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diff --git a/demos/mobile/qtbubblelevel/main.cpp b/demos/mobile/qtbubblelevel/main.cpp
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+++ b/demos/mobile/qtbubblelevel/main.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtDeclarative>
+#include <QtGui>
+#include <QAccelerometer>
+
+#include "accelerometerfilter.h"
+#include "settings.h"
+#include "taskswitcher.h"
+
+// Lock orientation in Symbian
+#ifdef Q_OS_SYMBIAN
+    #include <eikenv.h>
+    #include <eikappui.h>
+    #include <aknenv.h>
+    #include <aknappui.h>
+#endif
+
+QTM_USE_NAMESPACE
+
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+#ifdef Q_OS_SYMBIAN
+    // Lock orientation to landscape in Symbian
+    CAknAppUi* appUi = dynamic_cast<CAknAppUi*> (CEikonEnv::Static()->AppUi());
+    TRAP_IGNORE(
+        if (appUi)
+            appUi->SetOrientationL(CAknAppUi::EAppUiOrientationLandscape);
+    )
+#endif
+
+    //! [0]
+    QDeclarativeView view;
+    view.setSource(QUrl("qrc:/qml/BubbleLevel.qml"));
+    view.setResizeMode(QDeclarativeView::SizeRootObjectToView);
+    //! [0]
+
+    // ![1]
+    Settings settings;
+
+    QAccelerometer sensor;
+    AccelerometerFilter filter;
+    sensor.addFilter(&filter);
+    //! [1]
+
+    //! [2]
+    QObject *rootObject = dynamic_cast<QObject*>(view.rootObject());
+
+    // Associate Qt / QML signals and slots
+    QObject::connect(rootObject, SIGNAL(saveCorrectionAngle(const QVariant&)),
+                     &settings, SLOT(saveCorrectionAngle(const QVariant&)));
+
+    QObject::connect(&filter, SIGNAL(rotationChanged(const QVariant&)),
+                     rootObject, SLOT(handleRotation(const QVariant&)));
+
+    QObject::connect(&settings, SIGNAL(correctionAngle(const QVariant&)),
+                     rootObject, SLOT(setCorrectionAngle(const QVariant&)));
+
+    QObject::connect((QObject*)view.engine(), SIGNAL(quit()),
+                     &app, SLOT(quit()));
+    //! [2]
+
+    //! [3]
+#ifdef Q_WS_MAEMO_5
+    TaskSwitcher taskSwitcher;
+
+    QObject::connect(rootObject, SIGNAL(minimizeApplication()),
+                     &taskSwitcher, SLOT(minimizeApplication()));
+
+    // Show the task switcher button
+    rootObject->setProperty("taskSwitcherVisible", true);
+#endif
+    //! [3]
+
+    //! [4]
+    // Read correction factor from permanent storage and emit it to QML side
+    settings.loadAndEmitCorrectionAngle();
+
+    // Begin measuring of the accelerometer sensor
+    sensor.start();
+    //! [4]
+
+    //! [5]
+#if defined(Q_WS_MAEMO_5) || defined(Q_OS_SYMBIAN) || defined(Q_WS_SIMULATOR)
+    view.setGeometry(QApplication::desktop()->screenGeometry());
+    view.showFullScreen();
+#else
+    view.setGeometry((QRect(100, 100, 800, 480)));
+    view.show();
+#endif
+    //! [5]
+
+    return app.exec();
+}