title: How to get contacts which are used in whatsapp or other application in android
body: <p>Hi i want to get contact which are used by other application (like whatsapp or viber )
  please see in below image</p>
  
  <p><img src="https://i.stack.imgur.com/i9UJ7.png" alt="enter image description here"></p>
  
  <p>please help me about this issue
  thanks</p>