XamForms.Controls.Calendar | Custom calendar control for Xamarin.Forms | Form library

I would like to add school lessons, exams, etc to specific dates dynamically to my calendar (for example: right click the date to add the lesson/exam or select the date and having an add event button). Tried many ways for days but nothing were successful. These are my C# codes:

I am using XamForms.Controls.Calendar for marking events. The special dates are marked in yellow color. If a date has more than 1 event, first I list all the events using a DisplayActionSheet. After that user can select an event from the DisplayActionSheet. Then the event detail page will show to the user. If the date has only one event it will directly load the event detail page when tapping on it.

My problem happening when the events titles have duplicate entries. So it will open all the event detail pages when selecting one item.

I have uploaded a sample project here for the reference. The special dates are marked in yellow color. If we click on Sep 18 or 25 it will open the event detail page. There are multiple events added for June 27. When clicking on the June 27 date, it will show the list of events using DisplayActionSheet. The first 3 events have the same title, if we click on any one from the first 3, it will open the 3 details page.

Code for opening Detail Page:

So when testing my app on an android emulator i had no problems, but when i tested my app on iOS, i get the starting blue screen of Xamarin then the app closes and i am taken to all the apps page on the emulator ( but it acts like it's still running since you still see the red square on visual studio that shows when the app is running).

So i don't get any error message, so i am not sure how i can find the problem since i'm new in mobile dev.

Any idea ? Thanks a lot !

App.xaml

Right now i have a calendar which is : https://github.com/lubiepomaranczki/XamForms.Controls.Calendar, if i click on the day and there's data for this day, it lists the data for this day like that :

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My problem is that i don't know how to go from ViewModel to code behind to tell him to switch the IsVisible value to true. I never faced this problem, usually we just send data from the UI to ViewModel.

Thanks for help.

If i click a date with no value, i want to make this stacklayout which is from CalendarPage.xaml visible:

I am using https://github.com/lubiepomaranczki/XamForms.Controls.Calendar currently on my app, I have an agenda view and a calendar view, when I click a date on the calendar I want to be able to display the agenda view of this day under the calendar.

Do you think it will be possible to do this with xamforms.controls.calendar? If yes how? I looked up the documentation and there's not much information.

Thanks.

i am using this calendar plugin for my xamarin forms app :

https://github.com/lubiepomaranczki/XamForms.Controls.Calendar

Is there any way i can change the language of this calendar ? ( I want to put it in french )

Thanks.

I am using XamForms.Controls.Calendar for showing events on the calendar. I have give color for special dates on the calendar using the following code:

I am using XamForms.Controls.Calendar package for showing calendar in my project. I am marking events on the calendar using the below code.