Java Tutorial/SWT/Splash Screen

Create a splash screen

   <source lang="java">

/*******************************************************************************

* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*     IBM Corporation - initial API and implementation
*******************************************************************************/

//package org.eclipse.swt.snippets; /*

* Shell example snippet: create a splash screen
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*/

import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.GC; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.layout.FormAttachment; import org.eclipse.swt.layout.FormData; import org.eclipse.swt.layout.FormLayout; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.ProgressBar; import org.eclipse.swt.widgets.Shell; public class SplashScreenCreate {

 public static void main(String[] args) {
   final Display display = new Display();
   final int[] count = new int[] { 4 };
   final Image image = new Image(display, 300, 300);
   GC gc = new GC(image);
   gc.setBackground(display.getSystemColor(SWT.COLOR_CYAN));
   gc.fillRectangle(image.getBounds());
   gc.drawText("Splash Screen", 10, 10);
   gc.dispose();
   final Shell splash = new Shell(SWT.ON_TOP);
   final ProgressBar bar = new ProgressBar(splash, SWT.NONE);
   bar.setMaximum(count[0]);
   Label label = new Label(splash, SWT.NONE);
   label.setImage(image);
   FormLayout layout = new FormLayout();
   splash.setLayout(layout);
   FormData labelData = new FormData();
   labelData.right = new FormAttachment(100, 0);
   labelData.bottom = new FormAttachment(100, 0);
   label.setLayoutData(labelData);
   FormData progressData = new FormData();
   progressData.left = new FormAttachment(0, 5);
   progressData.right = new FormAttachment(100, -5);
   progressData.bottom = new FormAttachment(100, -5);
   bar.setLayoutData(progressData);
   splash.pack();
   Rectangle splashRect = splash.getBounds();
   Rectangle displayRect = display.getBounds();
   int x = (displayRect.width - splashRect.width) / 2;
   int y = (displayRect.height - splashRect.height) / 2;
   splash.setLocation(x, y);
   splash.open();
   display.asyncExec(new Runnable() {
     public void run() {
       Shell[] shells = new Shell[count[0]];
       for (int i = 0; i < count[0]; i++) {
         shells[i] = new Shell(display);
         shells[i].setSize(300, 300);
         shells[i].addListener(SWT.Close, new Listener() {
           public void handleEvent(Event e) {
             --count[0];
           }
         });
         bar.setSelection(i + 1);
         try {
           Thread.sleep(1000);
         } catch (Throwable e) {
         }
       }
       splash.close();
       image.dispose();
       for (int i = 0; i < count[0]; i++) {
         shells[i].open();
       }
     }
   });
   while (count[0] != 0) {
     if (!display.readAndDispatch())
       display.sleep();
   }
   display.dispose();
 }

}</source>