Builders of the undefined reference and pointer...

OK, so I tried to make this work...

MyClass *example=new Myclass();

but it's not working, I don't know what to change...

Let's see an example:

newClass.h

#ifndef NEWCLASS_H_
#define NEWCLASS_H_

class newClass {
public:
    newClass();
    virtual ~newClass();
};

#endif /* NEWCLASS_H_ */

newClass.cpp

#include "newClass.h"

newClass::newClass() {
    // TODO Auto-generated constructor stub

}

newClass::~newClass() {
    // TODO Auto-generated destructor stub
}

applicationui.cpp

#include "applicationui.hpp"

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 

#include 

using namespace bb::cascades;

ApplicationUI::ApplicationUI(bb::cascades::Application *app) :
        QObject(app)
{
    // prepare the localization
    m_pTranslator = new QTranslator(this);
    m_pLocaleHandler = new LocaleHandler(this);
    if(!QObject::connect(m_pLocaleHandler, SIGNAL(systemLanguageChanged()), this, SLOT(onSystemLanguageChanged()))) {
        // This is an abnormal situation! Something went wrong!
        // Add own code to recover here
        qWarning() << "Recovering from a failed connect()";
    }
    // initial load
    onSystemLanguageChanged();
newClass *temp=new newClass();

}

void ApplicationUI::onSystemLanguageChanged()
{
    QCoreApplication::instance()->removeTranslator(m_pTranslator);
    // Initiate, load and install the application translation files.
    QString locale_string = QLocale().name();
    QString file_name = QString("FirstAppAlone_%1").arg(locale_string);
    if (m_pTranslator->load(file_name, "app/native/qm")) {
        QCoreApplication::instance()->installTranslator(m_pTranslator);
    }
}

error:

C:\Users\imnotgoingtotellyoumyuser\ndk-10.2-workspace\FirstAppA\x86/../src/applicationui.cpp:93: undefined reference to `newClass::newClass()'

When files are added to the project, IDE adds them to the .pro or .pri file.

But this is not enough. Qmake must be launched to regenerate the Makefile file that is used for compiling. It seems that this step was not built in IDE, so clean & reconstruction is necessary.

I will test it and submit a JIRA ticket if this is the case.

UPD: confirmed. https://www.BlackBerry.com/jira/browse/tool-2393

Tags: BlackBerry Developers

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