在Java编程中,怎么将程序最小化到托盘中
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package awt;
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.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
public class TrayDemo extends JFrame {
private TrayIcon trayIcon = null; // 托盘图标
private SystemTray tray = null; // 本操作系统托盘的实例
public static TrayDemo trayDemo = new TrayDemo();
private TrayDemo() {
init();
}
public void init() {
if (SystemTray.isSupported()) { // 如果操作系统支持托盘
this.tray();
}
this.setSize(300, 200);
this.setResizable(false);
// 窗口关闭时触发事件
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
public void windowIconified(WindowEvent 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
dispose();
} catch (AWTException ex) {
ex.printStackTrace();
}
}
});
}
private void tray() {
tray = SystemTray.getSystemTray(); // 获得本操作系统托盘的实例
ImageIcon icon = new ImageIcon("images/30.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("打开程序(s)");
MenuItem exit = new MenuItem("退出程序(x)");
pop.add(show);
pop.add(exit);
trayIcon = new TrayIcon(icon.getImage(), "车辆管理系统", pop);
/**
* 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
setExtendedState(JFrame.NORMAL);
setVisible(true); // 显示窗口
toFront();
}
}
});
show.addActionListener(new ActionListener() { // 点击“显示窗口”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
setExtendedState(JFrame.NORMAL);
setVisible(true); // 显示窗口
toFront();
}
});
exit.addActionListener(new ActionListener() { // 点击“退出演示”菜单后退出程序
public void actionPerformed(ActionEvent e) {
System.exit(0); // 退出程序
}
});
}
/**
* 显示信息
*/
// 返回单一的实例对象
public static TrayDemo getInstanceTrayDemo() {
return trayDemo;
}
// 处理窗口事件
}
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.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
public class TrayDemo extends JFrame {
private TrayIcon trayIcon = null; // 托盘图标
private SystemTray tray = null; // 本操作系统托盘的实例
public static TrayDemo trayDemo = new TrayDemo();
private TrayDemo() {
init();
}
public void init() {
if (SystemTray.isSupported()) { // 如果操作系统支持托盘
this.tray();
}
this.setSize(300, 200);
this.setResizable(false);
// 窗口关闭时触发事件
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
public void windowIconified(WindowEvent 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
dispose();
} catch (AWTException ex) {
ex.printStackTrace();
}
}
});
}
private void tray() {
tray = SystemTray.getSystemTray(); // 获得本操作系统托盘的实例
ImageIcon icon = new ImageIcon("images/30.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("打开程序(s)");
MenuItem exit = new MenuItem("退出程序(x)");
pop.add(show);
pop.add(exit);
trayIcon = new TrayIcon(icon.getImage(), "车辆管理系统", pop);
/**
* 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
setExtendedState(JFrame.NORMAL);
setVisible(true); // 显示窗口
toFront();
}
}
});
show.addActionListener(new ActionListener() { // 点击“显示窗口”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
setExtendedState(JFrame.NORMAL);
setVisible(true); // 显示窗口
toFront();
}
});
exit.addActionListener(new ActionListener() { // 点击“退出演示”菜单后退出程序
public void actionPerformed(ActionEvent e) {
System.exit(0); // 退出程序
}
});
}
/**
* 显示信息
*/
// 返回单一的实例对象
public static TrayDemo getInstanceTrayDemo() {
return trayDemo;
}
// 处理窗口事件
}
参考资料: http://hi.baidu.com/shdxiahui/blog/item/ff631530e4468f9fa9018ea0.html
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