NotificationEmitterSupport.java 文件源码

void sendNotification(Notification notification) {

        if (notification == null) {
            return;
        }

        List<ListenerInfo> currentList;
        synchronized (listenerLock) {
            currentList = listenerList;
        }

        final int size = currentList.size();
        for (int i = 0; i < size; i++) {
            ListenerInfo li =  currentList.get(i);

            if (li.filter == null
                || li.filter.isNotificationEnabled(notification)) {
                try {
                    li.listener.handleNotification(notification, li.handback);
                } catch (Exception e) {
                    e.printStackTrace();
                    throw new AssertionError("Error in invoking listener");
                }
            }
        }
    }