数据协议或格式Json/xml

阿里巴巴FastJson- https://github.com/alibaba/fastjson
Google Gson . 

-- JSONObject组拼Json数据格式：
try {
            JSONObject jobj = new JSONObject();
            jobj.put("musicType", "local_music");
            jobj.put("musicSong", "song_id_22233");
            Log.e("desaco", "pinjieJson jobj=" + jobj.toString());
        } catch (Exception ex) {
            Log.e("desaco", "pinjieJson Exception");
        }
{"musicType":"local_music","musicSong":"song_id_22233"}