public static List <StockDataPoint> LoadStockPoints(int maxItems)
{
List <StockDataPoint> stockPoints = new List <StockDataPoint> ();
string filePath = NSBundle.MainBundle.PathForResource("AppleStockPrices", "json");
NSData json = NSData.FromFile(filePath);
NSError error = new NSError();
NSArray data = (NSArray)NSJsonSerialization.Deserialize(json, NSJsonReadingOptions.AllowFragments, out error);
NSDateFormatter formatter = new NSDateFormatter();
formatter.DateFormat = "dd-MM-yyyy";
for (int i = 0; i < (int)data.Count; i++)
{
if (i == maxItems)
{
break;
}
NSDictionary jsonPoint = data.GetItem <NSDictionary> ((nuint)i);
StockDataPoint dataPoint = new StockDataPoint();
dataPoint.DataXValue = formatter.Parse((NSString)jsonPoint ["date"]);
dataPoint.Open = (NSNumber)jsonPoint ["open"];
dataPoint.Low = (NSNumber)jsonPoint ["low"];
dataPoint.Close = (NSNumber)jsonPoint ["close"];
dataPoint.Volume = (NSNumber)jsonPoint ["volume"];
dataPoint.High = (NSNumber)jsonPoint ["high"];
stockPoints.Add(dataPoint);
}
return(stockPoints);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
TKChart chart = new TKChart(this.ExampleBounds);
chart.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
this.View.AddSubview(chart);
var xAxis = new TKChartDateTimeCategoryAxis();
var formatter = new NSDateFormatter();
formatter.DateFormat = "d MMM";
xAxis.LabelFormatter = formatter;
xAxis.Style.MajorTickStyle.TicksOffset = -3;
xAxis.Style.MajorTickStyle.TicksHidden = false;
xAxis.Style.MajorTickStyle.TicksWidth = 1.5f;
xAxis.Style.MajorTickStyle.TicksFill = new TKSolidFill(new UIColor(203 / 255.0f, 203 / 255.0f, 203 / 255.0f, 1f));
xAxis.Style.MajorTickStyle.MaxTickClippingMode = TKChartAxisClippingMode.Visible;
xAxis.PlotMode = TKChartAxisPlotMode.BetweenTicks;
var yAxis = new TKChartNumericAxis(new NSNumber(320), new NSNumber(360));
yAxis.MajorTickInterval = 20;
var series = new TKChartCandlestickSeries(StockDataPoint.LoadStockPoints(10).ToArray());
series.GapLength = 0.6f;
series.XAxis = xAxis;
chart.YAxis = yAxis;
chart.AddSeries(series);
}
public static List<StockDataPoint> LoadStockPoints(int maxItems)
{
List<StockDataPoint> stockPoints = new List<StockDataPoint> ();
string filePath = NSBundle.MainBundle.PathForResource ("AppleStockPrices", "json");
NSData json = NSData.FromFile (filePath);
NSError error = new NSError ();
NSArray data = (NSArray)NSJsonSerialization.Deserialize (json, NSJsonReadingOptions.AllowFragments, out error);
NSDateFormatter formatter = new NSDateFormatter ();
formatter.DateFormat = "dd-MM-yyyy";
for (int i = 0; i < (int)data.Count; i++) {
if (i == maxItems) {
break;
}
NSDictionary jsonPoint = data.GetItem<NSDictionary> ((nuint)i);
StockDataPoint dataPoint = new StockDataPoint ();
dataPoint.DataXValue = formatter.Parse ((NSString)jsonPoint ["date"]);
dataPoint.Open = (NSNumber)jsonPoint ["open"];
dataPoint.Low = (NSNumber)jsonPoint ["low"];
dataPoint.Close = (NSNumber)jsonPoint ["close"];
dataPoint.Volume = (NSNumber)jsonPoint ["volume"];
dataPoint.High = (NSNumber)jsonPoint ["high"];
stockPoints.Add (dataPoint);
}
return stockPoints;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
CGRect exampleBounds = this.ExampleBounds;
CGRect overlayChartBounds = new CGRect(exampleBounds.X, exampleBounds.Y, exampleBounds.Width, exampleBounds.Height / 1.5f);
CGRect indicatorsChartBounds = new CGRect(exampleBounds.X, overlayChartBounds.Height + 15, exampleBounds.Width, exampleBounds.Height / 3.0f);
overlayChart = new TKChart(overlayChartBounds);
overlayChart.GridStyle.VerticalLinesHidden = false;
overlayChart.AutoresizingMask = ~UIViewAutoresizing.None;
this.View.AddSubview(overlayChart);
indicatorsChart = new TKChart(indicatorsChartBounds);
indicatorsChart.AutoresizingMask = ~UIViewAutoresizing.None;
this.View.AddSubview(indicatorsChart);
data = StockDataPoint.LoadStockPoints(-1);
settings = new IndicatorsTableView(this);
SelectedIndicator = 0;
SelectedTrendLine = 0;
series = new TKChartCandlestickSeries(data.ToArray());
