import 'package:flutter/material.dart'; import 'package:flutter_ijkplayer/flutter_ijkplayer.dart'; class TestHideSystemBar extends StatefulWidget { @override _TestHideSystemBarState createState() => _TestHideSystemBarState(); } class _TestHideSystemBarState extends State { @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text("Test system bar"), ), body: Column( children: [ FlatButton( child: Text("show"), onPressed: () => show(true), ), FlatButton( child: Text("hide"), onPressed: () => show(false), ), ], ), ); } show(bool show) { IjkManager.showStatusBar(show); } }