Setting recyclerview adapter

MainActivity.java

private void parseJSON(String url)
    {
        JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(
                Request.Method.GET,
                url,
                null,
                new Response.Listener<JSONObject>()
                {
                    @Override
                    public void onResponse(JSONObject response)
                    {
                        //System.out.println("RESPONSE: " + Res);
                        try
                        {
                            progressBar.setVisibility(View.GONE);
                            JSONArray jsonArray = response.getJSONArray("News");

                            for (int i = 0; i < jsonArray.length() - 1; i++)
                            {
                                JSONObject newsItem = jsonArray.getJSONObject(i);
                                JSONObject data = newsItem.getJSONObject("data");

                                imageUrl = "https://metbuat.az" + data.getString("image_t");
                                titleText = data.getString("title");
                                subTitleText = data.getString("sub_title");
                                watched = data.getString("views_stats");
                                body = data.getString("details_full");
                                lastNewsUNIX = String.valueOf(data.getLong("add_date"));
                                /*if (i == jsonArray.length() - 2)
                                {
                                    System.out.println("unix of lastnews: " + lastNewsUNIX);
                                }*/

                                String sendUs = data.getString("sendus_text");
                                SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
                                editor = sharedPreferences.edit();
                                editor.putString("sendUs", sendUs);
                                editor.apply();

                                // region Time
                                addDateTimestamp = data.getLong("add_date") * 1000;
                                Calendar cal = Calendar.getInstance();
                                cal.setTimeInMillis(addDateTimestamp);

                                int year = cal.get(Calendar.YEAR);
                                int monthNumber = cal.get(Calendar.MONTH);
                                int day = cal.get(Calendar.DAY_OF_MONTH);
                                int hour = cal.get(Calendar.HOUR_OF_DAY);
                                int minute = cal.get(Calendar.MINUTE);

                                if (minute < 10) minuteText = "0" + minute;
                                else minuteText = Integer.toString(minute);

                                if (hour < 10)
                                {
                                    // hour = 0 olanda -1 eliyir
                                    if (hour == -1) hourText = "23";
                                    else hourText = "0" + Integer.toString(hour);
                                }
                                else hourText = Integer.toString(hour);

                                if (day < 10) dayText = "0" + day;
                                else dayText = Integer.toString(day);

                                titleText = titleText.replace("&quot;", "\"");
                                subTitleText = subTitleText.replace("&quot;", "\"");

                                if (subTitleText != null && !subTitleText.isEmpty())
                                {
                                    if (!(titleText.substring(titleText.length() - 1)).equals(" ") && !(subTitleText.substring(0, 1)).equals(" "))
                                    {
                                        titleText = titleText + " ";
                                    }
                                }

                                shareText = titleText + subTitleText;
                                shareUrl = data.getString("news_url");

                                time = hourText + ":" + minuteText;
                                date = dayText + " " + months[monthNumber] + " " + year;

                                //endregion

                                if (!data.getString("gallery").equals("false"))
                                {
                                    JSONArray galleryJsonArray = data.getJSONArray("gallery");
                                    jsonGallery = galleryJsonArray.toString();
                                }
                                else
                                {
                                    jsonGallery = "";
                                }

                                // her xeberin melumatlarini bir-bir liste elave eliyir
                                feedNewsItemArrayList.add(new FeedNewsItem(imageUrl, titleText, subTitleText, time, date,
                                        watched, body, addDateTimestamp, currentDate, jsonGallery, shareText, shareUrl));
                            }

                            feedAdapter = new FeedAdapter(MainActivity.this, feedNewsItemArrayList);
                            recyclerView.setAdapter(feedAdapter);
                            feedAdapter.setOnItemClickListener(MainActivity.this);
                        }
                        catch (JSONException e)
                        {
                            e.printStackTrace();
                        }
                    }
                },
                new Response.ErrorListener()
                {
                    @Override
                    public void onErrorResponse(VolleyError error)
                    {
                        progressBar.setVisibility(View.GONE);
                        Toast.makeText(MainActivity.this, "İnternet bağlantısı yoxdur", Toast.LENGTH_LONG).show();
                    }
                }
        );

        requestQueue.add(jsonObjectRequest);
    }