需要手動(dòng)導(dǎo)包

import 'dart:io';
import 'package:flutter/services.dart';

需要注意的是：

image.png

import 'package:flutter/material.dart';
import 'dart:io';
import 'package:flutter/services.dart';

//首頁
void main() {
  runApp(new MyApp());
  //判斷如果是Android版本的話 設(shè)置Android狀態(tài)欄透明沉浸式
  if (Platform.isAndroid) {
    //沉浸式狀態(tài)欄
    //寫在組件渲染之后，是為了在渲染后進(jìn)行設(shè)置賦值，覆蓋狀態(tài)欄，寫在渲染之前對MaterialApp組件會(huì)覆蓋這個(gè)值。
    SystemUiOverlayStyle systemUiOverlayStyle =
    SystemUiOverlayStyle(statusBarColor: Colors.transparent);
    SystemChrome.setSystemUIOverlayStyle(systemUiOverlayStyle);
  }
}
 class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
       title: "我只是顯示而已",
        debugShowCheckedModeBanner: false,
       theme: ThemeData(
         primaryColor: Color(0xff1594FA)
       ),
       home: MyHomePage()
     );
   }
 }

 class MyHomePage extends StatefulWidget {
   @override
   _MyHomePageState createState() => _MyHomePageState();
 }

 class _MyHomePageState extends State<MyHomePage> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
         title: Text("我是標(biāo)題"),
        centerTitle: true,),
         body: Center(
           child: Text("居中"),
         ),
     );
   }
 }

一張是Android透明沉浸式狀態(tài)欄效果圖，另外一張是按了home鍵的效果圖

0CD09B5222EF8F35988672192BF474A9.png

B73BC1DB07DB434AFA750FAF117D0160.jpg