To use Room in Android, you need more dependencies

When you use Room in Android, set the options below

In build.gradle(Module:app)
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apply plugin: 'kotlin-kapt'

dependencies {
    def room_version = "2.2.3"
    def lifecycle_version = "2.2.0"
    implementation "androidx.room:room-runtime:$room_version"
    implementation "androidx.lifecycle:lifecycle-runtime-ktx:$lifecycle_version"

    implementation "android.arch.lifecycle:extensions:$lifecycle_version"
    kapt "android.arch.lifecycle:compiler:$lifecycle_version"
    implementation "android.arch.persistence.room:runtime:$room_version"
    kapt "androidx.room:room-compiler:$room_version"
}