Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
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Xamarin.uwp- getting run time error - System.Reflection.MissingMetadataException: ''Xamarin.Forms.Platform.UWP.WindowsPlatformServices' is missing metadata. For more information, please visit http://go.microsoft.com/fwlink/?LinkID=392859'
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(99.2, 37%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAR%3C/text%3E%3C/svg%3E)
APM Rounds
21
Reputation points
Xamarin.uwp- getting run time error - System.Reflection.MissingMetadataException: ''Xamarin.Forms.Platform.UWP.WindowsPlatformServices' is missing metadata. For more information, please visit http://go.microsoft.com/fwlink/?LinkID=392859'
Tried multiple options added in .rd,xml, but no luck. example
1.
<Type Name="Microsoft.Extensions.Caching.Memory.MemoryCacheOptions" Dynamic="Required All" />
2.
<Type Name="Xamarin.Forms.Platform.UWP.WindowsPlatformServices" Serialize="Required All" />
<Type Name="Xamarin.Forms.Platform.UWP.Platform" Serialize="Required All" Dynamic="Required All">
<MethodInstantiation Name="OnPageAlert" Arguments="System.Object" Dynamic="Required" />
</Type>
{count} votes
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(22.400000000000002, 3%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWZ%3C/text%3E%3C/svg%3E)
Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 35,031 Reputation points Microsoft Vendor2025-01-17T05:17:08.5366667+00:00 Xamarin support has been ended, it's recommended that you migrate your Xamarin app to .NET MAUI. Please see Xamarin official support policy .
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APM Rounds 21 Reputation points
2025-01-22T05:15:38.72+00:00 hi zhang, thanks for the response. We need to deliver UWP app and its critical for our business. We are on the way to migrate to maui. But we need some leads who can help us to fix the issue!
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Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 35,031 Reputation points Microsoft Vendor
2025-01-23T07:16:07.1566667+00:00 ''Xamarin.Forms.Platform.UWP.WindowsPlatformServices' is missing metadata.
The error occurs on ''Xamarin.Forms.Platform.UWP.WindowsPlatformServices' , but Xamarin support has been ended, we cannot support further, thanks for your understanding.
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