import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.io.*;
import java.io.IOException;


public class HolaMundo extends MIDlet implements CommandListener {
  private Command cmd_salir;
  private Form formulario;
  private Image IMG0;
  private ImageItem logo;
  

  public HolaMundo() {
    cmd_salir=new Command("Cerrar", Command.EXIT,1);
	 try { 
	    IMG0=Image.createImage("/usm.png");
	    }
    catch (java.io.IOException e) {
      System.err.println("No se puede leer imagen");
    }	
   logo = new ImageItem("Saludo",IMG0,ImageItem.LAYOUT_CENTER,null);
   formulario = new Form("Hola Mundo");	 
	formulario.append(logo);
   formulario.append("\nprb@2006\n");
   formulario.addCommand(cmd_salir);
   formulario.setCommandListener(this);	 

  }


//*********************************************************
//*********************************************************
//******* FUNCIONES BASICA DE UN MIDLET *******************
//*********************************************************

  
  public void startApp() {
	 Display.getDisplay(this).setCurrent(formulario);
 }

  public void pauseApp() {}

  public void destroyApp(boolean unconditional) {
    formulario = null;
  }

  public void commandAction(Command c, Displayable d) {
	 if (c==cmd_salir) { destroyApp(true);notifyDestroyed();}
  }

  
} //Fin MIDlet