onToolTipRender Null check operator used on a null value

[Leon]

Hello guys,

since I have used onToolTipRender on LineChart, I get following error message If I tap on trendline:

Null check operator used on a null value

If I remove onToolTipRender everything works fine.

Is there a known problem and is it possible to change the tooltip of trendline separate ?

[Yuvaraj Gajaraj]

Hi Leon, 

 

The reported issue is already fixed, and it will be roll out in our next weekly patch release expected on 15th Mar 2022. We appreciate your patience until then. 

 

Regards, 

Yuvaraj. 

[Yuvaraj Gajaraj]

Hi Leon, 

 

The trendline with onTooltipRender callback is working properly with the latest version of our package, Kindly upgrade to resolve the reported scenario. 

 

Version: https://pub.dev/packages/syncfusion_flutter_charts/versions/19.4.56   

 

Regards, 

Yuvaraj.

[Leon]

Thanks, everything works fine now.

[Yuvaraj Gajaraj]

Hi Leon, 

 

Most welcome. If you have any further query, please get back to us, we are always happy to assist you. 

 

Regards, 

Yuvaraj.