public void resetData() {
        mFirstVisiPos = 0;
        mLastVisiPos = 0;
        onceCompleteScrollLength = -1;
        mHorizontalOffset = 0;
        mVerticalOffset = 0;
        focusdPosition = -1;
        cancelAnimator();
    }
@param trasitionListener if null,remove all
@return
imitate/src/main/java/com/engineer/imitate/ui/list/layoutmanager/FocusLayoutManager.java