运行flutter run 报错Could not determine the dependencies of task ':app:compileDebugJavaWithJavac'.

1.修改D:\flutter-SDK\flutter\packages\flutter_tools\gradle\flutter.gradle文件 

        找到private static final String DEFAULT_MAVEN_HOST  将其值替换成 "https://storage.flutter-io.cn/download.flutter.io"

2.错误信息如果包含

　　Failed to install the following Android SDK packages as some licences have not been accepted.  

　　需要进入到报错的sdk路径，

      cd C:\Users\17720\AppData\Local\Android\SDK

      cd tools

     cd bin

     执行.\sdkmanager --licenses

   弹出的询问全部yes

   完毕后重新执行flutter run