@Override
        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
            if (isScrollEnabled) {
                return chartScroller.fling((int) -velocityX, (int) -velocityY, computator);
            }

            return false;
        }
Allow parent view to intercept touch events if chart cannot be scroll horizontally or vertically according to
the
current value of {@link #containerScrollType}.
hellocharts-library/src/lecho/lib/hellocharts/gesture/ChartTouchHandler.java