如何在任務欄顯示java程序圖標

2019-11-17 04:09:12

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來源：轉載

供稿：網友

該代碼實現了在系統右下角的任務欄中顯示程序的圖標，并且最小化程序后單擊圖標可以顯示出來這個程序窗口。

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import java.awt.Color;
import java.awt.Image;
import java.awt.MenuItem;
import java.awt.PopupMenu;
import java.awt.Toolkit;


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


public class test extends JFrame
{
long setTime = 30*1000;

JLabel jl = new JLabel("剩余時間：");

JLabel jl1 = new JLabel();

PopupMenu popupMenu1 = new PopupMenu();
MenuItem menuItem1 = new MenuItem();

public examTime(){
   this.setLocation(200, 200);
   this.setSize(300, 200);
   isTray();
   this.setVisible(true);
   addWindowListener(new WindowAdapter()
     {
         public void windowIconified(WindowEvent evt)
         {
         unVisible();
         }
     });

   popupMenu1.setLabel("PopupMenu");
        menuItem1.setLabel("打開");
        menuItem1.addActionListener(new ActionListener()
        {
            public void actionPerformed(ActionEvent evt)
            {
            showw();
            }
        });
        popupMenu1.add(menuItem1);
}

public void unVisible(){
   this.setVisible(false);
}

public void showw(){
   this.setVisible(true);
}
public void isTray()
    {
        try
        {
          if (SystemTray.isSupported())
          {// 判斷當前平臺是否支持系統托盤
            SystemTray st = SystemTray.getSystemTray();
            Image image = Toolkit.getDefaultToolkit().getImage(
               "E:/eclipse/workspace/test/test.gif");//定義托盤圖標的圖片
           TrayIcon ti = new TrayIcon( image);
           ti.setToolTip ( "test ");
           ti.setPopupMenu ( this.popupMenu1);
           st.add(ti);
          }
        }
        catch (Exception e)
        {

        }


    }
public static void main(String[] args)
    {
        new test();
    }
}

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