title: networkActivityIndicatorVisible
body: <p>Is this code correct to use with the networkActivityIndicatorVisible?</p>
  
  <pre><code>- (void)viewWillAppear:(BOOL)animated {
  
      [super viewWillAppear:animated];
  
      UIApplication* app2 = [UIApplication sharedApplication]; 
      app2.networkActivityIndicatorVisible = YES; 
      [self loadSources];  // Loads data in table view
      app2.networkActivityIndicatorVisible = NO; 
  }
  </code></pre>
  
  <p>Teo</p>