media.java

这是一款功能完备的横版闯关手机游戏

import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.media.PlayerListener;

public class Media //implements PlayerListener
{
    public static final int STATE_PLAYING = 0;
    public static final int STATE_PAUSE = 1;
    public static final int STATE_STOP = 2;
    public static final String TYPE_WAVE = "audio/x-wav";
    public static final String TYPE_AU = "audio/basic";
    public static final String TYPE_MP3 = "audio/mpeg";
    public static final String TYPE_MIDI = "audio/midi";
    public static final String TYPE_Tone = "audio/x-tone-seq";
    
    protected  int state;
    protected  Player player;
    protected  String name;
    protected  String type;
    protected  boolean loop;
    protected  boolean isBusy;
    
    public Media(String name,String type,boolean loop) {
        this.name=name;
        this.type=type;
        this.loop=loop;
        state=STATE_STOP;
    }
    private void load() {
        try {
            if(player!=null)
                return ;
            player = Manager.createPlayer(this.getClass().getResourceAsStream(name),type);
            player.realize();
            if(loop) player.setLoopCount(-1);
            //player.addPlayerListener(this);
        } catch (Exception e){}
    }
    private void release() {
        try {
            if(player!=null) {
                player.stop();
                //player.removePlayerListener(this);
                player.deallocate();
                player.close();
                player=null;
            }
        } catch(Exception e){}
    }
    //锟斤拷锟斤拷
    public synchronized void play() {
        //	System.out.println("闊充箰寮?濮嬫挱鏀?1111111111111111");
        try {
            if(!isBusy && state==STATE_STOP) {
                isBusy=true;
                load();
                state=STATE_PLAYING;
                player.prefetch();
                //player.setMediaTime(0);
                player.start();
            }
        } catch (Exception e){
            //	      	System.out.println("闊砮rr涔愬紑濮嬫挱鏀?3333111111"+e);
        }
    }
    //锟斤拷停
    public synchronized void pause() {
        try {
            if(state==STATE_PLAYING) {
                player.stop();
                state=STATE_PAUSE;
            }
        } catch (Exception e){}
    }
    //锟斤拷锟斤拷
    public synchronized void resume() {
        try {
            if(state==STATE_PAUSE || (!isBusy && state==STATE_STOP && loop)) {
                player.start();
                state=STATE_PLAYING;
            }
        } catch (Exception e){}
    }
    //停止
    public synchronized void stop() {
        try {
            if(state!=STATE_STOP) {
                isBusy=false;
                release();
                state=STATE_STOP;
            }
        } catch (Exception e){}
    }
    //锟斤拷锟阶刺?
    public synchronized int getState(){return state;}
/*    public void playerUpdate (Player player, String event, Object eventData)
      {
        try{
        if(event==PlayerListener.END_OF_MEDIA)
        {
          if(!loop)
            {
              isBusy=false;
              release();
            }
        }
      }catch(Exception e){}
      }
 */
}