Develop a mobile application during a hackathon is not easy, feedback and some tips and tools.

1. iOS development
in a hackathon
by Benjamin Digeon

2. Who’s that man ?
iOS and Ruby developer.
Startup Weekend and Hackathon addict.
Benjamin Digeon Currently working at EcoTa.co.
@Todiann

3. EcoTa.co
• On-demand transportation service.
• We're currently looking for Android and
Ruby developers.

5. Happy Places example
• « See the most fashionable places in a city based on
information from social networks »
• Idea find 3 minutes before the pitch
• The only developer
• 72 hours

7. Goal ?
« Have something functional and beautiful »

8. Native or not ?
vs

11. Data sources
• Facebook Graph : login facebook
required and hard to get data.
• Foursquare : developper API easy to use.

12. Heat Map
• Setting a value to a point (number of
Foursquare checkin in a place)
• Displaying a map with a color gradient in
accordance with the value
• An objective-c library already exist :
https://github.com/ryanolsonk/
HeatMapDemo

13. Let’s code !

14. KISS (Keep it Simple, Stupid )
• Get places with most checkin in
maximum 20km radius on the map.
• Display an HeatMap with them.
• Allow to select the top 5 places.
• 3 categories (bar, food, culture).
• Manual reload

16. Source code
https://github.com/BenjaminDigeon/HappyPlaces

17. Tips

18. Simple is better
Set realistic expectations

20. Don't reinvent the wheel

21. Have fun !

22. Tools

23. Cocoapods
Dependency manager for Objective-C.

24. Alcatraz.io
Package manager for Xcode.

25. github.com/nomad/Shenzhen
• Create .ipa files
• Distribute them with TestFlight,
HockeyApp, DeployGate, iTunes
Connect
• From the command line !

26. Crashlytics

27. Thank you
@Todiann