Android 11 Meetups - What’s new in Android Studio

Transcript

1. GDG Incheon What’s new in Android Studio in 4.0, 4.1,

   4.2 HyeonSeok Noh Google Developer Experts for Android

2. GDG Incheon Roadmap 2019 2020 v3.5 Project Marble v3.6 v4.0

   View Binding Emulator - Google Maps UI Leak Detection Design Tool Updates Motion Editor “Live” Layout Inspector Build Analyzer CPU Profiler update v4.1 v4.2

3. GDG Incheon New Logo?!

4. 4.2 Support for Compose Improved instrumentation testing 4.1 Material Design

   Project IDE configuration Dagger navigation Emulator directly Database Inspector Custom View Preview 4.0 Java8 library desugaring Build Analyzer CPU Profiler upgrades New Motion Editor Live Layout Inspector Kotlin Android live templates Updated proguard rules android studio

5. GDG Incheon Stable Android Studio 4.0 • Java8 library desugaring

   • Build Analyzer • CPU Profiler upgrades • New Motion Editor • Live Layout Inspector • Kotlin Android live templates • Updated proguard rules

6. GDG Incheon Lambda Expressions Default interface method try with resource

   … Android Studioীࢲ Java8੉ۆ? 2013 2014 2015 2016 2017 2018 2019 2020 Google I/O 2013 Android Studio ߊ಴ 3.0 ߊ಴ Java 8 ૑ਗ द੘ (D8)

7. GDG Incheon Android Gradle Plugin 3.0.0+ https://developer.android.com/studio/write/java8-support

8. GDG Incheon Android Gradle Plugin 3.0.0+ https://developer.android.com/studio/write/java8-support

9. GDG Incheon Sample, Required APIs Using time/stream

10. Default

11. java.time.LocalDate ࢎਊ઺ Default

12. java.time.LocalDate ࢎਊ઺ Default java.util.stream.Stream ࢎਊ઺

13. GDG Incheon Lambda Expressions Default interface method try with resource

    … Android Studio 4.0+ 2013 2014 2015 2016 2017 2018 2019 2020 3.0 ߊ಴ Java 8 ૑ਗ द੘ (D8) 4.0 ߊ಴ Support Java API Desugar (D8) min APIী ৔ೱਸ ߉૑ঋҊ Java ঱য੄ APIܳ ࢎਊоמ Google I/O 2013 Android Studio ߊ಴

14. GDG Incheon coreLibraryDesugaringEnabled android { compileOptions { // ࢜۽਍ ঱য

    APIܳ ૑ਗೞӝ ਤೠ Flag coreLibraryDesugaringEnabled true // Java compatibility ࢸ੿ী Java 8 ੸ਊ sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } } dependencies { coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.0.9' } android { defaultConfig { // minSdkVersion 20 ੉ೞੋ ҃਋ ೙ࣻ multiDexEnabled true } }

15. GDG Incheon coreLibraryDesugaringEnabled ੸ਊ റ Clear Required API

16. Java 8 API ࢎਊਸ ਤೠ ഐജࢿ ӝ߈੄ ੿ࠁо ୶оؽ ੸ਊ

    ੹ࠁ׮ ਊ۝ ૐо Desugar

17. Desugar j$.time.LocalDate ࢎਊ઺ LocalDate.now()

18. Desugar j$.time.LocalDate ࢎਊ઺ j$.util.stream.Stream ࢎਊ઺ LocalDate.now() stream()

19. GDG Incheon Supported APIs Android Gradle plugin 4.0.0 or higher

    • java.util.stream • java.time • java.util.function • java.util.{Map,Collection,Comparator} • java.util.Optional, java.util.OptionalInt, java.util.OptionalDouble • java.util.concurrent.atomic (new methods on AtomicInteger, AtomicLong, AtomicReference) • ConcurrentHashMap (with bug fixes for Android 5.0) https://developer.android.com/studio/write/java8-support#library-desugaring

20. GDG Incheon Summary .java .javac .class 3rd party libs D8/R8

    App .dex(s) j$ .dex Library desugaring j$.util.stream j$.time … {

21. // build.gradle (Default) android { buildFeatures { buildConfig = true

    viewBinding = false dataBinding = false aidl = true renderScript = true resValues = true shaders = true } } New options to enable or disable build features GDG Incheon • ਗೞח ӝמ ױਤ ഝࢿച оמ • Module ױਤ build Configuration ࢸ੿ Deprecated android { dataBinding.enabled = false viewBinding.enabled = false }

