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我有以下代码,但我面临一些问题,可能与'open'关键字有关。迅速 - 扩展PieChartView
class CustomPieChartView: PieChartView
{
internal override func initialize()
{
super.initialize()
renderer = PieChartRenderer(chart: self, animator: _animator, viewPortHandler: _viewPortHandler)
_xAxis = nil
self.highlighter = PieHighlighter(chart: self)
}
}
你不能覆盖框架的内部功能 –