| author | Eugene Ostroukhov <eugeneo@symbian.org> |
| Fri, 04 Jun 2010 09:44:40 -0700 | |
| changeset 345 | 7723a46fe224 |
| parent 229 | 716254ccbcc0 |
| permissions | -rw-r--r-- |
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716254ccbcc0
Fixed 2046: WRTKit help topics. Fixed 2170: Added support for Web Developer Library. Fixed 1952: Event Trigger icons unreadable
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<!DOCTYPE html |
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
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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="beep()"/><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-1A678A11-0BDD-4F64-9F40-013F6CDB81D7"/><meta name="DC.Relation" scheme="URI" content="GUID-8A6C9B2B-F130-4174-B105-C89A0E0469E0"/><meta name="DC.Format" content="XHTML"/><meta name="DC.Identifier" content="GUID-F9E3AC4C-2883-450F-835C-B5F8E2AC6325"/><title>beep() </title><script type="text/javascript"> |
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function initPage() {}
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</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-F9E3AC4C-2883-450F-835C-B5F8E2AC6325">beep()</h1><div> |
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<p><strong>Syntax:</strong></p> |
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<pre class="codeblock" id="GUID-871468F0-F7B8-428B-BA9D-2EA0AC8C8F00">[void] sysinfo.beep(Int frequency, Int duration)</pre> |
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<p><strong>Description:</strong></p> |
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<p>The <code>beep</code> method produces a beep tone in a specified frequency for a specified duration.</p> |
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<p><strong>Argument:</strong></p> |
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<ul> |
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<li><p><code>frequency</code>:</p> |
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<p>Defines the frequency of the tone measured in Hz (Hertz).</p> |
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</li> |
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</ul> |
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<div class="note"><p><strong class="note_title">Note: </strong>The maximum and minimum values for frequency are naturally device-specific. If the specified frequency is out of the device's supported range, the maximum frequency is applied.</p> |
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</div> |
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<ul> |
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<li><p><code>duration</code>:</p> |
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<p>Defines the duration of how long the beep tone lasts. The period is measured in milliseconds.</p> |
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<p>If the duration is <code>0</code>, the beep tone will last infinitely.</p> |
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</li> |
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</ul> |
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<p><strong>Return value:</strong></p> |
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<p>This method does not return a value.</p> |
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<p><strong>Remarks:</strong></p> |
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<p>To stop an infinitive beep, call the beep method again with any value that is different from <code>0</code>.</p> |
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<p><strong>Example code:</strong></p> |
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<pre class="codeblock" id="GUID-01F0C36C-6B44-4764-AACF-6766A4836A96">function beepAlert() |
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{
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// call the beep function with frequency 220Hz |
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// for the duration 2 seconds |
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sysinfo.beep(220, 2000); |
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}</pre> |
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</div></div></div><div class="footer"><hr/><div class="copy">© Nokia 2009.</div></div></body></html> |