How to open Whatsapp from other app

Question

I am developing an android app.
I want to open (just open) WhatsApp from my app.

How can I open WhatsApp from my app?

http://stackoverflow.com/questions/15462874/sending-message-through-whatsapp — Boris Pawlowski, Apr 08 '15 at 13:55

score 10 · Accepted Answer · answered Apr 08 '15 at 13:56

10

Did you try this

Intent launchIntent = getPackageManager().getLaunchIntentForPackage("com.whatsapp");
        startActivity(launchIntent);

answered Apr 08 '15 at 13:56

Amsheer

2

Is there a way to open a chat to specific contact? – Kshitij Aggarwal Jul 13 '16 at 13:42
@Amsheer, How can I open a specific whatsapp contact directly from my application? – Dennis Mathew May 30 '18 at 06:57

1 Answers1