flutter-listview-example-separator.dart

class ListViewSeparated extends StatelessWidget {

  final List<String> data = [];

  ListViewSeparated() {
    for (var i = 0; i < 100; i++) {
      data.add(_randomString(20));
    }
  }

  @override
  Widget build(BuildContext context) {
    return ListView.separated(
      separatorBuilder: (context, index) => Divider(color: Colors.black,),
      itemBuilder: (context, index) {
        return Padding(
          padding: const EdgeInsets.all(12.0),
          child: Container(
            height: 50,
            color: Colors.blue,
            child: Center(
              child: Text(
                data[index],
                style: TextStyle(color: Colors.white),
              ),
            ),
          ),
        );
      },
      itemCount: data.length,
    );
  }
}