title: adding multiple views to view controller inside a tab controller
body: <p>I have a tabview controller to which I added a UIViewController to each tab. I want to have multiple UIViews inside the UIViewController.</p>
  
  <p>So in the implementation of the UIViewController class I added [self.view addSubView:uiview1] and [self.view addSubView:uiview2]. The problem is that when I run the app, it crahes on load.</p>
  
  <p>However, if I only used a single UIView and did: self.view = UIView1 that would work fine.</p>
  
  <p>Does anyone know what is causing the problem? Or if I'm doing something fundamentally wrong?</p>