Test your knowledge

1. Elevation should be used for which of the following?
   • When the user selects an item in a list
   • To selectively highlight one item above a flat layout
   • When a user swipes to delete items
2. CoordinatorLayout can be used to coordinate movement and size between which of these?
   • The components nested in an AppBarLayout
   • Any of its direct child widgets
   • Fragment in different activities
3. To change elevation of a widget in a backward-compatible way, you need to do which of the mentioned?
   • Nest the widget in a CardView
   • Use the ViewCompat class
   • Use Java reflection to call setElevation

4. The GridLayout class should be used in which of the following conditions?
   • When ConstraintLayout is not available
   • To display large tables of data
   • To lay out screens along grid lines