Animated JLabel by showing a list of images in Java

 /* ww w.jav a  2s  . c o  m*/
import java.awt.Graphics;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JLabel;

public class AnimatedLabel extends JLabel implements Runnable {
  protected Icon[] icons;

  protected int index = 0;

  protected boolean isRunning;

  public AnimatedLabel(String gifName, int numGifs) {
    icons = new Icon[numGifs];
    for (int i = 0; i < numGifs; i++)
      icons[i] = new ImageIcon(gifName + i + ".gif");
    setIcon(icons[0]);

    Thread tr = new Thread(this);
    tr.setPriority(Thread.MAX_PRIORITY);
    tr.start();
  }

  public void setRunning(boolean r) {
    isRunning = r;
  }

  public boolean getRunning() {
    return isRunning;
  }

  public void run() {
    while (true) {
      if (isRunning) {
        index++;
        if (index >= icons.length)
          index = 0;
        setIcon(icons[index]);
        Graphics g = getGraphics();
        icons[index].paintIcon(this, g, 0, 0);
      } else {
        if (index > 0) {
          index = 0;
          setIcon(icons[0]);
        }
      }
      try {
        Thread.sleep(500);
      } catch (Exception ex) {
      }
    }
  }
}