app/src/main/res/layout/activity_tour.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.recyclerview.widget.RecyclerView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/tourRecyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent" />