//Code

 new Response.ErrorListener() {
                        @Override
                        public void onErrorResponse(VolleyError error) {
                            loading.dismiss();
                            if (mStatusCode == 401) {
                                // HTTP Status Code: 401 Unauthorized
                                GetToken();
                            } else if (mStatusCode == 404) {
                                // HTTP Status Code: 404 Not Found
                                new SweetAlertDialog(getActivity(), SweetAlertDialog.ERROR_TYPE)
                                        .setTitleText("Pemberitahuan")
                                        .setContentText("404")
                                        .show();
                            } else if (mStatusCode == 500) {
                                // HTTP Status Code: 500
                                new SweetAlertDialog(getActivity(), SweetAlertDialog.ERROR_TYPE)
                                        .setTitleText("Pemberitahuan")
                                        .setContentText("500")
                                        .show();
                            }
                            TextView tv_404 = getActivity().findViewById(R.id.tv_404tdyopen);
                            tv_404.setVisibility(View.VISIBLE);
                        }
                    }) {
                @Override
                public Map<String, String> getHeaders() throws AuthFailureError {
                    String TokenAuth = Util.getStringPreference(getActivity(), Constants.TokenAuth);
                    Map<String, String> params = new HashMap<String, String>();
                    params.put("token", TokenAuth);
                    return params;
                }


//Error
 Process: cpn.co.id.maosapp, PID: 14456
                                                                   java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.support.v4.app.FragmentActivity.findViewById(int)' on a null object reference
                                                                       at cpn.co.id.maosapp.fragment.TdyOpenOrderFragment$11.onErrorResponse(TdyOpenOrderFragment.java:479)
                                                                       at com.android.volley.Request.deliverError(Request.java:598)
                                                                       at com.android.volley.ExecutorDelivery$ResponseDeliveryRunnable.run(ExecutorDelivery.java:101)
                                                                       at android.os.Handler.handleCallback(Handler.java:815)
                                                                       at android.os.Handler.dispatchMessage(Handler.java:104)
                                                                       at android.os.Looper.loop(Looper.java:194)
                                                                       at android.app.ActivityThread.main(ActivityThread.java:5556)
                                                                       at java.lang.reflect.Method.invoke(Native Method)
                                                                       at java.lang.reflect.Method.invoke(Method.java:372)
                                                                       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:967)
                                                                       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:762)
12-18 17:39:08.956 14456-14547/cpn.co.id.maosapp E/NativeCrypto: ssl=0x55b6fca510 cert_verify_callback x509_store_ctx=0x7f66f2b968 arg=0x0
12-18 17:39:08.956 14456-14547/cpn.co.id.maosapp E/NativeCrypto: ssl=0x55b6fca510 cert_verify_callback calling verifyCertificateChain authMethod=ECDHE_RSA