Android开发本地及网络Mp3音乐播放器之网络音乐下载功能实现

实现功能：
实现网络音乐搜索功能
实现网络音乐下载功能
下载好的音乐目前不在播放器内，可以通过文件浏览器查看。
后续将博文，将实现歌词和下载音乐扫描功能。

 

实现效果如图：

 

 

实现代码如下：

NetMusicListFragment如下：

package com.iwanghang.drmplayer;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.Toast;
 
import com.iwanghang.drmplayer.adapter.NetMusicListAdapter;
import com.iwanghang.drmplayer.utils.AppUtils;
import com.iwanghang.drmplayer.utils.Constant;
import com.iwanghang.drmplayer.utils.SearchMusicUtils;
import com.iwanghang.drmplayer.vo.SearchResult;
 
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.select.Elements;
 
import java.io.IOException;
import java.util.ArrayList;
 
public class NetMusicListFragment extends Fragment implements OnItemClickListener,OnClickListener {
 
    private ListView listView_net_music;
    private LinearLayout load_layout;
    private LinearLayout ll_search_btn_container;//查询按钮的容器
    private LinearLayout ll_search_container;//查询按钮的容器
    private ImageButton ib_search_btn;
    private EditText et_search_content;
    private NetMusicListAdapter netMusicListAdapter;
 
    //存放 网络音乐 的集合
    private ArrayList searchResults = new ArrayList();
 
    private int page = 1;//搜索音乐的页码
 
    private MainActivity mainActivity;
 
    //private boolean isPause = false;//歌曲播放中的暂停状态
 
    private int position = 0;//当前播放的位置,提供给PlayActivity
 
    //onAttach(),当fragment被绑定到activity时被调用(Activity会被传入.).
    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        //mainActivity = (MainActivity) context;
        mainActivity = (MainActivity) getActivity();
    }
 
    public static NetMusicListFragment newInstance() {
        NetMusicListFragment net = new NetMusicListFragment();
        return net;
    }
 
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        //UI组件初始化
        View view = inflater.inflate(R.layout.net_music_list_layout,null);
        //item
        listView_net_music = (ListView) view.findViewById(R.id.listView_net_music);
        //findViewById
        load_layout = (LinearLayout) view.findViewById(R.id.load_layout);
        ll_search_btn_container = (LinearLayout) view.findViewById(R.id.ll_search_btn_container);
        ll_search_container = (LinearLayout) view.findViewById(R.id.ll_search_container);
        ib_search_btn = (ImageButton) view.findViewById(R.id.ib_search_btn);
        et_search_content = (EditText) view.findViewById(R.id.et_search_content);
 
        //Item点击事件监听
        listView_net_music.setOnItemClickListener(this);
        //按钮点击事件监听
        ll_search_btn_container.setOnClickListener(this);
        ib_search_btn.setOnClickListener(this);
 
        loadNetData();//加载网络音乐
        return view;
    }
 
    private void loadNetData() {
        load_layout.setVisibility(View.VISIBLE);
        //加载网络音乐的异步任务
        new LoadNetDataTask().execute(Constant.MIGU_CHINA);
    }
 
    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case R.id.ll_search_btn_container:
                ll_search_btn_container.setVisibility(View.GONE);
                ll_search_container.setVisibility(View.VISIBLE);
                break;
            case R.id.ib_search_btn:
                //搜索事件
                searchMusic();
                break;
        }
    }
 
