AVQuery<AVObject> query = new AVQuery<>("interview");
query.whereEqualTo("Flag", "2");
query.findInBackground(new FindCallback<AVObject>() {
@Override
public void done(List<AVObject> list, AVException e) {
strings.clear();
for (int i = 0; i < list.size(); i++) {
final String name = (String) list.get(i).get("name");
strings.add(name);
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
final Date updatedAt = list.get(i).getUpdatedAt();
final String newdate = sdf.format(updatedAt);