Briefing Android Knowledge

Which of these is NOT recommended in the Android Developer’s Guide as a method of creating an

Which of these is NOT recommended in the Android Developer’s Guide as a method of creating
an individual View?

A.
Create by extending the android.view.View class.

B.
Create by extending already existing View classes such as Button or TextView.

C.
Create by copying the source of an already existing View class such as Button or TextView

D.
Create by combining multiple Views.