jbricksmidlet.java

this a game,you can learn the j2me content by this project

/*
 * Copyright (c) 2002, 2003 Sun Microsystems, Inc. All Rights Reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * - Redistribution of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * - Redistribution in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * Neither the name of Sun Microsystems, Inc., 'Java', 'Java'-based
 * names, or the names of contributors may be used to endorse or promote
 * products derived from this software without specific prior written
 * permission.
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
 * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
 * MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
 * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
 * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
 * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
 * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
 * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 * You acknowledge that this software is not designed, licensed or
 * intended for use in the design, construction, operation or maintenance
 * of any nuclear facility. $Id: JBricksMIDlet.java,v 1.1 2003/06/03 00:55:31 zull Exp $
 */
package com.sun.j2me.blueprints.jbricks;

import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.*;

/**
 * This class is the entry point for JBricks.
 * It extends the MIDlet class, creates and
 * initializes the screen and engine objects,
 * handles pause and terminate requests from
 * the system, and provides handling code for
 * soft button presses.
 */
public class JBricksMIDlet extends MIDlet implements CommandListener {
    private Engine engine;
    private Command exit;

    public void startApp() {
        exit = new Command("Exit", Command.EXIT, 1);

        Screen screen = new Screen();

        screen.setCommandListener(this);
        screen.addCommand(exit);

        engine = new Engine(screen);

        Display.getDisplay(this).setCurrent(screen);
    } 

    public void pauseApp() {}

    public void destroyApp(boolean unc) {
        engine.stop();
        Display.getDisplay(this).setCurrent(null);
    } 

    public void commandAction(Command cmd, Displayable s) {
        if (cmd == exit) {
            destroyApp(true);
            notifyDestroyed();
        } 
    } 

}