getString method

@override Future<String?> getString(String key)

Gets a string value

@param key The key to retrieve the string from @return A Future that resolves to the string value or null

Implementation

@override
Future<String?> getString(String key) async {
  if (_cache == null) {
    await _updateCache();
  }
  if (_cache == null) return null;
  return _cache![key] as String?;
}