The docs[0] are pretty good. It looks like there is a concept of "embedder" that does the hard work. See [1]. 0 - https://flutter.dev/docs/resources/architectu

The docs[0] are pretty good. It looks like there is a concept of "embedder" that does the hard work. See [1]. 0 - https://flutter.dev/docs/resources/architectural-overview https://flutter.dev/docs/resources/architectural-overview 1 - https://github.com/flutter/flutter/wiki/Custom-Flutter-Engine-Embedders https://github.com/flutter/flutter/wiki/Custom-Flutter-Engin...