title: Showing a modal view controller from a tab bar app
body: <p>First, I would like to warn that I am a complete newbie into iPhone coding...</p>
  
  <p>I need to show up a viewcontroller from a library, I know that it is modal. I have a tab bar app (created with the default XCode template). I need to show that viewcontroller, there are no problem if it hides the tabbar itself... But I am quite clueless, I don't know even what to search, or what to read...</p>