Facebook Android SDK Invalid_key [duplicate]

Answer 1

i fix the bug with this:

if you add to authorize line this code

Facebook.FORCE_DIALOG_AUTH

mFacebook.authorize(MundialRugby2011Activity.this, 
new String[] {"publish_stream", "read_stream",                             
    "offline_access"},Facebook.FORCE_DIALOG_AUTH, new LoginDialogListener());