private void CreateMainPriceChart()
{
// Create an XAxis and YAxis for our chart
var xAxis = new CategoryDateAxis(Activity)
{
BarTimeFrame = TimeSpan.FromMinutes(5).TotalSeconds,
DrawMajorGridLines = false,
GrowBy = new DoubleRange(0, 0.1)
};
var yAxis = new NumericAxis(Activity)
{
AutoRange = AutoRange.Always
};
// Create RenderableSeries to render the data
var ohlcSeries = new FastOhlcRenderableSeries
{
DataSeries = _ohlcDataSeries,
StrokeUpStyle = new SolidPenStyle(StrokeUpColor, StrokeThickness.ToDip(Activity)),
StrokeDownStyle = new SolidPenStyle(StrokeDownColor, StrokeThickness.ToDip(Activity)),
};
var movingAverage50Series = new FastLineRenderableSeries {
DataSeries = _xyDataSeries, StrokeStyle = new SolidPenStyle(0xFFFF6600, 1.0f)
};
// Create axis markers annotations to show the last values on real-time chart
_smaAxisMarker = new AxisMarkerAnnotation(Activity)
{
Y1Value = 0d
};
_smaAxisMarker.SetBackgroundColor(SmaSeriesColor.ToColor());
_ohlcAxisMarker = new AxisMarkerAnnotation(Activity)
{
Y1Value = 0d
};
_ohlcAxisMarker.SetBackgroundColor(StrokeUpColor.ToColor());
// Populate the chart with Axis, RenderableSeries. The chart automatically updates when any property changes
using (MainSurface.SuspendUpdates())
{
MainSurface.XAxes.Add(xAxis);
MainSurface.YAxes.Add(yAxis);
MainSurface.RenderableSeries.Add(ohlcSeries);
MainSurface.RenderableSeries.Add(movingAverage50Series);
MainSurface.Annotations.Add(_ohlcAxisMarker);
MainSurface.Annotations.Add(_smaAxisMarker);
// Populate some pinch and touch interactions. Pinch to zoom, drag to pan and double-tap to zoom extents
MainSurface.ChartModifiers = new ChartModifierCollection
{
new XAxisDragModifier(),
new ZoomPanModifier {
Direction = Direction2D.XDirection
}.WithReceiveHandledEvents(true),
new ZoomExtentsModifier(),
new LegendModifier(Activity).WithOrientation(Orientation.Horizontal).WithPosition(GravityFlags.CenterHorizontal | GravityFlags.Bottom, 20).WithReceiveHandledEvents(true),
};
}
}
protected override void InitExample()
{
var xAxis = new NumericAxis(Activity)
{
VisibleRange = new DoubleRange(150d, 165d)
};
var yAxis = new NumericAxis(Activity)
{
LabelProvider = new ThousandsLabelProvider(),
GrowBy = new DoubleRange(0, 0.1),
AutoRange = AutoRange.Always
};
var dataManager = DataManager.Instance;
var priceBars = dataManager.GetPriceDataIndu();
var mountainDataSeries = new XyDataSeries <double, double>()
{
SeriesName = "Mountain Series"
};
var lineDataSeries = new XyDataSeries <double, double>()
{
SeriesName = "Line Series"
};
var columnDataSeries = new XyDataSeries <double, double>()
{
SeriesName = "Column Series"
};
var scatterDataSeries = new XyDataSeries <double, double>()
{
SeriesName = "Scatter Series"
};
var candlestickDataSeries = new OhlcDataSeries <double, double>()
{
SeriesName = "Candlestick Series"
};
var ohlcDataSeries = new OhlcDataSeries <double, double>()
{
SeriesName = "OHLC Series"
};
var xValues = Enumerable.Range(0, priceBars.Count).Select(x => (double)x).ToArray();
mountainDataSeries.Append(xValues, priceBars.LowData.Select(x => x - 2000d));
