title: Floating Action Button for lower version
body: <p>Is there a way I can Achieve the floating button to work on 4.0 and later android??</p>
  
  <p>I've seen it on google plus but I haven't found any tutorial. Only for android l preview. What did google+ use to achieve it?</p>
  
  <p><img src="https://i.stack.imgur.com/zqOOs.png" alt="enter image description here"></p>
  
  <p><img src="https://i.stack.imgur.com/jiMml.jpg" alt="enter image description here"></p>