SfChart crashes with ObjectDisposedException

[Michael Reim]

If I use a binding for a HorizontalLineAnnotation SfChart gives a ObjectDisposedException if this binding is updated.
Please see my code below. I get the exception, if I press the button.

(CarouselView is from CarouselView.FormsPlugin nuget package)

XAML:


             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
                xmlns:carouselView="clr-namespace:CarouselView.FormsPlugin.Abstractions;assembly=CarouselView.FormsPlugin.Abstractions"
                xmlns:chart="clr-namespace:Syncfusion.SfChart.XForms;assembly=Syncfusion.SfChart.XForms"
             x:Class="SfChartProblem.MainPage">
   
        ShowIndicators="True"
        ShowArrows="False"
        IndicatorsShape="Circle"
        VerticalOptions="FillAndExpand"
        HorizontalOptions="FillAndExpand">
       
           
               
                >
                   
                       
                            Minimum="0.5"
                            Maximum="10.5"
                            >
                       
                   

                   
                       
                            Minimum="-10"
                            Maximum="10">
                       
                   

                   
                   
                       
                   
               

               

               
                    Page 3
                   
               
           
       

   


Code behind:

using System;
using Xamarin.Forms;

namespace SfChartProblem
{
    public partial class MainPage : ContentPage
    {
        private double _meanValue;
        public double MeanValue
        {
            get { return _meanValue; }
            set
            {
                _meanValue = value;
                OnPropertyChanged();
            }
        }

        public MainPage()
        {
            InitializeComponent();
            MeanValue = 1.5;
            BindingContext = this;
        }

        private void OnButtonClicked(object sender, EventArgs e)
        {
            MeanValue += 1;
        }
    }
}

[Michael Reim]

Sorry can't post the code, so please see attachment.

Attachment: MainPage_9ea09fa.zip

[Muneesh Kumar G]

Hi Michael, 

  

Thanks for using Syncfusion products.  

  

We have analyzed your query and we would like to inform you that changing the property of the view in another tab page is trying to access the disposed object in SfChart. However, we have resolved this issue by setting the null value to Chart property of annotation in custom renderer of Android. Please refer the code from following sample. 

 

Sample : http://www.syncfusion.com/downloads/support/forum/137207/ze/Chart_Xamarin-2050844756 

 

Note: We will fix this issue in source level and include it in our 2017 Volume 2 release. 

 

Please let us know if you have any queries.  

  

Thanks, 

Muneesh Kumar G. 

  

 

[Michael Reim]

Hello Muneesh,

thank you for the workaround.
It works like a charm.

Regards,
Michael

[Divya Venkatesan]

Hi Michael,

Thanks for the update. We are glad to know that the given solution works.

Please let us know if you need any further assistance.

Regards,
Divya Venkatesan