Setting up the RubyMotion project

Next, let's set up our RubyMotion project; it will include the information we have collected previously.

Entitlements

Entitlements are used during the code-signing part of the build process. Many applications require access to device features; Apple requires you to specify the entitlements if you want to access a specific device feature. This can be added in the Rakefile. The entitlement method in the Rakefile lets you specify the appropriate keys and values in the following way:

Motion::Project::App.setup do |app|
  # ...
  app.entitlements['keychain-access-groups'] = [
    app.seed_id + '.' + app.identifier
  ]
end

In this example, if your application requires access to a keychain to store user credentials, you must send a request for keychain-access-groups by passing the application provisioning identifier and application identifier along with seed_id and the app identifier.

Info.plist settings

To provide the best experience to the users, iOS expects the presence...