run time

[petterEat]

FAILURE: Build failed with an exception.

• Where:
  Build file 'E:\dev_project\flutter\wan_giao-master\android\app\build.gradle' line: 59

• What went wrong:
  A problem occurred evaluating project ':app'.

path may not be null or empty string. path='null'

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

• Get more help at https://help.gradle.org

[petterEat]

gradle-6.7.1-all

[wo5813288]

FAILURE: Build failed with an exception.

• Where:
  Build file 'E:\dev_project\flutter\wan_giao-master\android\app\build.gradle' line: 59
• What went wrong:
  A problem occurred evaluating project ':app'.

path may not be null or empty string. path='null'

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
• Get more help at https://help.gradle.org

两种方式
1.可以把android/app/gradle中的 signingConfigs-realse节点中的内容注释。
2 或者在android目录下创建自己的key.properties ，这里是存放的是签名文件的一些信息，因为你本地没有所以路径找不到