TranslateWholeApp

import 'package:translator/translator.dart';

class TranslateWholeApp {
  final translator = new GoogleTranslator();

  var languages = {
    'Latvian': 'lv',
    'Bulgarian': 'bg',
    'Lithuanian': 'lt',
    'Catalan': 'ca',
    'Macedonian': 'mk',
    'Chinese Simplified': 'zh-CN',
    'Malay': 'ms',
    'Chinese Traditional': 'zh-TW',
    'Maltese': 'mt',
    'Croatian': 'hr',
    'Norwegian': 'no',
    'Czech': 'cs',
    'Persian': 'fa',
    'Danish': 'da',
    'Polish': 'pl',
    'Dutch': 'nl',
    'Portuguese': 'pt',
    'English': 'en',
    'Romanian': 'ro',
    'Esperanto': 'eo',
    'Russian': 'ru',
    'Estonian': 'et',
    'Serbian': 'sr',
    'Filipino': 'tl',
    'Slovak': 'sk',
    'Finnish': 'fi',
    'Slovenian': 'sl',
    'French': 'fr',
    'Spanish': 'es',
    'Galician' '': 'gl',
    'Swahili': 'sw',
    'Georgian': 'ka',
    'Swedish': 'sv',
    'German': 'de',
    'Tamil': 'ta',
    'Greek': 'el',
    'Telugu': 'te',
    'Gujarati': 'gu',
    'Thai': 'th',
    'Haitian Creole': 'ht',
    'Turkish': 'tr',
    'Hebrew': 'iw',
    'Ukrainian': 'uk',
    'Hindi': 'hi',
    'Urdu': 'ur',
    'Hungarian': 'hu',
    'Vietnamese': 'vi',
    'Icelandic': 'is',
    'Welsh': 'cy',
    'Indonesian': 'id',
    'Yiddish': 'yi'
  };

  Future<String> _goTranslate(
      {String textToTranslate, String languageToTranslate}) async {
    String translated;
    translated = await translator.translate(textToTranslate,
        from: 'en', to: languageToTranslate);
    return translated;
  }

  Map<String, String> goTranslateListOfString(
      {Map<String, String> mapOfStrings, String languageToTranslate}) {
    Map<String, String> resultMap = {};
    String result;

    mapOfStrings.forEach((key, value) async {
      result = await _goTranslate(
          textToTranslate: value, languageToTranslate: languageToTranslate);
      print(result);
      resultMap.putIfAbsent(key, () => result);
      print(resultMap.toString());
    });

    return resultMap;
  }
}