#include <sstream>
#include <iostream>
#include <string>
#include <vector>

class CClassMessage
{
protected:
    std::vector<std::string> m_properties;

public:
    enum eProperties
    {
        PRPT_END
    };
};

class CMsg0: public CClassMessage
{
public:
    enum eProperties
    {
        PRPT_Prefix = 0,
        PRPT_Name,
        PRPT_END
    };
};

class CMsg1: public CClassMessage
{
public:
    enum eProperties
    {
        PRPT_Prefix = 0,
        PRPT_State,
        PRPT_Protocol,
        PRPT_END
    };
};

bool parseLine( std::vector<std::string> line)
    {
        if( line.size() >= m_properties.size() )
        {
            for( int n = 0; n < PRPT_END; ++n )
            {
                m_properties[n] = line[n];
            }
            return true;
        }
        return false;
    }

m_serial_port->setPortName(ui->cboxComPortList->currentText());
m_serial_port->setBaudRate(ui->cboxBaudrate->currentText().toInt());

if(!m_serial_port->open(QSerialPort::ReadOnly | QSerialPort::WriteOnly))
{
       QMessageBox::critical(this, tr("Error"), tr("Can't open serial port"));

       return;
}

m_serial_port->setDataBits(QSerialPort::Data8);
m_serial_port->setStopBits(QSerialPort::OneStop);
m_serial_port->setFlowControl(QSerialPort::NoFlowControl);
m_serial_port->setParity(QSerialPort::MarkParity);

connect(m_serial_port, SIGNAL(errorOccurred(QSerialPort::SerialPortError)), this, SLOT(error(QSerialPort::SerialPortError)));

W/System.err(24578): java.lang.ClassNotFoundException: android.graphics.drawable.RippleDrawable

W/dalvikvm(24578): threadid=1: thread exiting with uncaught exception (group=0x41be8c98)
W/dalvikvm(24578): threadid=1: uncaught exception occurred
W/System.err(24578): java.lang.UnsatisfiedLinkError: Couldn't load test from loader dalvik.system.PathClassLoader[DexPathList[[zip file "/data/app/org.qtproject.test-2.apk"],nativeLibraryDirectories=[/data/app-lib/org.qtproject.test-2, /vendor/lib, /system/lib]]]: findLibrary returned null
W/System.err(24578):     at java.lang.Runtime.loadLibrary(Runtime.java:365)

ANDROID_PACKAGE_SOURCE_DIR = $$PWD/android

project psignals
  : requirements <include>src
 ;

lib psignals
  : [ glob src/*.cpp ]
  : <threading>multi <use>/boost
 ;

link_directories( ${CMAKE_SOURCE_DIR}/Settings/lib/ )

...
std::string getStr(){
   reutrn "hello";
}

int main(){

   getStr() = "World!";
...

 flag_1 = true;
 flag_2 = true;

::paintGL()
{
 …
func_1();
func_2();
….

 flag_1 = false;
 flag_2 = false;
}
//----------------------------------------------------------------------------

func_1():
{
  if (flag_1)
  {
    if (glIsList(1))
     glDeleteLists(1, 1);
    glNewList(1, GL_COMPILE_AND_EXECUTE);
    glPushAttrib(GL_CURRENT_BIT);
     
    renderText(100, 150, 0, "myText");
    
    glPopAttrib();
    glEndList();
  }
  else
    glCallList(1);
}
//----------------------------------------------------------------------------

func_2():
{
  if (flag_2)
  {
    if (glIsList(2))
     glDeleteLists(2, 1);
    glNewList(2, GL_COMPILE_AND_EXECUTE);
    glPushAttrib(GL_CURRENT_BIT);
     
    renderText(300, 250, 0, trUtf8("#") + QString::number(iValue));
    
    glPopAttrib();
    glEndList();
  }
  else
    glCallList(2);
}
//----------------------------------------------------------------------------

ButtonOnClick:
{
   iValue = 55;
   flag_2 = true;

   updateGL();
}