submit_button.rb

class SubmitButton < UIButton
  def self.make(params={})
    # return instance of SubmitButton (or any subclass)
    @submitButton = self.buttonWithType(UIButtonTypeRoundedRect)
    @submitButton.frame = params[:frame]

    # defaults
    @submitButton.titleLabel.font = UIFont.systemFontOfSize(14)
    @submitButton.titleLabel.text = "Submit"
    @submitButton.titleLabel.backgroundColor = UIColor.grayColor

    @submitButton
  end
end

# Usage:
# btn = SubmitButton.make(:frame => [[50, 325],[50, 50]])
# view.addSubview(btn)