reference/android/content/Context.html?is-external=true#VIBRATOR_SERVICE" title="class or interface in android.content">VIBRATOR_SERVICE</A>, <A target="_top" HREF="http://developer.android.com/reference/android/content/Context.html?is-external=true#WALLPAPER_SERVICE" title="class or interface in android.content">WALLPAPER_SERVICE</A>, <A target="_top" HREF="http://developer.android.com/reference/android/content/Context.html?is-external=true#WIFI_SERVICE" title="class or interface in android.content">WIFI_S