title: Create Tree like strucure in iPhone
body: <p>I need to represent my data like a Tree structure in UI.How can I create a view like this in iPhone? Is there any default items for this in <code>object library</code>  ? If no how can I manually implement this?</p>
  
  <p><img src="https://i.stack.imgur.com/O6TkF.png" alt="enter image description here"></p>