title: How do i remove text from back button on navbar within Xcode?
body: <p>I set an arrow custom image to navigation bar by adding the following code in app delegate, it works but now im looking to remove the text completely for back button.</p>
  
  <pre><code>UIImage * backButtonImage = [UIImage imageNamed: @"BackButtonGrey.png"];
  backButtonImage = [backButtonImage stretchableImageWithLeftCapWidth: 15.0 topCapHeight: 30.0];
  [[UIBarButtonItem appearance]  setBackButtonBackgroundImage: backButtonImage  forState: UIControlStateNormal  barMetrics: UIBarMetricsDefault];
  </code></pre>