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

public class main extends MIDlet implements CommandListener{

private Form form;
private Display display;
private Image img;
private int max=4;
private int image=1;


 public void startApp() {

form=new Form("foto");

try{
img=Image.createImage("/1.png");
}
catch (IOExeption ioe){
ioe.printStackTrase();
}

display.setCurrent(this);
next=new Command("next",Command.OK,1);

form.addCommand(next);
form.append(img);

form.setCommandListener(this);

display.setCurrent(form);

 }

 public void pauseApp() {
 }

 public void destroyApp(boolean unconditional) {
 }

public void commandAction(Command c,Displayable d){

if (d==form&&c==next&&image<max){

image++;
String path="/"+integer.toString(image)+".png";

try{
img=Image.createImage(path);
}
catch(IOExeption ioe){
ioe.printStackTrase();
}

form.append(img);
}
}




}