gamemidlet.java

蓝牙技术 本游戏来源于网络

// Copyright 2003 Nokia Corporatio.
//
// THIS SOURCE CODE IS PROVIDED 'AS IS', WITH NO WARRANTIES WHATSOEVER,
// EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY, FITNESS
// FOR ANY PARTICULAR PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE
// OR TRADE PRACTICE, RELATING TO THE SOURCE CODE OR ANY WARRANTY OTHERWISE
// ARISING OUT OF ANY PROPOSAL, SPECIFICATION, OR SAMPLE AND WITH NO
// OBLIGATION OF NOKIA TO PROVIDE THE LICENSEE WITH ANY MAINTENANCE OR
// SUPPORT. FURTHERMORE, NOKIA MAKES NO WARRANTY THAT EXERCISE OF THE
// RIGHTS GRANTED HEREUNDER DOES NOT INFRINGE OR MAY NOT CAUSE INFRINGEMENT
// OF ANY PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OWNED OR CONTROLLED
// BY THIRD PARTIES
//
// Furthermore, information provided in this source code is preliminary,
// and may be changed substantially prior to final release. Nokia Corporation
// retains the right to make changes to this source code at
// any time, without notice. This source code is provided for informational
// purposes only.
//
// Nokia and Nokia Connecting People are registered trademarks of Nokia
// Corporation.
// Java and all Java-based marks are trademarks or registered trademarks of
// Sun Microsystems, Inc.
// Other product and company names mentioned herein may be trademarks or
// trade names of their respective owners.
//
// A non-exclusive, non-transferable, worldwide, limited license is hereby
// granted to the Licensee to download, print, reproduce and modify the
// source code. The licensee has the right to market, sell, distribute and
// make available the source code in original or modified form only when
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// unnamed package

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

public class GameMIDlet
    extends MIDlet
{
    private Dictionary dict;
    private GMCanvas gmCanvas;
    private boolean initDone = false;


    public GameMIDlet()
    {
    }


    public void startApp()
    {
        Displayable current = Display.getDisplay(this).getCurrent();
        if (current == null)
        {
            // first time we've been called
            Display.getDisplay(this).setCurrent(new SplashScreen(this));
        }
        else
        {
            if (current == gmCanvas)
            {
                gmCanvas.start();
            }
            Display.getDisplay(this).setCurrent(current);
        }
    }


    public void pauseApp()
    {
        Displayable current = Display.getDisplay(this).getCurrent();
        if (current == gmCanvas)
        {
            gmCanvas.stop();
        }
    }


    public void destroyApp(boolean unconditional)
    {
        if (gmCanvas != null)
        {
        	gmCanvas.storeGame();
            gmCanvas.stop();   // kill its animation thread
        }
    }


    public synchronized void init()
    {
        if (!initDone)
        {
            initDone = true;
            gmCanvas = new GMCanvas(this);
			dict = new Dictionary(gmCanvas, System.getProperty("microedition.locale"),
								System.getProperty("microedition.encoding"));
			gmCanvas.dict = dict;
        }
    }

    void splashScreenDone()
    {
        init();   // if not already done
        Display.getDisplay(this).setCurrent(gmCanvas);
        gmCanvas.start();
    }

    void menuListQuit()
    {
        destroyApp(false);
        notifyDestroyed();
    }

    static Image createImage(String filename)
    {
        Image image = null;
        try
        {
            image = Image.createImage(filename);
        }
        catch (java.io.IOException e)
        {
            // just let return value be null
			System.out.println("Error loading Image "+filename+" "+e.getMessage());
		}
        return image;
    }

}