public static ViewDragHelper create(ViewGroup forParent, Callback cb) {
        return new ViewDragHelper(forParent.getContext(), forParent, null, cb);
    }
Factory method to create a new ViewDragHelper.

@param forParent Parent view to monitor
@param cb Callback to provide information and receive events
@return a new ViewDragHelper instance
app/src/main/java/home/smart/fly/animations/widget/slidepanel/ViewDragHelper.java