Checking availability of WLAN feature in WRT
kiran10182
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hamishwillee
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Revision as of 02:03, 13 April 2011
Article Metadata
Tested with
Devices(s): Nokia 5800 XpressMusic
Compatibility
Platform(s): S60 5th Edition
Article
Keywords: device.getServiceObject(), Service.SysInfo, Service.SysInfo.GetInfo()
Created: (25 Dec 2008)
Last edited: hamishwillee
(13 Apr 2011)
Overview
This code snippet checks whether WLAN feature is available in a device by using the SystemInfo Service API of the Web Runtime (WRT) 1.1.
Note: The SystemInfo Service API for WRT 1.1 is only available from S60 5th Edition onwards.
Source file: index.html
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script type="text/javascript" src="basic.js"></script>
<script type="text/javascript" src="WRTKit/WRTKit.js"></script>
<style type="text/css">
@import url("basic.css");
</style>
</head>
<body onload="init()">
</body>
</html>
Source file: basic.js
var systemServiceObj = null;
// Called from the onload event handler to initialize the widget.
function init()
{
try
{
systemServiceObj = device.getServiceObject("Service.SysInfo", "ISysInfo");
}
catch (ex)
{
alert("System Service object cannot be found.");
return;
}
isWLANAvailable();
}
// Feature Information
function isWLANAvailable()
{
// Initialize the criteria for the service object and obtain the
// information
var criteria = new Object();
criteria.Entity = "Features";
criteria.Key = "WLAN";
try {
var result = systemServiceObj.ISysInfo.GetInfo(criteria);
}
catch (ex)
{
alert(ex);
return;
}
if(result.ReturnValue.Status)
alert("WLAN is available");
else
alert("WLAN is not available");
}
Postconditions
- Displays whether WLAN feature is available or not in the device.
