private boolean startSelection(View v, Node item) {
    if (nActions != null) {
      return false;
    }

    // Start the CAB using the ActionMode.Callback defined above
    nActions = new NodeActions(ChildrenBrowserFragment.this, item);
    nActions.setOnFinishModeListerner(
        new onFinishModeListerner() {
          @Override
          public void onFinish() {
            nActions = null;
          }
        });
    getActivity().startActionMode(nActions);
    selectedItems.clear();
    selectedItems.add(item);
    return true;
  }