Xamarin iOS: Deploying app to device or simulator with iOS 15

user_1525503 0
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I would like to verify whether my Xamarin iOS app is ready for iOS 15 before it's official release. I've installed the public beta of iOS 15 on my iPad and there seems to be an issue, so I would like to debug it. Unfortunately I'm neither able to deploy the app to my device nor can I deploy it do an iOS 15 simulator, because they are not appearing in the dropdown.

I did the following things:

  • updated MacOS to the newest version (11.5.1)
  • updated Visual Studio for Mac to the newest version (8.10.6)
  • updated Xcode to the newest version (12.5.1)

Since this didn't work I've installed the Xcode-beta (version 13.0 beta 4) and changed the SDK location in Visual Studio to Xcode-beta.app.

Unfortunately there are still no simulators appearing in the dropdown and when I try to deploy the app to my device I'm getting the following error:

error HE0003: Could not load the framework 'IBFoundation' (path: /Applications/Xcode-beta.app/Contents/Frameworks/IBFoundation.framework/IBFoundation): not found.

Am I missing something? Is it even possible to be able to debug Xamarin.iOS apps with iOS 15 or is Visual Studio just not ready yet?

UPDATE:

I've changed my SDK location in Visual Studio back to the stable Xcode version, unloaded and reloaded the project and now I'm able to deploy to my iPad. So I'm not sure whether the stuff I did before actually changed something or Visual Studio just had another unrelated problem previously..

Would still be good to know how you could get the simulators to work as well.

ios15 xamarin xamarin.ios ios
3 Answers

I had the same problem, installed xcode 15 beta 4 and wired it up to the latest VS Mac preview and it wouldn't let me deploy/debug to the ios 15 device - "error HE0003: Could not load the framework 'IBFoundation' (path: /Applications/Xcode-beta.app/Contents/Frameworks/IBFoundation.framework/IBFoundation): not found." and no simulators either. What I could do (and I'm sure this makes me a bad person) is drop back to xcode 12.5 and copy over the supporting ios 15 platform files to that package, restore the latest "stable" Xamarin and run using the SDK xcode 12.5 location. Basically I copied the "15.0" folder from beta to the current latest xcode. Aka copy /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/15.0 to /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport It lets me deploy and debug on an ios 15 device from VS Mac and also access the simulators and that is what I'm after. 1

user_45939970

That's weird, I can deploy(by start debugging) on my iOS device with iOS 15 Beta 4, launch the app manually and debug it after that.

My development machine has not changed (no preview vs4mac nor Xcode/macOS beta)

user_109673840

Here's what I did to get iOS15 working on the simulator from Visual Studio.

  1. Install Xcode-beta from developer.apple.com/downloads
  2. Once installed, close out of all simulators
  3. Open Xcode-beta, go to Xcode > Open Developer Tool > Simulator, that should open an iOS15 simulator
  4. Close out of visual studio
  5. Wait until the simulator is fully up and running, then open Visual Studio and the simulator should show up in the list as shown below

enter image description here

user_8677110
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