gummy_settings.xml

<?xml version="1.0" encoding="utf-8"?>

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
    android:title="@string/gummy_settings_title"
    android:key="gummy_settings"
    xmlns:settings="http://schemas.android.com/apk/res/com.android.settings">

    <PreferenceScreen
            android:key="about_settings"
            android:title="@string/about_gummy"
            android:icon="@drawable/ic_settings_performance"
            android:fragment="com.android.settings.About" />

    <PreferenceScreen
            android:key="general_settings"
            android:title="@string/general_settings"
            android:icon="@drawable/gummy_gen_tweaks"
            android:fragment="com.android.settings.GeneralSettings" />

    <PreferenceScreen
            android:key="systemui_tweaks"
            android:title="@string/systemui_tweaks"
            android:icon="@drawable/gummy_sysui_tweaks"
            android:fragment="com.android.settings.SystemUITweaks" />

    <PreferenceScreen
            android:key="softkey_settings"
            android:title="@string/softkey_settings"
            android:icon="@drawable/gummy_softkeys"
            android:fragment="com.android.settings.Navbar" />

    <PreferenceScreen
            android:key="power_widgets"
            android:title="@string/power_widgets"
            android:icon="@drawable/gummy_pw"
            android:fragment="com.android.settings.PowerWidget" />

    <PreferenceScreen
            android:key="lockscreen_settings"
            android:title="@string/lockscreen_settings"
            android:icon="@drawable/gummy_lockscreen"
            android:fragment="com.android.settings.LockscreenSettings" />

    <PreferenceScreen
            android:key="led_settings"
            android:title="@string/led_settings"
            android:icon="@drawable/gummy_led"
            android:fragment="com.android.settings.LEDSettings" />

    <PreferenceScreen
            android:key="performance_settings"
            android:title="@string/performance_settings"
            android:icon="@drawable/gummy_performance">
            <intent android:action="android.intent.action.MAIN"
                 android:targetPackage="com.liberty.settings"
                 android:targetClass="com.liberty.settings.Performance" />
    </PreferenceScreen>

</PreferenceScreen>