Advanced Topics Android

Google IO Extended 2018 Bangkok

Transcript

2. Inaki Villar @inyaki_mwc Advanced Android Topics
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
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
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
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
48. JIT Returns
49. JIT Returns
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
60. Testing D8/R8 ART Summary
62. Kotlin for Android Developers https://goo.gl/forms/cJO6To3bgYGOMhMJ2
63. Inaki Villar ขอขอบคุณ /Thank you @inyaki_mwc