Rubymotion 2.3 crashes when using NSKeyedUnarchiver. Replay this by doing: user = User.new(name: 'name') user.save User.load

persistence_crash

class User
  KEY = 'user'
  PROPERTIES =  [:name, :id]
  PROPERTIES.each { |prop|
    attr_accessor prop
  }

  def initialize(attributes = {})
    attributes.each { |key, value|
      self.send("#{key}=", value) if PROPERTIES.member? key.to_sym
    }
  end

  # this is an initializer, so should return `self`
  def initWithCoder(decoder)
    self.init
    self.name = decoder.decodeObjectForKey('name')
    self.id = decoder.decodeObjectForKey('id')
    self
  end

  # called when saving an object to NSUserDefaults
  def encodeWithCoder(encoder)
    encoder.encodeObject(self.name, forKey: 'name')
    encoder.encodeObject(self.id, forKey: 'id')
  end

  def save
    defaults = NSUserDefaults.standardUserDefaults
    post_as_data = NSKeyedArchiver.archivedDataWithRootObject(self)
    defaults[KEY] = post_as_data
  end

  def self.load
    defaults = NSUserDefaults.standardUserDefaults
    user_as_data = defaults[KEY]
    NSKeyedUnarchiver.unarchiveObjectWithData(user_as_data)
  end
end