--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/SDK/Source/GUID-047E3462-F806-4C54-9DC5-6B78907CA949.dita	Thu Jan 21 18:18:20 2010 +0000
@@ -0,0 +1,55 @@
+<?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 task
+  PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">
+<task id="GUID-047E3462-F806-4C54-9DC5-6B78907CA949" xml:lang="en"><title>Derive
+a class and implement the appropriate observer functions</title><prolog><metadata><keywords/></metadata></prolog><taskbody>
+<context>       <p>Derive a class from one or more of the observer interfaces
+above, and implement the appropriate observer functions.</p><p>The following
+code snippet demonstrates how to derive a class and implement the appropriate
+functions.</p><codeblock id="GUID-FF4BD289-9ECC-5E01-A38C-3E428817883E" xml:space="preserve">#include HWRMPower.h
+Class CPowerApp : public CBase,
+                  public MHWRMBatteryPowerObserver,
+                  public MHWRMBatteryChargingStatusObserver
+{
+public:
+    CPowerApp(); //constructor
+    ~CPowerApp();  //destructor
+    void ConstructL();
+    static CPowerApp* NewL();
+    // from MHWRMBatteryPowerObserver
+    virtual void PowerMeasurement( TInt aErr,
+                                   TInt aMeasurement );
+    // from MHWRMBatteryChargingStatusObserver
+    virtual void ChargingStatusChange( Tint aErrCode,
+                                       CHWRMPower::TBatteryChargingStatus aChrgStatus );
+
+private:
+    CHWRMPower* iPower;
+};
+
+
+//Implementation of MHWRMBatteryPowerObserver::PowerMeasurement()
+
+void CPowerApp::PowerMeasurement( TInt aErr,
+                                  TInt aMeasurement )
+    {
+    if( aErrorCode == KErrNone )
+         {
+         INFO_PRINTF2( _L( "INFO: Power Consumption Measurement Received,
+                            measurement=%d" ), aMeasurement );
+         }
+    else
+         {
+         INFO_PRINTF2( _L( "INFO: Power Consumption Measurement Error,
+                            error=%d" ), aErr );
+         }
+    }</codeblock></context>
+</taskbody></task>
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