Warning: file_get_contents(/data/phpspider/zhask/data//catemap/5/flutter/9.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/1/dart/3.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Flutter &引用_DrawAreaBoundsoutDate==false';:“这不是真的”;使用图表\u颤振包更新TimeSeriesChart的列表数据时出错_Flutter_Dart_Charts - Fatal编程技术网

Flutter &引用_DrawAreaBoundsoutDate==false';:“这不是真的”;使用图表\u颤振包更新TimeSeriesChart的列表数据时出错

Flutter &引用_DrawAreaBoundsoutDate==false';:“这不是真的”;使用图表\u颤振包更新TimeSeriesChart的列表数据时出错,flutter,dart,charts,Flutter,Dart,Charts,我收到以下错误: “\u DrawAreaBoundSoutDate==false”:不为true” 每当我使用图表\u颤振包通过steam更新TimeSeriesChart的列表数据时。如果我在页面上再次执行任何操作以设置状态,图表将正确重建。请帮助,这里描述的解决方法:仍然会导致异常。将图表存储在一个有状态小部件中的类似变量中 Widget _timeSeriesChart; 在获取像这样的数据集状态时 setState(() { _timeSeriesChart = charts.

我收到以下错误:

“\u DrawAreaBoundSoutDate==false”:不为true”


每当我使用图表\u颤振包通过steam更新TimeSeriesChart的列表数据时。如果我在页面上再次执行任何操作以设置状态,图表将正确重建。请帮助,这里描述的解决方法:仍然会导致异常。

将图表存储在一个有状态小部件中的类似变量中

Widget _timeSeriesChart;
在获取像这样的数据集状态时

 setState(() {
  _timeSeriesChart = charts.TimeSeriesChart(
    incomeExpensesList, // This is the data you forge after completing API call.
    animate: true,
    defaultRenderer: charts.LineRendererConfig(),
    customSeriesRenderers: [
      charts.PointRendererConfig(
        customRendererId: 'customPoint',
      )
    ],
    dateTimeFactory: const charts.LocalDateTimeFactory(),
  );
});