Volley sample

JsonArrayRequest request = new JsonArrayRequest(url, new Response.Listener<JSONArray>() {
            @Override
            public void onResponse(JSONArray response) {
                for (int i = 0; i < response.length(); i++) {
                    try {
                        JSONObject jp = response.getJSONObject(i);
                        Post p = new Post(
                                jp.getInt("userId"),
                                jp.getInt("id"),
                                jp.getString("title"),
                                jp.getString("body")
                        );
                        mPosts.add(p);
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }

                }
            }
        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                Toast.makeText(getActivity(), "Error", Toast.LENGTH_SHORT).show();
            }
        });