java語言 托盤控制 任務欄

import java.util.*;
import java.io.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class Test extends JFrame {

	public Test() {
		final TrayIcon trayIcon;
		if (SystemTray.isSupported()) {

			SystemTray tray = SystemTray.getSystemTray();
			Image image = Toolkit.getDefaultToolkit().getImage("src/pic/head.gif");

			MouseListener mouseListener = new MouseListener() {

				public void mouseClicked(MouseEvent e) {
					System.out.println("Tray Icon - Mouse clicked!");
				}

				public void mouseEntered(MouseEvent e) {
					System.out.println("Tray Icon - Mouse entered!");
				}

				public void mouseExited(MouseEvent e) {
					System.out.println("Tray Icon - Mouse exited!");
				}

				public void mousePressed(MouseEvent e) {
					System.out.println("Tray Icon - Mouse pressed!");
				}

				public void mouseReleased(MouseEvent e) {
					System.out.println("Tray Icon - Mouse released!");
				}
			};

			ActionListener exitListener = new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					System.out.println("Exiting...");
					System.exit(0);
				}
			};

			PopupMenu popup = new PopupMenu();
			MenuItem defaultItem = new MenuItem("Exit");
			defaultItem.addActionListener(exitListener);
			popup.add(defaultItem);

			trayIcon = new TrayIcon(image, "Tray Demo", popup);

			ActionListener actionListener = new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					trayIcon.displayMessage("Action Event",
							"An Action Event Has Been Performed!",
							TrayIcon.MessageType.INFO);
				}
			};

			trayIcon.setImageAutoSize(true);
			trayIcon.addActionListener(actionListener);
			trayIcon.addMouseListener(mouseListener);

			try {
				tray.add(trayIcon);
			} catch (AWTException e) {
				System.err.println("TrayIcon could not be added.");
			}

		} else {

			//  System Tray is not supported

		}
	}

	public static void main(String[] args) {
		Test t = new Test();
	}

}

閱讀文獻：http://java.sun.com/developer/technicalArticles/J2SE/Desktop/javase6/systemtray/