title: How to show a fragment in all Activity
body: <p>I have an activity (activity A) and a fragment A, part of activity A. I am opening another activity (activity B). How to show fragment A (if fragment A visible) in activity B?
  Thanks!</p>
  
  <p><a href="https://i.stack.imgur.com/5oHKB.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/5oHKB.png" alt="enter image description here"></a></p>