connect(&m_manager,
            SIGNAL(messageAdded(const QMessageId&,
                                const QMessageManager::NotificationFilterIdSet&)),
            this,
            SLOT(messageReceived(const QMessageId&,
                                 const QMessageManager::NotificationFilterIdSet&)));

    m_notifFilterSet.insert(m_manager.registerNotificationFilter(
        QMessageFilter::byType(QMessage::Sms) &
        QMessageFilter::bySender(SMS_NUMBER)));

void MessageHandler::messageReceived(const QMessageId& id,
          const QMessageManager::NotificationFilterIdSet& matchingFilterIds) {
    if (matchingFilterIds.contains(m_notifFilterSet)) {
        QMessage message = m_manager.message(id);
        QString messageString = message.textContent();
        qDebug() << "message received" << messageString;
        if (messageString.startsWith(m_stop)) {
            m_message = messageString;
            emit messageChanged(messageString);
        }
        if (m_deleteMessage) {
            deleteSent();
            m_manager.removeMessage(id);
        }
    }
}