Logout Facebook Android SDK

Question

I use the LoginButton from the Facebook Android SDK to login to my application. How do I programmatically log out the user from any Activity?

Answer 1

Starting Facebook SDK 4.0 you need to call

LoginManager.getInstance().logOut();

Answer 2

Can you use closeAndClearTokenInformation() as described here: https://developers.facebook.com/docs/reference/android/current/class/Session/ ?

See also How to programmatically log out from Facebook SDK 3.0 without using Facebook login/logout button?

Answer 3

If you are using facebook SDK 4, you first need to initialize sdk:

FacebookSdk.sdkInitialize(getApplicationContext());

And then just do:

LoginManager.getInstance().logOut();

See here for more details.

Answer 4

If you are using facebook SDK 4, you first need to initialize sdk:

FacebookSdk.sdkInitialize(getApplicationContext());

And then :

 LoginManager.getInstance().logOut();

 AccessToken.setCurrentAccessToken(null);