@Override
 public View getChildView(int i, final int i2, boolean b, View view, ViewGroup viewGroup) {
   SharedPreferences sharedPreferences =
       context.getSharedPreferences(
           SettingStrings.shared_user_settings + LinkBoxController.usrListData.usrKey, 0);
   final SharedPreferences.Editor editor = sharedPreferences.edit();
   if (view == null) {
     view = layoutInflater.inflate(R.layout.layout_notification_list_item, viewGroup, false);
   }
   BoxListData boxListData = getChild(i, i2);
   TextView tvChildNotification = ViewHolder.get(view, R.id.TV_child_notification_user_setting);
   CheckBox cbChildNotification = ViewHolder.get(view, R.id.CB_child_notification_user_setting);
   tvChildNotification.setText(boxListData.boxName);
   cbChildNotification.setEnabled(LinkBoxController.defaultAlarm);
   cbChildNotification.setChecked(sharedPreferences.getBoolean("notiCheck" + i2, true));
   Log.d(TAG, boxListData.boxName + " : " + sharedPreferences.getBoolean("notiCheck" + i2, true));
   cbChildNotification.setOnCheckedChangeListener(
       new CompoundButton.OnCheckedChangeListener() {
         @Override
         public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
           editor.putBoolean("notiCheck" + i2, b);
           editor.apply();
         }
       });
   return view;
 }
 @Override
 public View getGroupView(int i, boolean b, View view, ViewGroup viewGroup) {
   if (view == null) {
     view = layoutInflater.inflate(R.layout.layout_notification_list_header, viewGroup, false);
   }
   BoxListData boxListData = getGroup(i);
   TextView tvGroupNotification = ViewHolder.get(view, R.id.TV_group_notification_user_setting);
   CheckBox cbGroupNotification = ViewHolder.get(view, R.id.CB_group_notification_user_setting);
   tvGroupNotification.setText(boxListData.boxName);
   cbGroupNotification.setChecked(LinkBoxController.defaultAlarm);
   cbGroupNotification.setOnCheckedChangeListener(
       new CompoundButton.OnCheckedChangeListener() {
         @Override
         public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
           LinkBoxController.defaultAlarm = b;
           notifyDataSetChanged();
         }
       });
   return view;
 }