#include <QAccelerometer>
 
// Neccessary for Qt Mobility API usage
QTM_USE_NAMESPACE
 
class AccelerationInfo : public QObject, public QAccelerometerFilter
{
    Q_OBJECT
 
public:
 
    AccelerationInfo(QObject* parent = 0) : QObject(parent)
    {
        m_sensor = new QAccelerometer(this);
        m_sensor->addFilter(this);
        m_sensor->start();
    }
 
private slots:
 
    // Override of QAcclerometerFilter::filter(QAccelerometerReading*)
    void filter(QAccelerometerReading* reading)
    {
        qreal x = reading->x();
        qreal y = reading->y();
        qreal z = reading->z();
 
        // Process acceleration sensor readings ...
 
        qDebug("Current device acceleration: x=%f y=%f z=%f", x, y, z);
    }
 
private:
 
    QAccelerometer* m_sensor;
};

#include <QGeoPositionInfo>
#include <QGeoPositionInfoSource>
 
// Neccessary for Qt Mobility API usage
QTM_USE_NAMESPACE
 
class LocationInfo : public QObject 
{
    Q_OBJECT
 
public:
 
    LocationInfo(QObject* parent = 0) : QObject(parent) 
    {
        QGeoPositionInfoSource* src = QGeoPositionInfoSource::createDefaultSource(this);
        if (src) 
        {
            connect(src, SIGNAL(positionUpdated(QGeoPositionInfo)), this,
                SLOT(updatePosition(QGeoPositionInfo));
            connect(src, SIGNAL(updateTimeout()), this, SLOT(updateTimeout()));
            src->requestUpdate(5000); // Start request for actual position 
        }
    }
 
private slots:
 
    void updatePosition(const QGeoPositionInfo& info) 
    {
        qDebug() << “Current position: ” << info;
    }
 
    void updateTimeout() 
    {
        // Current location could not be retrieved within the specified timeout of 5 seconds.
        qWarning(“Failed to retrieve current position.”);
    }
};

// Construct contact manager for default contact backend
QContactManager* cm = new QContactManager();
// Create example contact
QContact example;
 
// Add contact name
QContactName name;
name.setFirst(“John”);
name.setLast(“Doe”);
example.saveDetail(&name);
 
// Add contact email address
QContactEmailAddress email;
email.setContexts(QContactDetail::ContextHome);
email.setEmailAddress(“john.doe@example.com”);
example.saveDetail(&email);
 
// Finally, save the contact details
cm->saveContact(&example);

// Get the contact definition we want to modify (cm is a 
// previously created QContactManager object)
QMap<QString, QContactDetailDefinition> def = cm->detailDefinitions();
QContactDetailDefinition modified = def.value(QContactNote::DefinitionName);
 
// Define new field ‘Interests’
QContactDetailDefinitionField field;
field.setDataType(QVariant::String);
QMap<QString, QContactDetailDefinitionField> fields = modified.fields();
 
// Insert new field to the list of contact’s fields and update
// the contact’s field definitions
fields.insert(“Interests”, field);
modified.setFields(fields);
 
// Save the updated field definitions back to the manager
cm->saveDetailDefinition(modified);

// Create new contact detail filter
QContactDetailFilter filter;
filter.setDetailDefinitionName(QContactPhoneNumber::DefinitionName, 
    QContactPhoneNumber::FieldNumber);
 
// Specify the requested value and filter matching criteria
QString incomingNbr(“+436641234567”);
filter.setValue(incomingNbr);
filter.setMatchFlags(QContactFilter::MatchExactly);
 
// Fetch matching contacts list for specified filter (cm is a 
// previously created QContactManager object)
QList<QContactLocalId> matches = cm->contacts(filter);
 
for (int i = 0; i < matches.size(); ++i)
    qDebug() << cm->contact(matches.at(i));

// Setup new email message
QMessage msg;
msg.setType(QMessage::Email);
 
// Set recipient for our email message
QString recipient(“john.doe@example.com”);
msg.setTo(QMessageAddress(QMessageAddress::Email, recipient));
 
// Define message subject, body and append attachment
msg.setSubject(“Messaging API example”);
msg.setBody(“Hello,\n\nthis is an example message.”);
 
QStringList attachments;
attachments << “images/example.png”;
msg.appendAttachments(attachments);
 
// Send message using a new service handle
QMessageService* svc = new QMessageService();
 
if (svc->send(msg))
    qDebug(“Successfully sent message.”);
else
    qWarning(“Failed to send message.”);