java - receive response from http android -

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i want send url such "http://192.168.1.1/key_on" html form , receive number 1 or 0 response, if can changes correctly, in app. send request asynctask, , works correctly! don't know how response ?

here code in activities:

button btn= (button)convertview.findviewbyid(r.id.two); btn.setwidth(500); new requesttask().execute("http://192.168.1.1/key_on"); btn.setbackgroundcolor(color.parsecolor("#ff11ac06")); btn.settext(childtext); btn.setonclicklistener(new view.onclicklistener() {     public void onclick(view view) {     int color = color.transparent;     drawable background = view.getbackground();     if (background instanceof colordrawable)         color = ((colordrawable) background).getcolor();     if (color == color.parsecolor("#ff11ac06")) {         new requesttask().execute("http://192.168.1.1/key_off");         view.setbackgroundcolor(color.parsecolor("#ff41403f"));     } else {         view.setbackgroundcolor(color.parsecolor("#ff11ac06"));         new requesttask().execute("http://192.168.1.1/key_on");     }     } }); return convertview;

and in requesttask.java:

class requesttask extends asynctask<string, string, string> {      @override     protected string doinbackground(string... uri) {         httpclient httpclient = new defaulthttpclient();         httpresponse response;         string responsestring = null;         try {             response = httpclient.execute(new httpget(uri[0]));             statusline statusline = response.getstatusline();             if(statusline.getstatuscode() == httpstatus.sc_ok){                 bytearrayoutputstream out = new bytearrayoutputstream();                 response.getentity().writeto(out);                 responsestring = out.tostring();                 out.close();             } else{                 //closes connection.                 response.getentity().getcontent().close();                 throw new ioexception(statusline.getreasonphrase());             }         } catch (clientprotocolexception e) {             //todo handle problems..         } catch (ioexception e) {             //todo handle problems..         }         return responsestring;     }      @override     protected void onpostexecute(string result) {         super.onpostexecute(result);         //do response..     } }

please check request url(http://192.168.1.1/key_off) getting 404 error code.please fire url in web.


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