title: Same background between view controllers in Xamarin IOS
body: <p>How can i do this in xamarin ios:</p>
  
  <p>I have 3 view controllers, the first controller have only 2 buttons, Login and Register with the background of the view, how can i do when the user press any button, go to another viewcontroller with animation (move bottom to top the content) with a fixed background? now i have the background move's with the buttons,</p>
  
  <p>Thanks in advance!</p>