title: How to receive ICS Wi-Fi hotspot enale/disable via broadcastreceiver
body: <p>I would like to know if we can receive information via broadcastreceiver (onReceive) to know that if user enable/disable "Portable Wi-Fi Hotspot" (Settings->Wireless &amp;Networks->Tethering &amp; portable hotspot).</p>
  
  <p>Since I found that I am not able to use android.net.wifi.WifiManager to monitor this at ICE Cream version.</p>
  
  <p>Does anyone can share some hints to me?</p>