void setCurrentItemInternal(int item, boolean smoothScroll, boolean always) {
        setCurrentItemInternal(item, smoothScroll, always, 0);
    }
Set the currently selected page.

@param item         Item index to select
@param smoothScroll True to smoothly scroll to the new item, false to transition immediately
dkplayer-sample/src/main/java/xyz/doikki/dkplayer/widget/VerticalViewPager.java