API_Get_List.kt

    private void API_Get_List() {

        ExecutorService executor = Executors.newSingleThreadExecutor();
        Handler handler = new Handler(Looper.getMainLooper());

        executor.execute(new Runnable() {
            @Override
            public void run() {

                final StringRequest request = new StringRequest(Request.Method.POST,
                        "https://primex11.live/game/Api/contest_player_details", new Response.Listener<String>() {
                    @Override
                    public void onResponse(String response) {
                        listModels.clear();
                        Log.d("TAG", response.toString());

                        try {
                            JSONObject obj = new JSONObject(response);
                            int success = obj.getInt("status");

                            long start = System.currentTimeMillis();
                            System.out.println(">>> DONE API start=" + start);

                            if (success != Appconfig.TAG_SUCCESS) {
                                // Handle unsuccessful response
                            } else {
                                JSONArray arr = obj.getJSONArray("data");

                                for (int i = 0; arr.length() > i; i++) {
                                    JSONObject obj1 = arr.getJSONObject(i);
                                    apilist_contestId = obj1.getString("contest_play_id");
                                    apilist_teamName = obj1.getString("team_name");

                                    apilist_playerId1 = obj1.getString("player1_id");
                                    apilist_playerName1 = obj1.getString("player1");
                                    apilist_playerPoints1 = "0";

                                    apilist_playerId2 = obj1.getString("player2_id");
                                    apilist_playerName2 = obj1.getString("player2");
                                    apilist_playerPoints2 = "0";

                                    apilist_playerId3 = obj1.getString("player3_id");
                                    apilist_playerName3 = obj1.getString("player3");
                                    apilist_playerPoints3 = "0";

                                    apilist_playerId4 = obj1.getString("player4_id");
                                    apilist_playerName4 = obj1.getString("player4");
                                    apilist_playerPoints4 = "0";


                                    apilist_playerId5 = obj1.getString("player5_id");
                                    apilist_playerName5 = obj1.getString("player5");
                                    apilist_playerPoints5 = "0";

                                    apilist_playerId6 = obj1.getString("player6_id");
                                    apilist_playerName6 = obj1.getString("player6");
                                    apilist_playerPoints6 = "0";

                                    apilist_playerId7 = obj1.getString("player7_id");
                                    apilist_playerName7 = obj1.getString("player7");
                                    apilist_playerPoints7 = "0";

                                    apilist_playerId8 = obj1.getString("player8_id");
                                    apilist_playerName8 = obj1.getString("player8");
                                    apilist_playerPoints8 = "0";

                                    apilist_playerId9 = obj1.getString("player9_id");
                                    apilist_playerName9 = obj1.getString("player9");
                                    apilist_playerPoints9 = "0";

                                    apilist_playerId10 = obj1.getString("player10_id");
                                    apilist_playerName10 = obj1.getString("player10");
                                    apilist_playerPoints10 = "0";

                                    apilist_playerId11 = obj1.getString("player11_id");
                                    apilist_playerName11 = obj1.getString("player11");
                                    apilist_playerPoints11 = "0";

                                    apilist_pointsTotal = "0";

                                    listModels.add(new ListModel(apilist_teamName, apilist_playerId1, apilist_playerName1, apilist_playerPoints1, apilist_playerId2, apilist_playerName2, apilist_playerPoints2, apilist_playerId3, apilist_playerName3, apilist_playerPoints3, apilist_playerId4, apilist_playerName4, apilist_playerPoints4, apilist_playerId5, apilist_playerName5, apilist_playerPoints5, apilist_playerId6, apilist_playerName6, apilist_playerPoints6, apilist_playerId7, apilist_playerName7, apilist_playerPoints7, apilist_playerId8, apilist_playerName8, apilist_playerPoints8, apilist_playerId9, apilist_playerName9, apilist_playerPoints9, apilist_playerId10, apilist_playerName10, apilist_playerPoints10, apilist_playerId11, apilist_playerName11, apilist_playerPoints11));
                                    //DATABASE
                                    dblistModels.add(new DbListModel(apilist_contestId, apilist_teamName, apilist_playerId1, apilist_playerName1, apilist_playerPoints1, apilist_playerId2, apilist_playerName2, apilist_playerPoints2, apilist_playerId3, apilist_playerName3, apilist_playerPoints3, apilist_playerId4, apilist_playerName4, apilist_playerPoints4, apilist_playerId5, apilist_playerName5, apilist_playerPoints5, apilist_playerId6, apilist_playerName6, apilist_playerPoints6, apilist_playerId7, apilist_playerName7, apilist_playerPoints7, apilist_playerId8, apilist_playerName8, apilist_playerPoints8, apilist_playerId9, apilist_playerName9, apilist_playerPoints9, apilist_playerId10, apilist_playerName10, apilist_playerPoints10, apilist_playerId11, apilist_playerName11, apilist_playerPoints11, apilist_pointsTotal));

                                    // Do something with the parsed data
                                }

                                System.out.println(">>> done loop " + (System.currentTimeMillis() - start) + "ms");

                                dbViewModel.insertData(dblistModels);

                                handler.post(new Runnable() {
                                    @Override
                                    public void run() {
                                        recyclerViewDb.setLayoutManager(new LinearLayoutManager(MainActivity.this));
                                        dbViewModel.getAllLeaderBoardFromDB().observe(MainActivity.this, dbModels ->
                                        {
                                            long end = System.currentTimeMillis();
                                            System.out.println(">>> end=" + end);

                                            if (dbModels != null && !dbModels.isEmpty()) {
                                                dbListAdapter = new DbListAdapter(MainActivity.this, (ArrayList<DbListModel>) dbModels);
                                                recyclerViewDb.setAdapter(dbListAdapter);

                                                int storeList = dbListAdapter.getItemCount();

                                                txt_total.setText(String.valueOf(storeList));
                                                int getcount = dbListAdapter.getItemCount();
                                                if (getcount >= 0) {

                                                    recyclerView.setVisibility(View.GONE);
                                                }

                                            }
                                        });

                                        listAdapter = new ListAdapter(getApplicationContext(), listModels);
                                        LinearLayoutManager layoutManager = new LinearLayoutManager(getApplicationContext(), LinearLayoutManager.VERTICAL, false);
                                        recyclerView.setLayoutManager(layoutManager);
                                        recyclerView.setAdapter(listAdapter);
                                        listAdapter.notifyDataSetChanged();
                                    }
                                });
                            }
                        } catch (JSONException e) {
                            e.printStackTrace();
                        }
                    }
                }, new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        // Handle error response
                    }
                }) {

                    @Override
                    protected Map<String, String> getParams() {
                        Map<String, String> params = new HashMap<String, String>();
                        params.put("contest_id", "34");
                        return params;
                    }

                };

                // Adding request to request queue
                request.setRetryPolicy(new DefaultRetryPolicy(
                        Appconfig.TAG_VOLLERY_TIMEOUT,
                        DefaultRetryPolicy.DEFAULT_MAX_RETRIES,
                        DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));

                requestQueue.add(request);

            }
        });

    }