TrayIcon.isImageAutoSize() has the following syntax.
public boolean isImageAutoSize()
In the following code shows how to use TrayIcon.isImageAutoSize() method.
import java.awt.Color; import java.awt.Dimension; import java.awt.Graphics; 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.MouseEvent; import java.awt.event.MouseListener; import java.awt.event.MouseMotionListener; import java.awt.image.BufferedImage; //from w w w. j a va 2s. co m public class Main { public static void main(String[] args) throws Exception { if (!SystemTray.isSupported()) { return; } SystemTray tray = SystemTray.getSystemTray(); 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); PopupMenu popup = new PopupMenu(); MenuItem miExit = new MenuItem("Exit"); ActionListener al; al = new ActionListener() { public void actionPerformed(ActionEvent e) { System.exit(0); } }; miExit.addActionListener(al); popup.add(miExit); TrayIcon ti = new TrayIcon(bi, "System Tray Demo #2"); ti.setPopupMenu(popup); al = new ActionListener() { public void actionPerformed(ActionEvent e) { System.out.println(e.getActionCommand()); } }; ti.setActionCommand("My Icon"); ti.addActionListener(al); MouseListener ml = new MouseListener() { public void mouseClicked(MouseEvent e) { System.out.println("Tray icon: Mouse clicked"); } public void mouseEntered(MouseEvent e) { System.out.println("Tray icon: Mouse entered"); } public void mouseExited(MouseEvent e) { System.out.println("Tray icon: Mouse exited"); } public void mousePressed(MouseEvent e) { System.out.println("Tray icon: Mouse pressed"); } public void mouseReleased(MouseEvent e) { System.out.println("Tray icon: Mouse released"); } }; ti.addMouseListener(ml); MouseMotionListener mml = new MouseMotionListener() { public void mouseDragged(MouseEvent e) { System.out.println("Tray icon: Mouse dragged"); } public void mouseMoved(MouseEvent e) { System.out.println("Tray icon: Mouse moved"); } }; ti.addMouseMotionListener(mml); boolean bool = ti.isImageAutoSize(); tray.add(ti); } }