code: private void initializeSingleChoiceListDialog() {
          MaterialDialog.Builder builder = new MaterialDialog.Builder(getActivity());
          configureHeaderDialogBuilder(builder);
          configureButtonBarDialogBuilder(builder);
          builder.setSingleChoiceItems(R.array.list_items, 0, createSingleChoiceListener());
          singleChoiceListDialog = builder.create();
      }
docs: Initializes the single choice list dialog.