title: How to get random key from firebase in android?
body: <p><a href="https://i.stack.imgur.com/rklJ8.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/rklJ8.jpg" alt="example"></a></p>
  
  <p>How can I get random key from Firebase realtime database that are stored in list?</p>