adding UserAccountsDrawerHeader to Drawer

add-user-accounts-drawer-header-to-drawer

return new Scaffold(

      appBar: new AppBar(
          
          )
      ),

      drawer: new Drawer(
        child: new ListView(
          children: <Widget>[

            //display current user info
            new UserAccountsDrawerHeader(
                decoration: new BoxDecoration(color: Colors.white),
                currentAccountPicture:  new CircleAvatar(
                    backgroundImage: currentUser.photoUrl.isNotEmpty ? 
                    new NetworkImage(currentUser.photoUrl) : currentUser.displayName.substring(0)),
                accountName: new Text('Welcome, ${currentUser.displayName}', style: _userInfoTxtStyle),
                accountEmail: new Text(currentUser.email?? '', style:  _userInfoTxtStyle)
            ),
          ],
        ),
      ),

      body: new Center(
        
      )

    );