private void SetData(int count, int range)
{
IList <PieEntry> entries = new List <PieEntry>();
// NOTE: The order of the entries when being added to the entries array determines their position around the center of
// the chart.
for (int i = 0; i < count; i++)
{
entries.Add(new PieEntry((float)((random.Next(range)) + range / 5),
parties[i % parties.Length],
start));
}
PieDataSet dataSet = new PieDataSet(entries, "Election Results")
{
IsDrawIconsEnabled = false,
SliceSpace = 3f,
IconsOffset = new SKPoint(0, 40),
SelectionShift = 5f
};
// add a lot of colors
var colors = new List <SKColor>();
colors.AddRange(ColorTemplate.VordiplomColors);
colors.AddRange(ColorTemplate.JoyfulColors);
colors.AddRange(ColorTemplate.LibreryColors);
colors.AddRange(ColorTemplate.PastelColors);
colors.AddRange(ColorTemplate.JoyfulColors);
colors.Add(ColorTemplate.HoleBlue);
dataSet.Colors = colors;
//dataSet.setSelectionShift(0f);
PieData data = new PieData(dataSet);
data.SetValueFormatter(new PercentFormatter());
data.SetValueTextSize(11f);
data.SetValueTextColor(SKColors.White);
data.SetValueTypeface(FontManager.Default);
Chart.Data = data;
// undo all highlights
Chart.HighlightValues(null);
Chart.InvalidateSurface();
}
private void InitializeChart()
{
if (supportChart != null && supportChart.ChartData != null && chartOriginal != null)
{
var data = supportChart.ChartData.IF_GetDataSet();
var entryOriginal = data.IF_GetEntry().Select(item => new MikePhil.Charting.Data.PieEntry(item.GetPercent(), item.GetText()));
PieDataSet lineDataSet = new PieDataSet(entryOriginal.ToArray(), data.IF_GetTitle());
lineDataSet.SetColors(data.IF_GetEntry().Select(item => item.GetColorFill().ToAndroid().ToArgb()).ToArray());
PieData lineData = new PieData(lineDataSet);
lineData.SetValueFormatter(new PercentFormatter());
lineData.SetValueTextSize(supportChart.ChartData.ValueDisplaySize);
lineData.SetValueTextColor(supportChart.ChartData.ValueDisplayColor.ToAndroid());
chartOriginal.SetEntryLabelColor(supportChart.ChartData.TextDisplayColor.ToAndroid());
chartOriginal.SetEntryLabelTextSize(supportChart.ChartData.TextDisplaySize);
chartOriginal.Data = lineData;
}
}
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();
}
void SetData(int count, float range)
{
float mult = range;
var yVals1 = new List<Entry>();
// IMPORTANT: In a PieChart, no values (Entry) should have the same
// xIndex (even if from different DataSets), since no values can be
// drawn above each other.
for (int i = 0; i < count + 1; i++) {
yVals1.Add(new Entry((float) (new Random().Next() * mult) + mult / 5, i));
}
var xVals = new List<String>();
for (int i = 0; i < count + 1; i++)
xVals.Add(mParties[i % mParties.Length]);
PieDataSet dataSet = new PieDataSet(yVals1, "Election Results");
dataSet.SliceSpace = 2f;
dataSet.SelectionShift = 5f;
var colors = new List<Java.Lang.Integer>();
foreach (Java.Lang.Integer c in ColorTemplate.VordiplomColors)
colors.Add(c);
foreach (Java.Lang.Integer c in ColorTemplate.JoyfulColors)
colors.Add(c);
foreach (Java.Lang.Integer c in ColorTemplate.ColorfulColors)
colors.Add(c);
foreach (Java.Lang.Integer c in ColorTemplate.LibertyColors)
colors.Add(c);
foreach (Java.Lang.Integer c in ColorTemplate.PastelColors)
colors.Add(c);
colors.Add((Java.Lang.Integer)ColorTemplate.HoloBlue);
dataSet.Colors = colors;
//dataSet.setSelectionShift(0f);
PieData data = new PieData(xVals, dataSet);
data.SetValueFormatter(new PercentFormatter());
data.SetValueTextSize(11f);
data.SetValueTextColor(Color.White);
data.SetValueTypeface(tf);
mChart.Data = data;
// undo all highlights
mChart.HighlightValues(null);
mChart.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();
}
