Syntax

                Scaffold(
                  appBar:  /*some application bar*/,
                  body:  /*some body*/,
                  floatingActionButton:  /*some floating action button*/,
                );

                

constructor and properties

                const Scaffold({  
                  Key key,  
                  this.appBar,  
                  this.body,  
                  this.floatingActionButton,  
                  this.floatingActionButtonLocation,  
                  this.persistentFooterButtons,  
                  this.drawer,  
                  this.endDrawer,  
                  this.bottomNavigationBar,  
                  this.bottomSheet,  
                  this.floatingActionButtonAnimator,  
                  this.backgroundColor,  
                  this.resizeToAvoidBottomPadding = true,  
                  this.primary = true,  
                })  

                

floatingActionButton

                Widget build(BuildContext context) {
  return Scaffold(
    appBar: AppBar(title: const Text('GeeksforGeeks')),
    body: const Center(
      child: Text(
        "Welcome to GeeksforGeeks!!!",
        style: TextStyle(
          color: Colors.black,
          fontSize: 40.0,
        ),
      ),
    ),
    floatingActionButton: FloatingActionButton(
      elevation: 10.0,
      child: const Icon(Icons.add),
      onPressed: () {
        // action on button press
      },
    ),
  );
}
                

drawer

drawer: Drawer(
  child: ListView(
    children: const <Widget>[
      DrawerHeader(
        decoration: BoxDecoration(
          color: Colors.green,
        ),
        child: Text(
          'GeeksforGeeks',
          style: TextStyle(
            color: Colors.green,
            fontSize: 24,
          ),
        ),
      ),
      ListTile(
        title: Text('Item 1'),
      ),
      ListTile(
        title: Text('Item 2'),
      ),
    ],
  ),
),

bottomNavigationBar

bottomNavigationBar: BottomNavigationBar(
		currentIndex: 0,
		fixedColor: Colors.green,
		items: const [
		BottomNavigationBarItem(
			label: "Home",
			icon: Icon(Icons.home),
		),
		BottomNavigationBarItem(
			label: "Search",
			icon: Icon(Icons.search),
		),
		BottomNavigationBarItem(
			label: "Profile",
			icon: Icon(Icons.account_circle),
		),
		],
		onTap: (int indexOfItem) {}),