sdk/src/com/socialize/networks/facebook/BaseFacebookFacade.java
@Override
	public String getAccessToken(Context context) {
		UserProviderCredentials creds = getSocialize().getSession().getUserProviderCredentials(AuthProviderType.FACEBOOK);
		if(creds != null) {
			return creds.getAccessToken();
		}
		return null;
	}
@Override
	public String getAccessToken(Context context) {
		UserProviderCredentials creds = getSocialize().getSession().getUserProviderCredentials(AuthProviderType.FACEBOOK);
		if(creds != null) {
			return creds.getAccessToken();
		}
		return null;
	}
/*
(non-Javadoc)
@see com.socialize.networks.facebook.FacebookFacade#getAccessToken(android.content.Context)