title: Query for ConnectivityManager getActiveNetwork
body: <p>Need to know what kind of value getActiveNetwork returns. code i am using is: </p>
  
  <pre><code>    ConnectivityManager connectivityManager =  (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);    
      Network network = connectivityManager.getActiveNetwork(); 
      Log.e(TAG,"Network : " + network.toString());
  </code></pre>
  
  <p>Output is returning number, what that number actually means?</p>