I have two KMP libraries in one project, and I want to have one jar/lib with all source code from both libs/modules.

I was given a task to convert an existing android app so it works on iOS using kotlin multiplatform. I will mention that I am very green in this area and not experienced at all, so I would highly appreciate guidance. After creating the shared module and fidgeting with the build.gradle files I finally got the project to build, however once I moved a java file from androidApp module to the shared module and converted it to a kotlin file, every import and further code throws an unresolved reference error. For example I have this file that was originaly in java: