> For the complete documentation index, see [llms.txt](https://flutter.megathink.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://flutter.megathink.com/chinese/business-logic.md). # šŸ§ Business Logic - [Navigation](https://flutter.megathink.com/chinese/business-logic/navigation.md): TODO - [State Management](https://flutter.megathink.com/chinese/business-logic/state-management.md): WORK IN PROGRESS - [Async Programming](https://flutter.megathink.com/chinese/business-logic/async-programming.md): TODO - [Testing](https://flutter.megathink.com/chinese/business-logic/testing.md): TODO