/// <summary>
/// Executes the chart demo.
/// </summary>
/// <param name="context"> the context </param>
/// <returns> the built intent </returns>
public override Intent execute(Context context)
{
double[] minValues = new double[] {-24, -19, -10, -1, 7, 12, 15, 14, 9, 1, -11, -16};
double[] maxValues = new double[] {7, 12, 24, 28, 33, 35, 37, 36, 28, 19, 11, 4};
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
RangeCategorySeries series = new RangeCategorySeries("Temperature");
int length = minValues.Length;
for (int k = 0; k < length; k++)
{
series.add(minValues[k], maxValues[k]);
}
dataset.addSeries(series.toXYSeries());
int[] colors = new int[] {Color.CYAN};
XYMultipleSeriesRenderer renderer = buildBarRenderer(colors);
setChartSettings(renderer, "Monthly temperature range", "Month", "Celsius degrees", 0.5, 12.5, -30, 45, Color.GRAY, Color.LTGRAY);
renderer.BarSpacing = 0.5;
renderer.XLabels = 0;
renderer.YLabels = 10;
renderer.addXTextLabel(1, "Jan");
renderer.addXTextLabel(3, "Mar");
renderer.addXTextLabel(5, "May");
renderer.addXTextLabel(7, "Jul");
renderer.addXTextLabel(10, "Oct");
renderer.addXTextLabel(12, "Dec");
renderer.addYTextLabel(-25, "Very cold");
renderer.addYTextLabel(-10, "Cold");
renderer.addYTextLabel(5, "OK");
renderer.addYTextLabel(20, "Nice");
renderer.Margins = new int[] {30, 70, 10, 0};
renderer.YLabelsAlign = Align.RIGHT;
SimpleSeriesRenderer r = renderer.getSeriesRendererAt(0);
r.DisplayChartValues = true;
r.ChartValuesTextSize = 12;
r.ChartValuesSpacing = 3;
r.GradientEnabled = true;
r.setGradientStart(-20, Color.BLUE);
r.setGradientStop(20, Color.GREEN);
return ChartFactory.getRangeBarChartIntent(context, dataset, renderer, Type.DEFAULT, "Temperature range");
}