Widget _buildDescGridActionSheet(BuildContext context) {
  return TDButton(
    text: '带描述宫格型',
    isBlock: true,
    type: TDButtonType.outline,
    theme: TDButtonTheme.primary,
    size: TDButtonSize.large,
    onTap: () {
      TDActionSheet(
        context,
        visible: true,
        theme: TDActionSheetTheme.grid,
        count: 8,
        description: '动作面板描述文字',
        items: _gridItems,
      );
    },
  );
}