Widget _buildAccordionCollapse(BuildContext context) {
    return TDCollapse.accordion(
      style: TDCollapseStyle.block,
      expansionCallback: (int index, bool isExpanded) {
        setState(() {
          _accordionData[index].isExpanded = !isExpanded;
        });
      },
      children: _accordionData.map((CollapseDataItem item) {
        return TDCollapsePanel(
          headerBuilder: (BuildContext context, bool isExpanded) {
            return Text(item.headerValue);
          },
          isExpanded: item.isExpanded,
          body: const Text(randomString),
          value: item.expandedValue,
        );
      }).toList(),
    );
  }