    //搜索音乐
    private void searchMusic() {
        //隐藏键盘
        AppUtils.hideInputMethod(et_search_content);
        ll_search_btn_container.setVisibility(View.VISIBLE);
        ll_search_container.setVisibility(View.GONE);
        //获取输入的文字
        String key = et_search_content.getText().toString();
        if (TextUtils.isEmpty(key)){//如果为空,则,Toast提示
            Toast.makeText(mainActivity,"请输入歌手或歌词",Toast.LENGTH_SHORT).show();
            return;
        }
        load_layout.setVisibility(View.VISIBLE);//加载layout效果.显示
        //填充item 使用SearchMusicUtils搜索音乐工具类,并,使用观察者设计模式,自己回调,自己监听
        SearchMusicUtils.getInstance().setListener(new SearchMusicUtils.OnSearchResultListener(){
            @Override
            public void onSearchResult(ArrayList results) {
                ArrayList sr = netMusicListAdapter.getSearchResults();
                sr.clear();
                sr.addAll(results);
                netMusicListAdapter.notifyDataSetChanged();//更新网络音乐列表
                load_layout.setVisibility(View.GONE);
            }
        }).search(key,page);
    }
 
    //列表项的单击事件
    @Override
    public void onItemClick(AdapterView parent, View view, int position, long id) {
        if (position >= netMusicListAdapter.getSearchResults().size() || position < 0) return;
        showDownloadDialog(position);
    }
 
    //下载弹窗
    private void showDownloadDialog(final int position){
        DownloadDialogFragment downloadDialogFragment = DownloadDialogFragment.newInstance(searchResults.get(position));
        downloadDialogFragment.show(getFragmentManager(),"download");
    }
 
    //加载网络音乐的异步任务
    //Android1.5提供了 工具类 android.os.AsyncTask，它使创建异步任务变得更加简单，不再需要编写任务线程和Handler实例即可完成相同的任务。
    class LoadNetDataTask extends AsyncTask{
        //onPreExecute方法用于在执行后台任务前做一些UI操作
        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            load_layout.setVisibility(View.VISIBLE);//加载layout.显示
            listView_net_music.setVisibility(View.GONE);//item.隐藏
            searchResults.clear();//搜索结果.清理
        }
 
        //doInBackground方法内部执行后台任务,不可在此方法内修改UI
        @Override
        protected Integer doInBackground(String... params) {
            String url = params[0];
            try {
                //使用Jsoup组件请求网络,并解析音乐数据
                Document doc = Jsoup.connect(url).userAgent(Constant.USER_AGENT).timeout(6000).get();
                System.out.println("start**********doc**********doc**********doc**********");
                System.out.println(doc);
                System.out.println(" end **********doc**********doc**********doc**********");
 
                //从doc分析以上html代码;把所有span标签下fl song_name查找出来,存在songTitles集合中;即,歌名集合;
                //从doc分析以上html代码;把所有span标签下fl singer_name.mr5t查找出来,存在artists集合中;即,歌手集合;
                Elements songTitles = doc.select("span.fl.song_name");
                System.out.println(songTitles);
                Elements artists = doc.select("span.fl.singer_name.mr5");
                System.out.println(artists);
 
                for (int i=0;i半壶纱<,半壶纱就是a链接的内容);即,最终的歌名;
                    Elements urls = songTitles.get(i).getElementsByTag("a");
                    //System.out.println("@urls : " + urls);
                    searchResult.setUrl(urls.get(0).attr("href"));//设置最终的url
                    searchResult.setMusicName(urls.get(0).text());//设置最终的歌名
 
                    //a链接,存在urls集合中;即,歌曲url集合;
                    Elements artistElements = artists.get(i).getElementsByTag("a");
                    //System.out.println("@artistElements : " + artistElements);
                    searchResult.setArtist(artistElements.get(0).text());//设置最终的歌手
 
                    searchResult.setAlbum("华语榜");//设置最终的专辑
 
                    System.out.println("@searchResult : " + searchResult);
                    searchResults.add(searchResult);//把最终的所有信息,添加到集合
                }
                System.out.println("@searchResults : " + searchResults);
                //System.out.println("@songTitles.size() : " + searchResults.size());
            } catch (IOException e) {
                e.printStackTrace();
                return -1;
            }
            return 1;
        }
 
