| AnimationDrawable | 
              An object used to create frame-by-frame animations, defined by a series of Drawable objects,
 which can be used as a View object's background.  | 
          
        
              | BitmapDrawable | 
              A Drawable that wraps a bitmap and can be tiled, stretched, or aligned.  | 
          
        
              | ClipDrawable | 
              A Drawable that clips another Drawable based on this Drawable's current
 level value.  | 
          
        
              | ColorDrawable | 
              A specialized Drawable that fills the Canvas with a specified color,
 with respect to the clip region.  | 
          
        
              | Drawable | 
              A Drawable is a general abstraction for "something that can be drawn."  Most
 often you will deal with Drawable as the type of resource retrieved for
 drawing things to the screen; the Drawable class provides a generic API for
 dealing with an underlying visual resource that may take a variety of forms.  | 
          
        
              | Drawable.ConstantState | 
                | 
          
        
              | DrawableContainer | 
                | 
          
        
              | DrawableContainer.DrawableContainerState | 
                | 
          
        
              | GradientDrawable | 
              A Drawable with a color gradient for buttons, backgrounds, etc.  | 
          
        
              | InsetDrawable | 
              A Drawable that insets another Drawable by a specified distance.  | 
          
        
              | LayerDrawable | 
              A Drawable that manages an array of other Drawables.  | 
          
        
              | LevelListDrawable | 
              A resource that manages a number of alternate Drawables, each assigned a maximum numerical value.  | 
          
        
              | NinePatchDrawable | 
              A resizeable bitmap, with stretchable areas that you define.  | 
          
        
              | PaintDrawable | 
              Drawable that draws its bounds in the given paint, with optional
 rounded corners.  | 
          
        
              | PictureDrawable | 
              Drawable subclass that wraps a Picture, allowing the picture to be used
 whereever a Drawable is supported.  | 
          
        
              | RotateDrawable | 
              A Drawable that can rotate another Drawable based on the current level
 value.   | 
          
        
              | ScaleDrawable | 
              A Drawable that changes the size of another Drawable based on its current
 level value.  | 
          
        
              | ShapeDrawable | 
              A Drawable object that draws primitive shapes.  | 
          
        
              | ShapeDrawable.ShaderFactory | 
              Base class defines a factory object that is called each time the drawable
 is resized (has a new width or height).  | 
          
        
              | StateListDrawable | 
              Lets you assign a number of graphic images to a single Drawable and swap out the visible item by a string
 ID value.  | 
          
        
              | TransitionDrawable | 
              An extension of LayerDrawables that is intended to cross-fade between
 the first and second layer.  |