Android: How can I force a facebook auth by mobile web

Question

I want to develop the android app with facebook authentication. But if the phone has facebook application in it, I cannot auth on my app, if not, it works well.

so,

Answer 1

When you use Facebook SDK 3.0 and the login button the best way to force this is setting a LoginBehavior to the LoginButton. This can be done like this:

LoginButton authButton = (LoginButton) view.findViewById(R.id.authButton);
authButton.setLoginBehavior(SessionLoginBehavior.SUPPRESS_SSO);

Source: Android - Force Facebook connexion - Stack Overflow