setFriendListener method
设置关系链监听器
Implementation
Future<void> setFriendListener({
required V2TimFriendshipListener listener,
}) {
final String listenerUuid = Uuid().v4();
this.friendListenerList[listenerUuid] = listener;
return ImFlutterPlatform.instance
.setFriendListener(listener: listener, listenerUuid: listenerUuid);
}