参考:

[问题] Could not find method compile() for arguments [directory ‘libs’]的两种情况汇总
https://blog.csdn.net/m0_52739647/article/details/119736421

Android Studio project with path '... ' could not be found in project ' app' 报错解决方案
https://blog.csdn.net/lvshuchangyin/article/details/51780431

android studio 导入源码库,Android Studio导入Android源码/调试framework的教程
https://blog.csdn.net/weixin_39819283/article/details/117610442

Android studio 引入第三方库（github开源库）
https://blog.csdn.net/shi_xin/article/details/79033886