Making two requests with android volley -

i need make 2 requests different parameters, response , parameters volley. below code

private void loadfirst() {         pdialog = new progressdialog(getactivity());          // showing progress dialog before making http request         pdialog.setmessage("loading...");         pdialog.show();         final stringrequest userreq = new stringrequest(method.post,                 appconfig.url_register, jsonsubjectlistener, errorsubjectlistener) {              @override             protected map<string, string> getparams() {                 // posting params register url                 map<string, string> params = new hashmap<string, string>();                 params.put("tag", "retrievefirst");                 return params;             }          };         appcontroller.getinstance().addtorequestqueue(userreq);     } }      private void loadsecond(final string user_type) {     // session manager     session = new sessionmanager(getactivity().getapplicationcontext());      // initialising progress dialog     pdialog = new progressdialog(getactivity());      // showing progress dialog before making http request     pdialog.setmessage("loading...");     pdialog.show();      stringrequest userreq = new stringrequest(method.post,             appconfig.url_register, jsonlistener, errorlistener) {          @override         protected map<string, string> getparams() {             // posting params register url             map<string, string> params = new hashmap<string, string>();              params.put("tag", "retrievesecond");              params.put("user_type", user_type);             return params;         }      };     appcontroller.getinstance().addtorequestqueue(userreq); } 

then called these 2 functions under onactivitycreated of fragment. kept on loading indefinitely. read on requestfuture can't see how can me 2 different parameters, errorlisteners , responselisteners. thanks

my take this. calling 2 methods each 1 this:

pdialog = new progressdialog(getactivity()); 

the second time instantiate progress dialog on same reference, old progress dialog still showing no longer reachable. it's not requests loading forever. it's can no longer dismiss first progress dialog. think need instantiate progress dialog once outside before both methods.