sound.java

为毕业设计而只做的JAVA版的手机游戏,游戏名:海底探险

import javax.microedition.media.*;
import java.io.*;
public class sound
{ 
 public String pType;//手机型号 
 public final String[] mediaType=new String[]{"audio/x-wav","audio/midi","audio/mpeg","audio/amr"}; 
 public sound(String s)
 {
  pType=s;
 }
 
 /*从字节数组里获取输入流*/
 public InputStream getInputStream(byte[] data)
 {
  try
  {
   ByteArrayInputStream bis=new ByteArrayInputStream(data);
   return (InputStream)bis;
  }
  catch(Exception e)
  {
   return null;
  }
 }
 public Player createPlayer(InputStream is,String t,int loop)
 {
  Player player;
  if(is!=null)
  {
   try
   {
    if(t.equals("mid"))
    player=Manager.createPlayer(is,mediaType[1]);
    else
    if(t.equals("wav"))
    player=Manager.createPlayer(is,mediaType[0]);
    else
    if(t.equals("mp3"))
    player=Manager.createPlayer(is,mediaType[2]);
    else
    if(t.equals("amr"))
    player=Manager.createPlayer(is,mediaType[3]);
    else
    return null;
   }
   catch(Exception e)
   {
    return null;
   }
  }
  else
  return null;
  player.setLoopCount(loop);  
  return player;  
 }
 /*创建播放器*/
 public Player createPlayer(String s,int loop)
 {
  Player player;
  try
  {
   InputStream is=getClass().getResourceAsStream(s);
   String t=s.substring(s.indexOf('.')+1,s.length());
   if(t.equals("mid"))
   player=Manager.createPlayer(is,mediaType[1]);
   else
   if(t.equals("wav"))
   player=Manager.createPlayer(is,mediaType[0]);
   else
   if(t.equals("mp3"))
   player=Manager.createPlayer(is,mediaType[2]);
   else
   if(t.equals("amr"))
   player=Manager.createPlayer(is,mediaType[3]);
   else
   return null;
  }
  catch(Exception e)
  {
   return null;
  }
  player.setLoopCount(loop);  
  return player;
 }
 /*播放声音*/
 public void playSound(Player p)
 {
  try
  {
   //System.out.println(p.getState());
   if(p.getState()!=400)
   p.start();
  }
  catch(Exception e)
  {
  }
 }
 /*暂停声音*/
 public void pauseSound(Player p)
 {
  try
  {
   if(p.getState()==400)
   p.stop();
  }
  catch(Exception e)
  {
  }
 }
 /*停止声音*/
 public void stopSound(Player p)
 {
  try
  {
   if(p.getState()==400)
   p.stop();
   if(!pType.equals("NOKIA"))
   p.deallocate();
  }
  catch(Exception e)
  {
   System.out.println(e);
  }
 }
 /*关闭声音*/
 public void closeSound(Player p)
 {
  try
  {
   stopSound(p);
   p.close();
  }
  catch(Exception e)
  {
  }
 }
}