系统托盘代码,Java代码库,德仔网

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【Java】系统托盘
作者:火狼刘兴 / 发布于2013/9/10/ 747

	import java.awt.AWTException;
	import java.awt.MenuItem;
	import java.awt.PopupMenu;
	import java.awt.SystemTray;
	import java.awt.TrayIcon;
	import java.awt.event.ActionEvent;
	import java.awt.event.ActionListener;
	import java.awt.event.MouseAdapter;
	import java.awt.event.MouseEvent;
	import java.awt.event.WindowEvent;
	import java.awt.event.WindowStateListener;

	import javax.swing.ImageIcon;
	import javax.swing.JButton;
	import javax.swing.JFrame;
	import javax.swing.JLabel;
	import javax.swing.JOptionPane;
	import javax.swing.JPanel;
	import javax.swing.Timer;
	import javax.swing.UIManager;

	/**
	*
	* @author Mr.LiuTao
	*/
	public class TrayByJdk extends JFrame implements ActionListener{
	
	 private JPanel pane = null;
	 private JButton button = null; // 启动托盘图标的按钮
	 private JLabel label = null; // 用来显示系统是否支持托盘的信息
	 private TrayIcon trayIcon = null; // 托盘图标
	 private Timer shanshuo = null;
	 private ImageIcon icon1 = null;
	 private ImageIcon icon2 = null;
	 private SystemTray tray = null; // 本操作系统托盘的实例
	 boolean gengai = false;
	 //采用jdk1.6的托盘技术 实现跨平台的应用
	 public TrayByJdk() {
	 //super("托盘技术演示");
	 icon1 = new ImageIcon("G:\\javaworks\\eclipsework\\山寨QQClient\\images\\16.gif"); // 将要显示到托盘中的图标
	 icon2 = new ImageIcon("G:\\javaworks\\eclipsework\\山寨QQClient\\images\\15.gif"); // 将要显示到托盘中的图标
	 try {
	 // 将LookAndFeel设置成Windows样式
	 UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
	 } catch (Exception ex) {
	 ex.printStackTrace();
	 }
	 pane = new JPanel();
	 button = new JButton("缩小到托盘");
	 button.setEnabled(false);
	 label = new JLabel("本操作系统不支持托盘");
	 pane.add(label);
	 pane.add(button);
	 //判断是否支持托盘
	 if (SystemTray.isSupported()) {
	 this.tray();
	 }
	 shanshuo = new Timer(1000,this);
	 shanshuo.start();
	 this.getContentPane().add(pane);
	 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	 this.setSize(300, 200);
	 this.addWindowStateListener(new WindowStateListener () {
	 public void windowStateChanged(WindowEvent state) {
	 if(state.getNewState() == 1 || state.getNewState() == 7) {
	 yinca();
	 }
	 }
	 });
	
	 this.setVisible(false);
	 System.out.println("=============="+this.isVisible());
	 }

	 /**
	 * 托盘相关代码
	 */
	 private void tray() {
	 label.setText("本操作系统支持托盘");
	 button.setEnabled(true);
	 tray = SystemTray.getSystemTray(); // 获得本操作系统托盘的实例
	 //ImageIcon icon = new ImageIcon("tray.gif"); // 将要显示到托盘中的图标
	
	 PopupMenu pop = new PopupMenu(); // 构造一个右键弹出式菜单
	 MenuItem show = new MenuItem("显示窗口");
	 MenuItem exit = new MenuItem("退出演示");
	 MenuItem author = new MenuItem("Author");
	
	
	 /**
	 * TrayIcon有三个构造
	 * TrayIcon(Image image) 用&ldquo;图标&rdquo;来构造
	 * TrayIcon(Image image, String tooltip) 用&ldquo;图标&rdquo;和&ldquo;ToolTip&rdquo;构造
	 * TrayIcon(Image image, String tooltip, PopupMenu popup) 用&ldquo;图标&rdquo;，&ldquo;ToolTip&rdquo;，&ldquo;弹出菜单&rdquo;来构造一个托盘图标
	 */
	 trayIcon = new TrayIcon(icon1.getImage(), "托盘技术演示", pop);
	 // 点击本按钮后窗口被关闭，托盘图标被添加到系统的托盘中
	 button.addActionListener(new ActionListener() {

	 public void actionPerformed(ActionEvent e) {
	
	 try {
	 tray.add(trayIcon); // 将托盘图标添加到系统的托盘实例中
	 setVisible(false); // 使窗口不可视
	 } catch (AWTException ex) {
	 ex.printStackTrace();
	 }
	 }
	 });
	 /**
	 * 添加鼠标监听器，当鼠标在托盘图标上双击时，默认显示窗口
	 */
	 trayIcon.addMouseListener(new MouseAdapter() {

	 public void mouseClicked(MouseEvent e) {
	 if (e.getClickCount() == 2) { // 鼠标双击
	 tray.remove(trayIcon); // 从系统的托盘实例中移除托盘图标
	 setVisible(true); // 显示窗口
	 }
	 }
	 });
	 show.addActionListener(new ActionListener() { // 点击&ldquo;显示窗口&rdquo;菜单后将窗口显示出来

	 public void actionPerformed(ActionEvent e) {
	 tray.remove(trayIcon); // 从系统的托盘实例中移除托盘图标
	 setVisible(true); // 显示窗口
	 }
	 });
	 exit.addActionListener(new ActionListener() { // 点击&ldquo;退出演示&rdquo;菜单后推出程序

	 public void actionPerformed(ActionEvent e) {
	 System.exit(0); // 退出程序
	 }
	 });
	 author.addActionListener(new ActionListener() { // 点击&ldquo;退出演示&rdquo;菜单后推出程序

	 public void actionPerformed(ActionEvent e) {
	 showMessage();
	 }
	 });
	 pop.add(show);
	 pop.add(exit);
	 pop.add(author);
	 }

	 /**
	 * 显示信息
	 */
	 private void showMessage() {
	 JOptionPane.showMessageDialog(this, new JLabel("这是一个系统托盘"), "消息", JOptionPane.INFORMATION_MESSAGE);
	 }

	 public static void main(String[] args) {
	 new TrayByJdk().yinca();
	 }
	
	
	
	 public void yinca(){
	 try {
	 tray.add(trayIcon);
	 } catch (AWTException e) {
	 // TODO Auto-generated catch block
	 e.printStackTrace();
	 } // 将托盘图标添加到系统的托盘实例中
	 setVisible(false); // 使窗口不可视
	 }

	@Override
	public void actionPerformed(ActionEvent arg0) {
	 if(!gengai){
	 trayIcon.setImage(icon2.getImage());
	 gengai = true;
	 }else{
	 trayIcon.setImage(icon1.getImage());
	 gengai = false;
	 }
	}
	
	
	}
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