The class android.view.View is the base class for UI objects in Android.
There are three major types of views:
SurfaceView
ViewGroup
Widget
SurfaceView: provides a direct drawing surface.
ViewGroup: are an abstraction of layouts and other view containers.
Widget: are the classic UI components you'll use most often.
the next thing we need to do is link to these components in code and bring them to life with activities.
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