public void postEmailandPassword(final String email, final String data) {

            StringRequest authenticateRequest = new StringRequest(Request.Method.POST, Constants.AUTHENTICATE_URL,
                    new Response.Listener<String>() {
                        @Override
                        public void onResponse(String response) {
                            Log.e("response", response.toString());
                            if(response.trim().equals("success")){
                                // openProfile();
                            }else{
                                Log.e("response", response.toString());

                                Toast.makeText(LoginActivity.this,response,Toast.LENGTH_LONG).show();
                            }
                        }
                    },
                    new Response.ErrorListener() {

                            @Override
                            public void onErrorResponse( VolleyError volleyError ) {
                                try {
                                    String responseBody = new String( volleyError.networkResponse.data, "utf-8" );
                                    JSONObject jsonObject = new JSONObject( responseBody );
                                } catch ( JSONException e ) {
                                    //Handle a malformed json response
                                } catch (UnsupportedEncodingException error){

                                }
                            }

                    }){

                @Override
                protected Map<String, String> getParams() throws AuthFailureError {
                    Map<String,String> map = new HashMap<String,String>();
                    map.put("email",email);
                    map.put("password",data);
                    return map;
                }

                @Override
                public Map<String, String> getHeaders() throws AuthFailureError {
                    Map<String, String>  params = new HashMap<String, String>();
                    params.put("x-session-id", "sessie-random-string-proshore");
                    params.put("Authorization", "Basic cHJvc2hvcmU6c2hvcmVwcm8=");
                    params.put("x-user-id", "22320");
                    params.put("Accept-Language", "nl");
                    params.put("Content-Type", "application/json; charset=utf-8");
                    return params;
                }
            };

            RequestQueue requestQueue = Volley.newRequestQueue(this);
            requestQueue.add(authenticateRequest);
        }