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[integration_test] Update README to support modern Kotlin-based setups by default#186080

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[integration_test] Update README to support modern Kotlin-based setups by default#186080
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@mboetger mboetger commented May 5, 2026

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Updates the Android Device Testing instructions in the integration_test README to natively support Kotlin-based projects (which is the default in modern Flutter templates). Retains the Java-based instructions as a clear fallback for older or legacy projects.

Includes a complete Kotlin code snippet demonstrating the necessary usage of JUnit 4 @Rule combined with Kotlin's @JvmField annotation.

Fixes #62237

Pre-launch Checklist

  • I read the [Contributor Guide] and followed the process outlined there for submitting PRs.
  • I read the [AI contribution guidelines] and understand my responsibilities, or I am not using AI tools.
  • I read the [Tree Hygiene] wiki page, which explains my responsibilities.
  • I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement].
  • I signed the [CLA].
  • I listed at least one issue that this PR fixes in the description above.
  • I updated/added relevant documentation (doc comments with ///).
  • I added new tests to check the change I am making, or this PR is [test-exempt].
  • I followed the [breaking change policy] and added [Data Driven Fixes] where supported.
  • All existing and new tests are passing.

…s by default

Updates the Android Device Testing instructions in the `integration_test`
README to natively support Kotlin-based projects (which is the default in
modern Flutter templates). Retains the Java-based instructions as a
clear fallback for older or legacy projects.

Includes a complete Kotlin code snippet demonstrating the necessary
usage of JUnit 4 `@Rule` combined with Kotlin's `@JvmField` annotation.

Fixes flutter#62237
@flutter-dashboard flutter-dashboard Bot added the CICD Run CI/CD label May 5, 2026
@github-actions github-actions Bot added a: tests "flutter test", flutter_test, or one of our tests framework flutter/packages/flutter repository. See also f: labels. f: integration_test The flutter/packages/integration_test plugin labels May 5, 2026

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This pull request updates the Android device testing documentation in packages/integration_test/README.md to prioritize Kotlin as the default language. The changes include updated directory paths and a new Kotlin code example. Feedback was provided to ensure the Kotlin snippet adheres to the Android Kotlin Style Guide by using 4-space indentation, using val for immutable test rules, and employing named arguments for boolean parameters to enhance readability.

Comment thread packages/integration_test/README.md Outdated
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
@github-actions github-actions Bot removed the CICD Run CI/CD label May 5, 2026
@flutter-dashboard flutter-dashboard Bot added the CICD Run CI/CD label May 5, 2026
@mboetger mboetger requested review from a team and jesswrd and removed request for a team May 5, 2026 20:31
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@mboetger mboetger added the CICD Run CI/CD label May 8, 2026
@github-actions github-actions Bot removed the CICD Run CI/CD label May 29, 2026
@jesswrd jesswrd added the CICD Run CI/CD label Jun 9, 2026
@mboetger mboetger added the autosubmit Merge PR when tree becomes green via auto submit App label Jun 11, 2026
@auto-submit auto-submit Bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Jun 11, 2026
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autosubmit label was removed for flutter/flutter/186080, because The base commit of the PR is older than 7 days and can not be merged. Please merge the latest changes from the main into this branch and resubmit the PR.

@github-actions github-actions Bot removed the CICD Run CI/CD label Jun 12, 2026
@mboetger mboetger added the autosubmit Merge PR when tree becomes green via auto submit App label Jun 12, 2026
@mboetger mboetger added the CICD Run CI/CD label Jun 12, 2026
@auto-submit auto-submit Bot added this pull request to the merge queue Jun 12, 2026
Merged via the queue into flutter:master with commit 4756084 Jun 12, 2026
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@flutter-dashboard flutter-dashboard Bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Jun 12, 2026
auto-submit Bot pushed a commit to flutter/packages that referenced this pull request Jun 15, 2026
Roll Flutter from b7cb925419e6 to 5827d5fd2b8d (35 revisions)

