I'm using a LineChart on iOS, and I get a null pointer exception when a
point is added to the series. It seems like it happens on the first point.
I've been using this feature for quite a while without issue, but builds
now are not working. I also tried it with the Chart demo, by adding a class
to create datapoints and feed them to the chart and it causes the
exception. On my app, it will crash after the exception but on the demo it
will plot points to the chart after the first one pops up the exception.
I built with sources and used XCode and a phone to run both the app and the
demo, and the stack trace is the same:
2017-05-28 15:56:57.443524-0700 ChartTest[424:41670] [EDT] 0:0:0,2 -
Codename One revisions: 5ad4700144e6d2d647e4bfdbed729151640d4c7f
2376
2017-05-28 15:56:57.487668-0700 ChartTest[424:41670] [EDT] 0:0:0,46 -
Exception: java.lang.NullPointerException - null
2017-05-28 15:56:57.492692-0700 ChartTest[424:41670]
java.lang.NullPointerException
at com_codename1_charts_views_XYChart.draw:288
at com_codename1_charts_ChartUtil.paintChart:53
at com_codename1_charts_ChartComponent.paint:286
at com_codename1_ui_Component.internalPaintImpl:1564
at com_codename1_ui_Component.paintInternalImpl:1538
at com_codename1_ui_Component.paintInternal:1513
at com_codename1_ui_Container.paint:1439
at com_codename1_ui_Component.internalPaintImpl:1564
at com_codename1_ui_Component.paintInternalImpl:1538
at com_codename1_ui_Component.paintInternal:1513
at com_codename1_ui_Container.paint:1439
at com_codename1_ui_Component.internalPaintImpl:1564
at com_codename1_ui_Component.paintInternalImpl:1538
at com_codename1_ui_Component.paintInternal:1513
at com_codename1_ui_Container.paint:1439
at com_codename1_ui_Form.paint:3256
at com_codename1_ui_Component.internalPaintImpl:1564
at com_codename1_ui_Form.internalPaintImpl:3266
at com_codename1_ui_Component.paintInternalImpl:1538
at com_codename1_ui_Component.paintInternal:1513
at com_codename1_ui_Component.paintInternal:1481
at com_codename1_ui_Component.paintComponent:1766
at com_codename1_ui_Component.paintComponent:1713
at com_codename1_impl_CodenameOneImplementation.paintDirty:596
at com_codename1_ui_Display.edtLoopImpl:979
at com_codename1_ui_Display.mainEDTLoop:901
at com_codename1_ui_RunnableWrapper.run:120
at com_codename1_impl_CodenameOneThread.run:176
at java_lang_Thread.runImpl:153
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