22. Project-wide default settings GDG Incheon // project gradle.properties android.defaults.buildfeatures.viewbinding=true android.defaults.buildfeatures.databinding=true

    android.defaults.buildfeatures.aidl=true android.defaults.buildfeatures.buildconfig=true android.defaults.buildfeatures.renderscript=true android.defaults.buildfeatures.resvalues=true android.defaults.buildfeatures.shaders=true • Project ੹୓ ӝࠄ ࢸ੿ ୊ܻ

23. GDG Incheon on AGP 4.0+ on Android Studio 4.0+ Analyze

    the project's build performance Build… ing… ing…

24. GDG Incheon Build Analyzer • ࠽٘ दрਸ Ѿ੿ೞח ೦ݾٜਸ ࠙ࢳ

    • Task ѐࢶਵ۽ ੹୓ ࠽٘ दрਸ ઴ੌ ࣻ ੓ח ನੋ౟ https://developer.android.com/studio/build/build-analyzer

25. GDG Incheon Build Analyzer ~ Example

26. GDG Incheon Build Analyzer Pluginsਵ۽ ߊࢤೞח दр ഛੋ OSS ۄ੉ࣃझ

    јन਷ ݒ ࠽٘दী јनೡ ೙ਃח হ׮ (੹୓ ઺ 313s / 68.2%)

27. GDG Incheon Build Analyzer ~ Tasks • Critical Path Task੄

    दрਸ ഛੋ • ࠽٘ दрਸ Ѿ੿ೞח ઱ਃ Taskܳ ഛੋ

28. GDG Incheon Build Analyzer ~ Tasks Critical Path Task

29. GDG Incheon Build Analyzer ~ Tasks Critical Path Task

30. GDG Incheon Build Analyzer ~ Warnings ೦࢚ ز੘ೞח Taskо ੓ח

    ҃਋, 1. Task ࣻ੿ 2. Library Issue ١۾

31. GDG Incheon Advanced Tips ~ Build Scan ./gradlew assembleDebug --scan

    https://guides.gradle.org/creating-build-scans/

32. GDG Incheon Upgrade CPU Profiler Inspect system traces : https://developer.android.com/studio/profile/cpu-profiler#inspect-traces

    • CPU Profiler UI ѐࢶ • ೠ ߣী ݽٚ झۨ٘ܳ ഛੋ (Redner, App-Main, Others Thread) • ؊਌ ૒ҙ੸ਵ۽ ఐ࢝ • ࠙ࢳ ಁօ ѐࢶ

33. GDG Incheon CPU Profiler GDG Incheon

34. GDG Incheon CPU Profiler GDG Incheon Timeline Analysis

35. GDG Incheon CPU Profiler GDG Incheon

36. GDG Incheon Inspect system traces • ఋ੐ ۄੋীࢲ੄ п झۨ٘ীࢲ

    ߊࢤೞח ੉߮౟ • ݽٚ CPU ௏যীࢲ झۨ٘ ഝز • UI झۨ٘ ߂ ೐ۨ੐ ࣘب ੷ೞܳ ਬߊೞח ߽ݾ അ࢚ ഛੋ GDG Incheon

37. GDG Incheon Design tools

38. GDG Incheon Design Tools Timeline 2.2 3.0 3.3 3.4 3.5

    3.6 4.0 Layout Editor Alpha Layout Editor Navigation Editor Resource Manager Project Marble Constraint Layout Motion Layout Motion Editor

39. GDG Incheon Split View update UX • Code/Split/Design View ੹ജ

    ѐࢶ • ఫझ౟ о੉٘ ୶о

40. GDG Incheon Material Icons Filled Outlined Rounded Sharp Two Tone

    • 1,000+ icons • 5 ઙܨ੄ ప݃ File > New > Image Assert / Vector Assert

41. GDG Incheon Motion Editor • Required ConstraintLayout 2.0.0-beta3

42. Demo

43. GDG Incheon Live Layout Inspector • 3D View (Rotate View)

    • Live Updates • Modify Layer Spacing • Required API Level 29+ on Devices

44. Layout Inspector Example

45. Issues https://issuetracker.google.com/issues/157714512 GDG Incheon

46. GDG Incheon Property value resolution stack • ܻࣗझ ч੉ द੘غח

    ਤ஖ܳ ઑࢎ • Override غח ܻࣗझ ഛੋ https://developer.android.com/studio/releases#4-0-0-live-layout-inspector

47. Property value resolution stack

48. GDG Incheon Layout Validation ۨ੉ইਓ੄ ਬബࢿ Ѩࢎ (Multi Devices, Color,

    Font Size)

