WifiAp Toggle/Widget

Provide a widget to end-user to turn on/off the Wifi AP quickly.
Easy to share the data network by using the Wifi Tethering.

* Support:
Google Galaxy Nexus.
Google Galaxy S
Google Nexus One.

v1.07
* add option to auto start the wifi Ap.
* fix bug when disable the WiFI Ap function , the WiFi will be turned on.