import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.Ticker;
import java.io.IOException;
public class SlideShow extends MIDlet impliments CommandListener {

private Display display;
private Form form;
private Command next;
private Command back;
private Image image;
private int slideNum
private maxslideNum=5

public void startApp()
display = Display.getDisplay(this);
form = new Form(null);
form.setCommandListener(this);
next = new Command("Next", Command.OK, 1);
back = new Command("Back", Command.BACK, 1);
form.addCommand(next);
form.addCommand(back);
Ticker t = new Ticker("My Photoalbum");
form.setTicker(t);
setImage("/1.png");
display.setCurrent(form);
}
public void commandAction(Command c, Displayable d)
{
if(c  ==  next && slideNum<maxslideNum)
slideNum++;
if(c  ==  back && slideNum>1)
slideNum-;
form.delete(0);
setImage("/"+Integer.toString(slideNum)+".png");
public void setImage(Sting path)
{
try{
image = Image.createImage(path);
}
catch(IOException ioe) {System.out.printIn(ioe.getMessage());
}
}