Answers for "how to add drawer in flutter"

flutter drawer

Scaffold(
   drawer: Drawer(
      child: ListView(
        padding: EdgeInsets.zero,
        children: [
              DrawerHeader(
                   child: Text("Header")),
              ListTile(
                  title: Text("Home"))
        ]),
  ), 
);

flutter drawer

Scaffold(
  appBar: AppBar(
    title: const Text('Drawer Demo'),
  ),
  drawer: Drawer(
    child: ListView(
      padding: EdgeInsets.zero,
      children: const <Widget>[
        DrawerHeader(
          decoration: BoxDecoration(
            color: Colors.blue,
          ),
          child: Text(
            'Drawer Header',
            style: TextStyle(
              color: Colors.white,
              fontSize: 24,
            ),
          ),
        ),
        ListTile(
          leading: Icon(Icons.message),
          title: Text('Messages'),
        ),
        ListTile(
          leading: Icon(Icons.account_circle),
          title: Text('Profile'),
        ),
        ListTile(
          leading: Icon(Icons.settings),
          title: Text('Settings'),
        ),
      ],
    ),
  ),
)

app drawer in flutter

class navigationDrawer extends StatelessWidget {
 @override
 Widget build(BuildContext context) {
   return Drawer(
     child: ListView(
       padding: EdgeInsets.zero,
       children: <Widget>[
         createDrawerHeader(),
         createDrawerBodyItem(
           icon: Icons.home,text: 'Home'),
         createDrawerBodyItem(
           icon: Icons.account_circle,text: 'Profile'),

         createDrawerBodyItem(
           icon: Icons.event_note,text: 'Events'),
         Divider(),
         createDrawerBodyItem(
           icon: Icons.notifications_active,text: 'Notifications'),
         createDrawerBodyItem(
           icon: Icons.contact_phone,text: 'Contact Info'),
         ListTile(
           title: Text('App version 1.0.0'),
           onTap: () {},
         ),
       ],
     ),
   );
 }
}

flutter screen hidden drawer dont show on all pages

class MyDrawer extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Drawer(...);
  }
}
---------------------------------------------------------
And then when using it in each page:

Scaffold(
  drawer: MyDrawer(...),
  ...
)

add a drawer flutter

Drawer(
  // Add a ListView to the drawer. This ensures the user can scroll
  // through the options in the drawer if there isn't enough vertical
  // space to fit everything.
  child: ListView(
    // Important: Remove any padding from the ListView.
    padding: EdgeInsets.zero,
    children: <Widget>[
      DrawerHeader(
        decoration: BoxDecoration(
          color: Colors.blue,
        ),
        child: Text('Drawer Header'),
      ),
      ListTile(
        title: Text('Item 1'),
        onTap: () {
          // Update the state of the app.
          // ...
        },
      ),
      ListTile(
        title: Text('Item 2'),
        onTap: () {
          // Update the state of the app.
          // ...
        },
      ),
    ],
  ),
);

app drawer in flutter

Widget createDrawerHeader() {
 return DrawerHeader(
     margin: EdgeInsets.zero,
     padding: EdgeInsets.zero,
     decoration: BoxDecoration(
         image: DecorationImage(
             fit: BoxFit.fill,
             image:  AssetImage('images/bg_header.jpeg'))),
     child: Stack(children: <Widget>[
       Positioned(
           bottom: 12.0,
           left: 16.0,
           child: Text("Welcome to Flutter",
               style: TextStyle(
                   color: Colors.white,
                   fontSize: 20.0,
                   fontWeight: FontWeight.w500))),
     ]));
}