Java6实现闪屏窗口 Splash Screen详解编程语言

public class JDK6SplashTest extends Frame{ static void renderSplashFrame(Graphics2D g, int frame) { final String[] comps = { "foo", "bar", "baz" }; g.setComposite(AlphaComposite.Clear); g.fillRect(130, 250, 280, 40); g.setPaintMode(); g.setColor(Color.BLACK); g.drawString("Loading " + comps[(frame / 5) % 3] + "...", 130, 260); g.fillRect(130, 270, (frame * 10) % 280, 20); public JDK6SplashTest() { super("SplashScreen demo"); setSize(500, 300); setLayout(new BorderLayout()); Menu m1 = new Menu("File"); MenuItem mi1 = new MenuItem("Exit"); m1.add(mi1); mi1.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ System.exit(0); }); MenuBar mb = new MenuBar(); setMenuBar(mb); mb.add(m1); final SplashScreen splash = SplashScreen.getSplashScreen(); if (splash == null) { System.out.println("SplashScreen.getSplashScreen() returned null"); return; Graphics2D g = (Graphics2D) splash.createGraphics(); if (g == null) { System.out.println("g is null"); return; for (int i = 0; i 100; i++) { renderSplashFrame(g, i); splash.update(); try { Thread.sleep(200); } catch (InterruptedException e) { splash.close(); setVisible(true); toFront(); public static void main(String args[]) { JDK6SplashTest test = new JDK6SplashTest(); }

11040.html

cjava