private void loadData() {

    final ApiService api = ApiClient.getApiService();

    Call<ItemList> call = api.getFairyTailsJSON();


    call.enqueue(new Callback<ItemList>() {
        @Override
        public void onResponse(Call<ItemList> call, Response<ItemList> response) {
            if (response.isSuccessful()) {

                itemList = response.body().getItems();

                adapter = new ItemsAdapter(MainActivity.this, itemList);
                adapter.setItemSendId(MainActivity.this);
                recyclerView.setLayoutManager(new GridLayoutManager(MainActivity.this, 1));
                recyclerView.setItemAnimator(new DefaultItemAnimator());
                recyclerView.setAdapter(adapter);

            } else {
                Toast.makeText(MainActivity.this, "Не удается найти данные для отображения", Toast.LENGTH_SHORT).show();
            }
        }

        @Override
        public void onFailure(Call<ItemList> call, Throwable t) {
            Toast.makeText(MainActivity.this, "Нет доступа к сайту", Toast.LENGTH_SHORT).show();
        }
    });
}