DoJa 程式標準架構

/*  國內關於 DoJa 的資料太少了,我有幸在2004 年接觸 DoJa ,以下是DoJa

import com.nttdocomo.ui.*;
import com.nttdocomo.system.*;
public class PhoneBookDemo extends IApplication
{
         appCanvas m_canvas;
         public void start()
            {
                m_canvas=new appCanvas();
                Display.setCurrent(m_canvas);
            }
}
class appCanvas extends Canvas
{
     private  Image imgOff;
     private Graphics graOff;
 public appCanvas()
 {
     System.gc();
                 imgOff = Image.createImage(getWidth(), getHeight());
                 graOff = imgOff.getGraphics();
 }
 public void paint(Graphics g)
 {
                g.drawImage(imgOff, 0, 0);
 }
    public void processEvent(int type,int param)
    {
     }    
}