Setup the required dependencies. You’ll need the room-runtime and room-compiler. Dependencies & Gradle plugin // app/build.gradle apply plugin: 'kotlin-kapt' dependencies { def room_version = "2.2.3" implementation "androidx.room:room-runtime:$room_version" kapt "androidx.room:room-compiler:$room_version" } Creating the database // Book.kt @Entity data class Book(@PrimaryKey val id: UUID = UUID.randomUUID(), var title: String = "", var date: Date = Date(), var isComplete: Boolean = false) // database/BookDatabase.kt @Database(entities = [ Book::class ], version=1) @TypeConverters(BookTypeConverters::class) abstract class BookDatabase : RoomDatabase() { abstract fun bookDao(): BookDao } Type Converters // database/BookTypeConverters.

Having ordered an external hard drive from China… let me rephrase that; having ordered a really cheap hard drive from an unknown source at the farthest side of the world, getting it handled by the not so delicate hands of the Mexican post office, and getting it delivered to my door by bicycle, of course I had to check it thoroughly before putting any data in it. I started with the well known way of checking for bad blocks on a storage device:

“The spirit of Plato dies hard. We have been unable to escape the philosophical tradition that what we can see and measure in the world is merely the superficial and imperfect representation of an underlying reality.” —Stephen Jay Gould, The Mismeasure of Man