| ArcShape | Creates an arc shape. | 
| OvalShape | Defines an oval shape. | 
| PathShape | Creates geometric paths, utilizing the Pathclass. | 
| RectShape | Defines a rectangle shape. | 
| RoundRectShape | Creates a rounded-corner rectangle. | 
| Shape | Defines a generic graphical "shape."
 Any Shape can be drawn to a Canvas with its own draw() method,
 but more graphical control is available if you instead pass
 it to a ShapeDrawable. | 
