<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">

    <<warning descr="This `<fragment>` tag should specify an id or a tag to preserve state across activity restarts">fra<caret>gment</warning>
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:name="android.app.ListFragment"/>

</LinearLayout>