How to correct reference Xamarin PCL class?

Asked Jun 19 '17 at 16:21

Active Jun 19 '17 at 17:42

Viewed 131 times

In Visual Studio 2017, a fresh new Xamarin solution is created with Portable Class Library.

A initial build shows success. But a run gives an error message:

warnings like

Unable to add a reference to project 'App1'. The current project's target is not one of or compatible with the targets of Portable Library project 'App1'.

It is in both App1.iOS and App1.Android.

I have not yet upgrade the Xamarin NuGet package yet. The UWP project can run without any warning or exception.

Look into the project reference on the Android project, we see the broken reference to App1.

Trying to reference that PCL project again, I got

Look into the Property of the App1 PCL project,

What could be wrong? How can I fix the PCL project so it can be correctly referenced by Android and iOS projects?

edited Jun 19 '17 at 17:42

asked Jun 19 '17 at 16:21

Blaise

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Is your PCL a .NET Standard? – Sean Stayns Jun 19 '17 at 16:44
I am afraid not. It is created by the "Cross Platform App (Xamarin)" template. – Blaise Jun 19 '17 at 16:45
Perhaps, you can try to use .NET Standard: https://oren.codes/2016/07/09/using-xamarin-forms-with-net-standard/ – Sean Stayns Jun 19 '17 at 16:46
If you don't wanna change the Target Platform, you can try this: https://stackoverflow.com/a/15091234/5056173 – Sean Stayns Jun 19 '17 at 16:49

How to correct reference Xamarin PCL class?

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