title: Opening IOS settings preferences
body: <p>Im having a problem opening the settings preferences in my IOS iphone app. At the moment im just using a simple button to test and it doesn't seem to be working correctly.</p>
  
  <p>Basically when I click the button I want a specific settings preference page to open. This is what Im currently using within my buttons IBACTION:</p>
  
  <pre><code>[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"prefs:root=General"]];
  </code></pre>
  
  <p>Hope you guys can help me out with a solution for this, thanks in advance.</p>