loadMessagesWithMsgType method
Future<List<EMMessage?> >
loadMessagesWithMsgType({
- required EMMessageBodyType type,
- int timestamp = -1,
- int count = 20,
- String? sender,
- EMMessageSearchDirection direction = EMMessageSearchDirection.Up,
根据类型获取当前会话汇总的消息
Implementation
Future<List<EMMessage?>> loadMessagesWithMsgType({
required EMMessageBodyType type,
int timestamp = -1,
int count = 20,
String? sender,
EMMessageSearchDirection direction = EMMessageSearchDirection.Up,
}) async {
Map req = this.toJson();
req['type'] = EMMessageBody.bodyTypeToTypeStr(type);
req['timestamp'] = timestamp;
req['count'] = count;
req['sender'] = sender;
req['direction'] = direction == EMMessageSearchDirection.Up ? "up" : "down";
Map result = await _emConversationChannel.invokeMethod(
EMSDKMethod.loadMsgWithMsgType, req);
EMError.hasErrorFromResult(result);
List<EMMessage?> list = [];
result[EMSDKMethod.loadMsgWithMsgType]?.forEach((element) {
list.add(EMMessage.fromJson(element));
});
return list;
}