fetchSupportedLanguages method Null safety

Future<List<EMTranslateLanguage>> fetchSupportedLanguages()

Fetch all languages what the translate service support

Return Supported languages

Throws A description of the exception. See {@link EMError}.

Implementation

Future<List<EMTranslateLanguage>> fetchSupportedLanguages() async {
  Map result = await EMMethodChannel.ChatManager.invokeMethod(
      ChatMethodKeys.fetchSupportLanguages);
  try {
    EMError.hasErrorFromResult(result);
    List<EMTranslateLanguage> list = [];
    result[ChatMethodKeys.fetchSupportLanguages]?.forEach((element) {
      list.add(EMTranslateLanguage.fromJson(element));
    });
    return list;
  } on EMError catch (e) {
    throw e;
  }
}