Rails: Error installing activeadmin

Question

I have a rails project, and i want to install the activeadmin gem . So i have added this to the gemfile :

gem 'activeadmin'
gem "meta_search"

The problem is that when i run the bundle command, i get this error:

Bundler could not find compatible versions for gem "actionpack": In Gemfile: activeadmin (>= 0) ruby depends on meta_search (>= 0.9.2) ruby depends on actionpack (~> 3.0.0.rc2) ruby

less-rails (>= 0) ruby depends on actionpack (4.1.8)

Do you know how can i fix this?

Answer 1

If you are using rails 5.1 or above

gem 'inherited_resources', git: 'https://github.com/activeadmin/inherited_resources'
gem 'activeadmin', git: 'https://github.com/activeadmin/activeadmin'

If you are using rails 4

gem 'activeadmin', github: 'activeadmin/activeadmin', branch: :master

If you are using rails 4 with gem 'mongoid','~> 5.0.0' then add

gem 'activeadmin',  github: 'Zhomart/active_admin', branch: 'mongoid-old'

Try this. Hope it will work :)

Answer 2

代替您的Gemfile中的两个宝石，将它们替换为：

gem 'activeadmin', github: 'activeadmin'

Answer 3

If you are using rails 5 You have to install inherited_resources gem with active_admin

gem 'activeadmin', github: 'activeadmin'
gem 'inherited_resources', github: 'activeadmin/inherited_resources'

Try this.Hope it's helpfull