flutter环境配置大坑

losing connection to iOS device

https://github.com/flutter/flutter/issues/34925

losing connection to iOS device

iOS原生项目接入flutter报错：

Could not build the precompiled application for the device. Error launching

原因是包名和原生包名不一致，导致不知道热重载哪一个。

解决方式：把Runner工程的包名也改为原生的包名，就可以flutter独立调试了。