Fetching json

FetchingJsonActivity.java

  public class FetchingJsonActivity extends AppCompatActivity {

    @Inject
    UserService userService;
    UserView someView;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.id.user_view);
        someView = (UserView) findViewById(R.id.user);

        userService.getUser().enqueue(new Callback<User>() {
            @Override
            public void onResponse(Call<User> call, Response<User> response) {
                User user = response.body();
                userView.populate(user);
            }

            @Override
            public void onFailure(Call<User> call, Throwable t) {
                Log.e("getUser","ooops");
            }
        });
    }
}