main.dart

@override
  Widget build(BuildContext context) {
    return WillPopScope(
      onWillPop: () async => false,
      child : Scaffold(
        appBar: AppBar(
          title: Text(widget.title),
          automaticallyImplyLeading: false,
          backgroundColor: Colors.redAccent,
          elevation: 0.0,
        ),
        body: MainMenu(),
      )
    );
  }