 
        //onPostExecute方法用于在执行完后台任务后更新UI,显示结果
        @Override
        protected void onPostExecute(Integer result) {
            super.onPostExecute(result);
            if (result==1){
                netMusicListAdapter = new NetMusicListAdapter(mainActivity,searchResults);
                //System.out.println(searchResults);
                listView_net_music.setAdapter(netMusicListAdapter);
                listView_net_music.addFooterView(LayoutInflater.from(mainActivity).inflate(R.layout.footviwe_layout,null));
            }
            load_layout.setVisibility(View.GONE);
            listView_net_music.setVisibility(View.VISIBLE);
 
            }
        }
    }

DownloadDialogFragment如下：

package com.iwanghang.drmplayer;
 
import android.app.AlertDialog;
import android.app.Dialog;
import android.support.v4.app.DialogFragment;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.widget.Toast;
 
import com.iwanghang.drmplayer.utils.DownloadUtils;
import com.iwanghang.drmplayer.vo.SearchResult;
 
/**
 * Created by iwanghang on 16/5/3.
 * DownloadDialogFargment
 */
public class DownloadDialogFragment extends DialogFragment {
 
    private SearchResult searchResult;//当前要下载的歌曲对象
    private MainActivity mainActivity;
    public static DownloadDialogFragment newInstance(SearchResult searchResult){
        DownloadDialogFragment downloadDialogFragment = new DownloadDialogFragment();
        downloadDialogFragment.searchResult = searchResult;
        return downloadDialogFragment;
    }
 
    private String[] items;
 
    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        mainActivity = (MainActivity) getActivity();
        //items = new String[]{"下载","取消"};
        items = new String[]{getString(R.string.download),getString(R.string.cancel)};
    }
 
    //创建对话框的事件方法
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        final AlertDialog.Builder builder = new AlertDialog.Builder(mainActivity);
        builder.setCancelable(true);//返回键可以取消
        builder.setItems(items,new DialogInterface.OnClickListener(){
            @Override
            public void onClick(DialogInterface dialog, int which) {
                switch (which) {
                    case 0:
                        //执行下载
                        downloadMusic();
                        break;
                    case 1://取消
                        dialog.dismiss();
                        break;
                }
            }
        });
        return builder.show();
    }
 
    //下载音乐
    private void downloadMusic() {
        Toast.makeText(mainActivity, "正在下载:" + searchResult.getMusicName(), Toast.LENGTH_SHORT).show();
        DownloadUtils.getsInstance().setListener(new DownloadUtils.OnDownloadListener() {
            @Override
            public void onDowload(String mp3Url) { //下载成功
                Toast.makeText(mainActivity, "下载成功", Toast.LENGTH_SHORT).show();
            }
 
            @Override
            public void onFailed(String error) { //下载失败
                Toast.makeText(mainActivity, error, Toast.LENGTH_SHORT).show();
 
            }
        }).download(searchResult);
    }
 
}

DownloadUtils如下：

package com.iwanghang.drmplayer.utils;
 
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
 
import com.iwanghang.drmplayer.vo.SearchResult;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.Response;
 
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.select.Elements;
 
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
 
import javax.xml.parsers.ParserConfigurationException;
 
/**
 * Created by iwanghang on 16/5/3.
 * 网络音乐下载工具类
 */
public class DownloadUtils {
 
    private static final String DOWNLOAD_URL = "/download?_o=%2Fsearch%2Fsong";
    private static final int SUCCESS_LRC = 1;//下载歌词成功
    private static final int FAILED_LRC = 2;//下载歌词失败
    private static final int SUCCESS_MP3 = 3;//下载歌曲成功
    private static final int FAILED_MP3 = 4;//下载歌曲失败
    private static final int GET_MP3_URL = 5;//获取音乐下载地址成功
    private static final int GET_FAILED_MP3_URL = 6;//获取音乐下载地址失败
    private static final int MUSIC_EXISTS = 7;//下载时,音乐已存在
 
    private static DownloadUtils sInstance;
    private OnDownloadListener mListener;
 
    private ExecutorService mThreadPool;
 
    /**
     *设置回调监听器对象
     * @param mListener
     * @return
     */
    public DownloadUtils setListener(OnDownloadListener mListener){
        this.mListener = mListener;
        return this;
    }
 
