View派生出的直接子类有：AnalogClock,ImageView,KeyboardView, ProgressBar,SurfaceView,TextView,ViewGroup,ViewStub

View派生出的间接子类有：AbsListView,AbsSeekBar, AbsSpinner, AbsoluteLayout, AdapterView<T extends Adapter>,AdapterViewAnimator, AdapterViewFlipper, AppWidgetHostView, AutoCompleteTextView,Button,CalendarView, CheckBox, CheckedTextView, Chronometer, CompoundButton,

ViewGroup派生出的直接子类有：AbsoluteLayout,AdapterView<T extends Adapter>,FragmentBreadCrumbs,FrameLayout,LinearLayout,RelativeLayout,SlidingDrawer

ViewGroup派生出的间接子类有：AbsListView,AbsSpinner, AdapterViewAnimator, AdapterViewFlipper, AppWidgetHostView, CalendarView, DatePicker, DialerFilter, ExpandableListView, Gallery, GestureOverlayView,GridView,HorizontalScrollView, ImageSwitcher,ListView,

Android View与ViewGroup 关系