[Android] HttpPost The POST request to pass JSON data

Lazy Typing

/*** Send a POST request to pass JSON*/     Public voidJiexi () {NewThread (NewRunnable () { Public voidrun () {//quotation marks in JSON must be added \ escapedString Getlightjson = "{\" object\ ": \" light\ ", \" action\ ": \" Get\ "}"; String jsonparent=getjsonparent (Getlightjson); if(Ifjsonparentok (jsonparent)) {ArrayList<light> query =getquery (jsonparent);  for(Light l:query) {System.out.println ("----------"); System.out.println ("Co2-->" +L.getco2 ()); System.out.println ("Pm2.5-->" +l.getpm2_5 ()); System.out.println ("----------");    }}}). Start (); }    /*** Return JSON * *@paramJSON *@return     */     Publicstring Getjsonparent (String json) {Try{URI Uri=NewURI (urlstring); HttpPost Mhttppost=NewHttpPost (URI); //set the request headerMhttppost.setheader ("Accept", "Application/json"); Mhttppost.setheader ("Content-type", "Application/json"); //JSON data is hereHttpentity mentity =Newstringentity (JSON, HTTP.            UTF_8);            Mhttppost.setentity (mentity); //Send RequestHttpResponse response =Newdefaulthttpclient (). Execute (mhttppost); String Str=entityutils.tostring (Response.getentity ()); System.out.println ("--->" +str); returnstr; } Catch(Exception e) {}return""; }    /*** Return code is NOT OK * *@paramSTR *@return     */     Public BooleanIfjsonparentok (String str) {Try{jsonobject=Newjsonobject (str); String result= jsonobject.getstring ("Result"); if(Result.equals ("OK")) {                return true; }        } Catch(jsonexception e) {//TODO auto-generated Catch blockE.printstacktrace (); }        return false; }    /*** Parse the returned JSON * *@paramSTR *@return     */     PublicArraylist<light>getquery (String str) {ArrayList<light> arrayList =NewArraylist<light>(); Try{Light _light=NewLight (); Jsonobject=Newjsonobject (str); _light.setpm2_5 (Jsonobject.getstring ("PM2.5")); _light.setco2 (Jsonobject.getstring ("CO2"));            Arraylist.add (_light); returnarrayList; } Catch(jsonexception e) {e.printstacktrace (); }        return NULL; }

[Android] HttpPost The POST request to pass JSON data