scrollable list

//
// following code is checked in 2016/01/13
// interface is change , following code is wrong.
//
import 'package:flutter/material.dart';
class ScrollableComponent extends StatefulComponent {
ScrollableListState createState() => new ScrollableListState();
}
class ScrollableListState extends State<ScrollableComponent> {
List<String> itemContents = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11"];
Widget build(BuildContext context) {
ScrollableList list = new ScrollableList<String>(
items: itemContents, itemExtent: 50.0,
scrollableListPainter: new ScrollbarPainter(),
itemBuilder: (BuildContext context, String content, int index){
return new Text(content, key: new ValueKey<String>(content));
});
GestureDetector tap = new GestureDetector(onTap: () {
itemContents.add("new ${itemContents.length}");
setState(() {});
}, child: list);
Widget scrollable = new Container(child: tap);
return new Container(child: new Center(child: new Card(child: scrollable)));
}
}
void main() {
runApp(new ScrollableComponent());
}