title: how to send notification to different different customer as per their order in android sql?
body: <p>How can I send a notification from server to different user who is using my app for example if I need to send a notification to user1 about their order that your order is on your way or it will take 30 minutes to reach, how can I do that?? I think about the notification but how it is possible from the server through my app ??</p>
  
  <p>I am new in android, So kindly help me.</p>