The material design guidelines specify a few kinds of view components that were new in Lollipop. The Android team provides implementations of many of these components. Let’s take a look at a few of the views you are likely to run into.
The first new widget is a frame for other widgets: cards (Figure 35.10).
Figure 35.10 Cards
A card is a container for other kinds of content. It is elevated slightly, with a shadow behind it, and its corners are slightly rounded.
This is not a design book, so we cannot provide advice on when and where to use cards. (See Google’s material design documentation ...