How to make editetext interconnceted when choosing one parameter.

   private void makeJsonObjectRequest() {

        // showpDialog();

        JsonObjectRequest jsonObjReq = new JsonObjectRequest(Request.Method.GET,
                urlJsonObj, null, new Response.Listener<JSONObject>() {

            @Override
            public void onResponse(JSONObject response) {
                Log.d(TAG, response.toString());
                Toast.makeText(Facebook.this, response.toString(), Toast.LENGTH_SHORT).show();

                try {

                      JSONArray data = response.getJSONArray("data");
                       Log.d("data",data.toString());
                    for (int i = 0; i < response.length(); i++) {
                        JSONObject bigdata = data.getJSONObject(i);
                        Log.d("bigdata:", bigdata.toString());

                        String univ_name = bigdata.getString("university_name");
                        Log.d("univename", univ_name);




                        Universitylist = new ArrayList<>();
//                        for (University university : response.getData()) {
//                            if (!university.getUniversityName().isEmpty()) {
                                Universitylist.add(bigdata.toString(Integer.parseInt("")));
                                //  Log.d("fguniversity",Universitylist.toString());



                            if (Universitylist.size() > 0) {
                                universityAdapter = new ArrayAdapter<String>(Facebook.this, R.layout.spinner_item, Universitylist);
                                universityAdapter.setDropDownViewResource(R.layout.spinner_itemforchild);

                                fguniversity.setOnClickListener(new AdapterView.OnClickListener() {

                                    public void onClick(View v) {
                                        new AlertDialog.Builder(Facebook.this)
                                                .setTitle("Select University")
                                                .setAdapter(universityAdapter, new DialogInterface.OnClickListener() {

                                                    public void onClick(DialogInterface dialog, int which) {
                                                        fguniversity.setText(Universitylist.get(which).toString());
                                                        if (universityAdapter.getItem(which).equals("RGPV")) {
                                                            u_id = "1";
                                                        }


                                                        //   fetchCollegeFromServerByUniversityName(u_id);
                                                        dialog.dismiss();
                                                    }
                                                }).create().show();
                                    }
                                });
                            }
                        }

                } catch (JSONException e) {
                    e.printStackTrace();
                    Toast.makeText(getApplicationContext(),
                            "Error: " + e.getMessage(),
                            Toast.LENGTH_LONG).show();
                }
                //  hidepDialog();
            }
        }, new Response.ErrorListener() {

            @Override
            public void onErrorResponse(VolleyError error) {
                VolleyLog.d(TAG, "Error: " + error.getMessage());
                Toast.makeText(getApplicationContext(),
                        error.getMessage(), Toast.LENGTH_SHORT).show();
                // hide the progress dialog
                // hidepDialog();
            }
        });

        // Adding request to request queue
        AppController.getInstance().addToRequestQueue(jsonObjReq);
    }

    public class Universitydata {

        @SerializedName("data")
        List<University> mData;



        public List<University> getData() {
            return mData;
        }

        public void setData(List<University> data) {
            mData = data;
        }

    }