title: Manual language selection in swift by using picker view
body: <p>I have a picker view which I want it to change the language of the app, I have localized my app with 3 languages and it switches to different languages when I change device language but how can I use the picker view to change the language of the app ? </p>
  
  <p><a href="https://i.stack.imgur.com/pR9dI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/pR9dI.png" alt="enter image description here"></a></p>
  
  <p>I'm using Xcode 7 and swift 2.1</p>