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Problem :

Below are the steps I went through:

Generate the certificate request:

Upload to the Apple Dev Portal, download the certificate.

Select it in the Xamarin Project options:

Tried to build, when getting to a codesigning it asks permission (is a name being "" correct?)

However same frustrating error:

"Error: No installed provisioning profiles match the installed iOS code signing keys"

I see in a csproj I can also specify code signing attributes - should I try to set these manually? Where can I find all the keys of a signing profile / certificate to do so?

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2 Answers

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Solution :

So you created the new certificate, but did you add a certificate to a Provisioning Profile on Apple's Developer Portal and then did you re-download/installed a Provisioning Profile? You must do that.

A Provisioning Profile you have installed on the machine was created before you created the certificate, so there's no way it can try to have your certificate embedded inside of it.

If you try to open up ~/Library/MobileDevice/Provisioning Profiles/<guid>.mobileprovision, you will surely see that it has a <key>DeveloperCertificates</key> which has the array of certificates as a value. Only certificates in that list can be codesign the app using that Provisioning Profile.

Once you edit it on the Apple's Developer Portal to add to your certificate to that Provisioning Profile, then you will need to just re-download it and install a new copy and then select that in a Project Options.

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  1.  First of all, double-click the iOS Project (or put right-click on the iOS Project and then select “Options”)

  2.  Afetr that go to section “Build” -> “iOS Bundle Signing”.

  3. Remove entry from “Custom Entitlements”.

Now the application builds fine.

Update: Here is a second option.

First, you'll require an AppleId. In caseyou don't have one already, sign up for one here: appleid.apple.com.

Next, open Xcode. Open Spotlight (Command + Space), Xcode.

Before everything, you'll require to include your AppleID first. Hence at the bar of the top-left of the monitor, click XCode and  then click preferences. After that click the accounts tab. Click the + button at the bottom left and include your AppleID account.

Once you have included your AppleID, click on your AppleID and click on Manage Certificates at the bottom right. Following this click the + button and select iOS Development.

Now once it's finished, close the preference window.

Most likely the project had been erroneously saved with a “Custom Entitlements” value for the iPhoneSimulator platform. (One of the older versions of Xamarin.VisualStudio used to do this.) Open up the “Build / iOS Bundle Signing” page for the iOS project settings and blank out any “Custom Entitlements” value for “Platform: iPhoneSimulator” — it probably contains the value “Entitlements.plist”. Rebuild the project; all should now be well.

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