Signal Data Exchange in C++Qt/QML for Android/iOS/WP8

main

#include <QtGui/QGuiApplication>
#include "qtquick2applicationviewer.h"
#include <QtQuick/QQuickItem>
#include <QtQuick/QQuickView>
#include "shakehands.h"

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);

    QtQuick2ApplicationViewer viewer;
    viewer.setMainQmlFile(QStringLiteral("qml/shakehands/main.qml"));

    QObject *rect = dynamic_cast<QObject*>(viewer.rootObject());

    ShakeHands *myClass = new ShakeHands();
    //=======================================//
    // Init: cppGetRequest
    QObject::connect(rect,
                     SIGNAL(qmlRequireData(QString)),
                     myClass,
                     SLOT(cppGetRequest(QString)));
    QObject::connect(myClass,
                     SIGNAL(cppReturnAnswer(QVariant)),
                     rect,
                     SLOT(qmlUpdateData(QVariant)));
    // End: cppGetRequest
    //=======================================//

    viewer.showExpanded();

    return app.exec();
}