title: Android Convert string in TextView to Emoji
body: <p>I'm writing an application that allow users to chat, but I have problems in applying the emjois, now what I have like some user send a message 
  <code>Hello :)</code>
  the other user see the message as it is, I need to convert <code>:)</code> to user device emoji.</p>
  
  <p>how can I accomplish this?? is there any good library on Github that replace all the texts to emojis ??</p>
  
  <p>Any help please. I'm stuck on this for hours</p>