BottomAppBar constructor

const BottomAppBar({Key key, Color color, double elevation: 8.0, NotchedShape shape, Clip clipBehavior: Clip.none, double notchMargin: 4.0, Widget child })

Creates a bottom application bar.

The color, elevation, and clipBehavior arguments must not be null.

Implementation 

const BottomAppBar({
  Key key,
  this.color,
  this.elevation = 8.0,
  this.shape,
  this.clipBehavior = Clip.none,
  this.notchMargin = 4.0,
  this.child,
}) : assert(elevation != null),
     assert(elevation >= 0.0),
     assert(clipBehavior != null),
     super(key: key);