@Override
 public boolean onOptionsItemSelected(MenuItem item) {
   switch (item.getItemId()) {
     case R.id.selectscreen_menu_search:
       onSearchRequested();
       return true;
     case R.id.selectscreen_menu_autoselect:
       autoselectDialog.show();
       return true;
     default:
       return super.onOptionsItemSelected(item);
   }
 }
 private void initAutoSelect() {
   autoselectDialog = new AutoselectDialog(this, classList, teacherList, roomList, subjectList);
   autoselectDialog.setAutoSelectSet(autoSelect);
 }