How to hide drawer in flutter after changing Scaffold.body value

Are you using exactly Navigator.of(context).pop()? I cannot reproduce your problem, can you post a minimal example to reproduce it?

The following code works as expected: the settings button pops away the drawer, while the other don't.

class MyHomePage extends StatefulWidget {  MyHomePage({Key key, this.title}) : super(key: key);  final String title;  @override  _MyHomePageState createState() => new _MyHomePageState();}class _MyHomePageState extends State<MyHomePage> {  String text = "Initial Text";  @override  Widget build(BuildContext context) {    return new Scaffold(        drawer: new Drawer(          child: new ListView(            children: <Widget>[              new Container(child: new DrawerHeader(child: new Container())),              new Container (                child: new Column(                    children: <Widget>[                      new ListTile(leading: new Icon(Icons.info),                          onTap:(){                            setState((){                              text = "info pressed";                            });                          }                      ),                      new ListTile(leading: new Icon(Icons.save),                          onTap:(){                            setState((){                              text = "save pressed";                            });                          }                      ),                      new ListTile(leading: new Icon(Icons.settings),                          onTap:(){                            setState((){                              text = "settings pressed";                            });                            Navigator.of(context).pop();                          }                      ),                    ]                ),              )            ],          ),        ),        appBar: new AppBar(title: new Text("Test Page"),),        body: new Center(child: new Text((text)),        ));  }}

create scaffoldKey

close drawer

 _scaffoldKey.currentState.openEndDrawer(),

open drawer

scaffoldKey.currentState.openDrawer(),

Example

     InkWell(        onTap: ()=> widget.scaffoldKey.currentState.openDrawer(),        child: Icon(          Icons.menu,          size: 38,          color: Color(0xFFFFFFFF),        ),      ), 

If you are using a MaterialApp you need to use Scaffold.of(context).openEndDrawer() that way you do not need to create a GlobalKey.

class Menu extends StatelessWidget {  const Menu({    Key key,  }) : super(key: key);  @override  Widget build(BuildContext context) {    return ListView(      padding: EdgeInsets.zero,      children: [        FlatButton(          onPressed: () {            Navigator.of(context).pushNamed('/');            Scaffold.of(context).openEndDrawer();          },          child: ListTile(            leading: Icon(Icons.home),            title: Text('Home'),          ),        ),        FlatButton(          onPressed: () {            Navigator.of(context).pushNamed('/about');            Scaffold.of(context).openEndDrawer();          },          child: ListTile(            leading: Icon(Icons.question_answer),            title: Text('About'),          ),        ),      ],    );  }}