public int getViewVerticalDragRange(View child) {
            return 0;
        }
Return the magnitude of a draggable child view's vertical range of motion in pixels.
This method should return 0 for views that cannot move vertically.

@param child Child view to check
@return range of vertical motion in pixels
app/src/main/java/home/smart/fly/animations/widget/slidepanel/ViewDragHelper.java