An in-depth look at the Scaffold widget

The Scaffold widget implements the basic Material Design visual layout for your app. As such, it provides a means for showing drawers, snack bars, and bottom sheets. As of this writing, it’s involved in implementing, six elements defined in the Material Design: The AppBar class, the FloatingActionButton class, the Drawer class, the BottomNavigationBar class, the SnackBar class, and last but not…