Unfortunately, I had to use the Mono which version is 2.X in my project. It's very old, released in 2012! So I installed it on Ubuntu 16.04 LTS from source and do make. Then the error occurred in doing make like this: ./.libs/libmini-stati…

First, write native code you used for iOS. Read this document I needed to write native code for the In-App Purchase on iOS. Then, just put your native code in the Assets/Plugins/iOS directory. The hierarchy like this; For example, using Ob…