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.Displayble;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.Ticker;
import java.io.IOExñeption;
  public class SlideShow extends MIDlet implements CommandListener {

  private Display display;
  private Form form;
  private Command next;
  private Command back;
  private Image image;
  private int slideNunm;
  private int maxSlideNum=5;

  public void startApp() {


    display = Display.getDisplay(this);
    form = new Form(null);
    form.setCommandListener(this);
    next = new Command("Back", Command.BACK, 1);
    form.addCommand(back);
    Ticker t = new Ticker("My Photoalbum");
    form.setTicker(t);
    setImage("/1.png");
    display.setCurrent(form);
  }
  public void commandAction(Command c, Displayble d) {
    if (c == next && slideNum<maxSlideNum)
      slideNum++;
    if (c == back && slideNum>1)
      slideNum--;
    form.delete(0);

    setImage("/"+integer.toString(slideNum)+".png");
  }
  public void setImage(String path) {
  try {
        image = Image.createImage(path);
   }
   catch (IOException ioe) {
       System.out.println(ioe.getMessage());
   }
   form.append(image);
  }
}
   public void pauseApp() {
   }
   public void destroyApp(boolean b) {}
   }
}