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

Advanced Topics Android

Avatar for Iñaki Villar Iñaki Villar
July 01, 2018
Technology
0
110

Advanced Topics Android

Google IO Extended 2018 Bangkok
Avatar for Iñaki Villar

Iñaki Villar

July 01, 2018
Tweet

More Decks by Iñaki Villar

See All by Iñaki Villar
Scaling Android Builds in Pandemic Times
Avatar for Iñaki Villar cdsap
1
150
Building Android Projects with kts
Avatar for Iñaki Villar cdsap
2
280
The Build Shrugged
Avatar for Iñaki Villar cdsap
1
81
State of Testing in Kotlin
Avatar for Iñaki Villar cdsap
0
250
Dexs, R8 and 3.3
Avatar for Iñaki Villar cdsap
0
360
Deep Dive Work Manager
Avatar for Iñaki Villar cdsap
0
340
Kotlin: Server-Client
Avatar for Iñaki Villar cdsap
0
97
Droidcon Dubai : Kotlin - Server - Client
Avatar for Iñaki Villar cdsap
0
62
Kotlin: Server-Client
Avatar for Iñaki Villar cdsap
3
520

Other Decks in Technology

See All in Technology
How Do I Contact Jetblue Airlines® Reservation Number: Fast Support Guide
Avatar for John thejetblueairhelpsupport
0
150
All About Sansan – for New Global Engineers
Avatar for Sansan, Inc. sansan33
PRO
1
1.2k
三視点LLMによる複数観点レビュー
Avatar for リリカル mhlyc
0
240
AIコードアシスタントとiOS開発
Avatar for jollyjoester jollyjoester
0
160
SRE with AI：実践から学ぶ、運用課題解決と未来への展望
Avatar for Ryo Yoshii yoshiiryo1
0
390
ロールが細分化された組織でSREは何をするか？
Avatar for norimichi.osanai tgidgd
1
450
Four Keysから始める信頼性の改善 - SRE NEXT 2025
Avatar for ozaki-kota ozakikota
0
420
助けて! XからWaylandに移行しないと新しいGNOMEが使えなくなっちゃう 2025-07-12
Avatar for Nobuto Murata nobutomurata
2
210
LLM拡張解体新書/llm-extension-deep-dive
Avatar for oracle4engineer oracle4engineer
PRO
24
6.7k
Deep Security Conference 2025：生成AI時代のセキュリティ監視 /dsc2025-genai-secmon
Avatar for Masayoshi Mizutani mizutani
4
3.1k
Data Engineering Study#30 LT資料
Avatar for tetsuroito tetsuroito
1
330
セキュアなAI活用のためのLiteLLMの可能性
Avatar for Hiroki Takatsuka tk3fftk
1
380

Featured

See All Featured
Site-Speed That Sticks
Avatar for Harry Roberts csswizardry
10
710
What's in a price? How to price your products and services
Avatar for Michael Herold michaelherold
246
12k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
Avatar for Michelle Schulp Hunt marktimemedia
31
2.4k
Sharpening the Axe: The Primacy of Toolmaking
Avatar for Bryan Cantrill bcantrill
44
2.4k
Designing Dashboards & Data Visualisations in Web Apps
Avatar for Des Traynor destraynor
231
53k
Unsuck your backbone
Avatar for Amy Palamountain ammeep
671
58k
GraphQLとの向き合い方2022年版
Avatar for Yosuke Kurami quramy
49
14k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
Avatar for Kevin Liebholz kevinliebholz
34
5.9k
Designing for Performance
Avatar for Lara Hogan lara
610
69k
Why Our Code Smells
Avatar for Brandon Keepers bkeepers
PRO
337
57k
The Success of Rails: Ensuring Growth for the Next 100 Years
Avatar for Eileen M. Uchitelle eileencodes
45
7.5k
The Straight Up "How To Draw Better" Workshop
Avatar for Dennis Kardys denniskardys
235
140k

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