java - How to pass an List<Integer> Object and String in Rest Services in Android -

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hi woring quiz app, need call post rest services(json),below 1 sample code not working

i need pass 3 thing parameter 1-userid, 2-list questionids , 3- list answerids. question how pass list object not string or json string here-

list<namevaluepair> namevaluepairs = new arraylist<namevaluepair>();     namevaluepairs.add(new basicnamevaluepair("userid", "121213"));     namevaluepairs.add(new basicnamevaluepair("questionsids", listobj);     namevaluepairs.add(new basicnamevaluepair("answerids", listobj));      httpclient httpclient=new defaulthttpclient();     httppost httppost = new httppost(url);     httppost.setheader(http.content_type,"application/x-www-form-urlencoded;charset=utf-8");      try {         httppost.setentity(new urlencodedformentity(namevaluepairs, "utf-8"));     } catch (unsupportedencodingexception e) {         e.printstacktrace();     }

is there other way call post rest service.how resolve above one?

thanks ranjan.

use loop , add same key.

like this:

list<namevaluepair> namevaluepairs = new arraylist<namevaluepair>(); (modelassignee assignee : assignmentchips.getassignees()) {   namevaluepairs.add(new basicnamevaluepair("assignedtoids", string.valueof(assignee.id))); }

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