title: check if wireless is on (even if not connected to any network)
body: <p>Can I check if the wireless is enabled, even if not connected to any network. I need wireless enabled to get more accurate gps readings. But I don't need to be concede to any of the networks (It  seams that unless wi-fi is active, the device can not use networks for positioning). For data transfer I will use the mobile network. </p>
  
  <p>So, How do I check if wireless is activated?</p>