getFromAsync method

Future<WKChannel?> getFromAsync()

Implementation

Future<WKChannel?> getFromAsync() async {
  if (_from != null) {
    return _from;
  }
  // 从数据库或其他源获取
  _from = await WKIM.shared.channelManager
      .getChannel(fromUID, WKChannelType.personal);
  return _from;
}