Main Page of the UI (including pictures for advertising and links to create account, log-in and hot pages.) 
Events (Posted, Plan to attend, Interested, Attended) 
Your dog’s page( to view, upload picture, edit info) 
Search (Users can search dog, owners, actively, location. Results use a map to show the locations)
Host Activity and Invitaions. (Post an activity and invite others to join.)
Another design after log-in (Highlight recent messages such as news, invitations, recommendations)
one more option