Symbian3/SDK/Source/GUID-644810EC-7D5E-4569-834B-C207447B88A3.dita
changeset 7 51a74ef9ed63
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/SDK/Source/GUID-644810EC-7D5E-4569-834B-C207447B88A3.dita	Wed Mar 31 11:11:55 2010 +0100
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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-644810EC-7D5E-4569-834B-C207447B88A3" xml:lang="en"><title>Multitasking</title><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>The Symbian UI style allows multitasking; that is, working with more than
+one application simultaneously. Mobile device users can leave an application
+running when they start another application, swap between running applications,
+and interact with them.</p>
+<p>To open a new application without closing the one that is presently being
+used, users can press the Home / Menu key to go to the <xref href="GUID-86AADA3E-B77C-45CC-B523-785B75BAA5AA.dita">Menu</xref> and
+select application suites and applications.</p>
+<p>The first application process remains running in the background while the
+user interacts with the second application.</p>
+<p>The number of simultaneously running (different) applications is limited
+only by the available memory in the device. When a new application process
+cannot be created because of limited memory, the system can automatically
+shut down applications to increase the amount of free memory.</p>
+<p>To swap active applications, users can:</p>
+<ul>
+<li><p>Long-press the Home / Menu key to open the task swapping window.</p></li>
+<li><p>Alternatively, select <uicontrol>Options</uicontrol> &gt; <uicontrol>Show
+open applications</uicontrol> to open the task swapping window.</p></li>
+</ul>
+<fig id="GUID-9855DE8A-5103-4172-9884-C5266ADB8F16">
+<title>Visualized multitasking: task swapping window</title>
+<image href="GUID-182326EB-E818-4146-82D9-494D59E430B8_d0e81983_href.png" placement="inline"/>
+</fig>
+<p>The task swapping window displays the applications that are currently running
+in the order of their most recent use. By default, the focus is on the first
+item in the grid. The task swapping window is a pop-up with a heading (<uicontrol>Open
+applications</uicontrol>). The names of the open applications are displayed
+in an Information pop-up. The Information pop-up is launched with a 0.5 second
+delay after the focus is moved onto each item, and it remains visible for
+1.5 seconds (or until the focus is moved to another item). Menu and home screen
+are always visible in the task swapping window. The configuration and visual
+appearance of the task swapping window might depend on the product.</p>
+<p>Users can use the task swapping window to close active applications. In
+devices with a keypad, users move the focus onto the application to be closed,
+and press the <uicontrol>Clear</uicontrol> (delete) key.  In touch devices,
+users tap and hold the item to open a pop-up menu where they can select the <uicontrol>Exit</uicontrol> option.</p>
+<p>For implementation information on
+using the <xref href="GUID-29486886-CB54-4A83-AD6D-70F971A86DFC.dita">application
+and UI frameworks</xref>, see <xref href="GUID-EF7FF39E-929F-4767-B475-5D582D37BB32.dita">Window
+server events</xref>.</p>
+</conbody><related-links>
+<linklist>
+<link href="GUID-0F8D0399-58CD-4EB6-82DF-75D6BE5B0A84.dita"><linktext>Application
+framework concepts</linktext></link>
+<link href="GUID-BDDDF68F-F7C3-43AF-8B6C-C77C701FD2A9.dita"><linktext>Framework
+requirements for GUI applications</linktext></link>
+</linklist>
+</related-links></concept>
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