Whatsapp url scheme fail to work on android

I am trying to launch whatsapp application from within my ionic view app in android using url scheme whatsapp://send. It works fine in iOS but fail in android. It does not respond at all. Any idea? thanks

AFIK the whatsapp URL scheme does not work on Android and you need a plugin.
You can give this a try:

thanks. I will also be checking out https://github.com/EddyVerbruggen/SocialSharing-PhoneGap-Plugin for social sharing.