title: How to check if LocationManager.NETWORK_PROVIDER is available?
body: <p>How to check if <code>LocationManager.NETWORK_PROVIDER</code> is available? </p>
  
  <p>I enabled in <code>AndroidManifest.xml</code> but I need to check that in code and if is not available to use <code>GPS_PROVIDER</code>. Can someone help me ?</p>