How to show list of nearby events in facebook integration Android?

NearByevents code after integrating facebook sdk in my android

public class NearByEvents extends AppCompatActivity {

Button button;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_near_by_events);

    button = (Button) findViewById(R.id.button);
    listNearByEvents();
}

private void listNearByEvents() {
    AccessToken tok;
    tok = AccessToken.getCurrentAccessToken();
    String id = tok.getUserId();
    new GraphRequest(
            AccessToken.getCurrentAccessToken(), "/"+id+"/events", null, HttpMethod.GET,
            new GraphRequest.Callback() {
                public void onCompleted(GraphResponse response) {
        /* handle the result */

                    Log.e("--result", response + "");
                }
            }
    ).executeAsync();
}

}