If you are using Rails 3.0.x then use
gem 'admin_data', '= 1.1.14'
If you are using Rails 3.1.x then use
gem 'admin_data', '= 1.2.1'
Also add following lines to config/application.rb just below the line that says config.assets.enabled = true .
config.assets.precompile += ['admin_data.css', 'admin_data.js']
Before deploying the code to production execute
bundle exec rake assets:precompile
Live demo is available at http://admin-data-demo.heroku.com/admin_data (read only version)
Documentation is available at https://github.com/bigbinary/admin_data/wiki
To execute tests for this gem cd test/rails_root and read the instructions mentioned at README.md there.
Released under MIT License