How can I convert a utf8 string to LATIN1 in Dart?

Question

I have many strings where the accents are converted wrongfully. I take those Strings from an API, so I cannot get them in other encoding formats. As an example, the string é returns as Ã© from the API. Is there any way I can convert these strings to show the accents correctly?

How do you make the call to this web api? If you e.g. are using dart:io you can just get the raw data and parse it manually with the correct charset. — julemand101
– julemand101, Commented May 4, 2020 at 16:43
Also, I am not sure your example are correct. é in UTF-8 translates into C3A9 which in latin1 would be Ã© and not ã© (E3A9). In fact, if you try parse ã© as UTF-8, it will just be parsed as invalid UTF-8. — julemand101
– julemand101, Commented May 4, 2020 at 16:56
Sorry, I inserted the ã© manually and forgot to capitalize the a. I'll edit it. — Caio Coelho
– Caio Coelho, Commented May 4, 2020 at 18:04
@julemand101 I'm using the http/http.dart package to make the API call. — Caio Coelho
– Caio Coelho, Commented May 4, 2020 at 18:06

julemand101 · Accepted Answer · 2020-05-04 18:26:31Z

6

Well, you can try something like this:

import 'dart:convert';

void main() {
  const input = 'Ã©';
  final output = utf8.decode(latin1.encode(input), allowMalformed: true);
  print(output); // é
}

Alternative you can get the response from your web call as bytes by using bodyBytes on the response object: https://pub.dev/documentation/http/latest/http/Response/bodyBytes.html

And parse it with: latin1.decode or whatever charset the server are sending the the data as.

edited May 4, 2020 at 18:26

answered May 4, 2020 at 18:19

julemand101

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