Xamarin Forms - iOS cannot compile for physical devices

Matteo Pozzato 116

Hi,
I have a XF app that run both for Android and iOS.
With the emulator all works fine but if I try to run it on iOS devices the attached error are triggered.

The error is triggered in VS for Mac and also on VS for Windows.
The Xcode version is 12.4 (12D4e).

This is the iOS app config:

log-part-1.txt
log-part-2.txt

How can I fix this? :(

Leon Lu (Shanghai Wicresoft Co,.Ltd.) 68,741 Reputation points Microsoft Vendor

2021-04-12T14:21:20.6+00:00
The iPhone needs to be connected to your Mac

If you are using VisualStudio and trying to deploy your application in mac/iphonedevice through hosting, then the installed xamarin version should same in both VisualStudio and Mac.
Otherwise this issue may occur.

Check whether the certificate is created and applied to your iphone device properly. You can check this by opening XCode in your mac.
Matteo Pozzato 116 Reputation points

2021-04-13T07:48:40.34+00:00

Hi, thank you for the reply.
The iphone is connected at the mac, I usually work on VS on mac, so I don't need hosting (I have tried if on windows something changes..)
The XF version is the same on mac and windows (Version: 14.14.2.5).
The developer cert and prov profiles are ok.

I've tried to add this -gcc_flags '-framework SystemFramework' to mtouch but the app not starts:
Leon Lu (Shanghai Wicresoft Co,.Ltd.) 68,741 Reputation points Microsoft Vendor

2021-04-14T07:30:01.757+00:00

What is your Linker settings?(https://learn.microsoft.com/en-us/xamarin/ios/deploy-test/linker?tabs=macos), I set the Linker to Don't link I make a test in my device(VS2019 16.9.3 and iPhone 12, XCode 12.4), it works
Matteo Pozzato 116 Reputation points

2021-04-14T07:33:46.537+00:00

Hi thank you.
I have created a new project and moved the files one by one to the new project and now works fine.
I don't know what happened with the old project :/

Accepted answer

Matteo Pozzato 116 Reputation points

2021-04-14T07:34:10.09+00:00

I have created a new project and moved the files one by one to the new project and now works fine.
I don't know what happened with the old project.
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Leon Lu (Shanghai Wicresoft Co,.Ltd.) 68,741 Reputation points Microsoft Vendor

2021-04-14T08:21:47.2+00:00

Thanks for your sharing.
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Xamarin Forms - iOS cannot compile for physical devices

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