    //获取下载工具的实例
    public synchronized static DownloadUtils getsInstance(){
        if (sInstance == null){
            try {
                sInstance = new DownloadUtils();
            } catch (ParserConfigurationException e) {
                e.printStackTrace();
            }
        }
        return  sInstance;
    }
 
    /**
     * 下载的具体业务方法
     * @throws ParserConfigurationException
     */
    private DownloadUtils() throws ParserConfigurationException{
        mThreadPool = Executors.newSingleThreadExecutor();
    }
 
    public void download(final SearchResult searchResult){
        final Handler handler = new Handler(){
            @Override
            public void handleMessage(Message msg) {
               switch (msg.what){
                   case SUCCESS_LRC:
                       if (mListener != null) mListener.onDowload("歌词下载成功");
                       break;
                   case FAILED_LRC:
                       if (mListener != null) mListener.onFailed("歌词下载失败");
                       break;
                   case GET_MP3_URL:
                       System.out.println("GET_MP3_URL:"+msg.obj);
                       downloadMusic(searchResult,(String)msg.obj,this);
                       break;
                   case GET_FAILED_MP3_URL:
                       if (mListener != null) mListener.onFailed("下载失败,该歌曲为收费或VIP类型");
                       break;
                   case SUCCESS_MP3:
                       if (mListener != null) mListener.onDowload(searchResult.getMusicName()+"已经下载");
                       String url = Constant.MIGU_URL + searchResult.getUrl();
                       System.out.println("download lrc:"+url);
                       downloadLRC(url,searchResult.getMusicName(),this);
                       break;
                   case FAILED_MP3:
                       if (mListener != null) mListener.onFailed(searchResult.getMusicName()+"下载失败");
                       break;
                   case MUSIC_EXISTS:
                       if (mListener != null) mListener.onFailed("音乐已存在");
                       break;
               }
            }
        };
        getDownloadMusicURL(searchResult,handler);
    }
 
    //获取下载音乐的URL
    private void getDownloadMusicURL(final SearchResult searchResult, final Handler handler) {
        mThreadPool.execute(new Runnable() {
            @Override
            public void run() {
                //https://music.xxxx.cn/#/album/1003215276
                //1003215279
                //https://music.xxxx.cn/order/1003215279/down/self/P2Z3Y12L1N2/3/001002A/1003215279
                System.out.println("searchResult.getUrl() = " + searchResult.getUrl());
                String[] aa = searchResult.getUrl().split("/");
                String sn = aa[5];
                System.out.println("歌曲编号 = " + sn);
                String url = Constant.MIGU_DOWN_HEAD + sn + Constant.MIGU_DOWN_FOOT;
                System.out.println("下载页面url = " + url);
 
                try {
                    Document doc = Jsoup.connect(url).userAgent(Constant.USER_AGENT).timeout(6000).get();
                    //System.out.println(doc);
 
                    System.out.println("doc.toString() = " + doc.toString());
                    String[] bb = doc.toString().split("song");//把 下载页面源码 按照"song"分割
                    for (int i=0;i0){
                            System.out.println("mp3?msisdn = " + bb[i]);
                            String initMp3Url = bb[i];//initMp3Url 初始Mp3下载链接,如下
                            //mp3?msisdn = ":"https://tyst.xxxx.cn/public/ringmaker01/10月31日中文延期/文件/全套格式/9000首/全曲试听/Mp3_128_44_16/一起走过的日子-刘德华.mp3?msisdn\u003d7b609763f0ff","
 
                            String[] arrayHttp = initMp3Url.split("http");//把 初始Mp3下载链接 按照"http"分割
                            String[] arrayMp3 = arrayHttp[1].split(".mp3");//把 arrayHttp 按照".mp3"分割
                            String result = "http" + arrayMp3[0] + ".mp3";//把分割去掉的"http"和".mp3",组合回来
                            System.out.println("result");
 
