On/Off Toggle Button in Preferences & Action Bar - Ice Cream Sandwich Style

Question

I am referring to the blue ON/OFF styling as seen in the default Android Settings app on ICS phones. It can also be seen here: http://android-developers.blogspot.com/2012/02/and

Answer 1

As easy as:
My xml-v14/preferences.xml

<SwitchPreference
    android:key="@string/feature_id"
    android:title="@string/feature_title" />

For compatibility:
My xml/preferences.xml

<CheckBoxPreference 
    android:key="@string/feature_id"
    android:title="@string/feature_title" />