author | Dominic Pinkman <Dominic.Pinkman@Nokia.com> |
Thu, 11 Mar 2010 18:02:22 +0000 | |
changeset 3 | 46218c8b8afa |
parent 1 | 25a17d01db0c |
child 5 | f345bda72bc4 |
permissions | -rw-r--r-- |
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<?xml version="1.0" encoding="utf-8"?> |
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. --> |
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<!-- This component and the accompanying materials are made available under the terms of the License |
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"Eclipse Public License v1.0" which accompanies this distribution, |
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". --> |
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<!-- Initial Contributors: |
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Nokia Corporation - initial contribution. |
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Contributors: |
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--> |
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<!DOCTYPE task |
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PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd"> |
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<task id="GUID-6E144992-AF5B-5CA3-9CC1-CFB5941103A9" xml:lang="en"><title>Using |
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the Plug-in Framework</title><shortdesc>Clients of a plug-in framework use the C++ APIs provided by the |
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framework for interaction with the framework. Client calls to the interface |
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definition are translated directly through <apiname>REComSession</apiname> into |
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loading and unloading of the correct implementation library together with |
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construction and destruction of an appropriate interface implementation. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody> |
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<steps id="GUID-B8EA3CE1-8777-574D-9ECA-45139EBCD939"> |
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<step id="GUID-3993804F-49BD-5856-836F-02CD8148AC59"><cmd/> |
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<info>Link to the ECom framework library, <filepath>ecom.lib</filepath>. </info> |
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</step> |
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<step id="GUID-80234DBC-9A39-58A1-ACA5-D9421C86E269"><cmd/> |
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<info>Include the header file that contains the interface definition. </info> |
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</step> |
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<step id="GUID-F2C41BC8-232A-5F24-B12D-D13870D11B8D"><cmd/> |
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<info>Create an object using the interface instantiation methods and required |
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parameters. The object creation functions re over loaded. right variant based |
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on inputs available is chosen. </info> |
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</step> |
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<step id="GUID-5FD0AD96-2BAF-5D44-B9C4-3CBBF6F545B6"><cmd/> |
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<info>Use the object for calling the methods provided by the object as per |
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requirement. </info> |
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</step> |
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<step id="GUID-33BC48BE-3605-5BDE-9520-E8CA973050B9"><cmd/> |
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<info>Delete the object after use. </info> |
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</step> |
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<step id="GUID-25033DB0-874E-5060-889D-142A6D34CA05"><cmd/> |
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<info>Call <xref href="GUID-1344F049-81C4-3D17-AF46-8B5584680ADB.dita#GUID-1344F049-81C4-3D17-AF46-8B5584680ADB/GUID-1AACEF53-2CAD-34EC-A485-CE49BC8B9BD8"><apiname>REComSession::FinalClose()</apiname></xref> to clean up memory. </info> |
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</step> |
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</steps> |
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<postreq><p>The code below depicts the steps involved in using the framework: </p><codeblock xml:space="preserve">LOCAL_C void doExample() |
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{ |
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// object creation |
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CExampleInterfaceDefinition* ex1 = CExampleInterfaceDefinition::NewL(); |
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|
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// calling the required methods |
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ex1->DoMethodL(); |
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|
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// deleting the object after use |
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delete ex1; |
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|
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// memory clean-up |
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REcomSession:;FinalClose(); |
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} |
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</codeblock></postreq> |
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</taskbody></task> |