Open Facebook Messenger in Android

Question

I want to open facebook messenger by code. How I can get the facebook ID?? I have the facebook SDK on my app and I saved for every user the facebookId but is not the same as I n

Answer 1

First, check the app is existed in device or not and write the following lines to open.

Intent intent = activity.getPackageManager().getLaunchIntentForPackage("com.facebook.orca");
activity.startActivity(intent);