Android Connection Server servlet

Login page to enter the user name and password, login successful to jump to the main page, failure to display error messages. When passing the parameter, use the Basicnamevaluepair list to httppost.setentity the way, cannot use Httpparams.

UserName = (edittext) This.findviewbyid (r.id.edittextusername);
Password = (edittext) This.findviewbyid (R.id.edittextpassword);
ErrorMsg = (TextView) This.findviewbyid (r.id.textviewloginmsg);
Button loginbtn = (button) This.findviewbyid (R.id.btnlogin);
		Loginbtn.setonclicklistener (New Onclicklistener () {@Override public void OnClick (View arg0) {String result;
			/* Send part */try {httpclient httpclient = new Defaulthttpclient ();
			String address = strURL;
			HttpPost HttpPost = new HttpPost (address);
			list<basicnamevaluepair> params = new linkedlist<basicnamevaluepair> ();
			Params.add (New Basicnamevaluepair ("username", Username.gettext (). toString ()));
			Params.add (New Basicnamevaluepair ("Password", Password.gettext (). toString ())); Httppost.setentity (New urlencodedformentity (params, "utf-8"));
			Fill in post entity HttpResponse HttpResponse = Httpclient.execute (HttpPost); /* Receive/if (Httpresponse.getstatusline (). Getstatuscode () = () {resUlt = entityutils.tostring (Httpresponse.getentity ());
				
				* * JSON text parsing/Jsontokener Jsonparser = new Jsontokener (result);
				Jsonobject Jsonresult = (jsonobject) jsonparser.nextvalue ();
				String status = Jsonresult.getstring ("LoginStatus");
				String outmessage = jsonresult.getstring ("Outmessage");
					if (Status.equals ("true")) {Intent i = new Intent (loginactivity.this, Mainactivity.class);
					I.putextra ("username", outmessage);
				Startactivityforresult (i, First_request_code);
					else {errormsg.setvisibility (view.visible);
				Errormsg.settext (Outmessage);
				} else {errormsg.setvisibility (view.visible); Errormsg.settext ("Network connectivity issues.")
			CODE: "+ httpresponse.getstatusline (). Getstatuscode ());
		} catch (Jsonexception e) {e.printstacktrace ();
		catch (Unsupportedencodingexception e) {e.printstacktrace ();
		catch (Clientprotocolexception e) {e.printstacktrace ();
		catch (IOException e) {e.printstacktrace (); }


	}
});