DraggableScrollableSheet example

example.dart

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        appBar: AppBar(
          title: const Text('DraggableScrollableSheet'),
        ),
        body: SizedBox.expand(
          child: DraggableScrollableSheet(
            builder: (BuildContext context, ScrollController scrollController) {
              return Container(
                color: Colors.blue[100],
                child: ListView.builder(
                  controller: scrollController,
                  itemCount: 25,
                  itemBuilder: (BuildContext context, int index) {
                    return ListTile(title: Text('Item $index'));
                  },
                ),
              );
            },
          ),
        ),
      ),
    );
  }
}