Apache DeviceMap is a project to create a data repository containing device information, images and other relevant information for all sorts of mobile devices, e.g. smartphones and tablets.
Add device_map to your Gemfile and execute bundle install.
require 'device_map'
user_agent =
'Mozilla/5.0 (Linux; U; Android 4.2.2; En-us; SM-T312 Build/JDQ39) ' \
'AppleWebKit/534.30 (KHTML, Like Gecko) Version/4.0 Safari/534.30'
device = DeviceMap.classify(user_agent)
device.ajax_manipulate_css # => true
device.ajax_manipulate_dom # => true
device.ajax_support_event_listener # => true
device.ajax_support_events # => true
device.ajax_support_getelementbyid # => true
device.ajax_support_inner_html # => true
device.ajax_support_javascript # => true
device.device_os # => "Android"
device.device_os_version # => "2.3"
device.display_height # => 800
device.display_width # => 480
device.dual_orientation # => true
device.from # => "open_db_modified"
device.id # => "GT-I9100"
device.image_inlining # => true
device.input_devices # => "touchscreen"
device.marketing_name # => "Galaxy S II"
device.mobile_browser # => "Android Webkit"
device.mobile_browser_version # => "4.0"
device.model # => "GT-I9100"Pull requests are very welcome!
Please make sure that your changes don't break the tests by running:
$ bundle exec rake