overlayChart.Delegate = new ChartDelegate(indicatorsChart);
this.loadCharts();
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
chart = new TKChart(this.ExampleBounds);
chart.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
chart.GridStyle.VerticalLinesHidden = false;
chart.GridStyle.HorizontalLinesHidden = false;
this.View.AddSubview(chart);
points = StockDataPoint.LoadStockPoints(42);
this.reloadChart(this, EventArgs.Empty);
}
public override void ViewDidLoad()
{
this.AddOption("Candlestick", ReloadChart);
this.AddOption("Ohlc", ReloadChart);
base.ViewDidLoad();
chart = new TKChart(this.View.Bounds);
chart.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
chart.GridStyle.VerticalLinesHidden = false;
chart.GridStyle.HorizontalLinesHidden = false;
this.View.AddSubview(chart);
points = StockDataPoint.LoadStockPoints(42);
this.ReloadChart();
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
TKChart chart = new TKChart(this.View.Bounds);
chart.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
this.View.AddSubview(chart);
// >> chart-axis-datetime-cat-cs
var xAxis = new TKChartDateTimeCategoryAxis();
var formatter = new NSDateFormatter();
formatter.DateFormat = "d MMM";
xAxis.LabelFormatter = formatter;
xAxis.DateComponent = NSCalendarUnit.Hour | NSCalendarUnit.Minute | NSCalendarUnit.Second;
// << chart-axis-datetime-cat-cs
// >> chart-tick-style-set-cs
xAxis.Style.MajorTickStyle.TicksOffset = -3;
xAxis.Style.MajorTickStyle.TicksHidden = false;
xAxis.Style.MajorTickStyle.TicksWidth = 1.5f;
xAxis.Style.MajorTickStyle.TicksFill = new TKSolidFill(new UIColor(203 / 255.0f, 203 / 255.0f, 203 / 255.0f, 1f));
xAxis.Style.MajorTickStyle.MaxTickClippingMode = TKChartAxisClippingMode.Visible;
// << chart-tick-style-set-cs
// >> chart-category-plot-cs
xAxis.PlotMode = TKChartAxisPlotMode.BetweenTicks;
// << chart-category-plot-cs
var yAxis = new TKChartNumericAxis(new NSNumber(320), new NSNumber(360));
yAxis.MajorTickInterval = 20;
var series = new TKChartCandlestickSeries(StockDataPoint.LoadStockPoints(10).ToArray());
// >> chart-gap-cs
series.GapLength = 0.6f;
// << chart-gap-cs
series.XAxis = xAxis;
chart.YAxis = yAxis;
chart.AddSeries(series);
}
public override void ViewDidLoad()
{
this.AddOption("Simple moving average", "Trendlines", () => AddTrendline(new TKChartSimpleMovingAverageIndicator(this.series)));
this.AddOption("Exponential moving average", "Trendlines", () => AddTrendline(new TKChartExponentialMovingAverageIndicator(this.series)));
this.AddOption("Weighted moving average", "Trendlines", () => AddTrendline(new TKChartWeightedMovingAverageIndicator(this.series)));
this.AddOption("Triangular moving average", "Trendlines", () => AddTrendline(new TKChartTriangularMovingAverageIndicator(this.series)));
this.AddOption("Bollinger bands indicator", "Trendlines", () => AddTrendline(new TKChartBollingerBandIndicator(this.series)));
this.AddOption("Moving average envelopes", "Trendlines", () => AddTrendline(new TKChartMovingAverageEnvelopesIndicator(this.series)));
this.AddOption("Typical price", "Trendlines", () => AddTrendline(new TKChartTypicalPriceIndicator(this.series)));
this.AddOption("Weighted close", "Trendlines", () => AddTrendline(new TKChartWeightedCloseIndicator(this.series)));
this.AddOption("Median price", "Trendlines", () => AddTrendline(new TKChartMedianPriceIndicator(this.series)));
this.AddOption("Modified moving average", "Trendlines", () => AddTrendline(new TKChartModifiedMovingAverageIndicator(this.series)));
this.AddOption("Adaptive moving average", "Trendlines", () => AddTrendline(new TKChartAdaptiveMovingAverageIndicator(this.series)));
this.AddOption("Percentage volume oscillator", "Indicators", () => AddIndicator(new TKChartPercentageVolumeOscillator(this.series)));
this.AddOption("Percentage price oscillator", "Indicators", () => AddIndicator(new TKChartPercentagePriceOscillator(this.series)));
this.AddOption("Absolute volume oscillator", "Indicators", () => AddIndicator(new TKChartAbsoluteVolumeOscillator(this.series)));
