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| 1 | +import 'package:flutter/material.dart'; |
| 2 | +import 'package:scroll_to_top/scroll_to_top.dart'; |
| 3 | + |
| 4 | +void main() { |
| 5 | + runApp(const MyApp()); |
| 6 | +} |
| 7 | + |
| 8 | +class MyApp extends StatelessWidget { |
| 9 | + const MyApp({Key? key}) : super(key: key); |
| 10 | + |
| 11 | + @override |
| 12 | + Widget build(BuildContext context) { |
| 13 | + return MaterialApp( |
| 14 | + title: 'Scroll To Top', |
| 15 | + theme: ThemeData( |
| 16 | + primarySwatch: Colors.blue, |
| 17 | + ), |
| 18 | + home: const MyHomePage(), |
| 19 | + ); |
| 20 | + } |
| 21 | +} |
| 22 | + |
| 23 | +class MyHomePage extends StatefulWidget { |
| 24 | + const MyHomePage({Key? key}) : super(key: key); |
| 25 | + |
| 26 | + @override |
| 27 | + State<MyHomePage> createState() => _MyHomePageState(); |
| 28 | +} |
| 29 | + |
| 30 | +class _MyHomePageState extends State<MyHomePage> { |
| 31 | + final ScrollController _scrollController = ScrollController(); |
| 32 | + @override |
| 33 | + Widget build(BuildContext context) { |
| 34 | + return Scaffold( |
| 35 | + appBar: AppBar(title: const Text("Scroll to top")), |
| 36 | + body: ScrollToTop( |
| 37 | + scrollController: _scrollController, |
| 38 | + child: buildListView(_scrollController), |
| 39 | + ), |
| 40 | + ); |
| 41 | + } |
| 42 | + |
| 43 | + Widget buildListView(ScrollController scrollController) => ListView.builder( |
| 44 | + controller: scrollController, |
| 45 | + physics: const BouncingScrollPhysics(), |
| 46 | + itemCount: 50, |
| 47 | + itemBuilder: (context, index) { |
| 48 | + return SizedBox( |
| 49 | + width: 20, |
| 50 | + child: Padding( |
| 51 | + padding: const EdgeInsets.all(8.0), |
| 52 | + child: Container( |
| 53 | + width: 20, |
| 54 | + decoration: BoxDecoration( |
| 55 | + borderRadius: BorderRadius.circular(10.5), |
| 56 | + color: Colors.green[100], |
| 57 | + ), |
| 58 | + child: Center( |
| 59 | + child: Align( |
| 60 | + alignment: Alignment.centerLeft, |
| 61 | + child: Padding( |
| 62 | + padding: const EdgeInsets.all(8.0), |
| 63 | + child: Text("Index $index"), |
| 64 | + ), |
| 65 | + ), |
| 66 | + ), |
| 67 | + ), |
| 68 | + ), |
| 69 | + ); |
| 70 | + }, |
| 71 | + ); |
| 72 | +} |
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