Question

Android Programming:

Which of the following statements are true regarding RecyclerViews and ListViews? (more than one can be selected)

A. While ListView is defined in the android.widget package, RecycleView is not. RecycleView is defined in the support library.

B. You cannot scroll down the list when using the ListView.

C. A RecycleView use a small number of views efficiently to provide the support for a large collection of views beyond the screen.

D. Both are indirect subclasses of the android.widget.AdapterView class.

Answer 1

A. True:- ListView is defined under android.widget package and RecyclerView is in android.support.v7.widget.RecyclerView. RecyclerView is successor of ListView and added to the latest v7 support package.

B. False:- ListView is a view which allows you to add several items into a vertically scrollable list.

C. True:- The idea of using RecyclerView is about faking, and as the user needs to move the screen, you create new elements, and while creating new elements, you actually reuse the existing views.

D. False:- ListView is indirectly subclass of AdapterView class but, RecyclerView is unfortunately not, it is direct subclass of ViewGroup instead.