title: How to implement spinner with loading controller in ionic 3?
body: <p>I want to implement spinner with loading controller in ionic3 . I have implemented simple loading controller . how to do it? thanks in advance.</p>
  
  <p>My current loader</p>
  
  <p><a href="https://i.stack.imgur.com/IRBzF.png" rel="noreferrer"><img src="https://i.stack.imgur.com/IRBzF.png" alt="enter image description here"></a></p>
  
  <p>I want something like this</p>
  
  <p><a href="https://i.stack.imgur.com/xKzJN.png" rel="noreferrer"><img src="https://i.stack.imgur.com/xKzJN.png" alt="enter image description here"></a></p>