title: How to create Custom Notification in android
body: <p>I need to create a custom notification instead of the default notification in android.
  Current notification have a icon,heading and message like below image</p>
  
  <p><img src="https://i.stack.imgur.com/YICgd.jpg" alt="enter image description here"></p>
  
  <p>I want it customise like this</p>
  
  <p><img src="https://i.stack.imgur.com/2yHFP.jpg" alt="enter image description here"></p>
  
  <p>how can i achieve this</p>