I have a example similar to SampleBrowser demo. I try this exception.
System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'Java.Util.GregorianCalendar'.
at Java.Interop.JniPeerMembers.AssertSelf (Java.Interop.IJavaPeerable self) [0x00029] in <a08520e2f4424bc6aab574299084b385>:0
at Java.Interop.JniPeerMembers+JniInstanceMethods.InvokeVirtualObjectMethod (System.String encodedMember, Java.Interop.IJavaPeerable self, Java.Interop.JniArgumentValue* parameters) [0x00000] in <a08520e2f4424bc6aab574299084b385>:0
at Java.Util.Calendar.Clone () [0x0000a] in <46c5c71eacdc488bb6b4b2ba91dd3b0e>:0
at Com.Syncfusion.Schedule.SfSchedule.AllowVisibleDatesChangedEvent (System.Collections.ObjectModel.ObservableCollection`1[T] newCalendarValues) [0x00029] in <349ebc0b8cff4853b6e3bb256ad45cf9>:0
at Com.Syncfusion.Schedule.SfSchedule.OnMeasure (System.Int32 widthMeasureSpec, System.Int32 heightMeasureSpec) [0x0014a] in <349ebc0b8cff4853b6e3bb256ad45cf9>:0
at Android.Views.View.n_OnMeasure_II (System.IntPtr jnienv, System.IntPtr native__this, System.Int32 widthMeasureSpec, System.Int32 heightMeasureSpec) [0x00009] in <46c5c71eacdc488bb6b4b2ba91dd3b0e>:0
at (wrapper dynamic-method) System.Object.73(intptr,intptr,int,int)