Symbian3/SDK/Source/GUID-1C802DBD-1453-5C69-94D5-FB0229C544D6.dita
changeset 8 ae94777fff8f
parent 7 51a74ef9ed63
--- a/Symbian3/SDK/Source/GUID-1C802DBD-1453-5C69-94D5-FB0229C544D6.dita	Wed Mar 31 11:11:55 2010 +0100
+++ b/Symbian3/SDK/Source/GUID-1C802DBD-1453-5C69-94D5-FB0229C544D6.dita	Fri Jun 11 12:39:03 2010 +0100
@@ -1,58 +1,58 @@
-<?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-1C802DBD-1453-5C69-94D5-FB0229C544D6" xml:lang="en"><title>Uikon
-Overview</title><prolog><metadata><keywords/></metadata></prolog><conbody>
-<section id="GUID-CB78AFE5-5471-49D0-9740-E3FDA18ED6E9"><title>Purpose</title> <p>Provides a framework for applications.
-The framework is fundamental to all GUI applications.</p> </section>
-<section id="GUID-74F7D413-3912-477E-A89E-D6BD5F395F9D"><title>Architectural relationships</title> <p>Uikon provides a UI
-library layer. It was designed to allow further higher level UI libraries
-to be added that can include controls that derive from the ones provided by
-Uikon. Avkon provides these higher level UI libraries in Symbian^3 and historically
-in the S60 platform. Application developers can use the Uikon APIs directly,
-though they should check that there is not a more appropriate Avkon API. </p> <p>The
-Uikon application framework extends two lower frameworks:</p> <ul>
-<li id="GUID-6941969D-7625-5376-A5D6-5E5B0378D0E7"><p>the Application Architecture
-Framework: handles application start-up and accessing the application data
-(its <i>document</i>). </p> </li>
-<li id="GUID-F1AA0F97-5205-537C-994A-6A3FA811AA72"><p>UI Control Framework:
-provides the framework for drawing and handling input to screen controls</p> </li>
-</ul> <p> Uikon ties these two frameworks together to provide the framework
-for the standard application design. </p> <p>Uikon's framework classes are
-extended in turn by:</p> <ul>
-<li id="GUID-EF33F5C8-6EA8-5D8A-AE53-A35C692E291A"><p>applications, to implement
-appropriate behaviour for their type of data, and for their types of command</p> </li>
-<li id="GUID-66353589-7D6B-548E-81A0-3A3515CF8BD8"><p>possibly by UI variant-specific
-libraries, to add UI variant-specific behaviour to the application framework</p> </li>
-</ul> </section>
-<section id="GUID-3B1FA50E-E199-46F3-B8A0-9370BECDE8E2"><title>Description</title> <p>The API has five key concepts: application
-(<codeph>CEikApplication</codeph>), document (<codeph>CEikDocument</codeph>),
-app UI (<codeph>CEikAppUi</codeph>), UI Environment (<codeph>CEikonEnv</codeph>),
-and utilities (<codeph>EikFileUtils</codeph>).</p> <p><b>Application</b> </p> <p>The application class defines properties of the application, such as UID
-and caption, and creates a new document.</p> <p>The application base class
-is provided by <xref href="GUID-E36E2F07-09E7-32BC-BB83-14DF9232E7D9.dita"><apiname>CEikApplication</apiname></xref>.</p> <p><b>Document</b> </p> <p>The document class represents the data model for
-the application. In file-based applications, it stores and restores the application's
-data. It handles requests to edit a document by creating an app UI.</p> <p>The
-document base class is provided by <xref href="GUID-B33A8A56-D1BE-3E3D-B5AC-F644A5C764DB.dita"><apiname>CEikDocument</apiname></xref>.</p> <p><b>App UI</b> </p> <p>The app UI is the central user interface class. It
-creates and owns controls to display the application data, and centralises
-handling of command input from standard controls such as menus and toolbars.</p> <p>The
-app UI base class is provided by <xref href="GUID-1185F595-0488-3E93-8D60-6B3A1A3AC32E.dita"><apiname>CEikAppUi</apiname></xref>, which can be
-customised by using the resource structure <xref href="GUID-77DF8122-9267-36A6-B5C5-AC989828F2EA.dita"><apiname>EIK_APP_INFO</apiname></xref>.</p> <p><b>UI Environment</b> </p> <p>The UI Environment provides a large number
-of assorted UI functionality, particularly simple access to information and
-query dialogs, and access to standard system UI resources (bitmaps and fonts).
-Every object in a GUI application can access a UI Environment (through <xref href="GUID-96CA3B4B-993F-36C0-9A5B-DF5CC74EE20E.dita#GUID-96CA3B4B-993F-36C0-9A5B-DF5CC74EE20E/GUID-3587E866-F434-30BA-9CFC-0D40EF8D47FE"><apiname>CEikonEnv::Static()</apiname></xref>),
-as a pointer to it is stored in thread-local storage.</p> <p>The UI Environment
-is provided by <xref href="GUID-96CA3B4B-993F-36C0-9A5B-DF5CC74EE20E.dita"><apiname>CEikonEnv</apiname></xref>.</p> <p><b>Utilities</b> </p> <p>Utility classes provide easy access for applications
-to frequently-used functionality. Notable are <xref href="GUID-EF4568CF-947B-3931-B860-2A63A6B7C275.dita"><apiname>EikFileUtils</apiname></xref> for
-file access, and <xref href="GUID-C886511D-1922-3703-843D-1936018788AC.dita"><apiname>EikResourceUtils</apiname></xref> for resource access.</p> </section>
-<section id="GUID-E0A48D84-08C6-44BC-B4A0-E8DF472DCB3B"><title>See also</title> <p><xref href="GUID-37E8A48E-09B8-5958-9263-B33EDAE3F7C6-GENID-1-8-1-3-1-1-7-1-3-1.dita">UI
-Control Framework Overview</xref> </p> </section>
+<?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-1C802DBD-1453-5C69-94D5-FB0229C544D6" xml:lang="en"><title>Uikon
+Overview</title><prolog><metadata><keywords/></metadata></prolog><conbody>
+<section id="GUID-CB78AFE5-5471-49D0-9740-E3FDA18ED6E9"><title>Purpose</title> <p>Provides a framework for applications.
