'qt_metatype_id' is not a member of...

Tjsail33

I have a pretty straightforward question. i am getting the error @/usr/include/qt4/QtCore/qmetatype.h:169: error: ‘qt_metatype_id’ is not a member of ‘QMetaTypeId<QList<MOCourse*> >’@ when I attempt to execute the following code. Anyone have any ideas?

Here is the code that triggers the issue...
@
QDeclarativeView *view = w->getDeclarativeView();
QDeclarativeContext *ctxt = view->rootContext();
//line with the error
ctxt->setContextProperty("course100Model", QVariant::fromValue(courseList));
@

And here is the header for MOCourse, where you can see that I have declared the metatype for the pointer at the bottom.
@

#ifndef MOCOURSE_H
#define MOCOURSE_H

#include <QString>
#include <vector>
#include <QObject>
#include <QMetaType>

using namespace std;

class MOCourse : public QObject
{
Q_OBJECT

Q_PROPERTY(QString name READ name WRITE setName)
Q_PROPERTY(QString number READ number WRITE setNumber)
Q_PROPERTY(QString image READ image WRITE setImage)
Q_PROPERTY(QString desc READ desc WRITE setDesc)

public:
// Default constructor
MOCourse();
MOCourse(QString n, QString num, QString pic, QString d);
// Whether the course object was modified during the course of execution
bool modified;
// Row in database table
int ID;
// Course level
int level;
// Full description of course
QString description;
// File path of this course's large picture
QString picture;
// File path of this course's iconic picture
QString icon;
// Course title (ex. CS205 Software Engineering)
QString courseNumber;
QString courseTitle;
// Vector of IDs linking to relevant demos
vector<int> demoIDs;
// Vector of text blurbs from opinions
QString opinions;
// Vector of text blurbs from interviews
// TODO: replace with interview object
QString interviews;

QString name() const;
QString number() const;
QString image() const;
QString desc() const;

public slots:
void setName(QString s);
void setNumber(QString s);
void setImage(QString s);
void setDesc(QString s);

};
Q_DECLARE_METATYPE(MOCourse*)

#endif // MOCOURSE_H

@

lgeyer

Be aware that <code>MOCourse*</code> and <code>QList<MOCourse*></code> are two different types. If you want to store the latter one in a QVariant you will have to declare it as meta type as well.
@
Q_DECLARE_METATYPE(QList<MOCourse*>)
@

Tjsail33

Okay, that solved my first problem. Thanks for that Lukas.

However I am now getting the error @Unable to assign QList<MOCourse*> to QDeclarativeListModel*@ in my QML file. Any idea how to fix this? I did not find any relevant information online.