public interface onDelCallback {
        void deleteuser(int pos);
    }

 private onDelCallback listener;
  public RoleList(Activity context, ArrayList<String> name, ArrayList<String> username, ArrayList<String> password, ArrayList<String> role, onDelCallback listener) {
        super(context, R.layout.role_list, name);
        this.context = context;
        this.name = name;
        this.username = username;
        this.password = password;
        this.role = role;
        this.listener = listener;
    }

delete.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                setDelPressed(true);
                name.remove(position);
                username.remove(position);
                password.remove(position);
                role.remove(position);
                listener.deleteuser(position);
                notifyDataSetChanged();
                setPos(position);

            }
        });

@Override
    public void deleteuser(final int pos)
    {
        StringRequest stringRequest = new StringRequest(Request.Method.POST, DELETEUSERINFO, new Response.Listener<String>() {
            @Override
            public void onResponse(String response)
            {
                String resp = response.toString().trim();
                if (resp.equals("UNABLE TO DELETE USER"))
                {
                    Log.d("UNABLE TO DEL",resp);
                }else if (resp.equals("USER DELETED SUCCESSFULLY"))
                {
                    Toast.makeText(UserRegistration.this, "USER DELETED SUCCESSFULLY", Toast.LENGTH_SHORT).show();
                }

            }
        },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {

                        Toast.makeText(UserRegistration.this, "Please check your internet connection", Toast.LENGTH_LONG).show();
                    }
                }){

            @Override
            protected Map<String, String> getParams() throws AuthFailureError {
                Map<String, String> params = new HashMap<>();
                params.put(KEY_NAME, employee_name.get(pos));
                params.put(KEY_ROLE,employee_role.get(pos));
                return params;
            }
        };
        RequestQueue rq = Volley.newRequestQueue(this);
        rq.add(stringRequest);
    }