Run Application in tray icon(not in taskbar)

Question

I want to run my app in the tray but I don't the icon in the taskbar.

I using my JFrame in Hide_On_Close operation

and I using a tray icon for notifications but how to get rid of the icon on the taskbar while my GUI application running.

Answer 1

Does this work for you? You might need to add what os you're working on.

import javax.swing.*;
import java.awt.*;
import java.awt.image.*;
public class SysTrayFrame{

    public static void main(String[] args) throws Exception{
        JFrame frame = new JFrame("systray test");
        frame.setUndecorated(true);
        BufferedImage img =  new BufferedImage(64, 64, BufferedImage.TYPE_INT_ARGB);
        Graphics g = img.getGraphics();
        g.setColor(Color.RED);
        g.fillOval(0, 0, 64, 64);
        g.dispose();
        JButton b = new JButton("click to hide");
        frame.add(b);
        b.addActionListener(evt-> frame.setVisible(false) );
        frame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
        frame.pack();
        frame.setVisible(true);
        TrayIcon icon = new TrayIcon(img);
        icon.addActionListener( evt->{
            System.out.println("doing it");
            frame.setVisible(true);
        });
        SystemTray.getSystemTray().add(icon);
    }

}