BaseTransientBottomBar.ContentViewCallback This interface is deprecated. Use ContentViewCallback instead.  
ContentViewCallback Interface that defines the behavior of the main content of a transient bottom bar. 


BaseTransientBottomBar<B extends BaseTransientBottomBar<B>> Base class for lightweight transient bars that are displayed along the bottom edge of the application window. 
BaseTransientBottomBar.BaseCallback<B> Base class for BaseTransientBottomBar callbacks. 
BaseTransientBottomBar.Behavior Behavior for BaseTransientBottomBar
Snackbar Snackbars provide lightweight feedback about an operation. 
Snackbar.Callback Callback class for Snackbar instances.