void setLabelsText() {
    // remove all first
    final int childCount = panelLabels.getChildCount();
    if (childCount > 1) {
      panelLabels.removeViews(1, childCount - 2);
    }

    int pos = 1;
    for (Label label : labels) {
      panelLabels.addView(getLabelView(label), pos++);
    }
  }