title: How to display count of notifications in toolbar icon in android
body: <p>I would like to make an icon counter for android just like the cart.  I have seen many e-commerce app cart icon count increase. I show flipkart app snapshot.:-</p>
  
  <p><a href="https://i.stack.imgur.com/aYUQl.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/aYUQl.jpg" alt="enter image description here"></a></p>