                            //String result = "https://tyst.xxxx.cn/public/ringmaker01/10月31日中文延期/文件/全套格式/9000首/全曲试听/Mp3_128_44_16/一起走过的日子-刘德华.mp3";
                            Message msg = handler.obtainMessage(GET_MP3_URL,result);
                            msg.sendToTarget();
                        }
                    }
 
                } catch (IOException e) {
                    e.printStackTrace();
                    handler.obtainMessage(GET_FAILED_MP3_URL).sendToTarget();
                }
            }
        });
    }
 
 
    //下载歌词
    private void downloadLRC(final String url, final String musicName,final Handler handler){
        mThreadPool.execute(new Runnable() {
            @Override
            public void run() {
                try {
                    Document doc = Jsoup.connect(url).userAgent(Constant.USER_AGENT).timeout(6000).get();
                    Elements lrcTag = doc.select("p.lyric-content");
                    String lrcURL = lrcTag.attr("data-lrclink");
                    //System.out.println(lrcURL);
                    File lrcDirFile = new File(Environment.getExternalStorageDirectory() + Constant.DIR_LRC);
                    if (!lrcDirFile.exists()){
                        lrcDirFile.mkdirs();
                    }
 
                    lrcURL = Constant.MIGU_URL + lrcURL;
                    String target = lrcDirFile + "/" + musicName + ".lrc";
                    OkHttpClient client = new OkHttpClient();
                    Request request = new Request.Builder().url(lrcURL).build();
                    try {
                        Response response = client.newCall(request).execute();
                        if (response.isSuccessful()){
                            PrintStream ps = new PrintStream(new File(target));
                            byte[] bytes = response.body().bytes();
                            ps.write(bytes,0,bytes.length);
                            ps.close();
                            handler.obtainMessage(SUCCESS_LRC,target).sendToTarget();
                        }
                    }catch (IOException e){
                        e.printStackTrace();
                        handler.obtainMessage(FAILED_LRC).sendToTarget();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }
 
    //下载MP3
    private void downloadMusic(final SearchResult searchResult,final String url,final Handler handler){
        mThreadPool.execute(new Runnable() {
            @Override
            public void run() {
                File musicDirFile = new File(Environment.getExternalStorageDirectory()+Constant.DIR_MUSIC);
                if (!musicDirFile.exists()){
                    musicDirFile.mkdirs();
                }
 
                String mp3url = url;
 
                String target = musicDirFile + "/" + searchResult.getMusicName() + ".mp3";
                System.out.println(mp3url);
                System.out.println(target);
                File fileTarget = new File(target);
                if (fileTarget.exists()){
                    handler.obtainMessage(MUSIC_EXISTS).sendToTarget();
                    return;
                }else {
                    //使用OkHttpClient组件
                    OkHttpClient client = new OkHttpClient();
                    Request request = new Request.Builder().url(mp3url).build();
                    System.out.println(request);
                    try {
                        Response response = client.newCall(request).execute();
                        if (response.isSuccessful()){
                            PrintStream ps = new PrintStream(fileTarget);
                            byte[] bytes = response.body().bytes();
                            ps.write(bytes,0,bytes.length);
                            ps.close();
                            handler.obtainMessage(SUCCESS_MP3).sendToTarget();
                        }
                    } catch (IOException e) {
                        e.printStackTrace();
                        handler.obtainMessage(FAILED_MP3).sendToTarget();
                    }
                }
            }
        });
    }
 
    //自定义下载事件监听器
    public interface OnDownloadListener {
        public void onDowload(String mp3Url);
        public void onFailed(String error);
    }
}

 

SearchMusicUtils如下：

package com.iwanghang.drmplayer.utils;
 
import android.os.Handler;
import android.os.Message;
 
import com.iwanghang.drmplayer.vo.SearchResult;
 
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.select.Elements;
 
import java.io.IOException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
 
import javax.xml.parsers.ParserConfigurationException;
 
