更新您的android studio

• Update your android studio

  https://developer.android.com/studio

  将compileSdkVersion设置为28

  Set compileSdkVersion to 28

  在build.grade(project:X)中设置com.android.tools.build:gradle:3.2.0 最低3.2版本的依赖项

  Set com.android.tools.build:gradle:3.2.0 in build.grade(project:X) in dependencies to min 3.2

  转到重构"->迁移到androidX

  Go to Refactor-> Migrate to androidX