how to use 'LineChartView' to draw a line between nonzero values?

[zq190693370]

Hi there~

if the chart data array contains zero values, 'LineChartView' will draw a line from one value to next one, include zero value! now my requirement is ignoreing zero values and drawing a line between nonzero values, like this:

how should i do? thks!

[liuxuan30]

use two data sets as workaround.