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NoSuchMethodError: The getter 'zoomFactor' was called on null Declined - Cannot Reproduce

: Jul 08, 2020 4:02 AM

: Aug 20, 2020 8:20 AM

: Bug Report

: SfCartesianChart

: 18.2.0.44

: Jul 08, 2020 4:02 AM

: Bug Report

: SfCartesianChart

After updating to 18.2.44, I got a NoSuchMethodError.

I cannot provide a simple sample code for this bug because it only crash it a very complex widget tree. I guess the main problem is using Chart combined with ChangeNotifierProvider and Selector. For some unknown reason, the Chart was built two times before it first render.

I try to fix this bug myself. The bug is fixed after I making this change in

syncfusion_flutter_charts-18.2.44\lib\src\chart\axis\axis.dart at line 1122 and 1123.