VancedManager/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
        android:key="update_check"
        android:title="Check for updates"
        android:icon="@drawable/ic_cloud_upload_black_24dp"/>

    <PreferenceCategory
        android:title="Interface"
        app:iconSpaceReserved="false">

        <ListPreference
            android:icon="@drawable/ic_brush_black_24dp"
            android:key="theme_mode"
            android:title="Theme"
            android:summary="Choose your preferred theme"
            android:entries="@array/theme_modes"
            android:entryValues="@array/theme_modes_values"
            android:defaultValue="LIGHT"/>

        <ListPreference
            android:icon="@drawable/ic_palette_black_24dp"
            android:key="accent_color"
            android:title="Accent Color"
            app:isPreferenceVisible="false"
            android:entries="@array/accent_color"
            android:entryValues="@array/accent_color"/>

        <ListPreference
            android:key="language"
            android:icon="@drawable/ic_language_black_24dp"
            android:title="Language"
            android:summary="Choose your preferred language"
            android:entries="@array/languages"
            android:entryValues="@array/languages_value"/>

    </PreferenceCategory>

    <PreferenceCategory
        android:title="Manager"
        app:iconSpaceReserved="false">

        <SwitchPreference
            android:title="Push Notifications"
            android:key="push_notifications_status"
            android:summary="Receive push notifications when update is released"
            android:icon="@drawable/ic_notifications_black_24dp"/>
    </PreferenceCategory>

</PreferenceScreen>