aardbei/app/views/activities/show.html.erb

<h2><%= @activity.public_name %></h2>

<ul>
  <li>Secretly <%= @activity.secret_name %></li>
  <li><%= @activity.description %></li>
  <li><%= @activity.location %></li>
  <li><%= @activity.start %> - <%= @activity.end %></li>
  <li>Deadline <%= @activity.deadline %></li>
</ul>

<h2>Participants (<%= @activity.participants.count %>)</h2>
<ul>
  <% @activity.participants.each do |p| %>
    <li>
      <%= p.person.full_name %>, <%= p.is_organizer %>, <%= p.attending %>
    </li>
  <% end %>
</ul>

<%= link_to 'Edit', edit_group_activity_path(@group, @activity) %> |
<%= link_to 'Back', group_activities_path(@group) %>