public class MainActivity extends AppCompatActivity {
    private RecyclerView recyclerView;
    private ExampleAdapter exampleAdapter;
    private ArrayList<ExampleItem> exampleList;
    private RequestQueue requestQueue;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        recyclerView = findViewById(R.id.recycler_view);
        recyclerView.setHasFixedSize(true);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));

        exampleList = new ArrayList<>();

        requestQueue = Volley.newRequestQueue(this);
        parseJson();
    }

    private void parseJson() {
        String url = "https://pixabay.com/api/?key=5303976-fd6581ad4ac165d1b75cc15b3&q=kitten&image_type=photo&pretty=true";
        JsonObjectRequest request = new JsonObjectRequest(Request.Method.GET, url,
                null, new Response.Listener<JSONObject>() {
            @Override
            public void onResponse(JSONObject response) {
                try {
                    JSONArray jsonArray = response.getJSONArray("hits");
                    for (int i = 0; i < jsonArray.length(); i++) {
                        JSONObject hit = jsonArray.getJSONObject(i);
                        String creatorName = hit.getString("user");
                        String imageUrl = hit.getString("webformatURL");
                        int likeCount = hit.getInt("likes");

                        exampleList.add(new ExampleItem(imageUrl, creatorName, likeCount));
                    }
                    exampleAdapter = new ExampleAdapter(MainActivity.this, exampleList);
                    recyclerView.setAdapter(exampleAdapter);
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }
        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                error.printStackTrace();
            }
        });
        requestQueue.add(request);
    }
}