49. Layout Validation

50. Color Blind

51. Font Sizes

52. Custom Validation ୶о ജ҃ ࢸ੿ਵ۽ Preview ഛੋ

53. GDG Incheon Kotlin Android live templates Preferences | Editor |

    Live Templates

54. GDG Incheon Smart editor for code shrinker rules • R8

    ௏٘ ୷ࣗ ӏ஗ ౵ੌ(proguard-rules.pro)ਸ ৌ ٸ झ݃౟ ಞ૘ӝ ӝמ • Class, Method, Field ী ؀ೠ ࡅܲ ఐ࢝җ Rename ૑ਗ

55. GDG Incheon Smart editor for code shrinker rules

56. GDG Incheon Beta 5 Android Studio 4.1 • Material Design

    Project • IDE configuration • Dagger navigation • Emulator directly • Database Inspector • Custom View Preview

57. Material Design Components : Updated themes and styles Android Studio

    4.1 ࠗఠ ݠ౭ܻ঴ ٣੗ੋ੉ ӝࠄ ੸ਊ

58. Material Design Components

59. Material Design Components ~4.0 : colorPrimary 4.1+ : purple_500 ex)

60. Material Design Components

61. Material Design Components Support Dark Theme

62. GDG Incheon Configuration directory changes Window macOS Linux Syntax: %APPDATA%\Google\<product><version>

    Example: C:\Users\YourUserName\AppData\Roaming\Google\AndroidStudioPreview4.1 Syntax: ~/Library/Application Support/Google/<product><version> Example: ~/Library/Application Support/Google/AndroidStudioPreview4.1 Syntax: ~/.config/Google/<product><version> Example: ~/.config/Google/AndroidStudioPreview4.1 IntelliJ IDEA 2020.1 | Default IDE directories

63. GDG Location Dagger navigation support GDG Incheon New gutter actions

    Dagger ҙ۲ ௏٘ܳ औѱ ఐ࢝ ੄ઓࢿ ҕә੗(Provider) ఐ࢝ ੄ઓࢿ ࢎਊ੗(Related) ఐ࢝

64. Dagger navigation Example GDG Incheon

65. Emulator directly ীޯۨ੉ఠܳ built-in प೯ GDG Incheon

66. GDG Incheon Emulator directly

67. GDG Incheon Emulator directly ୶о ஶ౟܀ ӝמ • Show Zoom

    Controls

68. GDG Incheon Emulator directly ୶о ஶ౟܀ ӝמ • Show Zoom

    Controls • Crop Device Frame

69. Launch in a tools window AS 4.1 or Higher Preferences

    | Tools | Emulator Emulator੄ प೯ ਤ஖ܳ ߸҃ • On : IDEী ࠽౟ੋػ ഋక • Off : ӝઓ ߑध

70. GDG Incheon Database Inspector A live database tool (AS 4.1

    Canary 6+) • Query database • Table ؘ੉ఠ ୓௼ ߂ ࣻ੿ • Room/Sqlite ૑ਗ image caption : https://medium.com/androiddevelopers/database-inspector-9e91aa265316 • Live Updates • Run Query Action

71. GDG Incheon Navigate Menu • View - Tools Windows -

    Database Inspector • ೞױ Tool ݫ׏ - Database Inspector GDG Incheon

72. Database Inspector Required min API Level 26 (Oreo) GDG Incheon

73. Database Inspector Inspection App ࢶఖ GDG Incheon

74. Database Inspector DB / Table ഛੋ @Query ۽ ੿੄ػ Action

    प೯ (Database Inspectionदী݅ ഝࢿച) GDG Incheon

75. GDG Incheon GDG Location Sqlite statement Example

76. GDG Incheon Update table Example GDG Incheon

77. GDG Incheon Live updates Example GDG Incheon

78. GDG Incheon Custom View Preview

79. GDG Incheon android studio 4.0

80. GDG Incheon android studio 4.0

81. Custom View (code) GDG Incheon android studio 4.1

82. GDG Incheon Updated CPU Profiler https://developer.android.com/studio/preview/features#4.1-ui-upgrades • Box selection •

    Summary tab • Add SurfaceFlinger and VSYNC on Display Data

83. CPU Profiler on AS 4.1 GDG Incheon

84. GDG Incheon Recurring trace event • ӝࠄ trace (Count, Average,

    Max, Min …) • о੢ ӟ प೯ ୊ܻ ഛੋ

85. GDG Incheon Canary 5 Android Studio 4.2 • Support for

    Jetpack Compose • Improved instrumentation testing

86. GDG Incheon Jetpack Compose

87. GDG Incheon Jetpack Compose Android ୭न UI toolkit • ࢶ঱੸ੋ

    UI Patterns • ੸਷ ࣻ੄ ௏٘ • ૒ҙ੸ • ࡅܲ ѐߊ җ੿ • ъ۱ೠ ࢿמ • Unbundled UI ஹನք౟ • Kotlin API ࢎਊ • അ੤ח Developer Preview Jetpack Compose : https://developer.android.com/jetpack/compose GDG Incheon

