Java 系统托盘

实例（JDK 6）

package systray;

import java.awt.AWTException;
import java.awt.Image;
import java.awt.MenuItem;
import java.awt.PopupMenu;
import java.awt.SystemTray;
import java.awt.Toolkit;
import java.awt.TrayIcon;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JFrame;
import javax.swing.JLabel;

public class TestSysteTray {
 static JFrame frame;
 public static void main(String args[]){
            
  TrayIcon trayIcon = null;
  frame = new JFrame();
        frame.setBounds(400,400,200,200);
        JLabel label =new JLabel("welcome JDK1.6");
        frame.add(label);
        frame.setVisible(true); 
  
  
  if(SystemTray.isSupported()) {//判断系统是否支持系统托盘
            SystemTray tray = SystemTray.getSystemTray(); //获取系统托盘
            Image image = Toolkit.getDefaultToolkit().getImage("images/user_edit.png");//载入图片
            ActionListener listener = new ActionListener() {
               public void actionPerformed(ActionEvent e) {            
                   frame.setVisible(true);                                 
               }
           };
       
           //创建托盘图标的右键弹出菜单，open与exit.
           PopupMenu popup = new PopupMenu();
           MenuItem defaultItem = new MenuItem("open");
           defaultItem.addActionListener(listener);
           MenuItem exitItem = new MenuItem("exit");
           exitItem.addActionListener(new ActionListener(){
              public void actionPerformed(ActionEvent e) {
                 System.exit(0);                                  
           
              }                       
           });
          popup.add(defaultItem);
          popup.add(exitItem);
          trayIcon = new TrayIcon(image, "My System Tray ", popup);//创建托盘图标        
     
          trayIcon.addActionListener(listener);//双击托盘图标时打开窗体
          try {
               tray.add(trayIcon);//将图标加入到系统托盘区
           } catch (AWTException e1) {                       
               e1.printStackTrace();
          }
      }
   }
}