content: import 'package:flutter/material.dart';
  
  extension LocaleParsing on String {
    Locale parseLocale() {
      assert(contains('_') == true);
      final String languageCode = split('_').first;
      final String countryCode = split('_').last;
      return Locale.fromSubtags(
          languageCode: languageCode, countryCode: countryCode);
    }
  
    String toLangIcon() {
      assert(length == 2);
      switch (toLowerCase()) {
        case 'us':
        case 'en':
          return '🇺🇸';
        case 'ru':
          return '🇷🇺';
        case 'am':
        case 'hy':
          return '🇦🇲';
        default:
          return '🇺🇸';
      }
    }
  
    String toLangName() {
      assert(length == 2);
      switch (toLowerCase()) {
        case 'us':
        case 'en':
          return '${toLangIcon()} English';
        case 'ru':
          return '${toLangIcon()} Русский';
        case 'am':
        case 'hy':
          return '${toLangIcon()} Հայերեն';
        default:
          return '${toLangIcon()} English';
      }
    }
  
    String toLangCode() {
      assert(contains('_') == true);
      return split('_').first;
    }
  }
  
  // context extension to show a toast message
  extension ContextExtension on BuildContext {
    void showToast(String message) {
      ScaffoldMessenger.of(this).hideCurrentSnackBar();
      ScaffoldMessenger.of(this).showSnackBar(
        SnackBar(
          content: Padding(
            padding: const EdgeInsets.only(bottom: 30.0),
            child: Text(message, textAlign: TextAlign.center),
          ),
        ),
      );
    }
  }
  