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authorPeter Yard <peter.yard@nokia.com>2011-08-30 10:18:10 +1000
committerQt by Nokia <qt-info@nokia.com>2011-08-30 05:11:01 +0200
commit6f390c5d4abd460e80c6c07cc0c885d53db865c1 (patch)
tree1aaaaeb7f8288660872a1e5dac580c48dd38344d /doc/src/snippets/sensors/start.cpp
parent19c8ffcb012f7a55f7207c8834cb03cf12772ed8 (diff)
Import sensors docs from Mobility.
Also bring in some examples that are referenced in the docs. Change-Id: I74560c62be447dda06ccfd8996818225df007c2e Reviewed-on: http://codereview.qt.nokia.com/3828 Reviewed-by: Lincoln Ramsay <lincoln.ramsay@nokia.com>
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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qsensor.h>
+
+void start()
+{
+//! [Starting a sensor]
+// start the sensor
+QSensor sensor("QAccelerometer");
+sensor.start();
+
+// later
+QSensorReading *reading = sensor.reading();
+qreal x = reading->property("x").value<qreal>();
+qreal y = reading->value(1).value<qreal>();
+//! [Starting a sensor]
+
+ Q_UNUSED(x)
+ Q_UNUSED(y)
+}