48.2 An Overview of the CardView
The CardView class is a user interface view that allows information to be presented in groups using a card metaphor. Cards are usually presented in lists using a RecyclerView instance and may be configured to appear with shadow effects and rounded corners. Figure 48-4, for example, shows three CardView instances configured to display a layout consisting of an ImageView and two TextViews:
Figure 48-4
The user interface layout to be presented with a CardView instance is defined within an XML layout resource file and loaded into the CardView at runtime. The CardView layout can contain a layout of any complexity using the standard layout managers such as RelativeLayout and LinearLayout. The following XML layout file represents a card view layout consisting of a RelativeLayout and a single ImageView. The card is configured to be elevated to create shadowing effect and to appear with rounded corners:
<?xml version="1.0" encoding...