我正在尝试改变状态栏的颜色为白色。我偶然发现了这家酒吧。我尝试在我的dart文件中使用示例代码。
当前回答
对于那些有iOS和Android颜色不一致的问题的人来说,这个方法对我来说很管用:
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
return AppBar(
systemOverlayStyle: (Platform.isIOS)
? SystemUiOverlayStyle.light
: const SystemUiOverlayStyle(
statusBarColor: pbsBlue,
statusBarIconBrightness: Brightness.light,
statusBarBrightness: Brightness.light,
),
backgroundColor: Colors.blue,
title: Text('Home'),
);
请注意,这是AppBar可重用小部件的摘录。
其他回答
你也可以在SliverAppBar中使用这个,不要忘记使用backwardsCompatibility: false如果你跳过这个属性,它将不起作用。参见doc
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: null,
body: CustomScrollView(
slivers: <Widget>[
SliverAppBar(
systemOverlayStyle: SystemUiOverlayStyle(
statusBarColor: Colors.transparent,
statusBarIconBrightness: Brightness.dark),
backwardsCompatibility: false,
//... remaining code and close braces..
适用于iOS和Android
import 'package:flutter/services.dart';
@override
Widget build(BuildContext context) {
SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle.dark);
return Scaffold();
}
完整的示例
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
debugShowCheckedModeBanner: false,
home: const MyHomePage(title: 'Flutter Demo Home Page'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({Key? key, required this.title}) : super(key: key);
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
@override
Widget build(BuildContext context) {
return AnnotatedRegion<SystemUiOverlayStyle>(
value: const SystemUiOverlayStyle(
systemNavigationBarColor: Colors.red, // navigation bar color
systemNavigationBarIconBrightness: Brightness.light, //navigation bar icons' color
),
child: Scaffold(
appBar: AppBar(
backgroundColor: Colors.red,
title: const Text('data'),
systemOverlayStyle: SystemUiOverlayStyle.dark.copyWith(
statusBarColor: Colors.red,
statusBarIconBrightness: Brightness.light,
),
),
),
);
}
}
我对所有提到的答案都有问题,除了我自己做的解决方案:容器(宽度:MediaQuery.of(context).size。MediaQuery.of(context).padding. width, height:上衣,颜色:颜色。绿色) 对于视图,哪里没有appBar添加我只是使用容器的背景,准确的高度匹配状态栏的高度。在这个场景中,每个视图可以有不同的状态颜色,我不需要担心和思考一些逻辑,某种错误的视图有某种错误的颜色。
如果你想改变整个应用程序的状态颜色,你可以像这样使用primaryColorDark属性:
void main() {
runApp(
MaterialApp(
home: HomeWidget(),
theme: ThemeData(
primaryColorDark: Colors.white,
),
),
);
}