@Override
 protected void onRestart() {
   super.onRestart();
   if (setting_invalidate_checker_.isInvalidated()) {
     Intent intent = new Intent(this, this.getClass());
     MigrationSDK5.Intent_addFlagNoAnimation(intent);
     startActivity(intent);
     finish();
     return;
   }
 }
  // ////////////////////////////////////////////////////////////
  // アイテムタップ
  // ////////////////////////////////////////////////////////////
  @Override
  public boolean onChildClick(
      ExpandableListView parent, View v, int group_position, int child_position, long id) {
    BoardData data = (BoardData) list_adapter_.getChild(group_position, child_position);
    if (data == null) return false;

    Intent intent = new Intent(this, ThreadListActivity.class);
    intent.setData(Uri.parse(data.getSubjectsURI()));
    MigrationSDK5.Intent_addFlagNoAnimation(intent);
    startActivity(intent);
    return true;
  }
 public void toggleSearchBar() {
   Intent intent = new Intent(this, Find2chSearchActivity.class);
   MigrationSDK5.Intent_addFlagNoAnimation(intent);
   startActivity(intent);
 }