.NET MAUI – fix ‘failed processing manifest’ AndroidManifest.xml

The .NET MAUI application. I had the following errors when launch the application:

Error APT2067: failed processing manifest. 0
Error APT2260: resource mipmap/appicon (aka com.companyname.fastcost:mipmap/appicon) not found. This error is likely caused by an issue with the AndroidManifest.xml file or an Android manifest generation attribute in a source code file. 0
Error APT2260: resource mipmap/appicon_round (aka com.companyname.fastcost:mipmap/appicon_round) not found. This error is likely caused by an issue with the AndroidManifest.xml file or an Android manifest generation attribute in a source code file. 0

Solution: Update AndroidManifest.xml file with the correct app icon name (from Resources\AppIcon), example in the screenshot:

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