getKeys method

@override Set<String> getKeys()

Get all preference keys

Implementation

@override
Set<String> getKeys() {
  if (prefix == '') {
    return sharedPreferences.getKeys();
  }

  final result = <String>{};
  for (final key in sharedPreferences.getKeys()) {
    if (key.startsWith(prefix)) {
      result.add(key.substring(prefix.length));
    }
  }

  return result;
}