Iterable<Widget> divideItems({BuildContext context, Iterable<Widget> items, Color color })

Add a one pixel border in between each item. If color isn't specified the ThemeData.dividerColor of the context's Theme is used.

See also:

  • Divider, which you can use to obtain this effect manually.

Source 

static Iterable<Widget> divideItems({ BuildContext context, Iterable<Widget> items, Color color }) sync* {
  assert(items != null);
  assert(color != null || context != null);

  final Color dividerColor = color ?? Theme.of(context).dividerColor;
  final Iterator<Widget> iterator = items.iterator;
  final bool isNotEmpty = iterator.moveNext();

  Widget item = iterator.current;
  while (iterator.moveNext()) {
    yield new DecoratedBox(
      decoration: new BoxDecoration(
        border: new Border(
          bottom: new BorderSide(color: dividerColor),
        ),
      ),
      child: item,
    );
    item = iterator.current;
  }
  if (isNotEmpty)
    yield item;
}