getBool method
Get a value for the given key
Parameters
- IN key The key
- IN defaultValue The default value to return if the key is not found
Returns
- The value for the given key, or the default value if the key is not found
Implementation
bool getBool(final String key, {bool defaultValue = false}) {
  final OperationResult resultString = objectMethod(
    pointerId,
    'SettingsService',
    'getValueBool',
    args: <String, dynamic>{'first': key, 'second': defaultValue},
  );
  return resultString['result'];
}