the package (yourprojectname.wgz) to your Nokia phone and install.
4) Run the application and wait the application to establish connection with the satellites.
5) Have fun!
Javascript example
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>GPS Tracker</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<script type="text/javascript" src="WRTKit/WRTKit.js"></script>
<META NAME="Generator" CONTENT="Nokia WRT plug-in for Aptana Studio 2.3.0" />
<style>
body{background-color:#ffffff;font-size:15px;}
#btnGetLocation{width:100%;margin:5px;height:50px;width:100px;}
#latLabel{text-align:left;margin:5px;width:150px;}
#longLabel{text-align:left;margin:5px;width:150px;}
#statusLabel{text-align:left;margin:5px;width:150px;}
#gpsStatusLabel{padding:5px;text-align:left;margin:5px;height:20px;width:150px;}
.gpsStatusLabelA{background-color:lightgreen;}
.gpsStatusLabelIA{background-color:red;}
#gpsStrengthLabel{text-align:left;margin:5px;width:150px;}
</style>
<script>
var interval=1000;
var TXT_ACTIVE = "Active";
var TXT_INACTIVE = "Inactive";
var TXT_RUNNING="Running";
var TXT_GPSSTATUSLABEL="gpsStatusLabel";
var GPS_INACTIVE = 0;
var GPS_ACTIVE = 1;
var locDataTimer = null;
var serviceObj = null;
var distanceCriteria = null;
var trackCriteria = null;
function updateElement(name,value)
{
document.getElementById(name).innerHTML=value;
if(name == TXT_GPSSTATUSLABEL)
{
if(value == TXT_ACTIVE)
{
document.getElementById(name).setAttribute("class", "gpsStatusLabelA");
}
else
{
document.getElementById(name).setAttribute("class", "gpsStatusLabelIA");
}
}
}
function reset()
{
updateElement("gpsStatusLabel",TXT_INACTIVE);
updateElement("gpsStrengthLabel","");
updateElement("statusLabel","");
updateElement("latLabel","");
updateElement("longLabel","");
}
function initUI()
{
reset();
}
function initSO()
{
try
{
serviceObj = device.getServiceObject("Service.Location", "ILocation");
}
catch (ex)
{
updateElement("statusLabel",ex);
return;
}
// The user cancelled the service object initialization
if (serviceObj.ILocation == null)
{
return;
}
// Specify that location information need not be guaranteed. This helps in
// that the widget doesn't need to wait for that information possibly
// indefinitely.
var updateOptions = new Object();
updateOptions.PartialUpdates = true;
// Initialize the criteria for the GetLocation call
trackCriteria = new Object();
trackCriteria.LocationInformationClass = "GenericLocationInfo";
trackCriteria.Updateoptions = updateOptions;
// Set the timer to tick (update the location data) at one second intervals
locDataTimer = setInterval("tick()", interval);
}
function init()
{
initUI();
initSO();
}
// Called when the locDataTimer's interval elapses
function tick()
{
updateElement("statusLabel",TXT_RUNNING);
try
{
var result = serviceObj.ILocation.GetLocation(trackCriteria);
displayData(result);
}
catch (ex)
{
updateElement("statusLabel",ex);
}
}
// Displays the location data
function displayData(result)
{
if (result.ReturnValue == undefined)
{
return;
}
var latitude = result.ReturnValue.Latitude;
if (!isNaN(latitude))
{
updateElement("latLabel", latitude.toFixed(4) + " \u00B0");
}
var longitude = result.ReturnValue.Longitude;
if (!isNaN(longitude))
{
updateElement("longLabel", longitude.toFixed(4) + " \u00B0");
}
if (!isNaN(latitude) || !isNaN(longitude))
{
// Either latitude or longitude information is received, so we can be
// sure that the GPS is active
changeGPSStatus(GPS_ACTIVE);
}
else
{
changeGPSStatus(GPS_INACTIVE);
}
var numOfSatellites = result.ReturnValue.SatelliteNumView;
if (numOfSatellites == undefined)
{
numOfSatellites = 0;
}
updateElement("gpsStrengthLabel",numOfSatellites);
}
//Changes the GPS status on the status pane
function changeGPSStatus(newStatus)
{
if (newStatus == GPS_ACTIVE)
{
updateElement("gpsStatusLabel",TXT_ACTIVE);
}
else
{
updateElement("gpsStatusLabel",TXT_INACTIVE);
}
}
</script>
</head>
<body onload="init()">
<h3>GPS Tracker</h3>
<table border="1px" width="100%">
<tr>
<td>
GPS:
</td>
<td align="center">
<div id="gpsStatusLabel"></div>
</td>
</tr>
<tr>
<td>
GPS Strength:
</td>
<td align="center">
<div id="gpsStrengthLabel"></div>
</td>
</tr>
<tr>
<td>
Lat:
</td>
<td align="center">
<div id="latLabel"></div>
</td>
</tr>
<tr>
<td>
Long:
</td>
<td align="center">
<div id="longLabel"></div>
</td>
</tr>
<tr>
<td>
Status:
</td>
<td align="center">
<div id="statusLabel"></div>
</td>
</tr>
</table>
</body>
</html>
