.NET for Android warning XA1010

Example messages

warning XA1010: Invalid `$(AndroidManifestPlaceholders)` value for Android manifest placeholders. Please use `key1=value1;key2=value2` format. The specified value was: `assemblyName=App1;projectName`

Issue

One of the key-value pairs provided in the $(AndroidManifestPlaceholders) MSBuild property was invalid. The invalid key-value pair will be ignored.

Solution

Check that the $(AndroidManifestPlaceholders) MSBuild property contains a semicolon-separated list of key-value pairs where each pair has the format key=value.