import 'package:flutter/material.dart';
import 'package:sliver_tools/sliver_tools.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
title: 'SliverList in Flutter',
theme: ThemeData(primarySwatch: Colors.green),
home: HomePage(),
);
}
}
class HomePage extends StatefulWidget {
const HomePage({Key? key}) : super(key: key);
@override
_HomePageState createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("GeeksForGeeks"),
centerTitle: true,
),
body: CustomScrollView(slivers: [
SliverPinnedHeader(
child: Container(
color: Colors.blue[100],
height: 100,
child: Text(
"I am a Pinned Header",
style: TextStyle(fontSize: 30),
))),
SliverAnimatedPaintExtent(
duration: const Duration(milliseconds: 150),
child: SliverList(
delegate: SliverChildBuilderDelegate(
(BuildContext context, int index) {
return Padding(
padding: const EdgeInsets.all(15.0),
child: Container(
color: Colors.pink[100],
height: 40,
alignment: Alignment.center,
child: Text(
"$index",
style: const TextStyle(fontSize: 30),
),
),
);
},
// 40 list items
childCount: 10,
),
),
),
SliverStack(
// defaults to false
insetOnOverlap: true,
children: <Widget>[
SliverPositioned.fill(
child: Container(color: Colors.yellow),
),
SliverList(
delegate: SliverChildBuilderDelegate(
(BuildContext context, int index) {
return Padding(
padding: const EdgeInsets.all(15.0),
child: Container(
color:
index % 2 == 0 ? Colors.green : Colors.greenAccent,
height: 40,
alignment: Alignment.center,
child: Text(
"Item $index",
style: const TextStyle(fontSize: 30),
),
),
);
},
// 40 list items
childCount: 10,
),
),
],
),
SliverGrid(
gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 3,
mainAxisSpacing: 10,
crossAxisSpacing: 10,
childAspectRatio: 2.0,
),
delegate: SliverChildBuilderDelegate(
(context, index) {
return Container(
height: 20,
color: Colors.amber[100],
alignment: Alignment.center,
child: Text(index.toString()),
);
},
childCount: 41,
),
)
]));
}
}