private void disallowParentInterceptTouchEvent() {
        if (null != viewParent) {
            viewParent.requestDisallowInterceptTouchEvent(true);
        }
    }
Disallow parent view from intercepting touch events. Use it for chart that is within some scroll container i.e.
ViewPager.
hellocharts-library/src/lecho/lib/hellocharts/gesture/ChartTouchHandler.java