title: Keyboard covers up my UIViewController?
body: <p>I have a UIViewController which has a UITextView and UIImageView, when the keyboard comes up it covers up my UITextView. so how can i do to manage that and the same for the UITableView?
  <img src="https://i.stack.imgur.com/8EgVC.png" alt="UIViewController"></p>
  
  <p><img src="https://i.stack.imgur.com/wKFv6.png" alt="UITableViewController"></p>