public void setScrollableView(View scrollableView) {
        mScrollableView = scrollableView;
    }
Set the scrollable child of the sliding layout. If set, scrolling will be transfered between
the panel and the view when necessary

@param scrollableView The scrollable view
app/src/main/java/home/smart/fly/animations/widget/slidepanel/SlidingUpPanelLayout.java