onUnreadInfoChanged property

Stream<QChatUnreadInfoChangedEvent> onUnreadInfoChanged

新的未读通知事件 订阅、标记消息已读、收到新消息或新消息通知会触发该通知 通知事件内的新未读状态可能没有实际变更，比如重复调用订阅接口触发的变更事件

Implementation

Stream<QChatUnreadInfoChangedEvent> get onUnreadInfoChanged =>
    _platform.onUnreadInfoChanged;