ChatEventHandler class

~english The chat event handler.

This handler is used to check whether messages are received. If messages are sent successfully, a delivery receipt will be returned (delivery receipt needs to be enabled: ChatOptions.requireDeliveryAck. If the peer user reads the received message, a read receipt will be returned (read receipt needs to be enabled: ChatOptions.requireAck). This API should be implemented in the app to listen for message status changes.

Adds chat event handler:

  ChatClient.getInstance.chatManager.addEventHandler(UNIQUE_HANDLER_ID, ChatEventHandler());

Removes a chat event handler:

  ChatClient.getInstance.chatManager.removeEventHandler(UNIQUE_HANDLER_ID);

~end

~chinese Chat 事件监听。

用于监听收消息，已读回执，等回调。

添加监听：

  ChatClient.getInstance.chatManager.addEventHandler(UNIQUE_HANDLER_ID, ChatEventHandler());

移除监听：

  ChatClient.getInstance.chatManager.removeEventHandler(UNIQUE_HANDLER_ID);

~end