id.content">UI_MODE_SERVICE</a>, <a href="http://d.android.com/reference/android/content/Context.html?is-external=true#USAGE_STATS_SERVICE" title="class or interface in android.content">USAGE_STATS_SERVICE</a>, <a href="http://d.android.com/reference/android/content/Context.html?is-external=true#USB_SERVICE" title="class or interface in android.content">USB_SERVICE</a>, <a href="http://d.android.com/reference/android/content/Context.html?is-external=true#USER_SERVICE" title="class or interface in android.co