protected override void OnRestoreInstanceState(Android.OS.Bundle savedInstanceState)
{
base.OnRestoreInstanceState(savedInstanceState);
mDataset = savedInstanceState.GetSerializable("dataset") as XYMultipleSeriesDataset;
mRenderer = savedInstanceState.GetSerializable("renderer") as XYMultipleSeriesRenderer;
mCurrentSeries = savedInstanceState.GetSerializable("current_series") as XYSeries;
mCurrentRenderer = savedInstanceState.GetSerializable("current_renderer") as XYSeriesRenderer;
}
public void AddXYSeries(XYMultipleSeriesDataset dataset, String[] titles, IList<double[]> xValues, IList<double[]> yValues, int scale)
{
int length = titles.Length;
for (int i = 0; i < length; i++)
{
XYSeries series = new XYSeries(titles[i], scale);
double[] xV = xValues[i];
double[] yV = yValues[i];
int seriesLength = xV.Length;
for (int j = 0; j < seriesLength; j++)
{
series.Add(xV[j], yV[j]);
}
dataset.AddSeries(series);
}
}
private XYMultipleSeriesDataset GetDemoDataset()
{
XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
const int nr = 10;
Random r = new Random();
for (int i = 0; i < SERIES_NR; i++)
{
XYSeries series = new XYSeries("Demo series " + (i + 1));
for (int k = 0; k < nr; k++)
{
series.Add(k, 20 + r.Next() % 100);
}
dataset.AddSeries(series);
}
return dataset;
}
public override Android.Content.Intent Execute(Android.Content.Context context)
{
String[] titles = new String[] { "Crete Air Temperature", "Skiathos Air Temperature" };
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[] { 9, 10, 11, 15, 19, 23, 26, 25, 22, 18, 13, 10 });
int[] colors = new int[] { Color.Green, Color.Rgb(200, 150, 0) };
PointStyle[] styles = new PointStyle[] { PointStyle.Circle, PointStyle.Diamond };
XYMultipleSeriesRenderer renderer = BuildRenderer(colors, styles);
renderer.PointSize = 5.5f;
int length = renderer.SeriesRendererCount;
for (int i = 0; i < length; i++)
{
XYSeriesRenderer r = (XYSeriesRenderer)renderer.GetSeriesRendererAt(i);
r.LineWidth = 5;
r.FillPoints = true;
}
SetChartSettings(renderer, "Weather data", "Month", "Temperature", 0.5, 12.5, 0, 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 });
XYValueSeries sunSeries = new XYValueSeries("Sunshine hours");
sunSeries.Add(1f, 35, 4.3);
sunSeries.Add(2f, 35, 4.9);
sunSeries.Add(3f, 35, 5.9);
sunSeries.Add(4f, 35, 8.8);
sunSeries.Add(5f, 35, 10.8);
sunSeries.Add(6f, 35, 11.9);
sunSeries.Add(7f, 35, 13.6);
sunSeries.Add(8f, 35, 12.8);
sunSeries.Add(9f, 35, 11.4);
sunSeries.Add(10f, 35, 9.5);
sunSeries.Add(11f, 35, 7.5);
sunSeries.Add(12f, 35, 5.5);
XYSeriesRenderer lightRenderer = new XYSeriesRenderer();
lightRenderer.Color = Color.Yellow;
XYSeries waterSeries = new XYSeries("Water Temperature");
waterSeries.Add(1, 16);
waterSeries.Add(2, 15);
waterSeries.Add(3, 16);
waterSeries.Add(4, 17);
waterSeries.Add(5, 20);
waterSeries.Add(6, 23);
waterSeries.Add(7, 25);
waterSeries.Add(8, 25.5);
waterSeries.Add(9, 26.5);
waterSeries.Add(10, 24);
waterSeries.Add(11, 22);
waterSeries.Add(12, 18);
renderer.BarSpacing = 0.5;
XYSeriesRenderer waterRenderer = new XYSeriesRenderer();
waterRenderer.Color = Color.Argb(250, 0, 210, 250);
XYMultipleSeriesDataset dataset = BuildDataset(titles, x, values);
dataset.AddSeries(0, sunSeries);
dataset.AddSeries(0, waterSeries);
renderer.AddSeriesRenderer(0, lightRenderer);
renderer.AddSeriesRenderer(0, waterRenderer);
waterRenderer.DisplayChartValues = true;
waterRenderer.ChartValuesTextSize = 10;
String[] types = new String[] { "Bar", BubbleChart.Type, LineChart.Type, CubicLineChart.Type };
Intent intent = ChartFactory.GetCombinedXYChartIntent(context, dataset, renderer, types, "Weather parameters");
return intent;
}
protected override void OnCreate(Android.OS.Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.xy_chart);
mX = FindViewById<EditText>(Resource.Id.xValue);
mY = FindViewById<EditText>(Resource.Id.yValue);
mAdd = FindViewById<Button>(Resource.Id.add);
mRenderer.ApplyBackgroundColor = true;
mRenderer.BackgroundColor = Color.Argb(100, 50, 50, 50);
mRenderer.AxisTitleTextSize = 16;
mRenderer.ChartTitleTextSize = 20;
mRenderer.LabelsTextSize = 15;
mRenderer.LegendTextSize = 15;
mRenderer.SetMargins(new int[] { 20, 30, 15, 0 });
mRenderer.ZoomButtonsVisible = true;
mRenderer.PointSize = 5;
mNewSeries = FindViewById<Button>(Resource.Id.new_series);
mNewSeries.Click += (e, s) =>
{
String seriesTitle = "Series " + mDataset.SeriesCount + 1;
XYSeries series = new XYSeries(seriesTitle);
mDataset.AddSeries(series);
mCurrentSeries = series;
XYSeriesRenderer renderer = new XYSeriesRenderer();
mRenderer.AddSeriesRenderer(renderer);
renderer.PointStyle = PointStyle.Circle;
renderer.FillPoints = true;
renderer.DisplayChartValues = true;
renderer.DisplayChartValuesDistance = 10;
mCurrentRenderer = renderer;
SetSeriesWidgetsEnabled(true);
mChartView.Repaint();
};
mAdd.Click += (e, s) =>
{
double x = 0;
double y = 0;
try
{
x = Double.Parse(mX.Text);
}
catch (Exception)
{
mX.RequestFocus();
return;
}
try
{
y = double.Parse(mY.Text);
}
catch (Exception)
{
mY.RequestFocus();
return;
}
mCurrentSeries.Add(x, y);
mX.Text = "";
mY.Text = "";
mX.RequestFocus();
mChartView.Repaint();
};
}
