title: How to show country flags according to phone numbers in android?
body: <p>I want to display country flags with respect to phone-numbers in my contact lists like rebtel(Screen shot shown below).</p>
  
  <blockquote>
    <p><img src="https://i.stack.imgur.com/eE9g2m.png" alt="enter image description here"></p>
  </blockquote>