Please have a look at the packages I have in my Xamarin.Forms project.
Suddenly, without any changes, I started to get the shown error. I got similar issue one time and fixed by updating the packages. But right now, all the packages are up-to-date.
3 Answers
I have re-added reference for Mono.Android.dll from the location C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\IDE\ReferenceAssemblies\Microsoft\Framework\MonoAndroid\v11.0.
When I moved the location of the project, I guess the reference was broken.
I found that if you look in the .csproj file for Mono.Android.dll you will fine a path with multiple ../../ in the path. I do not k now why this type of path is used but for me it really messed up everything. This is an issue every time you change where the project/solution resides.
Change the part "HintPath" or check it is the correct path I have this Property in my .csproj file, so I changed this path for the version of Visual Studio 2022, I brought my app from Visual Studio 2019, this is the reason why it did not work
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