LibreTube/app/src/main/res/menu/action_bar.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <item
        android:id="@+id/action_search"
        android:focusableInTouchMode="true"
        android:icon="@drawable/ic_search"
        android:title="@string/search_hint"
        app:actionViewClass="androidx.appcompat.widget.SearchView"
        app:showAsAction="ifRoom|collapseActionView" />

    <item
        android:id="@+id/action_settings"
        android:title="@string/settings"
        app:showAsAction="never" />

    <item
        android:id="@+id/action_help"
        android:title="@string/help"
        app:showAsAction="never" />

    <item
        android:id="@+id/action_about"
        android:title="@string/about"
        app:showAsAction="never" />

    <item
        android:visible="false"
        android:id="@+id/action_audio"
        android:title="@string/audio_player"
        app:showAsAction="never" />

</menu>