title: How to add a customized image button to UINavigationBar in iPhone sdk
body: <p>I want to add customized arrow buttons to UINavigation Bar which comes at the top. </p>
  
  <p>what I want to do is create a custom image button and place it over the bar. When I tried adding to view like:</p>
  
  <pre><code>[self.view addSubview:leftArrowButton];//(Where leftArrowButton is a UIButton with an image of arrow)
  </code></pre>
  
  <p>This dont work, like it places the button but button gets hided under the bar and not overlap on it.</p>
  
  <p>Any help is appreciated. Thanks.</p>