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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><meta name="copyright" content="(C) Copyright 2009"/><meta name="DC.rights.owner" content="(C) Copyright 2009"/><meta name="DC.Type" content="mobileconcept"/><meta name="DC.Title" content="SystemInfo Service API example"/><meta name="DC.Relation" scheme="URI" content="GUID-1D78998F-2A45-4100-AAD0-FCCAC300DBC1"/><meta name="DC.Relation" scheme="URI" content="GUID-7C69DDA4-16F1-4A8F-BDB2-4CB0015B4E81"/><meta name="DC.Relation" scheme="URI" content="GUID-65AAF569-D347-462B-B59A-9D7CA184AB9C"/><meta name="DC.Relation" scheme="URI" content="GUID-AEB26A58-1DE2-46CB-81EC-6DB3A477B7A3"/><meta name="DC.Format" content="XHTML"/><meta name="DC.Identifier" content="GUID-7C9CCFF3-A6E0-4593-8315-1A0EAAFD05AF"/><title>SystemInfo Service API example </title><script type="text/javascript">
function initPage() {}
</script><link href="../PRODUCT_PLUGIN/book.css" rel="stylesheet" type="text/css"/><link href="css/s60/style.css" rel="stylesheet" type="text/css" media="all"/></head><body onload="initPage();"><div class="body"><div class="contentLeft prTxt"><h1 class="pageHeading" id="GUID-7C9CCFF3-A6E0-4593-8315-1A0EAAFD05AF">SystemInfo Service API example</h1><div>
<p/>
<p>This section presents the full source code of a working sample widget
for the <a href="GUID-E0ED671A-BBDA-4C07-828F-BD35782D9B36.html#GUID-E0ED671A-BBDA-4C07-828F-BD35782D9B36">SystemInfo
Service</a>. You can download the <code>wgz</code> package for
this widget from section <a href="GUID-775005BC-2FF8-45A9-BBA6-6CED6B5780A2.html#GUID-775005BC-2FF8-45A9-BBA6-6CED6B5780A2">Example widgets</a>.</p>
<p>For general information about creating widgets, see section <a href="GUID-0E3095DB-03FF-4240-83F2-6D876AD2083A.html#GUID-0E3095DB-03FF-4240-83F2-6D876AD2083A">Widget component files</a>.</p>
<p>For widget development and debugging purposes, this example writes its
output to <code>c:\data\jslog_widget.log</code> using <code>console.info</code>.
For instructions on how to enable logging in the Web browser for S60, see
section <a href="GUID-B584CA90-543B-4AED-B134-A3A616259DB9.html#GUID-B584CA90-543B-4AED-B134-A3A616259DB9">JavaScript console</a>.</p>
<div><h3>Info.plist</h3>
<pre class="codeblock" id="GUID-7B7E64B5-53C1-441B-AC88-E22FCCA9257D"><?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Nokia//DTD PLIST 1.0//EN" "http://www.nokia.com/NOKIA_COM_1/DTDs/plist-1.0.dtd">
<plist version="1.0">
<dict>
<key>DisplayName</key>
<string>SysInfoSample</string>
<key>Identifier</key>
<string>com.nokia.widget.sapi.sysinfo.sample</string>
<key>Version</key>
<string>1.0</string>
<key>MainHTML</key>
<string>sysinfo-sample.html</string>
</dict>
</plist></pre>
</div>
<div><h3>sysInfo-sample.html</h3>
<pre class="codeblock" id="GUID-A3011DD3-5720-4704-8330-12BC1DE02DBD"><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<script type="text/javascript" src="js/common.js"></script>
<script type="text/javascript" src="js/sysinfo-sample.js"></script>
</head>
<body id='docBody' bgcolor="#ddeeff" onload="setup()" style=width:100%;height:100%;>
<form name="frm">
<h3>Sysinfo API Sample Widget</h3>
<input type="button" onclick="getSysInfo('img1')" value="GetSysInfo"><img id="img1" src="pic/blank.png" width="25" height="25" align="center"><br>
<input type="button" onclick="setSysInfo('img2')" value="SetSysInfo"><img id="img2" src="pic/blank.png" width="25" height="25" align="center"><br>
<input type="button" onclick="getSysInfoAsync('img3')" value="GetSysInfoAsync"><img id="img3" src="pic/blank.png" width="25" height="25" align="center"><br>
<input type="button" onclick="getNotification('img4')" value="GetNotification"><img id="img4" src="pic/blank.png" width="25" height="25" align="center"><br>
