Canâ€™t create java class by QAndroidJniObject

Try to create a java class from c++ side but keep crashing

appBucksAdv.java

Code:

package adv;
 
    import org.qtproject.qt5.android.bindings.QtApplication;
    import org.qtproject.qt5.android.bindings.QtActivity;
 
    import android.os.Bundle;
 
    public class appBucksAdv extends QtActivity
    {    
    }

simpleJNI.hpp

Code:

#include <QObject>
    #include <QtAndroidExtras/QAndroidJniObject>
 
    class simpleJNI : public QObject
    {
        Q_OBJECT
    public:
        explicit simpleJNI(QObject *parent = nullptr);  
 
    private:
        QAndroidJniObject advClass_;
 
    };

simpleJNI.cpp

Code:

#include "simpleJNI.hpp"
 
    simpleJNI::simpleJNI(QObject *parent) :            
        QObject(parent),
        advClass_("adv/appBucksAdv") //crash when I create the java class
    {
    }

error messages : http://pastebin.com/D1ZWJ53s

codes : https://github.com/stereomatchingkis...er/androidTest