view or viewgroup instead of the View.getTag.

Hi. thank you for your build animation library, I met some problems in use process.I want to use this animation in a view.Such as:
((BaseViewAnimator) (view.getTag())).setDuration(800)
.setInterpolator(new AccelerateInterpolator())
.animate(mTarget);
How to make the view or viewgroup instead of the View.getTag.

Thanks a lots;