1. Creating backend rich
android mobile Apps with
appacitive

2. Agenda
FIRST
THIRD
Introduction
Creating a geo located photo
• Problem statement
app
• Our solution
• Features / Server side
• Code walkthrough
SECOND
Overview
• Terminology
• Graph representation
• Some examples
• Platform walkthrough

3. What do we do?
“Help developers build awesome apps
by eliminating the need to build &
manage complex backend
infrastructure..”

4. What problem do we solve?
“Maintaining server side
infrastructure is a
pain in the a** (ahem!!) backend…”

5. Some facts

6. Appacitive 101

7. Terminology
metadata
schema – definition of a data type (e.g. user)
relation – definition of a business
relationship between two schemas (e.g. friend)
actual data
article – an instance of a schema
connection – an instance of a relation.

8. A graph data model
name: Neptune
name: Alceme
type: god
type: god
brother
mother
name: Saturn
name: Jupiter
name: Hercules
type: titan
type: god
type: god
father
father
times: 12
brother
battled
name: Pluto
name: Cerebrus
type: god
type: monster
pet
Ref: http://www.slideshare.net/knowfrominfo/titan-big-graph-data-with-cassandra#btnNext

9. Some examples
name: Top Gun
name: Tom Cruise
type: movie
type: actor
actor
friend
name: Robert
name: Marvel
name:Avengers
Downey Jr.
type: brand
type: movie
type: actor
brand
actor
text: Cool movie!
rating: 4
type: review
name: Iron Man
review
type: movie

10. Under the hood

11. Walkthrough

12. Setting up the back end
features
q user registration
q login
q login with facebook
q location specific photos
q posting a photo
q user specific photos

13. User registration (feature 1 / 6)
• User schema already available inbuilt
• SDK already supports all relevant methods
• No additional code needed.

14. User login (feature 2 / 6)
• Authentication on existing user schema supported out of
the box.
• All relevant methods available in SDK

15. Login with facebook (feature 3/6)
• Login and user registration with facebook and twitter
already supported on platform.
• SDK already supports all relevant methods

16. Location specific photos (feature 4/6)
• Types containing geography(latitude, longitude)
properties automatically support location search.
• Add a property ‘geolocation’ in photo is of type
geography
• Feature implemented as radial search within 50 mi of
phone location

17. Posting a photo (feature 5/6)
• Use inbuilt file upload support.
• Upload new file and generate a public url for the same.
• Use phone gps to resolve location and google to reverse
geolocate the location to an address.
• Create a photo article corresponding to the file and
store the public url in it along with the location and
resolved address.

18. User specific photos (feature 6/6)
• ‘user_photo’ relation between user
and photo to link a user with his
photos. Connection created at the
time of upload.
• X’s photos are same as “all photos
connected to user X with a relation
of type user_photo”.
• Use graph query for run this query.

19. Getting started
• Sign-up for beta access @ www.appacitive.com.
• Download SDKs from
www.github.com/appacitive
• Visit appacitive.github.com for documentations
and quick starts.

20. Connect with us
@appacitive
www.facebook.com/appacitive
connect@appacitive.com

21. Thank You