Added in API level XE12

Contains classes for Glass-themed UI widgets.

Slider.Determinate	A determinate slider that tracks a position from left to right.
Slider.GracePeriod	A slider that animates from left to right during the given grace period in timeInMs and then dismisses itself after running the appropriate callback.
Slider.GracePeriod.Listener	Listener call-backs.
Slider.Indeterminate	An indeterminate slider that animates continuously to indicate ongoing but otherwise unknown progress.
Slider.Scroller	A scroll slider that indicates the current position within a fixed-size collection.

CardBuilder	The `CardBuilder` class helps with building Glass-themed cards with various layouts.
CardScrollAdapter	A special form of a `BaseAdapter`.
CardScrollView	A `View` that shows horizontally scrolling children views, referred to as cards.
Slider	A `Slider` from which slider appearances can be drawn: `Slider.Scroller`, `Slider.Determinate`, `Slider.Indeterminate`, and `Slider.GracePeriod`.

CardBuilder.Layout	Defines the visual layouts for cards.
CardScrollView.Animation	Defines animation type used to navigate to, insert, or delete a card.

com.google.android.glass.widget Stay organized with collections Save and categorize content based on your preferences.