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Java: How to remove Icon from TrayIcon

Java: How to remove Icon from TrayIcon
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import java.awt.AWTException;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.SystemTray;
import java.awt.TrayIcon;
import java.awt.image.BufferedImage;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
public class SystemTrayDemo1
{
  public static void main(String[] args) throws Exception
  {
    if (!SystemTray.isSupported())
    {
      return;
    }
    SystemTray tray = SystemTray.getSystemTray();
    PropertyChangeListener pcl;
    pcl = new PropertyChangeListener() {
      public void propertyChange(PropertyChangeEvent pce)
      {
        System.out.println("Property changed = " + pce.getPropertyName());
        TrayIcon[] tia = (TrayIcon[]) pce.getOldValue();
        if (tia != null) {
          System.out.println("Old tray icon array contents: ");
          for (int i = 0; i < tia.length; i++)
            System.out.println(tia[i]);
          System.out.println();
        }
        tia = (TrayIcon[]) pce.getNewValue();
        if (tia != null) {
          System.out.println("New tray icon array contents: ");
          for (int i = 0; i < tia.length; i++)
            System.out.println(tia[i]);
          System.out.println();
        }
      }
    };
    tray.addPropertyChangeListener("trayIcons", pcl);
    Dimension size = tray.getTrayIconSize();
    BufferedImage bi = new BufferedImage(size.width, size.height, BufferedImage.TYPE_INT_RGB);
    Graphics g = bi.getGraphics();
    g.setColor(Color.blue);
    g.fillRect(0, 0, size.width, size.height);
    g.setColor(Color.yellow);
    int ovalSize = (size.width < size.height) ? size.width : size.height;
    ovalSize /= 2;
    g.fillOval(size.width / 4, size.height / 4, ovalSize, ovalSize);
    TrayIcon icon = null;
    tray.add(icon = new TrayIcon(bi));
    Thread.sleep(3000);
    tray.remove(icon);
    Thread.sleep(3000);
    System.exit(0);
  }
}

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  • change tray icon color java
  • trayicon program in java swing

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