title: Trouble using setSelectedIndex: method in UITabBarController
body: <p>I'm using a TabBar View with its controller.</p>
  
  <p>in .h: <code>@interface TabsViewController : UITabBarController</code></p>
  
  <p>in .m: </p>
  
  <pre><code>#import "TabsViewController.h"
  
  @interface TabsViewController () &lt; UITabBarDelegate, UITabBarControllerDelegate &gt;
  
  @end
  
  @implementation TabsViewController
  
  - (void)viewDidLoad {
      TabsViewController.setSelectedIndex:1; 
  }
  </code></pre>
  
  <p>But last row give this error: </p>
  
  <blockquote>
    <p>"Property 'setSelectedIndex' not found on object of type
    'TabsViewController'"</p>
  </blockquote>
  
  <p>Why? Thank you!</p>