Caused by: java.lang.RuntimeException: cannot find implementation for com.jikyunghee.mobile.android.myapplication.learn.mvvm.db.ContactDatabase. ContactDatabase_Impl does not exist
Error!
//room
implementation 'androidx.room:room-runtime:2.2.5'해결! - annotationProcessor을 추가해준다!
//room
implementation 'androidx.room:room-runtime:2.2.5'
annotationProcessor 'androidx.room:room-compiler:2.2.5'
annotationProcessor: 컴파일 시점으로 코드를 생성
참고
https://cchoimin.tistory.com/entry/Gradle-annotationProcessor
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