Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Advanced Topics Android

Iñaki Villar
July 01, 2018
Technology
0
100

Advanced Topics Android

Google IO Extended 2018 Bangkok

Iñaki Villar

July 01, 2018
Tweet

More Decks by Iñaki Villar

See All by Iñaki Villar
Scaling Android Builds in Pandemic Times
cdsap
1
140
Building Android Projects with kts
cdsap
2
280
The Build Shrugged
cdsap
1
78
State of Testing in Kotlin
cdsap
0
230
Dexs, R8 and 3.3
cdsap
0
350
Deep Dive Work Manager
cdsap
0
280
Kotlin: Server-Client
cdsap
0
87
Droidcon Dubai : Kotlin - Server - Client
cdsap
0
57
Kotlin: Server-Client
cdsap
3
520

Other Decks in Technology

See All in Technology
AI AgentOps LT大会(2025/04/16) Algomatic伊藤発表資料
kosukeito
0
140
Making a MIDI controller device with PicoRuby/R2P2 (RubyKaigi 2025 LT)
risgk
1
100
Road to Go Gem #rubykaigi
sue445
0
470
Mastraに入門してみた ~AWS CDKを添えて~
tsukuboshi
0
240
Porting PicoRuby to Another Microcontroller: ESP32
yuuu
4
410
ElixirがHW化され、最新CPU／GPU／NWを過去のものとする数万倍、高速＋超省電力化されたWeb／動画配信／AIが動く日
piacerex
0
140
SmartHR プロダクトエンジニア求人ガイド_2025 / PdE job guide 2025
smarthr
0
120
4/17/25 - CIJUG - Java Meets AI: Build LLM-Powered Apps with LangChain4j (part 2)
edeandrea
PRO
0
110
彩の国で始めよう。おっさんエンジニアから共有したい、当たり前のことを当たり前にする技術
otsuki
0
150
Automatically generating types by running tests
sinsoku
2
3k
更新系と状態
uhyo
7
1.5k
AIで進化するソフトウェアテスト：mablの最新生成AI機能でQAを加速！
mfunaki
0
140

Featured

See All Featured
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.5k
The Language of Interfaces
destraynor
157
25k
Facilitating Awesome Meetings
lara
54
6.3k
A better future with KSS
kneath
239
17k
Designing for Performance
lara
608
69k
Writing Fast Ruby
sferik
628
61k
A designer walks into a library…
pauljervisheath
205
24k
Stop Working from a Prison Cell
hatefulcrawdad
268
20k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
30
2k
Typedesign – Prime Four
hannesfritz
41
2.6k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
32
5.4k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
251
21k

Transcript

  1. None

  2. Inaki Villar @inyaki_mwc Advanced Android Topics

  3. None

  4. Testing D8/R8 ART

  5. Testing

  6. Android Test • Includes existing libraries • APIs and Kotlin

    • Open Source

  7. • Robolectric 4.0 (alpha) • androidx.test support • Support Espresso

  8. None
  9. None

  10. gradlew clean connectedAndroidTest

  11. gradlew clean connectedAndroidTest gradlew clean test

  12. gradlew clean connectedAndroidTest gradlew clean test

  13. https://proandroiddev.com/robolectric-testing-with-androidjunitrunner-86292bceef25

  14. None
  15. None
  16. None
  17. None
  18. None
  19. None

  20. D8/R8

  21. D8/R8 Kotlin File Java File kotlinc javac class dex apk

  22. D8/R8 Kotlin File Java File kotlinc javac class dex apk

  23. class dex apk

  24. class dex apk

  25. class dex apk

  26. dex

  27. dex

  28. D8/R8 kotlinc javac DX APK < 3.0

  29. D8/R8 kotlinc javac DX APK kotlinc javac DX DX Merging

    APK < 3.0 > 3.0

  30. D8/R8 kotlinc javac Desugar DX 3.0/3.1 APK

  31. D8/R8 kotlinc javac Desugar DX kotlinc javac D8 APK 3.0/3.1

    3.1+ APK

  32. D8/R8 kotlinc javac Desugar DX kotlinc javac D8 APK 3.0/3.1

    3.1+ APK
  33. None

  34. 75% reduced size of MainDexFile Release 56% reduced size of

    MainDexFile Debug 10% reduced time for Debug builds

  35. D8/R8 2nd phase : D8/DX(fully deprecated) - 1 year approx.

    1st phase : D8/DX - 6 months approx. 3rd phase: DX removed from AS

  36. D8/R8

  37. D8/R8 kotlinc javac Proguard D8/DX No R8 APK

  38. D8/R8 kotlinc javac Proguard D8/DX kotlinc javac R8 APK No

    R8 APK

  39. D8/R8 Russia 0 - Spain 3

  40. D8/R8

  41. ART

  42. ART Applications Android Framework ART Native Libraries HAL Kernel

  43. ART Applications Android Framework ART Native Libraries HAL Kernel Dalvik

    Pre Lollipop

  44. ART Dalvik JIT Just In Time AOT Ahead Of Time

  45. ART Dalvik JIT Just In Time AOT Ahead Of Time

    App Run Translate ByteCode to Machine code Less Space Less Memory

  46. ART Dalvik JIT Just In Time AOT Ahead Of Time

    App Install Translate ByteCode to Machine code App Run Faster Better Startup Battery Performance
  47. None

  48. JIT Returns

  49. JIT Returns

  50. None

  51. Memory and Storage Kotlin Cloud Profiles ART

  52. ART

  53. ART

  54. ART

  55. ART Inlining - CheckParameterIsNotNull

  56. ART Inlining - CheckParameterIsNotNull https://blacklenspub.com/inline-function-in-kotlin-adb51b0eab76

  57. Cloud Profiles

  58. Cloud Profiles

  59. None

  60. Testing D8/R8 ART Summary

  61. None

  62. Kotlin for Android Developers https://goo.gl/forms/cJO6To3bgYGOMhMJ2

  63. Inaki Villar ขอขอบคุณ /Thank you @inyaki_mwc