android四大组件之Service 从网络上播放音乐

package com.example.musicplay;

import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.Date;
import java.sql.NClob;
import java.sql.ParameterMetaData;
import java.sql.PreparedStatement;
import java.sql.Ref;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.RowId;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Calendar;

import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnPreparedListener;
import android.os.Binder;
import android.os.IBinder;

public class PlayService extends Service {
private MediaPlayer mediaPlayer;
@Override
public IBinder onBind(Intent intent) {
// TODO: Return the communication channel to the service.
return new MusicBinder();
}
class MusicBinder extends Binder implements PlayInterface{

@Override
public void play() {
// TODO Auto-generated method stub
PlayService.this.play();
}

@Override
public void playContiue() {
// TODO Auto-generated method stub
PlayService.this.playContiue();
}

@Override
public void pause() {
// TODO Auto-generated method stub
PlayService.this.pause();

}

}
@Override
public void onCreate() {
mediaPlayer = new MediaPlayer();
}

private void play(){
//重置
mediaPlayer.reset();
try {
mediaPlayer.setDataSource("http://192.168.21.1:8080/ok/Charlotte Perrelli - Hero.mp3");
//准备
mediaPlayer.prepareAsync();
} catch (Exception e) {
// TODO Auto-generated catcssh block
e.printStackTrace();
}
mediaPlayer.setOnPreparedListener(new OnPreparedListener() {
//准备完毕此方法调用
@Override
public void onPrepared(MediaPlayer arg0) {
// TODO Auto-generated method stub
mediaPlayer.start();
}
});
}
private void playContiue(){
mediaPlayer.start();
}
private void pause(){
mediaPlayer.pause();
}
}