main.dart

class ShowListView extends StatelessWidget {
  final List<DataPoint> timeline;

  ShowListView(this.timeline);

  @override
  Widget build(BuildContext context) {
    print(timeline.length);
    print("\n\n");
    return ListView.builder(
      itemCount: timeline.length,
      itemBuilder: (context, index){
        return Column(
            children: <Widget>[
              ListTile(
              leading: Text("${timeline[index].date}"),
              title:  Center(child: Text("Total Cases: ${timeline[index].num}")),
            ),
            Divider(),
        ]
        );
      }
    );
  }
}