Widget _leftNoticeBar(BuildContext context) {
  return const TDNoticeBar(
    context: '这是一条普通的通知信息',
    suffixIcon: TDIcons.chevron_right,
    left: TDButton(
      text: '文本',
      type: TDButtonType.text,
      theme: TDButtonTheme.primary,
      size: TDButtonSize.extraSmall,
      height: 22,
      padding: EdgeInsets.symmetric(vertical: 0, horizontal: 0),
    ),
  );
}