我只是把它升级到了空安全版本,如果有其他问题请到原作者仓库

编译环境

[√] Flutter (Channel stable, 2.5.2, on Microsoft Windows [Version 10.0.19042.1266], locale zh-CN)
[√] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
[√] Chrome - develop for the web
[√] Visual Studio - develop for Windows (Visual Studio Community 2019 16.10.3)
[√] Android Studio (version 2020.3)
[√] IntelliJ IDEA Ultimate Edition (version 2021.2)
[√] VS Code (version 1.60.0)
[√] Connected device (4 available)

Libraries

flui_nullsafety