报错

导入一个第三方包（Push.jar）无法import

需要修改build.gradle (随便修改一点东西然后同步下)

intermediaries/compiled_local_resources" is not a readable directory
https://www.jianshu.com/p/105741acbd9f
Android Studio 4.0 ：This project uses AndroidX dependencies, but the 'android.useAndroidX' property is not enabled.
https://www.cnblogs.com/hbuwyg/p/13084235.html