CODE EXAMPLE FOR JAVA

E/RecyclerView: No layout manager attached; skipping layout

 <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/reccylerview"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginTop="8dp"
        android:scrollbars="vertical"
        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"/>