A.setGravity B.setOrientation C.setLayoutGravity D.setCenter
A.RatingBar(Context.context) B.RatingBar(Context.context,AttributeSet.attrs) C.RatingBar(Context.context,AttributeSet.attrs,int.defStyleAttr) D.RatingBar(Context.context,AttributeSet.attrs,int.defStyleAttr,int.defStyleRes)
A.android:visibility="gone" B.android:secondaryProgress="81" C.android:progress="11" D.android:max="101"