public final void smoothScrollTo(int x, int y) {
        smoothScrollBy(x - getScrollX(), y - getScrollY());
    }
Like {@link #scrollTo}, but scroll smoothly instead of immediately.

@param x the position where to scroll on the X axis
@param y the position where to scroll on the Y axis
app/src/main/java/home/smart/fly/animations/widget/NestedScrollView.java