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?

Solution 1

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?

Solution 2

Starting Facebook SDK 4.0 you need to call

LoginManager.getInstance().logOut();

Solution 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.

Solution 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);

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Comments

[MikkoP]

Thanks Flaxfield! Can you help with the other problem too, if you know something? stackoverflow.com/questions/24149499/…

[swooby]

I am not seeing that this forces the user to re-authenticate. :(

[Pankaj kumar]

Always check access token for null before this logout using logingManager.getInstance.logout();