How to make a new newRequestQueue In Volley, Android

the parameter of newRequestQueue is a Context object. In your case, this, refers to the View.OnClickListener anonymous inner class, where you are calling newRequestQueue. Change

Volley.newRequestQueue(this);

with

 Volley.newRequestQueue(getActivity().getApplicationContext());

is, of course, getActivity() because you are subclassing Fragment