+The framework is fundamental to all GUI applications.</p> </section>
+<section id="GUID-74F7D413-3912-477E-A89E-D6BD5F395F9D"><title>Architectural relationships</title> <p>Uikon provides a UI
+library layer. It was designed to allow further higher level UI libraries
+to be added that can include controls that derive from the ones provided by
+Uikon. Avkon provides these higher level UI libraries in Symbian^3 and historically
+in the S60 platform. Application developers can use the Uikon APIs directly,
+though they should check that there is not a more appropriate Avkon API. </p> <p>The
+Uikon application framework extends two lower frameworks:</p> <ul>
+<li id="GUID-6941969D-7625-5376-A5D6-5E5B0378D0E7"><p>the Application Architecture
+Framework: handles application start-up and accessing the application data
+(its <i>document</i>). </p> </li>
+<li id="GUID-F1AA0F97-5205-537C-994A-6A3FA811AA72"><p>UI Control Framework:
+provides the framework for drawing and handling input to screen controls</p> </li>
+</ul> <p> Uikon ties these two frameworks together to provide the framework
+for the standard application design. </p> <p>Uikon's framework classes are
+extended in turn by:</p> <ul>
+<li id="GUID-EF33F5C8-6EA8-5D8A-AE53-A35C692E291A"><p>applications, to implement
+appropriate behaviour for their type of data, and for their types of command</p> </li>
+<li id="GUID-66353589-7D6B-548E-81A0-3A3515CF8BD8"><p>possibly by UI variant-specific
+libraries, to add UI variant-specific behaviour to the application framework</p> </li>
+</ul> </section>
+<section id="GUID-3B1FA50E-E199-46F3-B8A0-9370BECDE8E2"><title>Description</title> <p>The API has five key concepts: application
+(<codeph>CEikApplication</codeph>), document (<codeph>CEikDocument</codeph>),
+app UI (<codeph>CEikAppUi</codeph>), UI Environment (<codeph>CEikonEnv</codeph>),
+and utilities (<codeph>EikFileUtils</codeph>).</p> <p><b>Application</b> </p> <p>The application class defines properties of the application, such as UID
+and caption, and creates a new document.</p> <p>The application base class
+is provided by <xref href="GUID-E36E2F07-09E7-32BC-BB83-14DF9232E7D9.dita"><apiname>CEikApplication</apiname></xref>.</p> <p><b>Document</b> </p> <p>The document class represents the data model for
+the application. In file-based applications, it stores and restores the application's
+data. It handles requests to edit a document by creating an app UI.</p> <p>The
+document base class is provided by <xref href="GUID-B33A8A56-D1BE-3E3D-B5AC-F644A5C764DB.dita"><apiname>CEikDocument</apiname></xref>.</p> <p><b>App UI</b> </p> <p>The app UI is the central user interface class. It
+creates and owns controls to display the application data, and centralises
+handling of command input from standard controls such as menus and toolbars.</p> <p>The
+app UI base class is provided by <xref href="GUID-1185F595-0488-3E93-8D60-6B3A1A3AC32E.dita"><apiname>CEikAppUi</apiname></xref>, which can be
+customised by using the resource structure <xref href="GUID-77DF8122-9267-36A6-B5C5-AC989828F2EA.dita"><apiname>EIK_APP_INFO</apiname></xref>.</p> <p><b>UI Environment</b> </p> <p>The UI Environment provides a large number
+of assorted UI functionality, particularly simple access to information and
+query dialogs, and access to standard system UI resources (bitmaps and fonts).
+Every object in a GUI application can access a UI Environment (through <xref href="GUID-96CA3B4B-993F-36C0-9A5B-DF5CC74EE20E.dita#GUID-96CA3B4B-993F-36C0-9A5B-DF5CC74EE20E/GUID-3587E866-F434-30BA-9CFC-0D40EF8D47FE"><apiname>CEikonEnv::Static()</apiname></xref>),
+as a pointer to it is stored in thread-local storage.</p> <p>The UI Environment
+is provided by <xref href="GUID-96CA3B4B-993F-36C0-9A5B-DF5CC74EE20E.dita"><apiname>CEikonEnv</apiname></xref>.</p> <p><b>Utilities</b> </p> <p>Utility classes provide easy access for applications
+to frequently-used functionality. Notable are <xref href="GUID-EF4568CF-947B-3931-B860-2A63A6B7C275.dita"><apiname>EikFileUtils</apiname></xref> for
+file access, and <xref href="GUID-C886511D-1922-3703-843D-1936018788AC.dita"><apiname>EikResourceUtils</apiname></xref> for resource access.</p> </section>
+<section id="GUID-E0A48D84-08C6-44BC-B4A0-E8DF472DCB3B"><title>See also</title> <p><xref href="GUID-37E8A48E-09B8-5958-9263-B33EDAE3F7C6.dita">UI
+Control Framework Overview</xref> </p> </section>
 </conbody></concept>
\ No newline at end of file