Listview inside DraggableScrollableSheet not scrolling in flutter

Question

I am designed very heavy nested design like below, the issue when my list expands the listview doesn\'t seems to be scrolling what is the reason for this, the bottomsheet gets e

Answer 1

Screenshot:

---

Call this method:

void showMyBottomSheet(BuildContext context) {
  showModalBottomSheet(
    context: context,
    isScrollControlled: true,
    builder: (_) {
      return DraggableScrollableSheet(
        maxChildSize: 0.8,
        expand: false,
        builder: (_, controller) {
          return Column(
            children: [
              Container(
                width: 100,
                height: 8,
                margin: EdgeInsets.symmetric(vertical: 10),
                decoration: BoxDecoration(
                  borderRadius: BorderRadius.circular(20),
                  color: Colors.grey,
                ),
              ),
              Expanded(
                child: ListView.builder(
                  controller: controller,
                  itemCount: 100,
                  itemBuilder: (_, i) => ListTile(title: Text('Item $i')),
                ),
              ),
            ],
          );
        },
      );
    },
  );
}