Kotlin Multiplatform

Kotlin Multiplatform iOS development

Transcript

1. Kotlin Multiplatform
2. @allymcleangames
3. Hello
4. • Kevin Galligan, President of Touchlab • I’ve been coding Android since before the G1, run a mobile dev shop, and since late 2015 have been largely focused on mobile code sharing • I’m going to tell you about Kotlin Multiplatform
6. Kotlin?
7. • Static “Better Java” by Jetbrains • 2011 - Announced • 2016 - v1.0 • 2017 - Google++
9. JVM JS Native
10. JVM JS Native Common
12. Native
13. Native Not Native
14. Native Not Native - Me(h)tal Not Native - Rock
16. –Lemmy Kilmister “It’s Little Richard’s fault, all of it. Little Richard is directly responsible for Motorhead.”
27. • Shared, testable architecture (not UI) • Smooth interop, optional code sharing • Active community • Good tools • Bonus! One platform 100% native K O T L I N M U L T I P L A T F O R M
31. I Can’t See The Future
32. safe bets
36. JVM JS Native Common
37. JVM JS Native Common
38. JVM Native Common
39. JVM Native Common Android Stuff Framework iOS Stuff
40. Common
41. Common mainThread?
49. Typealias
52. Expected a method, was actually there!
62. Status
63. Kotlin/Native at .9
64. Tooling
65. Speed
66. Libraries
81. • 5 React Native • 3 Flutter • 4 Kotlin Multiplatform • ~20% of the content! Cross Platform Droidcon
82. • Serialization • Ktor • I/O • Coroutines Jetbrains
83. Threads
84. State
85. all the code you’ve ever written not frozen frozen
86. all the code you’ve ever written not frozen frozen
87. Frozen is • A special runtime state • Like super-immutable • Only way to share data between threads
88. Data OtherMutable OtherShared Stuff MoreStuff
89. Data OtherMutable OtherShared Stuff MoreStuff
97. It works!
98. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7 v0.8 v0.8.2
99. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7 v0.8 v0.8.2 v0.9 Coroutines (and other libs)
100. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7 v0.8 v0.8.2 v0.9 Coroutines (and other libs)
101. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7 v0.8 v0.8.2 v0.9 Coroutines (and other libs)
102. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7 v0.8 v0.8.2 v0.9 Coroutines (and other libs) v1
103. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7 v0.8 v0.8.2 v0.9 Coroutines (and other libs) v1 Major reactive lib Date/other libs Improved tooling Faster builds
104. Q3 Q2 Q4 Q1 Q2 2018 2019 0 .6 v0.7 v0.8 v0.8.2 v0.9 Coroutines (and other libs) v1 Major reactive lib Date/other libs Improved tooling Faster builds “Mainstream” Big apps Wasm threads
105. 2010 ORMLite ActiveAndroid
106. 2010 ORMLite ActiveAndroid :P
107. 2010 ORMLite ActiveAndroid :P 2018 ORMLite SQLBright SQLDelight Storeio Room Cupboard SugarORM GreenDAO DBFlow Squeeky Ollie Requery Squidb
108. 2018 Knarch.db SQLDelight 2025? MPSettings Jetbrains stuff
110. kevin@touchlab.co @kpgalligan
111. kevin@touchlab.co @kpgalligan Discount code: AndroidSummit