GitHub - dart-native/codegen: Generator for dart_native bindings. Codegen can transform native SDK to Flutter plugin.

You can use codegen to convert native SDK into Flutter SDK. Such as Login SDK:

Codegen is a part of DartNative. It's the cyan part(DartNative Codegen) in the picture below:

It's still under development. Here's how it works:

Usage: codegen [options] <input>

Generate dart code from native API.

Options:
  -V, --version                 output the version number
  -l, --language <language>     [objc, java, auto(default)] (default: "auto")
  -o, --output <output>         Output directory
  -t, --template <template>     Generate a shareable Flutter project containing
                                modular Dart code.
                                Specify the type of project to create:
                                [package, plugin]
  --project-name <projectName>  The project name for this new Flutter project.
                                This must be a valid dart package name.
  -h, --help                    display help for command