Annotation attribute must be a class literal? Why? Constants should be fine too

Question

Can someone explain why String and Class annotation parameters are expected differently? Why does the compiler require literals for Classes, wherby accepting constants for Strin

Answer 1

    maven {
        url 'https://maven.google.com'
    }

You must paste this in your project build.gradle(Project: MyApplication(Project Name))

implementation 'android.arch.persistence.room:runtime:1.1.1'
annotationProcessor 'android.arch.persistence.room:compiler:1.1.1'

You must paste this in your project build.gradle(Module:app)

There might be a problem with dependency or just with their naming.

If you want a full code example go for the link:

https://www.captechconsulting.com/blogs/android-architecture-components-room-persistence-library