Flutter SliverAppBar
2020-03-06 本文已影响0人
三只仓鼠
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
debugShowCheckedModeBanner: false,
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: SafeArea(
child: Scaffold(
body: Home(),
)),
);
}
}
class Home extends StatelessWidget {
@override
Widget build(BuildContext context) {
return CustomScrollView(
slivers: <Widget>[
SliverAppBar(
expandedHeight: 210,
floating: false,////滑动时是否悬浮
pinned: true,//固定标题栏
flexibleSpace: FlexibleSpaceBar(
title: Text("Demo Title"),
centerTitle: true,
background: Image.network(
"http://pic26.nipic.com/20130122/5056611_171645641000_2.jpg",
fit: BoxFit.cover,
),
),
),
SliverFillRemaining(
child: Container(),
)
],
);
}
}