title: Add Fragment into fragment
body: <p>Is it possible to add fragments inside another fragment ?</p>
  
  <p>Indeed, I have an <strong>Activity A</strong> which contains a <strong>fragment F1</strong> and I want to add another <strong>fragment F1.1</strong> in the <strong>fragment F1</strong>.</p>
  
  <p><a href="https://i.stack.imgur.com/SG9IM.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/SG9IM.png" alt="enter image description here"></a></p>
  
  <p>How can i do this.</p>
  
  <p>I hope you understand my question</p>