openurl.rb

# rakefile

  app.info_plist['CFBundleURLTypes'] = [{'CFBundleURLName' => 'nl.ray.lookback', 'CFBundleURLSchemes' => ['ray'] }]  



# app delegate 
  def application(application, openURL:url, sourceApplication:sourceApplication, annotation:annotation)
    p sourceApplication
    p annotation
    p url 
    p url.query
    $u = url
  end