QT C++ module is not installed

[darekQT290]

I am new to QT. I am writing a demo C++ program integrating to QT. It got the module is not installed error all the time, even I tried several tricks from internet post.

Here is the code:
--------------- myclass.h
#ifndef MYCLASS_H
#define MYCLASS_H

#include <QObject>
#include <QString>

class MyClass : public QObject
{
Q_OBJECT
public:
explicit MyClass(QObject *parent = 0);
Q_INVOKABLE QString sayHello() const;
};

#endif // MYCLASS_H
------------ myclass.cpp
#include "myclass.h"

MyClass::MyClass(QObject *parent)
: QObject(parent)
{
}

QString MyClass::sayHello() const
{
return "Hello!";
}
---------------- main.cpp
#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QtQml>
#include <QQmlContext>
#include <QQmlEngine>

#include "myclass.h"

int main(int argc, char *argv[])
{
QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
QGuiApplication app(argc, argv);
qmlRegisterType<MyClass>("com.mycompany.myapplication", 1, 0, "MyClass");
QQmlApplicationEngine engine;
MyClass myClass;
engine.rootContext()->setContextProperty("myClass", &myClass);
engine.load(QUrl(QLatin1String("qrc:/main.qml")));
return app.exec();
}
---------------- main.qml
import QtQuick 2.7
import QtQuick.Controls 2.0
import QtQuick.Layouts 1.0

import com.mycompany.myapplication 1.0

ApplicationWindow {
visible: true
width: 640
height: 480
title: qsTr("Hello World")

Text {
    anchors.centerIn: parent
    text: myClass.sayHello()
}

}
------------------ myclass.pro
QT += quick
CONFIG += c++11

DEFINES += QT_DEPRECATED_WARNINGS

SOURCES +=
main.cpp
myclass.cpp

RESOURCES += qml.qrc

QML_IMPORT_PATH =

QML_DESIGNER_IMPORT_PATH =

qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target

HEADERS +=
myclass.h

I downloaded the latest QT package from the website.
QT Creator: 4.7.0
QT 5.11.1 (MSVC 2015, 32 bit)
Windows 10 PC

Appreciate for any advice.....

[dheerendra]

What is the exact error ? Which module is not installed ? Exact error will help us to see what is the issue.

I see couple of other issue in your pro file. You should place the back slash at the end of each source file & header file if there are multiple files.

SOURCES +=
main.cpp
myclass.cpp

[SGaist]

Hi and welcome to devnet,

This is not the latest version, current is 5.12.
What exact error are you getting ?
Did you install Visual Studio 2015 ? If so, did you select the C++ components ?
On a side note, it's Qt. QT stands for Apple QuickTime which is something else.