置顶或取消置顶会话

OpenIMClient.getInstance().conversationManager.pinConversation(
    new OnBase<String>() {
        @Override
        public void onSuccess(String data) {
            markPinRequestSubmitted(conversationID, true);
        }

        @Override
        public void onError(int code, String error) {
            recordConversationPinFailure(code, error);
        }
    },
    conversationID,
    true
);