code: private void adaptButtonBar() {
          if (buttonBarContainer != null) {
              inflateButtonBar();
              adaptPositiveButton();
              adaptNegativeButton();
              adaptNeutralButton();
              adaptButtonTextColor();
              adaptButtonTypeface();
              adaptButtonBarContainerVisibility();
              adaptButtonBarDividerVisibility();
          }
      }
docs: Adapts the button bar.