JIM.getInstance().getConversationManager().addListener("main", new IConversationManager.IConversationListener() {
  /// 会话新增回调
  @Override
  public void onConversationInfoAdd(List<ConversationInfo> conversationInfoList) {
      Log.i("TAG", "onConversationInfoAdd, count is " + conversationInfoList.size());
  }

  /// 会话变更回调，会话信息任何变更都会触发该回调
  @Override
  public void onConversationInfoUpdate(List<ConversationInfo> conversationInfoList) {
      Log.i("TAG", "onConversationInfoUpdate, count is " + conversationInfoList.size());
  }

  /// 会话删除回调
  @Override
  public void onConversationInfoDelete(List<ConversationInfo> conversationInfoList) {
      Log.i("TAG", "onConversationInfoDelete, count is " + conversationInfoList.size());
  }

  /// 总的未读数变化回调
  @Override
  public void onTotalUnreadMessageCountUpdate(int count) {
      Log.i("TAG", "onTotalUnreadMessageCountUpdate, count is " + count);
  }
});