clean
public abstract void cleanRemoteHistoryMessages(ConversationType conversationType, String targetId, long recordTime, RongIMClient.OperationCallback callback)
Clears historical messages stored on the server.
Clears server-side historical messages before the specified timestamp for a specific conversation based on the conversation type and target conversation ID. After successful clearance, only historical messages after this timestamp can be retrieved from the server. Note: The historical message cloud storage feature must be enabled first!
Parameters
conversation
The type of the conversation.
target
The ID of the conversation.
record
The timestamp for clearing messages. 0 <= recordTime <= the sentTime
of the last message in the current conversation. 0 clears all messages; other values
clear messages less than or equal to recordTime.
callback
The callback for clearing messages.