[DroidconBoston2018] Tips for Library Development From a Startup Developer

Transcript

1. Tips for Library Development From a startup developer* Lisa wray @lisawrayz Present *In the style of xkcd Droidcon Boston 2018 edition
2. 4-Year B.S., Course 6 & 21M 8-YEAR
3. Simmons hall Resistance is futile
4. gradle file, day 1 dependencies { implementation appcompat-v7 implementation constraint-layout testImplementation junit androidTestImplementation espresso-core }
5. gradle file, day 7
6. why do this thing, for free, on the internet?
7. why do this thing, for free, on the internet?
8. why do this thing, for free, on the internet?!
9. self-interest
10. self-interest community
 interest
11. How can a library benefit me?
12. How about we take *this* module out? Oh god App jenga Modularity
13. Community help AKA “Other people write your code for free”
14. Apollo GraphQL Ivan (sav007) Mike (FriendlyMike) Brian (BrianPlummer) Shopify AirBNB New York Times ... AND MANY MORE!! FOR ANDROID
15. bare necessity Tee hee!
16. Learn something new KotliN This is so much fun!! Ew.
17. so, you want to make a library
18. Google (62,000) Android Facebook (17,000) React Native, LITHO Size Complexity *Not to scale
19. Google (62,000) Android Facebook (17,000) React Native, LITHO JetBrains (700) Kotlin Square (600) Retrofit, OKHttp You ? Size Complexity *Not to scale
20. You ?
21. Cyril Northcote Parkinson, 1955 “work expands so as to fill all available time.”
22. Parkinson, Cyril Northcote (19 November 1955). "Parkinson's Law". The Economist. London.
 http://www.economist.com/node/14116121 100(2km + p) yn Parkinson’s law: % bureaucrat increase over time K = staff seeking promotion P = career length M = (man) hours worked N = number of units Y = original Staff %
23. brews a hot, caffeinated beverage from coffee beans. Watch 50 Star 1,076 FORK 94 lisawray/Coffeemaker <> Code Issues 21 Pull requests 3 Some other tabs I THINK
24. README.md Coffeemaker Compile ‘com.xwray:coffeemaker:1.5.2 How to use it: New Coffeemaker().brew(Coffee) Watch 50 Star 1,076 FORK 94 lisawray/Coffeemaker <> Code Issues 21 Pull requests 3 Some other tabs I THINK brews a hot, caffeinated beverage from coffee beans.
25. README.md Coffeemaker Compile ‘com.xwray:coffeemaker:1.5.2 How to use it: New Coffeemaker() .setFilter(Filter.standard) .setGrindtype(Grindtype.NORMAL) .setWaterTemperature(195) .setDripspeed(Dripspeed.NORMAL) .brew(Coffee)
26. README.md Coffeemaker Compile ‘com.xwray:coffeemaker:1.5.2 How to use it: New Coffeemaker() .setFilter(Filter.standard) .setGrindtype(Grindtype.NORMAL) .setWaterTemperature(195) .setDripspeed(Dripspeed.NORMAL) .brew(Coffee)
27. README.md Coffeemaker Compile ‘com.xwray:coffeemaker:1.5.2 How to use it: New CoarseGrindCoffeemaker() .brew(Coffee) New SlowDripCoffeemaker() .brew(Coffee)
28. README.md Coffeemaker Compile ‘com.xwray:coffeemaker:1.5.2 How to use it: New Coffeemaker() .setFilter(new Filter()) .setGrindER(New Grinder()) .setWaterHEATER(new heater()) .setpump(new pump()) .brew(Coffee)
29. Feature requests
30. Watch 50 Star 1,076 FORK 94 lisawray/Coffeemaker <> Code Issues 21 Pull requests 3 Some other tabs I THINK Add pasta cooking capability #23 ! Open Julie commented on Oct 2 I’m using this library to make spaghetti and it’s not working well.
31. Watch 50 Star 1,076 FORK 94 lisawray/Coffeemaker <> Code Issues 21 Pull requests 3 Some other tabs I THINK Add pasta cooking capability #23 ! Open Julie commented on Oct 2 I’m using this library to make spaghetti and it’s not working well.
32. Watch 50 Star 1,076 FORK 94 lisawray/Coffeemaker <> Code Issues 21 Pull requests 3 Some other tabs I THINK Add pasta cooking capability #23 ! Open Julie commented on Oct 2 I’m using this library to make spaghetti and it’s not working well.
33. Be your own user technically, It’s *His* dogfood
34. Honesty
35. Blazing fast! Insanely performant! README.md Better than those other stupid libraries! SMALL, EASY LIBRARY TO MAKE COFFEE. DOESN’T AIM TO MAKE ALL TYPES OF BEVERAGES.
36. 2 . 5 . 1 Breaking Changes Bug fix New features
37. 2 . 5 . 0 - alpha 1
38. Questions Some other stuff How to make coffee on android? I’ve tried to make coffee on android, but I can only Seem to make toast. Can someone help me? I made a library that does this for you!! Check out coffeemaker!
39. Google search I’m feeling lucky Google Android library make coffee
40. Testing
41. Watch 50 Star 1,076 FORK 94 lisawray/Coffeemaker <> Code Issues 21 Pull requests 3 Some other tabs I THINK CONVERSATION 5 Commits 1 Files Changed 2 Julie commented on Oct 19 Fix filter leak #57 Fixes problem where coffee can contain bits of grounds Fix coffee filter leak 2d686e0 Open
42. CONVERSATION 5 Commits 1 Files Changed 2 Julie commented on Oct 19 Fix filter leak #57 Fixes problem where coffee can contain bits of grounds Fix coffee filter leak 2d686e0 Open All checks have passed
43. ownership
44. We own everything You make! Big company Also you get tons Of money, Three free meals A day, massages, laundry, a gym on Campus And a new puppy
45. We own everything You make! Medium company Probably. We’ll Change it. Please Don’t Leave us Did your lawyers Leave that in Accidentally?
46. Small company You can wear Batman pajamas To work
47. Competition
48. Type-safe beverage maker for android by hexagon, inc Watch 110 Star 6,032 FORK 479 Hexagon/Coffee <> Code Issues 4 Pull requests 8 README.md Coffee Compile ‘com.hexagon:coffee:1.1.0
49. Type-safe beverage maker for android by hexagon, inc Watch 110 Star 6,032 FORK 479 Hexagon/Coffee <> Code Issues 4 Pull requests 8 README.md Coffee Compile ‘com.hexagon:coffee:1.1.0
50. Type-safe beverage maker for android by hexagon, inc Watch 110 Star 6,032 FORK 479 Hexagon/Coffee <> Code Issues 4 Pull requests 8 README.md Coffee Compile ‘com.hexagon:coffee:1.1.0
51. Deprecation
52. No library is too small
53. Lisa wray @lisawrayz Present Thank you! Droidcon Boston 2018 edition