Android Facebook SDK 4.0 external logout -


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i've succesfully updated login code fb sdk 4.0. initially, used code logout facebook external dialog.

if (global.getactivesession() != null) {         session.getactivesession().closeandcleartokeninformation();     }      session.setactivesession(null);

but new fb sdk 4.0, there no way use this. i've tried using 

  loginmanager loginmanager = loginmanager.getinstance();     loginmanager.logout();

but got following error cannot explain.

       @ com.facebook.internal.validate.sdkinitialized(validate.java:99)         @ com.facebook.login.loginmanager.<init>(loginmanager.java:70)         @ com.facebook.login.loginmanager.getinstance(loginmanager.java:81)         @    com.ababab.abab_name_changed.common.util.commonutils.fblogout(commonutils.java:676) 

loginmanager.getinstance().logout();

works me.

i think you'll have call

facebooksdk.sdkinitialize(getapplicationcontext());

before ask loginmanager logout.


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