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Nội dung: <blockquote data-quote="hoanglan89" data-source="post: 69112" data-attributes="member: 1881">Giới thiệu mọi người 2 đoạn code để tạo và hủy System Tray icon trong nhóm lập trình Java cơ bản : Thiết kế giao diện GUI.Đoạn code Tạo System Tray icon?import java.awt.AWTException;import java.awt.Image;import java.awt.SystemTray;import java.awt.Toolkit;import java.awt.TrayIcon;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;public class Test {static Image image = Toolkit.getDefaultToolkit().getImage("https://diendankienthuc.net/diendan/images/tray.gif");static TrayIcon trayIcon = new TrayIcon(image, "Tester2&Prime<img src="https://cdn.jsdelivr.net/gh/twitter/twemoji@14.0.2/assets/72x72/1f609.png" class="smilie smilie--emoji" loading="lazy" width="72" height="72" alt=";)" title="Wink    ;)"  data-smilie="2"data-shortname=";)" />;public static void main(String[] a) throws Exception {if (SystemTray.isSupported()) {SystemTray tray = SystemTray.getSystemTray();trayIcon.setImageAutoSize(true);trayIcon.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {System.out.println("In here");trayIcon.displayMessage("Tester!", "Some action performed", TrayIcon.MessageType.INFO);}});try {tray.add(trayIcon);} catch (AWTException e) {System.err.println("TrayIcon could not be added.");}}}}Hủy bỏ System tray icon?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);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);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);}}Theo: Blog vovanhai</blockquote>

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