android 实现流媒体播放远程mp3文件代码

[java]
<SPAN style="COLOR: #cc6600; FONT-SIZE: 12px">package com.shadow.util;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.List;
import com.shadow.service.AudioPlayService.LocalBinder;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.Binder;
import android.os.Handler;
import android.os.IBinder;
import android.util.Log;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
/**
* MediaPlayer does not yet support streaming from external URLs so this class provides a pseudo-streaming function
* by downloading the content incrementally & playing as soon as we get enough audio in our temporary storage.
*/
public class StreamingMediaPlayer extends Service{
    private static final int INTIAL_KB_BUFFER = 96*10/8;//assume 96kbps*10secs/8bits per byte
    private TextView textStreamed;

    private ImageButton playButton;

    private ProgressBar    progressBar;

    // Track for display by progressBar
    private long mediaLengthInKb, mediaLengthInSeconds;
    private int totalKbRead = 0;
    // Create Handler to call View updates on the main UI thread.
    private final Handler handler = new Handler();
    private MediaPlayer     mediaPlayer;
    private File downloadingMediaFile;
    private boolean isInterrupted;
    private Context context;
    private int counter = 0;
    private static Runnable r;
    private static Thread playerThread;
    private LocalBinder localBinder = new LocalBinder();
    private MediaPlayer player;
    private boolean isPause = false;     //播放器是否处于暂停状态
    private boolean isSame = false;      //所点播歌曲是否是当前播放歌曲
    private Integer position = -1;       //设置播放标记
    private List<String> music_name;     //歌曲列表
    private List<String> music_path;

     public StreamingMediaPlayer(Context context,TextView textStreamed, ImageButton    playButton, Button    streamButton,ProgressBar    progressBar)
     {
         this.context = context;
        this.textStreamed = textStreamed;
        this.playButton = playButton;
        this.progressBar = progressBar;
    }

    /**
     * Progressivly download the media to a temporary location and update the MediaPlayer as new content becomes available.
     */
    public void startStreaming(final String mediaUrl, long    mediaLengthInKb, long    mediaLengthInSeconds) throws IOException {

        this.mediaLengthInKb = mediaLengthInKb;
        this.mediaLengthInSeconds = mediaLengthInSeconds;

        r = new Runnable() {
            public void run() {
                try {
                    Log.i("downloadAudioIncrement", "downloadAudioIncrement");
                    downloadAudioIncrement(mediaUrl);
                } catch (IOException e) {
                    Log.e(getClass().getName(), "Unable to initialize the MediaPlayer for fileUrl=" + mediaUrl, e);
                    return;
                }
            }
        };
        playerThread = new Thread(r);
        playerThread.start();
        //new Thread(r).start();
    }

    /**
     * Download the url stream to a temporary location and then call the setDataSource
     * for that local file
     */
    public void downloadAudioIncrement(String mediaUrl) throws IOException {

        URLConnection cn = new URL(mediaUrl).openConnection();
        cn.addRequestProperty("User-Agent","NSPlayer/10.0.0.4072 WMFSDK/10.0");
        cn.connect();
        InputStream stream = cn.getInputStream();
        if (stream == null) {
            Log.e(getClass().getName(), "Unable to create InputStream for mediaUrl:" + mediaUrl);
     &nb

补充：移动开发 , Android ,