A primary toolbar within the activity that may display the activity title, application-level navigation affordances, and other interactive items.
This class provides a handy way to tie together the functionality of
A subclass of Dialog that can display one, two or three buttons.
Base class for activities that wish to use some of the newer platform features on older Android devices.
This class represents a delegate which you can use to extend AppCompat's support to any
Base class for AppCompat themed
This class is used by AppCompat to automatically "substitute" all usages of core Android widgets inflated from layout files by the AppCompat extensions of those widgets.