<input type="button" onclick="cancelGetSysInfoAsync('img5')" value="CancelGetSysInfoAsync"><img id="img5" src="pic/blank.png" width="25" height="25" align="center"><hr>
<div class='sysinfo' id='sysinfo' bgcolor="#ddeeff" style=width:100%;height:100%;overflow:auto></div>
</form>
</body>
</html></pre>
</div>
<div><h3>common.js</h3>
<pre class="codeblock" id="GUID-88C7ECB0-6656-4C16-9B9C-846E61F1AFF7">// common.js
//
// This file contains some utility functions
// Check the error code and show the information to users
function checkError(message, resultList, divId, imgId)
{
var errCode = resultList.ErrorCode;
var msg = "";
if (errCode) {
msg = message + "<BR>" + "Failed Error: " + errCode + "<BR>";
if(resultList.ErrorMessage != undefined)
msg += "Error Message: " + resultList.ErrorMessage;
showIMG(imgId,"no");
} else {
showIMG(imgId,"yes");
}
//print error message
if(divId != null && divId != undefined)
document.getElementById(divId).innerHTML = msg;
console.info(msg);
return errCode;
}
// Build the message by reading a iteratorable list in a recursive manner
function showIterableList(iterator)
{
var msg = "";
try
{
iterator.reset();
var item;
while (( item = iterator.getNext()) != undefined ){
msg += showObject( item );
}
}
catch(e)
{
alert('<showIterableList> ' + e);
}
return msg;
}
// Build the message by reading a JS object in a recursive manner
function showObject( obj )
{
var txt = "";
try {
if ( typeof obj != 'object' )
return "" + obj + '<BR/>';
else {
for(var key in obj) {
txt += key + ":";
txt += showObject( obj[key] );
txt += '<BR/>';
}
txt += '<BR/>';
}
}
catch (e)
{
alert("showObject: " + e);
}
return txt;
}
// Show the image to indicate the test result
function showIMG(imgId, isOK)
{
if(imgId == null || imgId == undefined)
return;
if(isOK == "yes")
document.getElementById(imgId).src = "pic/yes.png";
else if(isOK == "no")
document.getElementById(imgId).src = "pic/no.png";
else
document.getElementById(imgId).src = "pic/blank.png";
}
// Show elements in object by using 'alert'
function testObject(obj)
{
var msg = "";
for(var key in obj) {
msg = msg + ":" + key + "=" + obj[key];
}
alert(msg);
}
// Test whether the input is numeric
function IsNumeric(sText)
{
var ValidChars = "0123456789.";
var IsNumber=true;
var Char;
for (i = 0; i < sText.length && IsNumber == true; i++)
{
Char = sText.charAt(i);
if (ValidChars.indexOf(Char) == -1)
{
IsNumber = false;
}
}
return IsNumber;
}</pre>
</div>
<div><h3>sysInfo-sample.js</h3>
<pre class="codeblock" id="GUID-1F051C8C-63E5-46EC-98F3-7138EF3C0A84">// sysinfo-sample.js
//
// In this sample system information will be listed and changed; The
// notification will be send when the system info changes; Also,
// async operation will be canceled.
//
//SAPI Error Codes
// 0 - Success
// 1000 - InvalidServiceArgument
// 1001 - UnknownArgumentName
// 1002 - BadArgumentType
// 1003 - MissingArgument
// 1004 - ServiceNotSupported
// 1005 - ServiceInUse
// 1006 - ServiceNotReady
// 1007 - NoMemory
// 1008 - HardwareNotAvailable
// 1009 - ServerBusy
// 1010 - EntryExists
// 1011 - AccessDenied
// 1012 - NotFound
// 1013 - UnknownFormat
// 1014 - GeneralError
// 1015 - CancelSuccess
// 1016 - ServiceTimedOut
// 1017 - PathNotFound
// Declare the service object
var so;
// imgid for callback1 function
var imgid_callback1;
// imgid for callback2 function
var imgid_callback2;
// imgid for callback3 function
var imgid_callback3;
// id of the div used to display information
const DIV_ID = 'sysinfo';
// Called from onload()
function setup()
{
try {
so = device.getServiceObject("Service.SysInfo", "ISysInfo");
console.info("setup: so: %s", so);
}
catch (e) {
alert('<setup> ' +e);
}
}
//Get SysInfo
function getSysInfo(imgId)
{
// get the entity
var entity = prompt("Please enter the Entry", "General");
var key = prompt("Please enter the Key", "VibraActive");
var criteria = new Object();
criteria.Entity = entity;
