java - How to POST data in Android to server in JSON format? -

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i have json string. want post server (i.e. using post method). how can done in android?

json string:

{     "clientid": "id:1234-1234",     "device": {         "useragent": "myua",         "capabilities": {             "sms": true,             "data": true,             "gps": true,             "keyvalue": {                 "key2": "myvalue2",                 "key1": "myvalue1"             }         },         "screen": {             "width": 45,             "height": 32         },         "keyvalue": {             "devckey2": "myvalue2",             "devckey1": "myvalue1"         }     },     "time": 1294617435368 }

how can form json array , post server?

i did myself.

jsonobject returnedjobject= new jsonobject(); jsonobject keyvalspairjobject=new jsonobject (); jsonobject devckeyvalspairjobject=new jsonobject (); jsonobject capabilityjobject=new jsonobject(); jsonobject screendimensionsjobject =new jsonobject(); jsonobject devicejobject= new jsonobject(); try{     keyvalspairjobject.put("key1","val1");     keyvalspairjobject.put("key2","val2");     capabilityjobject.put("sms", false);     capabilityjobject.put("data", true);     capabilityjobject.put("gps", true);     capabilityjobject.put("wifi", true);     capabilityjobject.put("keyvalue", keyvalspairjobject);     screendimensionsjobject.put("width", 45);     screendimensionsjobject.put("height", 45);     devckeyvalspairjobject.put("devckey1","val1");     devckeyvalspairjobject.put("devckey2","val2");     devicejobject.put("useragent", "myuseragent");     devicejobject.put("capabilities", capabilityjobject);     devicejobject.put("screen", screendimensionsjobject);     devicejobject.put("keyvalue", devckeyvalspairjobject);      returnedjobject.put("clientid", "id:1234-1234");     returnedjobject.put("carrier","tmobile");     returnedjobject.put("device",devicejobject);     returnedjobject.put("time",1294617435);     returnedjobject.put("msisdn","1234567890");     returnedjobject.put("timezone","gmt"); } catch(jsonexception e) { }

and how can send json data server.

public string putdatatoserver(string url,jsonobject returnedjobject) throws throwable {     httppost request = new httppost(url);     jsonstringer json = new jsonstringer();     stringbuilder sb=new stringbuilder();       if (returnedjobject!=null)      {         iterator<string> itkeys = returnedjobject.keys();         if(itkeys.hasnext())             json.object();         while (itkeys.hasnext())          {             string k=itkeys.next();             json.key(k).value(returnedjobject.get(k));             log.e("keys "+k,"value "+returnedjobject.get(k).tostring());         }                  }     json.endobject();       stringentity entity = new stringentity(json.tostring());                          entity.setcontenttype("application/json;charset=utf-8");     entity.setcontentencoding(new basicheader(http.content_type,"application/json;charset=utf-8"));     request.setheader("accept", "application/json");     request.setentity(entity);       httpresponse response =null;     defaulthttpclient httpclient = new defaulthttpclient();      httpconnectionparams.setsotimeout(httpclient.getparams(), constants.android_connection_timeout*1000);      httpconnectionparams.setconnectiontimeout(httpclient.getparams(),constants.android_connection_timeout*1000);      try{         response = httpclient.execute(request);      }     catch(socketexception se)     {         log.e("socketexception", se+"");         throw se;     }     inputstream in = response.getentity().getcontent();     bufferedreader reader = new bufferedreader(new inputstreamreader(in));     string line = null;     while((line = reader.readline()) != null){         sb.append(line);     }     return sb.tostring(); }

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