lineDataSeries.Append(xValues, priceBars.CloseData.Select(x => x + 1000d));
ohlcDataSeries.Append(xValues, priceBars.OpenData, priceBars.HighData, priceBars.LowData, priceBars.CloseData);
candlestickDataSeries.Append(xValues, priceBars.OpenData.Select(x => x - 1000d), priceBars.HighData.Select(x => x - 1000d), priceBars.LowData.Select(x => x - 1000d), priceBars.CloseData.Select(x => x - 1000d));
columnDataSeries.Append(xValues, priceBars.CloseData.Select(x => x - 3000d));
scatterDataSeries.Append(xValues, priceBars.OpenData.Select(x => x - 2500d));
var annotation = new BoxAnnotation(Activity)
{
X1Value = 152d,
Y1Value = 0d,
X2Value = 158d,
Y2Value = 1d,
Background = Activity.GetDrawableCompat(Resource.Drawable.example_box_annotation_background_1),
IsEditable = true,
CoordinateMode = AnnotationCoordinateMode.RelativeY
};
annotation.SetOnAnnotationDragListener(new AnnotationDragListener());
var mountainSeries = new FastMountainRenderableSeries
{
DataSeries = mountainDataSeries,
AreaStyle = new SolidBrushStyle(0x9787CEEB),
StrokeStyle = new SolidPenStyle(Color.Magenta),
PaletteProvider = new XyCustomPaletteProvider(Color.Red, annotation)
};
var lineSeries = new FastLineRenderableSeries
{
DataSeries = lineDataSeries,
StrokeStyle = new SolidPenStyle(Color.Blue),
PointMarker = new EllipsePointMarker()
{
FillStyle = new SolidBrushStyle(Color.Red),
StrokeStyle = new SolidPenStyle(Color.Orange, 2f.ToDip(Activity)),
Width = (int)10f.ToDip(Activity),
Height = (int)10f.ToDip(Activity)
},
PaletteProvider = new XyCustomPaletteProvider(Color.Red, annotation)
};
var ohlcSeries = new FastOhlcRenderableSeries()
{
DataSeries = ohlcDataSeries,
PaletteProvider = new OhlcCustomPaletteProvider(Color.CornflowerBlue, annotation)
};
var candlestickSeries = new FastCandlestickRenderableSeries
{
DataSeries = candlestickDataSeries,
PaletteProvider = new OhlcCustomPaletteProvider(Color.Green, annotation)
};
var columnSeries = new FastColumnRenderableSeries
{
DataSeries = columnDataSeries,
StrokeStyle = new SolidPenStyle(Color.Blue),
FillBrushStyle = new SolidBrushStyle(Color.Blue),
ZeroLineY = 6000,
DataPointWidth = 0.8,
PaletteProvider = new XyCustomPaletteProvider(Color.Purple, annotation)
};
var scatterSeries = new XyScatterRenderableSeries()
{
DataSeries = scatterDataSeries,
PointMarker = new SquarePointMarker()
{
FillStyle = new SolidBrushStyle(Color.Red),
StrokeStyle = new SolidPenStyle(Color.Orange, 2f.ToDip(Activity)),
Width = (int)7f.ToDip(Activity),
Height = (int)7f.ToDip(Activity)
},
PaletteProvider = new XyCustomPaletteProvider(Color.LimeGreen, annotation)
};
using (Surface.SuspendUpdates())
{
Surface.XAxes.Add(xAxis);
Surface.YAxes.Add(yAxis);
Surface.RenderableSeries.Add(mountainSeries);
Surface.RenderableSeries.Add(lineSeries);
Surface.RenderableSeries.Add(ohlcSeries);
Surface.RenderableSeries.Add(candlestickSeries);
Surface.RenderableSeries.Add(columnSeries);
Surface.RenderableSeries.Add(scatterSeries);
Surface.ChartModifiers = new ChartModifierCollection
{
new ZoomPanModifier(),
new PinchZoomModifier(),
new ZoomExtentsModifier(),
};
Surface.Annotations.Add(annotation);
}
}