Example #1
0
        public override void ViewDidLoad()
        {
            base.ViewDidLoad ();

            TKChart chart = new TKChart (this.ExampleBounds);
            chart.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
            this.View.AddSubview (chart);

            string[] months = new string[]{ "Jan", "Feb", "Mar", "Apr", "May", "Jun" };
            int[] values = new int[]{ 95, 40, 55, 30, 76, 34 };
            List<TKChartDataPoint> list = new List<TKChartDataPoint> ();

            for (int i = 0; i < months.Length; i++) {
                list.Add (new TKChartDataPoint(new NSString(months[i]), new NSNumber(values[i])));
            }

            TKChartLineSeries series = new TKChartLineSeries (list.ToArray());
            series.Style.PointShape = new TKPredefinedShape (TKShapeType.Circle, new SizeF (10, 10));
            chart.AddSeries (series);

            NSMutableParagraphStyle paragraphStyle = (NSMutableParagraphStyle)new NSParagraphStyle ().MutableCopy();
            paragraphStyle.Alignment = UITextAlignment.Center;
            NSMutableDictionary attributes = new NSMutableDictionary ();
            attributes.Add (UIStringAttributeKey.ForegroundColor, UIColor.White);
            attributes.Add (UIStringAttributeKey.ParagraphStyle, paragraphStyle);
            NSMutableAttributedString attributedText = new NSMutableAttributedString ("Important milestone:\n $55000", attributes);

            attributedText.AddAttribute (UIStringAttributeKey.ForegroundColor, UIColor.Yellow, new NSRange (22, 6));

            TKChartBalloonAnnotation balloon = new TKChartBalloonAnnotation (new NSString("Mar"), new NSNumber(55), series);
            balloon.AttributedText = attributedText;
            balloon.Style.DistanceFromPoint = 20;
            balloon.Style.ArrowSize = new Size (10, 10);
            chart.AddAnnotation (balloon);

            balloon = new TKChartBalloonAnnotation ("The lowest value:\n $30000", new NSString("Apr"), new NSNumber(30), series);
            balloon.Style.VerticalAlign = TKChartBalloonVerticalAlignment.Bottom;
            chart.AddAnnotation (balloon);
        }
Example #2
0
		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();

			this.pieChart = new TKChart(this.View.Bounds);
			this.pieChart.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
			this.pieChart.AllowAnimations = true;
			this.View.AddSubview(this.pieChart);

			List<TKChartDataPoint> array = new List<TKChartDataPoint>();
			array.Add(new TKChartDataPoint(new NSNumber(25.0), null, "Auto &\nTransport"));
			array.Add(new TKChartDataPoint(new NSNumber(25.0), null, "Food &\nDining"));
			array.Add(new TKChartDataPoint(new NSNumber(25.0), null, "Fees &\nCharges"));
			array.Add(new TKChartDataPoint(new NSNumber(12.5), null, "Business\nServices"));
			array.Add(new TKChartDataPoint(new NSNumber(12.5), null, "Personal\nCare"));

			var series = new TKChartPieSeries(array.ToArray());
			series.SelectionMode = TKChartSeriesSelectionMode.DataPoint;
			series.ExpandRadius = (nfloat)1.04;
			series.RotationAngle = (nfloat)(-(Math.PI/2.0f + Math.PI/4.0f));
			series.RadiusInset = 50;
			series.LabelDisplayMode = TKChartPieSeriesLabelDisplayMode.Inside;
			series.Style.PointLabelStyle.TextHidden = false;
			series.Style.PointLabelStyle.StringFormat = "%.0f%%";
			series.Style.PointLabelStyle.TextColor = UIColor.White;
			pieChart.AddSeries(series);

			foreach (TKChartDataPoint pt in series.Items) {
				var annotation = new TKChartBalloonAnnotation(pt.DataName, pt, series);
				annotation.Style.Fill = null;
				annotation.Style.Stroke = null;
				annotation.Style.DistanceFromPoint = 0;
				annotation.Style.TextColor = UIColor.Gray;
				pieChart.AddAnnotation(annotation);
			}
		}