Symbian3/PDK/Source/GUID-40B9136A-B91B-5FF4-A44D-CA6925F19B14.dita
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 11 Jun 2010 15:24:34 +0100
changeset 9 59758314f811
parent 5 f345bda72bc4
child 12 80ef3a206772
permissions -rw-r--r--
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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<?xml version="1.0" encoding="utf-8"?>
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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<!-- This component and the accompanying materials are made available under the terms of the License 
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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"Eclipse Public License v1.0" which accompanies this distribution, 
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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<!-- Initial Contributors:
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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    Nokia Corporation - initial contribution.
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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Contributors: 
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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-->
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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<!DOCTYPE concept
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<concept xml:lang="en" id="GUID-40B9136A-B91B-5FF4-A44D-CA6925F19B14"><title>Feature Discovery Overview</title><shortdesc>Provides a set of APIs that are used to initate a feature discovery operation. </shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody><section><title>Purpose</title> <p>Feature discovery provides a set of APIs to discover if a feature or feature set is supported and available. </p> </section> <section><title>Required background</title> <p>The feature management system uses the standard client server architecture that is the feature manager server does the work associated with the feature management functionality. Communication between the application and the server is undertaken by two dlls which contain the required API. </p> </section> <section><title>Architecture</title> <p>The relationship between the parts of the feature management system is : </p> <fig id="GUID-FAFC39CE-B585-5C3F-A6DA-DE4BFEB8CE31"><title>
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents: 5
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             Architecture of the feature management system 
59758314f811 Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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          </title> <image href="GUID-CE79D1B9-2770-5494-A741-D98DE3EBFA05_d0e569407_href.png" placement="inline"/></fig> </section> <section id="GUID-044747C8-90DF-5C93-B0E1-310F283E8894"><title>APIs</title> <p>This component provides one set of APIs that can be used to communicate with the feature management server. </p> <table id="GUID-C141A34B-4F52-5520-B107-E05271DDF614"><tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/><thead><row><entry>API</entry> <entry>Description</entry> </row> </thead> <tbody><row><entry><p> <xref href="GUID-7C19450F-41CF-3293-B8BF-4A4D6F795155.dita"><apiname>TFeatureSet</apiname></xref>  </p> </entry> <entry><p>Used to determine if multiple features are supported. </p> </entry> </row> <row><entry><p> <xref href="GUID-2C9E6E72-2858-37A1-9D43-4E8086569520.dita"><apiname>CFeatureDiscovery</apiname></xref>  </p> </entry> <entry><p>Used to determine if a feature is supported. </p> </entry> </row> </tbody> </tgroup> </table> </section> <section><title>Typical uses</title> <p>The APIs provided by this dll are for use by third parties </p> <ul><li id="GUID-DBC7434D-75B2-5186-BBBE-308B037F513D"><p>A third party app wants to find out if the device can execute it : there is no point installing an application needing a camera, if one is not present on the device. </p> </li> <li id="GUID-E9646304-09F3-5F28-84AA-A462DA630A97"><p>For the above, they would use the API provided by featmgr.dll. </p> </li> <li id="GUID-2A691994-0025-5039-A704-1573F2D13418"><p>Would be used to check if the required feature (and assumed framework) is present. </p> </li> </ul> <p>Use cases: </p> <ul><li id="GUID-691330F6-5CE0-536E-B796-F5EF7D281FCC"><p>Query a single feature. </p> </li> <li id="GUID-15001873-E802-5A0C-AC11-FB3FC3B30F67"><p>Query multiple features. </p> </li> </ul> </section> </conbody><related-links><link href="GUID-B71AC5E3-8AA8-55AD-916F-9E873926011B.dita"><linktext>Feature Manager Overview</linktext> </link> <link href="GUID-3FB773BA-C648-5C0A-9022-3F9882C6724A.dita"><linktext>Feature Manager Client
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25a17d01db0c Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
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                Overview</linktext> </link> <link href="GUID-EF3DB813-B0B9-5099-9E57-561A32111BF0.dita"><linktext>Feature Manager Server Guide</linktext> </link> </related-links></concept>