Flutter 使用Tabbar不要Title
flutter 不要 title tabBar 使用
2023-09-14 08:58:44 时间
Demo 1
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
theme: ThemeData(
primaryColor: Colors.blue,
accentColor: Colors.pink,
),
home: HomePage(),
);
}
}
class HomePage extends StatefulWidget {
@override
_HomePageState createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
final tabs = ["One", "Two", "Three"];
@override
Widget build(BuildContext context) {
return DefaultTabController(
length: tabs.length,
child: Scaffold(
appBar: PreferredSize(
preferredSize: Size.fromHeight(kToolbarHeight),
child: Container(
color: Theme.of(context).primaryColor,
child: SafeArea(
child: Column(
children: <Widget>[
Expanded(child: SizedBox()),
getTabBar(),
],
),
),
),
),
body: getTabBarPages(),
),
);
}
Widget getTabBar() {
return TabBar(
indicatorColor: Theme.of(context).accentColor,
tabs: tabs.map((t) {
return Tab(
child: Text(t),
);
}).toList(),
);
}
Widget getTabBarPages() {
return TabBarView(
children: tabs.map((t) {
return Center(
child: Text(t),
);
}).toList(),
);
}
}
Demo 2
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
theme: ThemeData(
primaryColor: Colors.blue,
accentColor: Colors.pink,
),
home: HomePage(),
);
}
}
class HomePage extends StatefulWidget {
@override
_HomePageState createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
final tabs = ["One", "Two", "Three"];
@override
Widget build(BuildContext context) {
return DefaultTabController(
length: tabs.length,
child: Scaffold(
appBar: AppBar(
flexibleSpace: SafeArea(
child: Column(
children: <Widget>[
Expanded(child: SizedBox()),
getTabBar(),
],
),
),
),
body: getTabBarPages(),
),
);
}
Widget getTabBar() {
return TabBar(
indicatorColor: Theme.of(context).accentColor,
tabs: tabs.map((t) {
return Tab(
child: Text(t),
);
}).toList(),
);
}
Widget getTabBarPages() {
return TabBarView(
children: tabs.map((t) {
return Center(
child: Text(t),
);
}).toList(),
);
}
}
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