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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License 
+"Eclipse Public License v1.0" which accompanies this distribution, 
+and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
+<!-- Initial Contributors:
+    Nokia Corporation - initial contribution.
+Contributors: 
+-->
+<!DOCTYPE concept
+  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
+<concept id="GUID-6167C2F2-BC5B-5B10-BD5D-7702BE4112F6" xml:lang="en"><title>View
+Server Tutorial</title><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>The UI Control Framework <xref href="GUID-6C16417B-5B37-5310-B59A-750D971AA6D4.dita">(CONE)</xref> provides <xref href="GUID-3AC2CDAC-0291-309F-A020-049BC9F2CF90.dita"><apiname>CCoeAppUi</apiname></xref> that
+provides an interface to the View Server, which enables seamless switching
+between different views across various applications. </p>
+
+<section><title>Introduction</title> <p>The UI framework built on Cone/uikon
+can make a choice to use the View Server. </p> <p>The view architecture allows
+applications to make and receive requests to show a particular view of their
+data. It allows applications to have integration between their user interfaces.
+This particularly allows the user to navigate through the UI on the basis
+of the task they are working on, rather than perceiving separate applications.
+For example, an application provides a view of a given Contact, any other
+application may display a contact using that view. </p> <p>Views are UI controls
+that are derived from the <xref href="GUID-2C5E3F6C-6679-3914-9736-62296E7715A7.dita"><apiname>MCoeView</apiname></xref> abstract view interface
+and display application data. Typically views are top-level window-owning
+controls. Each view is given a unique identifier of type <xref href="GUID-3DEA9A17-CB50-3DCD-87AC-0E91B377FB0E.dita"><apiname>TVwsViewId</apiname></xref>. <xref href="GUID-3DEA9A17-CB50-3DCD-87AC-0E91B377FB0E.dita"><apiname>TVwsViewId</apiname></xref> is
+a combination of the UID of the application and the UID of the view within
+the application. An application participating in the view switching must complete
+the steps given in the procedure section.</p> </section>
+<section><title>Procedure</title> <ol id="GUID-5DC514F9-9040-5D61-BC2C-FE04BA11B51C">
+<li id="GUID-1696E5F0-DB4A-5F40-B6E8-810FA93DC5A5"><p><xref href="GUID-AC6FCBB0-E4FD-4D30-B000-1F652B2EE96A.dita">Create
+an instance of <apiname>CCoeAppUi</apiname></xref> </p> </li>
+<li id="GUID-441C5876-D063-568F-A814-B85464DBCE27"><p><xref href="GUID-13D2B45C-3A2A-497A-8D6A-87BE34D1DE69.dita">Implement
+the observer functions to get notification on events, if required.</xref> </p> </li>
+<li id="GUID-32128AF4-8773-5105-B5C0-490668AB08C4"><p><xref href="GUID-A399508A-DE6A-490D-9BFB-4FCF56FF9D4C.dita">Derive
+a class from the <apiname>MCoeView</apiname> class.</xref> </p> </li>
+<li id="GUID-C95EBECB-3503-5BB6-B0CC-8964C76074A8"><p><xref href="GUID-6FD4E7A4-D215-4CFB-BC7A-23065DE95C5C.dita">Add
+the view to the control stack to receive key events.</xref> </p> </li>
+<li id="GUID-9996BF57-3220-5D74-B7A1-5CD56D63F905"><p><xref href="GUID-940E3C48-D0ED-419A-9172-E4856C6CA809.dita">Register
+the view with the View Server. </xref></p> </li>
+<li id="GUID-C571AF24-46FA-517C-A765-1745973FE8DF"><p>Perform one or more
+of the following tasks: </p> <ol id="GUID-A24F5604-C2CF-52DF-BDD4-BF4FDB36325B">
+<li id="GUID-63CFD000-82CB-5842-9AF4-05FA34C0E24C"><p><xref href="GUID-2D6689C2-F17D-48A8-8EC9-3D83BCAA3681.dita">Activate
+a view through the client session.</xref> </p> <p>If the view which has to
+be activated is not registered with the server when an activation request
+arrives, the view server starts the application associated with that view. </p> </li>
+<li id="GUID-18668608-892D-57CF-9619-B5D141E5AA37"><p><xref href="GUID-210A181E-5EB6-4626-9E7E-8761A2272D79.dita">Set
+a view as a default view.</xref> </p> </li>
+<li id="GUID-6A1FBF71-8F52-58C2-AEFA-FC4ED601CDD1"><p><xref href="GUID-4ADDDAFE-0941-4787-B07B-F5B7D8D5B1AA.dita">Deregister
+a view</xref>, if required. </p> </li>
+</ol> </li>
+</ol> </section>
+</conbody><related-links>
+<link href="GUID-830E40D0-7DEE-5EFB-BCC6-EC0AA7FF7A02.dita"><linktext>View Server
+Overview</linktext></link>
+<link href="GUID-37E8A48E-09B8-5958-9263-B33EDAE3F7C6.dita"><linktext>Control Stack</linktext>
+</link>
+</related-links></concept>
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