title: How to implement app usage statistics
body: <p>I need to implement something to know wich apps is most used on a android device. I mean I need something just like this: <a href="http://pt.appbrain.com/app/appusage/com.smartappers.appusage" rel="nofollow">http://pt.appbrain.com/app/appusage/com.smartappers.appusage</a>
  wich have a list of apps and the time that each one has been used.</p>
  
  <p>I'm doing an app for a company and I need the usage statistics of the devices of employees.</p>
  
  <p>Thx everyone !</p>