downloadMessageThumbnailInCombine method
- ChatMessage message
~english Downloads the thumbnail if the message has not been downloaded before or if the download fails.
Param message The message object.
Throws A description of the exception. See ChatError. ~end
~chinese 下载消息的缩略图。
Param message 要下载缩略图的消息,一般图片消息和视频消息有缩略图。
Throws 如果有异常会在这里抛出,包含错误码和错误描述,详见 ChatError。 ~end
Implementation
Future<void> downloadMessageThumbnailInCombine(ChatMessage message) async {
  Map result = await ChatChannel.invokeMethod(
      ChatMethodKeys.downloadMessageThumbnailInCombine,
      {"message": message.toJson()});
  try {
    ChatError.hasErrorFromResult(result);
  } on ChatError catch (e) {
    throw e;
  }
}