How to use Golang to make a flutter plugin

1. compile golang codes into a aar file

https://yingshaoxo.gitbook.io/go-tutorial-for-pythoner/go-for-android

2. create a flutter plugin

https://flutter.dev/docs/development/packages-and-plugins/developing-packages#step-1-create-the-package-1

3. use the aar file

https://stackoverflow.com/a/57075972/8667243

Congratulations 

You have a common code base for windows, android, IOS now.

More info: https://github.com/yingshaoxo/flutter-discoverpingableserviceonlocalnetwork

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