Symbian3/SDK/Source/GUID-170EDC68-77C7-4FD9-A81E-C9F75698F7A3.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Wed, 31 Mar 2010 11:11:55 +0100
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child 8 ae94777fff8f
permissions -rw-r--r--
Week 12 contribution of API Specs and fix SDK submission
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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 concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-170EDC68-77C7-4FD9-A81E-C9F75698F7A3" xml:lang="en"><title>Implementing
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support for scalable UI</title><shortdesc>For the correct control to receive touch events, you must implement
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support for scalable UI.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
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<p>In Touch UI devices, supporting scalable UI is even more crucial than before.
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Traditionally, the problem was that the application did not scale to fit the
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screen size correctly.</p>
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<p>For more information on scalable UI, see <xref href="GUID-B02C762B-C452-4184-ABEA-4753E6CD47D2.dita">Scalability</xref> section.</p>
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<p>In Touch UI, there is also another consideration, the Symbian platform
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may not receive touch events, or it may receive touch events for the incorrect
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control, because there is a problem with knowing the correct location of the
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touch event.</p>
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<p>The following figures illustrate code required for handling scalable UI
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events.</p>
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<fig id="GUID-0300A264-1F48-4D4F-A3ED-18734983B36E">
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<title>Scalable UI implementation in control</title>
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<image href="GUID-BBDC3880-DFC3-42C0-913D-E90AB318E015_d0e43840_href.png" placement="inline"/>
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</fig>
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<fig id="GUID-39D4E25F-C4C3-4C19-BED0-42E06F63A0BD">
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<title>Scalable UI implementation in UI controller</title>
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<image href="GUID-5D831531-2430-4C61-B8C4-BEE9850387C2_d0e43848_href.png" placement="inline"/>
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</fig>
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<p>For further implementation information, see <xref href="GUID-DD15F24B-0786-4531-A6C5-A5E70EBE2732.dita">Handling
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layout change events</xref>.</p>
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</conbody></concept>