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android / platform / frameworks / support / 1af28fa5404e817946553a240f5c21818aaa6c65
commit1af28fa5404e817946553a240f5c21818aaa6c65[log] [tgz]
authorShalom Gibly <sgibly@google.com>Wed Aug 03 04:08:11 2022 -0700
committerShalom Gibly <sgibly@google.com>Mon Aug 15 12:44:44 2022 -0700
tree705ecfe01208f25e1301f1a306e237d5e9a50e08
parenta279b133aa0371f4ba3e9fb9c7c9a7cc78cc60d9 [diff]
Updates to the M3 top app bar to support snapping

- Experimental API changes to support snapping behavior when the app bar
  is flinged or dragged into an intermediate state where its partially
  collapsed. This change ensures that the app bar snaps to a fully
  collapsed or fully extended state.
- Make the TopAppBarDefaults behavior functions Composable and provide
  Composable defaults.
- Reorder the parameters at the app bar behavior factory methods to have
  the app bar state as the first parameter and remove the fling decay
  animation spec (it's now passed in by default to the behavior
  implementation).
- Use a spring animation instead of a tween when snapping to expand of
  collapse, and and animating the top app bar colors.

Bug: 234053585
Test: AppBarTest
Relnote: "Updates the Material 3 top app bar to snap into a fully
collapsed of fully extended state. Also, update the TopAppBarDefaults
behavior function to be Composables and provide default values for their
top app bar state and animation spec."

Change-Id: I642b393470e6a29a8a02cb5589fea02f601be8ec
7 files changed
tree: 705ecfe01208f25e1301f1a306e237d5e9a50e08
  1. .github/
  2. .idea/
  3. activity/
  4. ads/
  5. annotation/
  6. appcompat/
  7. appsearch/
  8. arch/
  9. asynclayoutinflater/
  10. autofill/
  11. benchmark/
  12. biometric/
  13. bluetooth/
  14. browser/
  15. buildSrc/
  16. buildSrc-tests/
  17. busytown/
  18. camera/
  19. car/
  20. cardview/
  21. collection/
  22. compose/
  23. concurrent/
  24. contentpager/
  25. coordinatorlayout/
  26. core/
  27. cursoradapter/
  28. customview/
  29. datastore/
  30. development/
  31. docs/
  32. docs-public/
  33. docs-tip-of-tree/
  34. documentfile/
  35. draganddrop/
  36. drawerlayout/
  37. dynamicanimation/
  38. emoji/
  39. emoji2/
  40. enterprise/
  41. exifinterface/
  42. external/
  43. fakeannotations/
  44. fragment/
  45. frameworks/
  46. glance/
  47. gradle/
  48. graphics/
  49. gridlayout/
  50. health/
  51. heifwriter/
  52. hilt/
  53. inspection/
  54. interpolator/
  55. javascriptengine/
  56. leanback/
  57. lifecycle/
  58. lint-checks/
  59. loader/
  60. media/
  61. media2/
  62. mediarouter/
  63. metrics/
  64. navigation/
  65. paging/
  66. palette/
  67. percentlayout/
  68. placeholder-tests/
  69. playground-common/
  70. preference/
  71. print/
  72. privacysandbox/
  73. profileinstaller/
  74. recommendation/
  75. recyclerview/
  76. remotecallback/
  77. resourceinspection/
  78. room/
  79. samples/
  80. savedstate/
  81. security/
  82. sharetarget/
  83. slice/
  84. slidingpanelayout/
  85. sqlite/
  86. startup/
  87. swiperefreshlayout/
  88. test/
  89. testutils/
  90. text/
  91. tracing/
  92. transition/
  93. tv/
  94. tvprovider/
  95. vectordrawable/
  96. versionedparcelable/
  97. viewpager/
  98. viewpager2/
  99. wear/
  100. webkit/
  101. window/
  102. work/
  103. .gitignore
  104. .mailmap
  105. build.gradle
  106. cleanBuild.sh
  107. code-review.md
  108. CONTRIBUTING.md
  109. gradle.properties
  110. gradlew
  111. include-composite-deps.gradle
  112. libraryversions.toml
  113. LICENSE.txt
  114. OWNERS
  115. PREUPLOAD.cfg
  116. README.md
  117. settings.gradle
  118. studiow
  119. TEXT_OWNERS
README.md

Android Jetpack

Revved up by Gradle Enterprise

Jetpack is a suite of libraries, tools, and guidance to help developers write high-quality apps easier. These components help you follow best practices, free you from writing boilerplate code, and simplify complex tasks, so you can focus on the code you care about.

Jetpack comprises the androidx.* package libraries, unbundled from the platform APIs. This means that it offers backward compatibility and is updated more frequently than the Android platform, making sure you always have access to the latest and greatest versions of the Jetpack components.

Our official AARs and JARs binaries are distributed through Google Maven.

You can learn more about using it from Android Jetpack landing page.

Contribution Guide

For contributions via GitHub, see the GitHub Contribution Guide.

Note: The contributions workflow via GitHub is currently experimental - only contributions to the following projects are being accepted at this time:

Code Review Etiquette

When contributing to Jetpack, follow the code review etiquette.

Accepted Types of Contributions

  • Bug fixes - needs a corresponding bug report in the Android Issue Tracker
  • Each bug fix is expected to come with tests
  • Fixing spelling errors
  • Updating documentation
  • Adding new tests to the area that is not currently covered by tests
  • New features to existing libraries if the feature request bug has been approved by an AndroidX team member.

We are not currently accepting new modules.

Checking Out the Code

Head over to the onboarding docs to learn more about getting set up and the development workflow!

Continuous integration

Our continuous integration system builds all in progress (and potentially unstable) libraries as new changes are merged. You can manually download these AARs and JARs for your experimentation.

Password and Contributor Agreement before making a change

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Generate a HTTPS password: https://android-review.googlesource.com/new-password

Agree to the Google Contributor Licenses Agreement: https://android-review.googlesource.com/settings/new-agreement

Getting reviewed

  • After you run repo upload, open r.android.com
  • Sign in into your account (or create one if you do not have one yet)
  • Add an appropriate reviewer (use git log to find who did most modifications on the file you are fixing or check the OWNERS file in the project's directory)

Handling binary dependencies

AndroidX uses git to store all the binary Gradle dependencies. They are stored in prebuilts/androidx/internal and prebuilts/androidx/external directories in your checkout. All the dependencies in these directories are also available from google(), jcenter(), or mavenCentral(). We store copies of these dependencies to have hermetic builds. You can pull in a new dependency using our importMaven tool.