criteria.Key = key;
try {
var result = so.ISysInfo.GetInfo(criteria);
if(!checkError("ISysInfo::getSysInfo",result,DIV_ID,imgId)) {
document.getElementById(DIV_ID).innerHTML = showObject(result.ReturnValue);
}
}
catch (e) {
showIMG(imgId,"no");
alert ("getSysInfo: " + e);
}
}
//Set SysInfo
function setSysInfo(imgId)
{
// get the entity
var entity = prompt("Please enter the Entry", "General");
var key = prompt("Please enter the Key", "VibraActive");
var vals = prompt("Please enter the new Value", 0);
var systemData = new Object();
if(IsNumeric(vals)) {
systemData.Status = parseInt(vals);
} else {
systemData.StringData = vals;
}
var criteria = new Object();
criteria.Entity = entity;
criteria.Key = key;
criteria.SystemData = systemData;
try {
var result = so.ISysInfo.SetInfo(criteria);
checkError("ISysInfo::setSysInfo",result,DIV_ID,imgId);
}
catch (e) {
showIMG(imgId,"no");
alert ("setSysInfo: " + e);
}
}
//Get SysInfo
function getSysInfoAsync(imgId)
{
// get the entity
var entity = prompt("Please enter the Entry", "Network");
var key = prompt("Please enter the Key", "HomeNetwork");
var criteria = new Object();
criteria.Entity = entity;
criteria.Key = key;
try {
imgid_callback1 = imgId;
var result = so.ISysInfo.GetInfo(criteria, callback1);
if(!checkError("ISysInfo::getSysInfoAsync",result,DIV_ID,imgId))
showIMG(imgId, "");
}
catch (e) {
showIMG(imgId,"no");
alert ("getSysInfoAsync: " + e);
}
}
// set callback function for notification
function getNotification(imgId)
{
// get the entity
var entity = prompt("Please enter the Entry", "General");
var key = prompt("Please enter the Key", "VibraActive");
var criteria = new Object();
criteria.Entity = entity;
criteria.Key = key;
try {
imgid_callback2 = imgId;
var result = so.ISysInfo.GetNotification(criteria,callback2);
if(!checkError("ISysInfo::getNotification",result,DIV_ID,imgId))
showIMG(imgId, "");
}
catch (e) {
showIMG(imgId,"no");
alert ("setSysInfo: " + e);
}
}
//Ccancel SysInfo
function cancelGetSysInfoAsync(imgId)
{
// get the entity
var entity = prompt("Please enter the Entry", "Network");
var key = prompt("Please enter the Key", "HomeNetwork");
var criteria = new Object();
criteria.Entity = entity;
criteria.Key = key;
try {
imgid_callback3 = imgId;
var result = so.ISysInfo.GetInfo(criteria, callback3);
if(!checkError("ISysInfo::cancelGetSysInfoAsync",result,DIV_ID,imgId)){
var criteria2 = new Object();
criteria2.TransactionID = result.TransactionID;
var cresult = so.ISysInfo.Cancel(criteria2);
checkError("ISysInfo::cancelGetSysInfoAsync",cresult,DIV_ID,imgId);
}
}
catch (e) {
showIMG(imgId,"no");
alert ("cancelGetSysInfoAsync: " + e);
}
}
// This is the asynchronous callback handler
function callback1(transId, eventCode, result)
{
console.info("callback1: transId: %d eventCode: %d result.ErrorCode: %d", transId, eventCode, result.ErrorCode);
if(!checkError("callback1::getSysInfoAsync",result,DIV_ID,imgid_callback1)) {
document.getElementById(DIV_ID).innerHTML = showObject(result.ReturnValue);
}
}
// This is the asynchronous callback handler
function callback2(transId, eventCode, result)
{
console.info("callback2: transId: %d eventCode: %d result.ErrorCode: %d", transId, eventCode, result.ErrorCode);
if(!checkError("callback2::getNotification",result,DIV_ID,imgid_callback2)) {
document.getElementById(DIV_ID).innerHTML = "Got Notification!Following settings changed!\n" + showObject(result.ReturnValue);
}
}
// This is the asynchronous callback handler
function callback3(transId, eventCode, result)
{
console.info("callback3: transId: %d eventCode: %d result.ErrorCode: %d", transId, eventCode, result.ErrorCode);
if(!checkError("callback3::getNotification",result,DIV_ID,imgid_callback3)) {
document.getElementById(DIV_ID).innerHTML = showObject(result.ReturnValue);
}
}</pre>
</div>
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