如何在xamarin.android中自定义oxypolt饼图？

Question

我的简单氧气饼图的代码就是这个

        var plotView = new PlotView (this);
        plotView.Model = PieViewModel();

        this.AddContentView (plotView,
            new ViewGroup.LayoutParams (ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.MatchParent));

        public PlotModel PieViewModel()
        {
            var modelP1 = new PlotModel { Title = "Pie Sample1" };
            dynamic seriesP1 = new PieSeries { StrokeThickness = 2.0, InsideLabelPosition = 0.8, AngleSpan = 360, StartAngle = 0 };
            seriesP1.Slices.Add(new PieSlice("Africa", 1030) { IsExploded = false, Fill = OxyColors.PaleVioletRed });
            seriesP1.Slices.Add(new PieSlice("Americas", 929) { IsExploded = true });
            seriesP1.Slices.Add(new PieSlice("Asia", 4157) { IsExploded = true });
            seriesP1.Slices.Add(new PieSlice("Europe", 739) { IsExploded = true });
            seriesP1.Slices.Add(new PieSlice("Oceania", 35) { IsExploded = true });
            modelP1.Series.Add(seriesP1);


            return modelP1;
        }

现在我想自定义此图表，如highchart（饼图）

像这样：http://www.highcharts.com/demo/pie-basic

我怎么能这样做需要你的帮助？

注意：我需要xamarin.android和xamarin.IOS

这个图表

谢谢