@Override
        public void onStart() {
            mDropPos = mFloatPos;
            srcPos = mSrcPos;
            mDragState = DROPPING;
            mInitDeltaY = mFloatLoc.y - getTargetY();
            mInitDeltaX = mFloatLoc.x - getPaddingLeft();
        }
Centers floating View over drop slot before destroying.
third_party/DragSortListView/src/com/mobeta/android/dslv/DragSortListView.java