private void SetChartData()
{
var chart = FindViewById <PieChart>(Resource.Id.chart);
chart.RotationAngle = 0;
chart.RotationEnabled = true;
chart.HighlightPerTapEnabled = false;
chart.SetUsePercentValues(true);
chart.Description.Enabled = false;
chart.SetExtraOffsets(5, 10, 5, 5);
chart.DrawHoleEnabled = true;
chart.SetHoleColor(Color.Transparent);
chart.HoleRadius = 7f;
chart.AnimateY(1400, Easing.EasingOption.EaseInOutQuad);
var entries = new List <PieEntry>();
var values = ViewModel.StatisticItems.Select(x => x.Value).ToList();
var labels = ViewModel.StatisticItems.Select(x => x.Label).ToList();
for (int i = 0; i < values.Count; i++)
{
entries.Add(new PieEntry((float)values[i], labels[i]));
}
var dataSet = new PieDataSet(entries, "")
{
SliceSpace = 1f
};
dataSet.AddColor(Resources.GetColor(Resource.Color.color_spreading1, Theme));
dataSet.AddColor(Resources.GetColor(Resource.Color.color_spreading2, Theme));
dataSet.AddColor(Resources.GetColor(Resource.Color.color_spreading3, Theme));
dataSet.AddColor(Resources.GetColor(Resource.Color.color_spreading4, Theme));
dataSet.AddColor(Resources.GetColor(Resource.Color.color_spreading5, Theme));
dataSet.AddColor(Resources.GetColor(Resource.Color.color_spreading6, Theme));
dataSet.AddColor(Resources.GetColor(Resource.Color.color_spreading7, Theme));
var data = new PieData(dataSet);
data.SetValueFormatter(new PercentFormatter());
data.SetValueTextSize(11f);
data.SetValueTextColor(Color.White);
chart.SetDrawEntryLabels(false);
chart.Data = data;
var legend = chart.Legend;
legend.TextSize = 12f;
legend.Orientation = Legend.LegendOrientation.Vertical;
legend.SetDrawInside(false);
legend.VerticalAlignment = Legend.LegendVerticalAlignment.Top;
legend.HorizontalAlignment = Legend.LegendHorizontalAlignment.Left;
legend.XEntrySpace = 7f;
legend.YEntrySpace = 0;
legend.YOffset = 0f;
chart.HighlightValues(null);
chart.Invalidate();
}
private void MyPieChart()
{
sumOfLowOccupancy = (from table in mListStatsColumns
where table.LOW_OCCUPANCY.Contains("YES", StringComparison.OrdinalIgnoreCase)
select table).Count();
sumOfHighOccupancy = (from table in mListStatsColumns
where table.LOW_OCCUPANCY.Contains("NO", StringComparison.OrdinalIgnoreCase)
select table).Count();
resoultHighOccupancy = (sumOfHighOccupancy / sumOfLowOccupancy) * 100;
resoultLowOccupncy = (sumOfLowOccupancy / sumOfHighOccupancy) * 100;
mListOfEntry = new List <PieEntry>();
mListOfEntry.Add(new PieEntry(resoultHighOccupancy, "High occupancy"));
mListOfEntry.Add(new PieEntry(resoultLowOccupncy, "Low occupancy"));
dataSet = new PieDataSet(mListOfEntry, "");
dataSet.SliceSpace = 3;
dataSet.SelectionShift = 2;
dataSet.SetColor(Color.DarkGreen, 200);
dataSet.AddColor(Color.DarkRed);
PieData data = new PieData(dataSet);
data.SetValueFormatter(new PercentFormatter());
data.SetValueTextSize(11f);
data.SetValueTextColor(Color.Black);
mPieChart.Data = data;
mPieChart.HighlightValues(null);
mPieChart.SetUsePercentValues(true);
mPieChart.Description.Enabled = false;
mPieChart.SetExtraOffsets(5, 10, 5, 5);
mPieChart.DrawHoleEnabled = true;
mPieChart.SetHoleColor(Color.White);
mPieChart.HoleRadius = 7;
mPieChart.SetTransparentCircleAlpha(10);
mPieChart.RotationAngle = 0;
mPieChart.RotationEnabled = true;
mPieChart.HighlightPerTapEnabled = true;
mPieChart.AnimateY(2000, Easing.EasingOption.EaseInOutQuad);
Legend legend = mPieChart.Legend;
legend.Position = Legend.LegendPosition.RightOfChart;
legend.XEntrySpace = 7;
legend.YEntrySpace = 5;
mPieChart.Invalidate();
}
