Horizontal RecyclerView with items that have dynamic height

Change your item.xml layout content with the below code.
It will solve your issue.

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="160dp"
    android:layout_height="match_parent"
    android:background="#888888">
    <TextView
        android:id="@+id/text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hi"
        android:textSize="30sp" />

</LinearLayout>