One-to-One Chat Message Receipt

Send Read Receipt

When user A sends a message to user B, after user B calls the send read receipt interface, user A will receive a read notification in the receipt listener.

Method

Future<int> sendPrivateReadReceiptMessage(String targetId, String? channelId, int timestamp, {IRCIMIWSendPrivateReadReceiptMessageCallback? callback});

Parameter Description

Parameter	Type	Description
targetId	String	Conversation ID
channelId	String	Channel ID, only supported for ultra groups. For other conversation types, pass null.
timestamp	int	The timestamp of the last read message in the conversation
callback	IRCIMIWSendPrivateReadReceiptMessageCallback	Event callback. The SDK supports callback-based responses starting from version 5.3.1. Other callback methods for this interface are deprecated as of version 5.4.0. If the callback parameter is provided, only the callback will be triggered.

Return Value

Return Value	Description
Future<int>	The status code of the current interface operation. 0 indicates a successful call. The specific result needs to be implemented in the interface callback. Non-zero indicates that the current interface call operation failed, and the interface callback will not be triggered. For detailed errors, refer to the error codes.

Code Example

IRCIMIWSendPrivateReadReceiptMessageCallback? callback = IRCIMIWSendPrivateReadReceiptMessageCallback(onPrivateReadReceiptMessageSent: (int? code) {
//...
});

int? ret = await engine?.sendPrivateReadReceiptMessage(targetId, channelId, timestamp, callback:callback);

Callback Method

• onPrivateReadReceiptMessageSent

  Listener for the result of the interface call.

Function(int? code, String? targetId, String? channelId, int? timestamp)? onPrivateReadReceiptMessageSent;

Parameter Description

Parameter	Type	Description
code	int	The status code of the interface callback. 0 indicates success, non-zero indicates an exception.
targetId	String	Conversation ID
channelId	String	Channel ID, only supported for ultra groups. For other conversation types, pass null.
timestamp	int	Timestamp

Code Example

engine?.onPrivateReadReceiptMessageSent = (int? code, String? targetId, String? channelId, int? timestamp) {
//...
};

Set Message Receipt Listener

Set the message receipt listener to receive message receipts.

Method

Function(String? targetId, String? channelId, int? timestamp)? onPrivateReadReceiptReceived;

Parameter Description

Parameter	Type	Description
targetId	String	Conversation ID
channelId	String	Channel ID, only supported for ultra groups. For other conversation types, pass null.
timestamp	int	The sendTime of the last read message

Code Example

engine?.onPrivateReadReceiptReceived = (String? targetId, String? channelId, int? timestamp) {
//...
};