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Mobile App Development by Will Yeo
- 1. MOBILE APP DEVELOPMENTWill Yeo July 2015
- 2. WHAT I DO:DURING THE DAY MS Office UX developer Develops Office shared controls Especially on mobile platform (tablet/phone)
- 3. WHAT I DO:IN THE EVENING Guitar app (2009) App Review 사랑의 기도 Reference (2013)Photo management (2012) Browser (2014) Hand bell app (2014)
- 4. HOW TO MAKEMILLION DOLLAR APPS I’ll share my story behind app development. There are many different approaches – different objective, team size, budget, time constraint, … Yet there are some commonalties you would catch from my experience. Stop me for any questions!
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- 6. WHAT IT TAKESTO DEVELOP AN APP? XCode
- 7. IDEA – WHATDO YOU WANT TO BUILD? Technology is meant to benefit us, but sometimes tear us apart… Can it help us become closer together?
- 8. IDEA – HANDBELL CHOIR A choir consist of people with mental disability How to teach them to play in harmony? Used color coded panel to signal the time to ring C BD E
- 9. CAN WE MAKEIT BETTER WITH TECHNOLOGY? Synthesia
- 10. WAIT, IS THISALREADY THERE? There are so many apps, and increasing very fast. You have a good idea? Chances are that there’s already an app for that. There are several hand bell apps but not like what I think…
- 11. BEFORE YOU START Device MacBook / Mac Mini iPhone 4 / 5 / 6 Developer account $99/year (Apple), $25/year (Google) LLC (Limited Liability Company) Optional Need registration here and there / tax liability / …
- 12. FEASIBILITY STUDY Business side This is important which I didn’t really pay attention Technical side Cross-platform Good sound font Animation Song management …
- 13. TECHNICAL: CROSS-PLATFORM SUPPORT Doapps need to be multi-platform? Earn more money? Social feature requires multi-platform Resource issues Never done Android development before Tight budget Tight time frame Cross-platform framework – One code to multiple deployment Xamarin: http://xamarin.com/ Cocos2d-x: http://www.cocos2d-x.org/ Titanium: http://www.appcelerator.com/titanium/ Corona SDK: http://coronalabs.com/products/corona-sdk/
- 14. CORONA SDK Chose thisbecause Inexpensive (or free) Graphics support (vs. web based x-plat framework) Accelerometer support OpenAL (sound library) support iOS / Android / Windows support Enough user base and support
- 15. OVERSIMPLIFIED VIEW Editor (e.g.,Sublime) Language: Lua script iOS executable Android executable This can be also published to Windows Store and Amazon App Store (I haven’t done it yet)
- 16. TECHNICAL: HOW TOPLAY GREAT SOUND? Requirement Sound should be clear and beautiful File size matters Things to consider Sound font: Like a building block to synthesize different sounds with minimal size information Pitch modification Short sound / long sound Volume …
- 17. TECHNICAL: ANIMATION Animation iscritical in user experience HTML5 is great but still more ways to catch the fluidness of native apps Cross-platform framework is additional layer and can’t use the hardware rendering that the native apps support Not good, but ok enough for this app
- 18. DESIGN: DO ITYOURSELF My hand App icon that I drew Free, but lots of time for me Icons borrowed from Apple Post-processing took at least 6-7 hours
- 19. ICON DESIGN: FIRSTOUTSOURCING A few iterations on design and colors (work description) 15 Different sizes for iPhone/iPad Outsourced via UpWork.com (formerly oDesk) Designer from Malaysia $100
- 20. ICON DESIGN: SECONDTIMES A few iterations on design and colors 26 Different sizes for iPhone/iPad/Android Outsourced via UpWork.com (formerly oDesk) Designer from Serbia $40
- 21. DESIGN: BELL 3DMODEL 3D model A few iterations on design and colors Outsourced via UpWork.com (formerly oDesk) Designer from India How much? $16.67/hour ~9 hours -> ~$150
- 22. DESIGN: EVERYTHING ELSE Tableborder, background, selection, … Bottom menu – bar, button different state, … Background (chosen from 3 options) Designer from Serbia $240
- 23. OUTSOURCING: TRANSLATION App descriptioninto 9 languages Chinese Japanese Portuguese Spanish German French Arabic Russian Korean About 6 lines of text ~$4 per language -> ~$30 Professional service would charge at least +$200
- 24. TIME LINE Started Aug2015 Published right before Christmas Took 5 man/month Learning new SDK, language, libraries, development, design, etc I have quite challenging day job I have two demanding (but lovely) boys, age 7 and 3 If it were full-time work, probably ~1.5 month (without waiting time for contractors)
- 25. BALANCE SHEET Spending Developer/ business license : ~$250 / year Outsourcing : ~$450 Device purchase: iPhone 6 / MacBook My precious evenings Earning Less than the half I paid for contractors (yet!) Lots of learning
- 26. CLOSURE: MOBILE APPDEVELOPMENT With proper tools, not much more difficult than other SW development Making money isn’t easy (is it else where?) If you really want something, you can outsource the whole process My experience is one data point. There are lots of other experiences our there.
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