Different layout for just one certain page in Rails

I want to have a different layout for just one certain action in my Rails app. How do I do tha开发者_C百科t?

# controller that calls the page
def action
  render :layout => 'other'
end

class MyController < ApplicationController
  layout "special", :only => :action

  def action
    #action code
  end
end

 layout :resolve_layout

  .
  .
  .
     private   
      def resolve_layout
       case action_name
         when "new"
          "alternate"
         else 
          "application"
         end
      end