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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-7BFEEDF7-3DB8-42FF-9D7A-F98E536F7686" xml:lang="en"><title>Sensor
+interaction</title><prolog><metadata><keywords/></metadata></prolog><conbody>
+<section id="GUID-27524BA1-FE0E-4906-8A73-C2F8B4B5BC6C"> <p>Devices based
+on the Symbian platform are supporting extendable Sensor framework.
+The supported sensors include accelerometer sensor, which is used for example
+for sensing device orientation (landscape/portrait and screen down/screen
+up) and tapping (giving the device light taps with your hand).  </p> <p>With
+the accelerometer sensor, there are three types of interaction that can be
+achieved:</p><ol>
+<li id="GUID-E30828C6-4EA8-49B7-BF00-ADC1D132BBFB"><p>Tapping the device by
+hand (double tap) to perform a given function in set events. Tapping the device
+interaction is not recommended for touch devices: the user may unintentionally
+tap the device on the touch area, and trigger controls by mistake.</p></li>
+<li id="GUID-5700ECF7-40ED-4ECE-ABB5-3C2E93173871"><p>Changing the device's
+orientation from portrait to landscape and back.</p></li>
+<li id="GUID-7233626B-2234-44EB-9E64-CB2D787C6CC2"><p>Changing the device
+orientation from screen down (for example, on a table) to screen up and back
+to perform a given function in set events (for example, silencing an incoming
+call).</p></li>
+</ol><p>In effect, the system is capable of sensing any of these interaction
+methods in the events where sensors can be used. </p><p>The supported sensor
+interactions are configurable per device. Also, the user can be given the
+option to set which one the user would like to use. For example, it is possible
+to set methods 1 and 3 (double tap by hand and turning the screen downwards)
+for the Silence incoming call event. The settings are available in Control
+Panel.</p><note>When designing an application which uses the sensors, take
+into account that the users may switch the use of sensors and display orientation
+control off in the Control Panel. </note><p>A double tap on the device produces
+tactile (vibrating) feedback to reinforce and acknowledge that the interaction
+has been successful.</p><p>As the Sensor framework is extendable, devices
+can have different configurations for sensors.  For instance, some devices
+may have a magnetometer sensors included, which could be then used, for example,
+as a compass on location-based services.</p><p>For more information, see <xref href="GUID-AE979B97-5610-42F3-99A7-5A3D66D3C2E6.dita">Sensor interaction</xref>.</p> 
+   </section>
+</conbody></concept>
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