J2ME

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Java

SoundEffects.java：源码内容

							import javax.microedition.media.*;
import java.io.*;
class SoundEffects
{
    private static SoundEffects instance;
    private Player blastSoundPlayer;
    private SoundEffects()
    {
        blastSoundPlayer = createPlayer("/blast.wav", "audio/x-wav");
        
    }
    static SoundEffects getInstance()
    {
        if (instance == null)
        {
            instance = new SoundEffects();
        }
        return instance;
    }
    void startBlastSound()
    {
        startPlayer(blastSoundPlayer);
    }
    void startGameOverSound()
    {
        startPlayer(createPlayer("/gameover.mid", "audio/midi"));
    }
    
    void startHighScoreSound()
    {
        startPlayer(createPlayer("/highscore.mid", "audio/midi"));
    }
    
    private void startPlayer(Player p)
    {
        if (p != null)
        {
            try
            {
                p.stop();
                p.setMediaTime(0L);
                p.start();
            }
            catch (MediaException me)
            {
                // ignore
            }
        }
    }
    private Player createPlayer(String filename, String format)
    {
        Player p = null;
        try
        {
            InputStream is = getClass().getResourceAsStream(filename);
            p = Manager.createPlayer(is, format);
            p.prefetch();
        }
        catch (IOException ioe)
        {
            // ignore
        }
        catch (MediaException me)
        {
            // ignore
        }
        return p;
    }
}

						