res/xml/bars_settings.xml

<?xml version="1.0" encoding="utf-8"?>
<!--  Copyright (C) 2015 The OmniROM Project

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 -->

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:settings="http://schemas.android.com/apk/res/com.android.settings">

        <PreferenceCategory
            android:key="battery_category"
            android:title="@string/battery_title" >

            <ListPreference
                android:key="statusbar_battery_style"
                android:title="@string/battery_style_title"
                android:entries="@*android:array/entries_battery_styles"
                android:entryValues="@*android:array/values_battery_styles"
                android:persistent="false"/>
            <ListPreference
                android:key="statusbar_battery_percent"
                android:title="@string/battery_percent_title"
                android:entries="@array/entries_battery_percent"
                android:entryValues="@array/values_battery_percent"
                android:persistent="false"/>

        </PreferenceCategory>

</PreferenceScreen>