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How-to use systeminfo API in WRT widgets

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[[Category:Code Examples]][[Category:Symbian Web Runtime]][[Category:How To]]
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[[Category:Symbian Web Runtime]][[Category:Symbian Web Runtime]]
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|id=
 
|id=
 
|platform=S60
 
|platform=S60
 
|devices=
 
|devices=
|category=Web Runtime (WRT 1.0)
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|subcategory=System information  
 
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|creationdate=October 3, 2007   
 
|creationdate=October 3, 2007   
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Compatibility: '''''WRT 1.0, Platform Services 1.0'''''
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|sourcecode= <!-- Link to example source code (e.g. [[Media:The Code Example ZIP.zip]]) -->
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|installfile= <!-- Link to SIS (or WGZ etc.) installation file (e.g. [[Media:The Installation File.sis]]) -->
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|devices= <!-- Devices tested against (e.g. ''devices=N95, N8'') -->
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|sdk= <!-- SDK(s) built and tested against (e.g. [http://linktosdkdownload/ Nokia Qt SDK 1.1]) -->
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|platform= S60, WRT 1.0, Platform Services 1.0 <!-- Compatible platforms (e.g. ''Symbian^1 and later, Qt 4.6 and later'') -->
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|devicecompatability= <!-- Compatible devices (e.g.: ''All* (must have internal GPS)'' ) -->
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|signing=Not required
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|capabilities=<!-- Capabilities required by the article/code example (e.g. Location, NetworkServices. -->
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|keywords= System Information API , sysinfo, WRT 1.0, Platform Services 1.0
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== Defining HTML ==
 
== Defining HTML ==
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</code>[[Category:Code Examples]][[Category:How To]]

Revision as of 08:13, 25 May 2011


Article Metadata
Compatibility
Platform(s): S60
Article
Keywords: System Information API , sysinfo, WRT 1.0, Platform Services 1.0
Created: (03 Oct 2007)
Last edited: hamishwillee (25 May 2011)


Article Metadata
Compatibility
Platform(s): S60, WRT 1.0, Platform Services 1.0
Platform Security
Signing Required: Not required
Article
Keywords: System Information API , sysinfo, WRT 1.0, Platform Services 1.0
Created: ()
Last edited: hamishwillee (25 May 2011)

Defining HTML

To enable system info API in widgets it needs to be embedded in the document since it is implemented as a netscape scriptable plug-in.

  <embed type="application/x-systeminfo-widget" hidden="yes"></embed>

HTML example

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" 
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<script type="text/javascript" src="api.js" />
<body onload="testapi()">
<embed type="application/x-systeminfo-widget" hidden="yes"></embed>
</body>
</html>

JavaScript

  • Lets use the [void] sysinfo.beep(Int frequency, Int duration) api as an example : It produces a beep tone in a specified frequency for a specified duration.
function testapi() 
// First lets get the reference to the sysinfo object.
var sysinfo = document.embeds[0];
//
sysinfo.beep(5000, 900);
};
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