title: How to add the same UIButton to navigationbars all the viewcontrollers in iphone?
body: <p>I had an application in which if a condition satisfies then i need a button on the navigation bars on all the view controllers ,with the same action ,I had gone through some of the possible solutions </p>
  
  <blockquote>
    <p>as creating a delegate class and</p>
  </blockquote>
  
  <p>adding it in each view controller ,</p>
  
  <blockquote>
    <p>and there is always a solution like adding it in each view controller</p>
  </blockquote>
  
  <p>but not sounded feasible for me ,can anybody help me on the way to achieve this ?</p>