What it takes to build an app

During a Summerschool at the Universiteit van Amsterdam I Introduced app development to students who were taking a course in programming. Most of them were new to the subject of programming, so I tried to give more background information instead of being technical.

Transcript

1. UvA Summerschool What it takes to build an app
2. About Egeniq 2 “Smart apps for smart devices”
3. Pathé Thuis App ‘App of the week’ at nu.nl 4.5 (out of 5) stars at iCulture 3
4. Pathé Thuis App - Guiding principles 4 Simplicity Do one thing right (watching movies) User friendly Intuitive Quality
5. Pathé Thuis App - Guiding principles 5 Modern features Integrations Easier for user / harder for developer
6. Pathé Thuis App - Guiding principles 6 Top content ‘Premium’ look and feel
8. 8 Newsletters Wallets Streaming Trailers Ratings Tickets User data Metadata DRM Reviews App CRM SEO Movie Windows Payments Vouchers
9. 9 Graphical Design Interaction Design Functional Design Technical Design Security Hosting Maintenance Monitoring Marketing Sales Content Management Licensing Project App Review App APIs Performance Testing Multi Platform SCRUM
10. Multi platform complexity 10 Platform ipad tv web xbox android ???
11. The ‘What’ and the ‘Why’ Functional Design
13. Functional Design WHY > WHAT 13
14. Expectation Management 14
15. Scenario’s, abstracting features 15 My rented movies Featured movies Featured movie collections Recommendations Popular movies
16. The ‘How’ Interaction Design
17. 17 “Design is not just what it looks like. Design is how it works.”
18. 18 Frames of interaction Source: http://mattgemmell.com/2011/07/22/apps-vs-the-web/ 1 frame 2 frames 3 frames
19. Making it pretty Graphical Design
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21. Under the hood Technical Design
22. Abstractions 22 App Optimized API
23. Architecture 23
24. 24 Multi Platform Development - Crossplatform tools Instant Coffee
25. Building the app Development
26. Communication is key 26
27. SCRUM Process at Egeniq 27 ‣ Concept leads to an estimate of amount of work ‣ Initial estimates form a budget ‣ Budget is used to develop the app ‣ Keeping an eye on budget, changes during the project are welcomed ‣ Deadline and budget are defined up front, functionality will be flexible Concept Estimate Project Budget
28. SCRUM Process at Egeniq 28 ‣ Develop in multiple cycles (sprints) ‣ Each sprint allows project improvements, new ideas, changes in features ‣ The last couple of sprints each deliver a working product that is ‘app store ready’ ‣ While app is being reviewed, next sprint is executed Design Code Test Polish App Store Review Evaluate
29. Development process 29 Develop Branch Feature Branch Code Commit Pull Request Code Review Merge New feature
30. Social Coding 30
31. A lesson from open source 31 Given enough eyeballs, all bugs are shallow - Eric S. Raymond
32. Continuous Integration 32 ‣ Automatic builds ‣ Build validation ‣ Build distribution ‣ https://buildozer.io
33. Our responsibility as a developer ‣Respect user privacy ‣Collect only what you need ‣Be open about what you collect ‣Treat data responsibly ‣Write secure code ‣Follow common security best practices ‣Protect data (server, device, transport) ‣Don’t invent your own wheels (standards!) 33
34. Making sure it works right Testing (QA)
35. ‣QA process is integral part of process •Quality is flexible ‣Testing method & practices •Automated testing (Unit testing) •Manual testing •User Interface testing •Client environment testing (OS versions, hardware) 35
36. Getting it live Deployment
37. App Review 37 Automated checks Manual Review Reject Ready for Sale Automated checks Ready for Sale Automated checks tip: http://appreviewtimes.com
38. Performance & Scalability - RTL Nieuws App Launch 38
39. Performance & Scalability - RTL Nieuws App Launch 39 ‣ News item had > 1 million TV viewers ‣ 40.000 installs on day 1 •30% of which in 5 minutes following news item ‣ ~ 100.000 apps installed in week 1 ‣ No 1 app store position for 16 days in a row ‣ Over 1.000.000 installs after a couple of years
40. Predict Usage Patterns Everybody watches movies at roughly the same time Friday, Saturday after 20.30 Holidays 40
41. Keeping it alive Maintenance
44. You’re never alone Communities
45. 45 Communities appsterdam.rs cocoaheads.nl dutchaug.org
46. If you become a programmer A couple of tips
47. 47 Passion
48. Take It One Step At A Time
49. Pick a new technology Explore Get Comfortable Master
50. “Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away”
    Antoine de Saint-Exupéry
51. Shameless self promotion http://nwaysbook.com 51
52. Inspiration 52 “Stay Hungry, Stay Foolish” Steve Jobs 2005 Stanford Commencement Address https://www.youtube.com/watch?v=UF8uR6Z6KLc
53. Thank you! Questions? ivo@egeniq.com Ivo Jansch @ijansch