LoginButton.UserInfoChangedCallback
This class is no longer available in the most recent version of the SDK.
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Specifies a callback interface that will be called when the button's notion of the current user changes (if the fetch_user_info attribute is true for this control).

Package:widget
Instance Methods
onUserInfoFetched(GraphUser)

Called when the current user changes.

public void onUserInfoFetched(GraphUser user)
ParameterDescription
userThe current user, or null if there is no user