private boolean scrollToChildRect(Rect rect, boolean immediate) {
        final int delta = computeScrollDeltaToGetChildRectOnScreen(rect);
        final boolean scroll = delta != 0;
        if (scroll) {
            if (immediate) {
                scrollBy(0, delta);
            } else {
                smoothScrollBy(0, delta);
            }
        }
        return scroll;
    }
If rect is off screen, scroll just enough to get it (or at least the
first screen size chunk of it) on screen.

@param rect      The rectangle.
@param immediate True to scroll immediately without animation
@return true if scrolling was performed
app/src/main/java/home/smart/fly/animations/widget/NestedScrollView.java