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Xamarin.Firebase.Auth error ( NU1202 , NU1107 )

wanna_be_programmer 1 Reputation point
2022-08-10T20:35:52.003+00:00

Hi, I want to install Xamarin.Firebase.Auth to my android project. But serveral errors have occurred.

Firebase.Auth for iOS works fine.

NU1202 Package System.Buffers 4.5.1 is not compatible with monoandroid12.1 (MonoAndroid,Version=v12.1). Package System.Buffers 4.5.1 supports:

  • netcoreapp2.0 (.NETCoreApp,Version=v2.0)
  • uap10.0.16299 (UAP,Version=v10.0.16299) Objednajto.Android C:\Users\A\source\repos\Objednajto\Objednajto.Android\Objednajto.Android.csproj

NU1202 Package System.Memory 4.5.4 is not compatible with monoandroid12.1 (MonoAndroid,Version=v12.1). Package System.Memory 4.5.4 supports: netcoreapp2.1 (.NETCoreApp,Version=v2.1) Objednajto.Android C:\Users\A\source\repos\Objednajto\Objednajto.Android\Objednajto.Android.csproj

NU1107 Version conflict detected for Xamarin.AndroidX.Browser. Install/reference Xamarin.AndroidX.Browser 1.4.0.1 directly to project Objednajto.Android to resolve this issue.
Objednajto.Android -> Xamarin.Firebase.Auth 121.0.1.8 -> Xamarin.AndroidX.Browser (>= 1.4.0.1)
Objednajto.Android -> Xamarin.Forms 5.0.0.2515 -> Xamarin.AndroidX.Browser (>= 1.3.0.6 && < 1.4.0). Objednajto.Android C:\Users\A\source\repos\Objednajto\Objednajto.Android\Objednajto.Android.csproj

NU1202 Package Microsoft.Bcl.AsyncInterfaces 6.0.0 is not compatible with monoandroid12.1 (MonoAndroid,Version=v12.1). Package Microsoft.Bcl.AsyncInterfaces 6.0.0 does not support any target frameworks. Objednajto.Android C:\Users\A\source\repos\Objednajto\Objednajto.Android\Objednajto.Android.csproj

NU1202 Package System.Text.Json 6.0.1 is not compatible with monoandroid12.1 (MonoAndroid,Version=v12.1). Package System.Text.Json 6.0.1 does not support any target frameworks. Objednajto.Android C:\Users\A\source\repos\Objednajto\Objednajto.Android\Objednajto.Android.csproj

NU1202 Package System.Runtime.CompilerServices.Unsafe 6.0.0 is not compatible with monoandroid12.1 (MonoAndroid,Version=v12.1). Package System.Runtime.CompilerServices.Unsafe 6.0.0 does not support any target frameworks. Objednajto.Android C:\Users\A\source\repos\Objednajto\Objednajto.Android\Objednajto.Android.csproj

NU1202 Package System.Text.Encodings.Web 6.0.0 is not compatible with monoandroid12.1 (MonoAndroid,Version=v12.1). Package System.Text.Encodings.Web 6.0.0 does not support any target frameworks. Objednajto.Android C:\Users\A\source\repos\Objednajto\Objednajto.Android\Objednajto.Android.csproj

All of my attempts to fix this have failed so far...

Developer technologies | .NET | Xamarin
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  1. Anonymous
    2022-08-11T05:59:25.753+00:00

    Hello,​

    Please install Xamarin.Firebase.Auth 121.0.1.6 version, do not install 121.0.1.8. Because Xamarin.Forms 5.0.0.2515 dependent on Xamarin.AndroidX.Browser (>= 1.3.0.6 && < 1.4.0).

    Please note: Xamarin.Firebase.Auth bindings for Google Play Services, it is used by Android platform, when you install it, please just select your android platform project.

    Best Regards,

    Leon Lu

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    1 person found this answer helpful.
  2. wanna_be_programmer 1 Reputation point
    2022-08-22T07:48:03.163+00:00

    I resolved this issue by downgrading the xamarin.firebase.auth version

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