Multi-window on MAUI for Mac

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Carlos
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Carlos asked on 03 Jul 2022, 06:16 AM

Hello,

Im Implementing Telerik trail version of MAUI for MAC using Visual Studio 17.3 preview and when I try to use the feature of multi screen in MAUI for MAC I get the following error using Telerik: 

Terminating app due to uncaught exception 'NSObjectNotAvailableException', reason: 'UIAlertView is deprecated and unavailable for UIScene based applications, please use UIAlertController!'

I do the configuration that Microsoft indicates to use multi windows in MAUI MAC by adding the class named SceneDelegate to the platform (MacCatalyst) and edit the plist file of the platform(MacCatalyst), after that and using Telerik the application crashes before it can show anything. So if I reset the info.plist file it works.

Also I did another test in a new project and when I use the multi window the Telerik elements disappear.

Thank you in advance.

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Didi
Telerik team
answered on 05 Jul 2022, 01:59 PM

Hi Carlos,

We have tested the multi-windows scenario and cannot reproduce issues with Telerik controls. For multi-window setup we used the instructions provided here: https://docs.microsoft.com/en-us/dotnet/maui/fundamentals/windows 

Could you please send us a sample project where the exception occurs?

Additional information: 
- what is the exact version of macOS you have?
- which Telerik control do you use?

If you do not want to send the project to the forum, you can attach it to the support ticket you have opened. 

I look forward to your reply.

Regards,
Didi
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