88. GDG Incheon 2020.07 0.1.0-dev15 2019.10 0.1.0-dev01 2010.01 0.1.0-dev04 2019.05

89. GDG Incheon New Jetpack Composetooling • Compose preview • Interactive

    preview • Deploy to device GDG Incheon

90. GDG Incheon Compose preview GDG Incheon

91. GDG Incheon PreviewParameter

92. GDG Incheon • Tools Attribute੄ Sample Data৬ ਬࢎ • ױੌ

    ۨ੉ইਓਸ ࠂࣻ ؘ੉ఠ۽ ഛੋೞҊ र ਷ ҃਋ী ਬਊೣ • PreviewParameterProvider • Data ઁҕਸ ҳഅೞח ੋఠಕ੉झ • PreviewParameter • Data ࣻन੗ܳ ૑੿ೞח Annotation PreviewParameter GDG Incheon

93. GDG Incheon Interactive preview • Composable ױਤ۽ Preview प೯ •

    पઁ৬ زੌೞѱ ز੘

94. GDG Incheon Interactive preview

95. Deploy Preview

96. Deploy Preview

97. GDG Incheon Improved instrumentation testing

98. GDG Incheon Improved instrumentation testing

99. GDG Incheon Improved instrumentation testing

100. GDG Incheon Emulators

101. Foldables • Foldable ױ݈੄ Hinge ૑ਗ • Emulator Extended controls

     > Virtual sensors ীࢲ ߸҃ • അ੤ח ࣻزਵ۽ config.ini ী Hinge ੑ۱ਵ۽ ഝࢿച https://androidstudio.googleblog.com/2020/06/emulator-30017-canary.html

102. GDG Incheon Hinge angle sensor hw.sensor.hinge = yes hw.sensor.hinge.count =

     2 hw.sensor.hinge.ranges = 0-360,0-360 hw.sensor.hinge.defaults = 180,180 hw.sensor.hinge.areas = 0-987-1440-0, 0-1974-1440-0 hw.sensor.posture_list = 1, 2, 3, 4 hw.sensor.hinge_angles_posture_definitions = 0-30 & 0-30, 30-150 & 30-150, 150-210 & 150-210, 210-360 & 210-360 https://cs.android.com/android/platform/superproject/+/master:prebuilts/ android-emulator/linux-x86_64/lib/hardware-properties.ini;l=535 Add lines to ~/.android/avd/avdName.avd/config.ini

103. GDG Incheon Create AVD • Open AVD (on 4.1 or

     Higher) • Category > Tablet • Create 13.5” Freeform

104. GDG Incheon

105. v4.0 Motion Editor “Live” Layout Inspector Layout Validation Custom View

     Preview CPU Profiler Update R8 Rules Editing Build Analyzer Dynamic Feature Dependency Intellij 2019.3 android studio Database Inspector Dependency Injection tools Faster Apply Changes Gradle Config Caching Android Emulator in IDE Instrumentation Testing Profiler UI Updates Native Memory Profiling New Gradle API MLKit & TFLite Model Import Intellij 2020.1 Wireless ADB Debugging Compose Interactive Preview Compose Animation Visualization ConstraintLayout Visualization Compose Theme Preview Compose Deploy to Device Sample Data API for Compose Compose Editing Support Test Failure Retention Intellij 2020.2 v4.1 v4.2

106. GDG Incheon Reference Android Studio Release • https://developer.android.com/studio/releases#4-0-0 • https://developer.android.com/studio/preview/features#4.1

     • https://developer.android.com/studio/preview/features#4.2 • https://android-developers.googleblog.com/2020/05/android-studio-4.html Medium • https://medium.com/androiddevelopers/layout-inspector-1f8d446d048 • https://medium.com/androiddevelopers/database-inspector-9e91aa265316 • https://medium.com/androiddevelopers/whats-new-in-android-studio-system-trace-5841465c5935 • https://medium.com/androiddevelopers/support-for-newer-java-language-apis-bca79fc8ef65 • https://medium.com/androiddevelopers/dagger-navigation-support-in-android-studio-49aa5d149ec9 • https://medium.com/androiddevelopers/android-at-large-how-to-bring-optimized-experiences-to-the-big-screen- a50a6784e59d

107. GDG Incheon Thanks!! http://pluu.github.io @pluulove