Widget _buildSimple(BuildContext context) {
  return const TDCellGroup(
    cells: [
      TDCell(arrow: true, title: '单行标题'),
      TDCell(arrow: true, title: '单行标题', required: true),
      TDCell(arrow: true, title: '单行标题', noteWidget: TDBadge(TDBadgeType.message, count: '8')),
      TDCell(arrow: false, title: '单行标题', rightIconWidget: TDSwitch(isOn: true)),
      TDCell(arrow: true, title: '单行标题', note: '辅助信息'),
      TDCell(arrow: true, title: '单行标题', leftIcon: TDIcons.lock_on),
      TDCell(arrow: false, title: '单行标题'),
    ],
  );
}