FacebookFragment.java 文件源码

private void openSession(String applicationId, List<String> permissions,
        SessionLoginBehavior behavior, int activityCode, SessionAuthorizationType authType) {
    if (sessionTracker != null) {
        Session currentSession = sessionTracker.getSession();
        if (currentSession == null || currentSession.getState().isClosed()) {
            Session session = new Session.Builder(getActivity()).setApplicationId(applicationId).build();
            Session.setActiveSession(session);
            currentSession = session;
        }
        if (!currentSession.isOpened()) {
            Session.OpenRequest openRequest = new Session.OpenRequest(this).
                    setPermissions(permissions).
                    setLoginBehavior(behavior).
                    setRequestCode(activityCode);
            if (SessionAuthorizationType.PUBLISH.equals(authType)) {
                currentSession.openForPublish(openRequest);
            } else {
                currentSession.openForRead(openRequest);
            }
        }
    }
}