riff_app/app/src/main/res/xml/preferences.xml

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

    <Preference
        app:icon="@drawable/ic_alarm"
        app:key="alarmScreen"
        app:title="Set up alarm clock"
        app:fragment="fr.forum_thalie.tsumugi.preferences.AlarmFragment"
        />

    <Preference
        app:icon="@drawable/ic_av_timer"
        app:key="sleepScreen"
        app:title="Set sleep timer"
        app:fragment="fr.forum_thalie.tsumugi.preferences.SleepFragment"
        />

    <Preference
        app:icon="@drawable/ic_customize"
        app:key="CustomizeFragment"
        app:title="Customize app behavior"
        app:fragment="fr.forum_thalie.tsumugi.preferences.CustomizeFragment"
        />

    <Preference
        app:key="submitBug"
        app:title="Submit a bug (opens GitHub in a web browser)"
        app:icon="@drawable/ic_bug"
        />


</PreferenceScreen>