devise Devise & OmniAuth Multiple Providers Add Social Media Account Keys in devise.rb
Example
For Facebook
config.omniauth :facebook, facebook_app_id, facebook_secret_key, :display => "popup", :scope => 'email,publish_actions', info_fields: 'email,name'
For Twitter
config.omniauth :twitter, twitter_app_id, twitter_secret_key, :display => "popup", :scope => 'email'
For Linkedin
config.omniauth :linkedin, linkedin_app_id, linkedin_secret_key, :display => "popup", :scope => 'r_emailaddress,r_basicprofile'
For Google+
config.omniauth :gplus, gplus_app_id, gplus_secret_key, :display => "popup", scope: 'userinfo.email, userinfo.profile'
Note: the
display: "popup"attribute is used when we want social media signup to open in a separate browser window.
