android 网络通讯

//get方式请求网络数据
 String urlPath="http://192.168.98.112:8080/CloudMusicPlayer/fragment1_1_lv2/json/SongInfo.json";
//        String data="SongName=驿动的心&SongAutor=姜育恒";
        HttpURLConnection connection=null;
        try {
            URL url=new URL(urlPath);
            connection=(HttpURLConnection) url.openConnection();
            connection.setRequestMethod("GET");
            connection.setUseCaches(false);
            connection.setConnectTimeout(10000);
            connection.setReadTimeout(5000);
            if(connection.getResponseCode()==200){
                InputStream is=connection.getInputStream();
                int count=0;
                StringBuilder sb=new StringBuilder();
                while((count=is.read())!=-1){
                    sb.append((char)count);
                }
                if(is!=null){
                    is.close();
                }
                try {
                    JSONObject jsonObject=new JSONObject(sb.toString());
                    final String songName = jsonObject.getString("SongName");
                    final String SongAutor = jsonObject.getString("SongAutor");
                    Log.v("msg",songName);
                    getActivity().runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            head_tv1.setText(songName);
                            head_tv2.setText(SongAutor);
                        }
                    });
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            if(connection!=null){
                connection.disconnect();
            }
        }