app/controllers/application_controller.rb
class ApplicationController < ActionController::Base
protect_from_forgery
respond_to :html, :mobile
before_filter :authenticate_user!, :except => [ :index ]
private
def mobile_device?
if session[:mobile_param]
session[:mobile_param] == "1"
else
request.user_agent =~ /Mobile|webOS/
end
end
helper_method :mobile_device?
def prepare_for_mobile
session[:mobile_param] = params[:mobile] if params[:mobile]
request.format = :mobile if mobile_device?
end
end