/**
 * Created by iwanghang on 16/4/30.
 * 搜索音乐工具类
 */
public class SearchMusicUtils {
    private static final int SIZE = 20;//查询歌曲数量
    //private static final String URL = Constant.BAIDU_URL + Constant.BAIDU_SEARCH;
    //private static String URL = Constant.BAIDU_URL + Constant.BAIDU_SEARCH;
    private static SearchMusicUtils sInstance;
    private OnSearchResultListener mListener;
 
    private ExecutorService mThreadPool;//线程池
 
    public synchronized static SearchMusicUtils getInstance(){
        if (sInstance == null){
            try {
                sInstance = new SearchMusicUtils();
            } catch (ParserConfigurationException e) {
                e.printStackTrace();
            }
        }
        return sInstance;
    }
 
    //设置搜索事件
    private SearchMusicUtils() throws ParserConfigurationException{
        mThreadPool = Executors.newSingleThreadExecutor();//单任务线程池
    }
 
    public SearchMusicUtils setListener(OnSearchResultListener l){
        mListener = l;
        return this;
    }
 
    public void search(final String key,final int page){
        final Handler handler = new Handler(){//handler 用于返回数据
            @Override
            public void handleMessage(Message msg) {
                switch (msg.what){
                    case Constant.SUCCESS:
                        if (mListener != null) mListener.onSearchResult((ArrayList)msg.obj);
                        break;
                    case Constant.FAILED:
                        if (mListener != null) mListener.onSearchResult(null);
                        break;
                }
            }
        };
 
        //执行线程
        mThreadPool.execute(new Runnable() {
            @Override
            public void run() {//run方法
                ArrayList results = getMusicList(key,page);
                if(results == null){
                    handler.sendEmptyMessage(Constant.FAILED);
                    return;
                }
                handler.obtainMessage(Constant.SUCCESS,results).sendToTarget();
            }
        });
 
    }
 
    //使用Jsoup组件请求网络,并解析音乐数据
    private ArrayList getMusicList(final String key,final int page){
        final String start = String.valueOf((page - 1) * SIZE);
        ArrayList searchResults = new ArrayList();
        Document doc = null;
        String URL = null;
        try {
 
            //经过测试 获取页面 如果key不转码 无法打开正确连接
            //使用URLEncoder.encode转码,转为utf8
            //冰雨 转换为 %E6%B2%A1%E6%9C%89";
            String keyUrlEnCode = URLEncoder.encode(key, "utf8");
            URL = Constant.MIGU_SEARCH_HEAD + keyUrlEnCode +  Constant.MIGU_SEARCH_FOOT;
            System.out.println(URL);
            doc = Jsoup.connect(URL)
                    .data("query", "Java")
                    .userAgent(Constant.USER_AGENT)
                    .timeout(60 * 1000).get();
            //System.out.println("~~doc = " + doc);
 
            Elements songTitles = doc.select("span.fl.song_name");
            System.out.println(songTitles);
            Elements artists = doc.select("span.fl.singer_name.mr5");
            System.out.println(artists);
            for (int i=0;i半壶纱<,半壶纱就是a链接的内容);即,最终的歌名;
                Elements urls = songTitles.get(i).getElementsByTag("a");
                //System.out.println("@urls : " + urls);
                searchResult.setUrl(urls.get(0).attr("href"));//设置最终的url
                searchResult.setMusicName(urls.get(0).text());//设置最终的歌名
 
                //a链接,存在urls集合中;即,歌曲url集合;
                Elements artistElements = artists.get(i).getElementsByTag("a");
                //System.out.println("@artistElements : " + artistElements);
                searchResult.setArtist(artistElements.get(0).text());//设置最终的歌手
 
                searchResult.setAlbum("华语榜");//设置最终的专辑
 
                System.out.println("@searchResult : " + searchResult);
                searchResults.add(searchResult);//把最终的所有信息,添加到集合
            }
            System.out.println("@searchResults : " + searchResults);
 
            return searchResults;
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }
 
 
    public interface OnSearchResultListener {
        public void onSearchResult(ArrayList results);
    }
 
}