VS2019升级到16.6问题特多,问题也比较奇葩!在部署调试到模拟器出现:Xamarin.Android does not support running the previous version.  Please ensure your solution builds before running or debugging it.

通过Help/Xamarin/Open Logs.打开日志文件发现127.0.0.1无法连接,这说明连接模拟器出现问题!

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解决办法:关闭模拟器,重新打开!即可解决!

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