flutter的helloworld

1、android studio新建一个flutter项目

2、错误must be a valid dart package,project name必须小写

3、转载

https://www.jianshu.com/p/af67922bb107

android studio log的位置

/Users/UserName/Library/Logs/AndroidStudio3.2

idea  log的位置

/Users/UserName/Library/Logs/IntelliJIdea2019.2

 

android studio sdk位置

/Users/UserName/Library/Android/sdk/

 

3、Exception in thread "main" java.io.IOException: Unable to tunnel through proxy. Proxy returns "HTTP/1.1 400 Bad Request"

打开

/Users/Danny/.gradle/gradle.properties

删除代理