title: iOS 7 UIWebView rotation to landscape orientation add some bar
body: <p>I have such situation, all screens in my application is in portrait mode, but I have one screen that could be in both orientations. On iOs 6 everything works fine but on iOS 7 when I rotate to landscape I am receive such situation as shown at the bottom. Big black bar at the bottom of screen.:</p>
  
  <p><img src="https://i.stack.imgur.com/Kn0KD.png" alt="iOS 7 landscape orientation"> 
  I want to make full screen and I have try self.edgesForExtendedLayout = UIRectEdgeNone; but it doesn't work for me.</p>