NOTE: You cannot switch NFC on/off with this widget!
From Android 2.3.5 this can do only system apps.

This is simple widget-only app for your home screen which shows current status of NFC (Near Field Communication).

App is visible in widgets list only. It does not require any permissions.
It shows state of NFC adapter (on/off/changing state/not present).
Size of the widget is 1x1.
On click opens a NFC settings where you can switch NFC on/off.

Adding widget to home screen: long-press on empty space on your home screen select Widgets and then select NFC Status. Widget should appear on home screen.