public override Android.Content.Intent Execute(Android.Content.Context context)
{
CategorySeries category = new CategorySeries("Weight indic");
category.Add("Current", 75);
category.Add("Minimum", 65);
category.Add("Maximum", 90);
DialRenderer renderer = new DialRenderer();
renderer.ChartTitleTextSize = 20;
renderer.LabelsTextSize = 15;
renderer.LegendTextSize = 15;
renderer.SetMargins(new int[] { 20, 30, 15, 0 });
SimpleSeriesRenderer r = new SimpleSeriesRenderer();
r.Color = Color.Blue;
renderer.AddSeriesRenderer(r);
r = new SimpleSeriesRenderer();
r.Color = Color.Rgb(0, 150, 0);
renderer.AddSeriesRenderer(r);
r = new SimpleSeriesRenderer();
r.Color = Color.Green;
renderer.AddSeriesRenderer(r);
renderer.LabelsTextSize = 10;
renderer.LabelsColor = Color.White;
renderer.ShowLabels = true;
renderer.SetVisualTypes(new DialRenderer.Type[] { DialRenderer.Type.Arrow, DialRenderer.Type.Needle, DialRenderer.Type.Needle });
renderer.MinValue = 0;
renderer.MaxValue = 150;
return ChartFactory.GetDialChartIntent(context, category, renderer, "Weight indicator");
}
protected CategorySeries BuildCategoryDataset(String title, double[] values)
{
CategorySeries series = new CategorySeries(title);
int k = 0;
foreach (double item in values)
{
series.Add("Project " + ++k, item);
}
return series;
}
protected override void OnRestoreInstanceState(Android.OS.Bundle savedInstanceState)
{
base.OnRestoreInstanceState(savedInstanceState);
mSeries = (CategorySeries)savedInstanceState.GetSerializable("current_series");
mRenderer = (DefaultRenderer)savedInstanceState.GetSerializable("current_renderer");
}
protected XYMultipleSeriesDataset BuildBarDataset(String[] title, IList<double[]> values)
{
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
int length = title.Length;
for (int i = 0; i < length; i++)
{
CategorySeries series = new CategorySeries(title[i]);
double[] v = values[i];
int seriesLength = v.Length;
for (int k = 0; k < seriesLength; k++)
{
series.Add(v[k]);
}
dataset.AddSeries(series.ToXYSeries());
}
return dataset;
}
private XYMultipleSeriesDataset GetBarDemoDataset()
{
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
const int nr = 10;
Random r = new Random();
for (int i = 0; i < SERIES_NR; i++)
{
CategorySeries series = new CategorySeries("Demo series " + (i + 1));
for (int k = 0; k < nr; k++)
{
series.Add(100 + r.Next() % 100);
}
dataset.AddSeries(series.ToXYSeries());
}
return dataset;
}