changeLanguage method

Future<void> changeLanguage (Locale type)

<p>This function change the app default language.</p> <p>params:</p> <ul> <li><code>type</code> : <code>Locale</code> type, the language need to be updated with.</li> </ul>

Implementation

Future\<void\> changeLanguage(Locale type) async \{
  if the app language is of same [type].
  if (_appLocale == type) \{
    return;
  \}

  if (isTest) \{
    _appLocale = type;
  \} else \{
    final prefs = await SharedPreferences.getInstance();
    if (type == const Locale("es")) \{
      If selected language is spanish
      _appLocale = const Locale("es");
      await prefs.setString('language_code', 'es');
      await prefs.setString('countryCode', 'ES');
    \} else if (type == const Locale("fr")) \{
      If selected language is french
      _appLocale = const Locale("fr");
      await prefs.setString('language_code', 'fr');
      await prefs.setString('countryCode', 'FR');
    \} else if (type == const Locale("hi")) \{
      If selected language is hindi
      _appLocale = const Locale("hi");
      await prefs.setString('language_code', 'hi');
      await prefs.setString('countryCode', 'IN');
    \} else if (type == const Locale("zh")) \{
      If selected language is Chinese
      _appLocale = const Locale("zh");
      await prefs.setString('language_code', 'zh');
      await prefs.setString('countryCode', 'CN');
    \} else if (type == const Locale("de")) \{
      If selected language is Chinese
      _appLocale = const Locale("de");
      await prefs.setString('language_code', 'de');
      await prefs.setString('countryCode', 'GE');
    \} else if (type == const Locale("ja")) \{
      If selected language is Chinese
      _appLocale = const Locale("ja");
      await prefs.setString('language_code', 'ja');
      await prefs.setString('countryCode', 'JP');
    \} else if (type == const Locale("pt")) \{
      If selected language is Chinese
      _appLocale = const Locale("pt");
      await prefs.setString('language_code', 'pt');
      await prefs.setString('countryCode', 'PT');
    \} else \{
      If selected language is english
      _appLocale = const Locale("en");
      await prefs.setString('language_code', 'en');
      await prefs.setString('countryCode', 'US');
    \}
  \}

  notifying the consumers
  notifyListeners();
\}