android async http - AndroidAsyncHttp post data with 4 parameter in header and 10 in body -

hello want use androidasynchttp posting data server.

for have 4 parameters in header , 10 in body request have done following code not working , getting null response..

 void callmethod()     {           asynchttpclient clinet = new asynchttpclient();         httppost httppost = new httppost();         httppost.setheader("headerprmname", "werew");         httppost.setheader("headerprmname", "werwer");         httppost.setheader("headerprmname", "rwerwep");         httppost.setheader("headerprmname", "werwe");          network.request r = new network.request();         clinet.addheader("headerprmname"werr");         clinet.addheader("headerprmname", "werwer");         clinet.addheader("headerprmname", "1223134");         clinet.addheader("headerprmname", "wer");  //                        headers headers1=headers.of("headerprmname","121"); //                        headers headers1=headers.of("headerprmname","12121212"); //                        headers headers1=headers.of("headerprmname","werew");         requestparams requestparams = new requestparams();         requestparams.put("headerprmname", 10);         requestparams.put("headerprmname", 1); clinet.setuseragent("i have passed here string not worked");         clinet.post(ctx, "myurl", requestparams, new texthttpresponsehandler() {             @override             public void onfailure(int statuscode, header[] headers, string responsestring, throwable throwable) {                 system.out.println("pplll" + responsestring);             }              @override             public void onsuccess(int statuscode, header[] headers, string responsestring) {              }         }); } 

please me out