this.AddOption("MACD indicator", "Indicators", () => AddIndicator(new TKChartMACDIndicator(this.series)));
this.AddOption("RSI", "Indicators", () => AddIndicator(new TKChartRelativeStrengthIndex(this.series)));
this.AddOption("Accumulation distribution line", "Indicators", () => AddIndicator(new TKChartAccumulationDistributionLine(this.series)));
this.AddOption("True range", "Indicators", () => AddIndicator(new TKChartTrueRangeIndicator(this.series)));
this.AddOption("Average true range", "Indicators", () => AddIndicator(new TKChartAverageTrueRangeIndicator(this.series)));
this.AddOption("Commodity channel index", "Indicators", () => AddIndicator(new TKChartCommodityChannelIndex(this.series)));
this.AddOption("Fast stochastic indicator", "Indicators", () => AddIndicator(new TKChartFastStochasticIndicator(this.series)));
this.AddOption("Slow stochastic indicator", "Indicators", () => AddIndicator(new TKChartSlowStochasticIndicator(this.series)));
this.AddOption("Rate of change", "Indicators", () => AddIndicator(new TKChartRateOfChangeIndicator(this.series)));
this.AddOption("TRIX", "Indicators", () => AddIndicator(new TKChartTRIXIndicator(this.series)));
this.AddOption("Williams percent", "Indicators", () => AddIndicator(new TKChartWilliamsPercentIndicator(this.series)));
this.AddOption("Ease of movement", "Indicators", () => AddIndicator(new TKChartEaseOfMovementIndicator(this.series)));
this.AddOption("Detrended price oscillator", "Indicators", () => AddIndicator(new TKChartDetrendedPriceOscillator(this.series)));
this.AddOption("Force index", "Indicators", () => AddIndicator(new TKChartForceIndexIndicator(this.series)));
this.AddOption("Rapid adaptive variance", "Indicators", () => AddIndicator(new TKChartRapidAdaptiveVarianceIndicator(this.series)));
this.AddOption("Standard deviation", "Indicators", () => AddIndicator(new TKChartStandardDeviationIndicator(this.series)));
this.AddOption("Relative momentum index", "Indicators", () => AddIndicator(new TKChartRelativeMomentumIndex(this.series)));
this.AddOption("On balance volume", "Indicators", () => AddIndicator(new TKChartOnBalanceVolumeIndicator(this.series)));
this.AddOption("Price volume trend", "Indicators", () => AddIndicator(new TKChartPriceVolumeTrendIndicator(this.series)));
this.AddOption("Positive volume index", "Indicators", () => AddIndicator(new TKChartPositiveVolumeIndexIndicator(this.series)));
this.AddOption("Negative volume index", "Indicators", () => AddIndicator(new TKChartNegativeVolumeIndexIndicator(this.series)));
this.AddOption("Money flow index", "Indicators", () => AddIndicator(new TKChartMoneyFlowIndexIndicator(this.series)));
this.AddOption("Ultimate oscillator", "Indicators", () => AddIndicator(new TKChartUltimateOscillator(this.series)));
this.AddOption("Full stochastic indicator", "Indicators", () => AddIndicator(new TKChartFullStochasticIndicator(this.series)));
this.AddOption("Market facilitation index", "Indicators", () => AddIndicator(new TKChartMarketFacilitationIndex(this.series)));
this.AddOption("Chaikin oscillator", "Indicators", () => AddIndicator(new TKChartChaikinOscillator(this.series)));
base.ViewDidLoad();
CGRect exampleBounds = this.View.Bounds;
CGRect overlayChartBounds = new CGRect(exampleBounds.X, exampleBounds.Y, exampleBounds.Width, exampleBounds.Height / 1.5f);
nfloat indicatorsOffset = exampleBounds.Y + overlayChartBounds.Height + 15;
CGRect indicatorsChartBounds = new CGRect(exampleBounds.X, indicatorsOffset, exampleBounds.Width, exampleBounds.Height - indicatorsOffset);
overlayChart = new TKChart(overlayChartBounds);
overlayChart.GridStyle.VerticalLinesHidden = false;
overlayChart.AutoresizingMask = ~UIViewAutoresizing.None;
this.View.AddSubview(overlayChart);
indicatorsChart = new TKChart(indicatorsChartBounds);
indicatorsChart.AutoresizingMask = ~UIViewAutoresizing.None;
this.View.AddSubview(indicatorsChart);
data = StockDataPoint.LoadStockPoints(-1);
series = new TKChartCandlestickSeries(data.ToArray());
this.loadCharts();
}
