Here is a Flutter example with a Dart plugin written in C++
Reference manual: https://docs.flutter.dev/development/platform-integration/c-interop
This is an implementation of the native_add function as described in the manual above.
First of all, clone this repository
If you are running on Xcode you need must statically link the library as described in Section 2 of the manual
If you are using Android, open this repository in AndroidStudio and launch example/lib/main.dart on an Android Emulator
The build process of the example app may take a long time.
On Ubuntu:
fatal error: 'gnu/stubs-32.h' file not found
Fix:
sudo apt-get install g++-multilib libc6-dev-i386sudo snap remove flutter- Install flutter manually : https://docs.flutter.dev/get-started/install/linux