/// <summary>
/// Executes the chart demo.
/// </summary>
/// <param name="context"> the context </param>
/// <returns> the built intent </returns>
public override Intent Execute(Context context)
{
string[] titles = new string[] { "Crete", "Corfu", "Thassos", "Skiathos" };
IList <double[]> x = new List <double[]>();
for (int i = 0; i < titles.Length; i++)
{
x.Add(new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 });
}
IList <double[]> values = new List <double[]>();
values.Add(new double[] { 12.3, 12.5, 13.8, 16.8, 20.4, 24.4, 26.4, 26.1, 23.6, 20.3, 17.2, 13.9 });
values.Add(new double[] { 10, 10, 12, 15, 20, 24, 26, 26, 23, 18, 14, 11 });
values.Add(new double[] { 5, 5.3, 8, 12, 17, 22, 24.2, 24, 19, 15, 9, 6 });
values.Add(new double[] { 9, 10, 11, 15, 19, 23, 26, 25, 22, 18, 13, 10 });
int[] colors = new int[] { Color.Blue, Color.Green, Color.Cyan, Color.Yellow };
PointStyle[] styles = new PointStyle[] { PointStyle.Circle, PointStyle.Diamond, PointStyle.Triangle, PointStyle.Square };
XYMultipleSeriesRenderer renderer = BuildRenderer(colors, styles);
int length = renderer.SeriesRendererCount;
for (int i = 0; i < length; i++)
{
((XYSeriesRenderer)renderer.GetSeriesRendererAt(i)).FillPoints = true;
}
SetChartSettings(renderer, "Average temperature", "Month", "Temperature", 0.5, 12.5, -10, 40, Color.LightGray, Color.LightGray);
renderer.XLabels = 12;
renderer.YLabels = 10;
renderer.SetShowGrid(true);
renderer.XLabelsAlign = Android.Graphics.Paint.Align.Right;
renderer.SetYLabelsAlign(Android.Graphics.Paint.Align.Right);
renderer.ZoomButtonsVisible = true;
renderer.SetPanLimits(new double[] { -10, 20, -10, 40 });
renderer.SetZoomLimits(new double[] { -10, 20, -10, 40 });
XYMultipleSeriesDataset dataset = BuildDataset(titles, x, values);
XYSeries series = dataset.GetSeriesAt(0);
series.AddAnnotation("Vacation", 6, 30);
Intent intent = ChartFactory.GetLineChartIntent(context, dataset, renderer, "Average temperature");
return(intent);
}
