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    copied!<p>This example was inspired from <a href="https://www.google.com/search?q=AnimatedIconTableExample.java" rel="nofollow">AnimatedIconTableExample.java</a></p> <pre><code>import java.awt.*; import java.awt.image.*; import java.net.*; import javax.swing.*; import javax.swing.plaf.basic.*; class MainPanel { public JComponent makeUI() { JComboBox combo = new JComboBox(); URL url1 = getClass().getResource("static.png"); URL url2 = getClass().getResource("animated.gif"); combo.setModel(new DefaultComboBoxModel(new Object[] { new ImageIcon(url1), makeImageIcon(url2, combo, 1) })); JPanel p = new JPanel(); p.add(combo); return p; } private static ImageIcon makeImageIcon( URL url, final JComboBox combo, final int row) { ImageIcon icon = new ImageIcon(url); icon.setImageObserver(new ImageObserver() { //http://www2.gol.com/users/tame/swing/examples/SwingExamples.html //AnimatedIconTableExample.java @Override public boolean imageUpdate( Image img, int infoflags, int x, int y, int w, int h) { if(combo.isShowing() &amp;&amp; (infoflags &amp; (FRAMEBITS|ALLBITS)) != 0) { if(combo.getSelectedIndex()==row) { combo.repaint(); } BasicComboPopup p = (BasicComboPopup) combo.getAccessibleContext().getAccessibleChild(0); JList list = p.getList(); if(list.isShowing()) { list.repaint(list.getCellBounds(row, row)); } } return (infoflags &amp; (ALLBITS|ABORT)) == 0; }; }); return icon; } public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { @Override public void run() { createAndShowGUI(); } }); } public static void createAndShowGUI() { JFrame f = new JFrame(); f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); f.getContentPane().add(new MainPanel().makeUI()); f.setSize(320, 240); f.setLocationRelativeTo(null); f.setVisible(true); } } </code></pre>
 

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