RestaurantListActivity.java

private void initiateRestaurantApi(String place, String query,final View recyclerView) {

        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl(API_BASE_URL)
                .addConverterFactory(GsonConverterFactory.create())
                .build();
        SearchRestaurantApi api = retrofit.create(SearchRestaurantApi.class);
        Call<SearchRestaurantResponse[]> call = api.getRestaurantsList("json",place,query);
        progessBar.setVisibility(View.VISIBLE);
        call.enqueue(new Callback<SearchRestaurantResponse[]>() {
            @Override
            public void onResponse(Response<SearchRestaurantResponse[]> response) {
                if(response.isSuccess()) {
                    Log.d(LOG_TAG, "success - response is " + response.body());
                    restaurants = Arrays.asList(response.body());
                    setupRecyclerView((RecyclerView) recyclerView);
                    progessBar.setVisibility(View.GONE);

                } else {
                    progessBar.setVisibility(View.GONE);
                    Log.d(LOG_TAG, "failure response is " + response.raw().toString());

                }
            }

            @Override
            public void onFailure(Throwable t) {
                Log.d(LOG_TAG, " Error :  " + t.getMessage());
            }
        });

    }