flutter/flutter@b7cb925...5827d5f

2026-06-15 engine-flutter-autoroll@skia.org Roll Skia from 7128af60575a to c8d9f80f13e4 (1 revision) (flutter/flutter#188015)
2026-06-15 jason-simmons@users.noreply.github.com In the APNG decoder, validate the chunk data length before calling GetChunkSize to avoid potential overflow in the chunk size calculation (flutter/flutter#187949)
2026-06-15 engine-flutter-autoroll@skia.org Roll Skia from 6b4ac3bfb39d to 7128af60575a (1 revision) (flutter/flutter#188011)
2026-06-15 engine-flutter-autoroll@skia.org Roll Skia from 0a3b8549cbf0 to 6b4ac3bfb39d (7 revisions) (flutter/flutter#188007)
2026-06-15 98614782+auto-submit[bot]@users.noreply.github.com Reverts "[a11y] Map some framework semantics roles to android classes.  (#185217)" (flutter/flutter#188008)
2026-06-15 chris@bracken.jp [ios] Filter UIScene events to those relating to Flutter VC scene (flutter/flutter#187987)
2026-06-15 jhy03261997@gmail.com [a11y] Map some framework semantics roles to android classes.  (flutter/flutter#185217)
2026-06-15 engine-flutter-autoroll@skia.org Roll Skia from f46928e7f50c to 0a3b8549cbf0 (1 revision) (flutter/flutter#188004)
2026-06-14 stuartmorgan@google.com Rework docs for flutter/packages changelogs (flutter/flutter#187666)
2026-06-14 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from nvzMQAmuRSzo7-wAP... to TbB86Po_HDe1dvXvT... (flutter/flutter#187997)
2026-06-14 engine-flutter-autoroll@skia.org Roll Skia from 4e2c9b5e4dad to f46928e7f50c (1 revision) (flutter/flutter#187996)
2026-06-14 engine-flutter-autoroll@skia.org Roll Skia from c52667607242 to 4e2c9b5e4dad (1 revision) (flutter/flutter#187990)
2026-06-14 737941+loic-sharma@users.noreply.github.com Improve RenderTargetCache docs (flutter/flutter#187893)
2026-06-13 brackenavaron@gmail.com [Test cross_imports] Check cross imports in flutter_test/** (flutter/flutter#187587)
2026-06-13 matt.kosarek@canonical.com Fixing corrupted window size OnEmptyFrameGenerated due to transpsed width/height (flutter/flutter#187954)
2026-06-13 engine-flutter-autoroll@skia.org Roll Skia from 42355271a335 to c52667607242 (2 revisions) (flutter/flutter#187979)
2026-06-13 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from A3eaUn9mQ_EkSNxVI... to nvzMQAmuRSzo7-wAP... (flutter/flutter#187975)
2026-06-13 engine-flutter-autoroll@skia.org Roll Skia from 9ef46390c2d1 to 42355271a335 (1 revision) (flutter/flutter#187974)
2026-06-13 bdero@google.com [Flutter GPU] Make ShaderLibrary.fromAsset asynchronous (flutter/flutter#187716)
2026-06-13 engine-flutter-autoroll@skia.org Roll Skia from 8c89bf2b0ee3 to 9ef46390c2d1 (6 revisions) (flutter/flutter#187968)
2026-06-12 bdero@google.com [Flutter GPU] Add surface API for framework presentation (flutter/flutter#187358)
2026-06-12 bkonyi@google.com [gen_l10n] Exclude inherited keys from untranslated-messages-file (flutter/flutter#187950)
2026-06-12 31859944+LongCatIsLooong@users.noreply.github.com Update `MediaQueryData` docs for devicePixelRatio overriding (flutter/flutter#187542)
2026-06-12 bdero@google.com [Impeller] Fix dirty-range race in DeviceBufferGLES uploads (flutter/flutter#187932)
2026-06-12 pascal@phntm.xyz Compare isModifiedAfter against the given time (flutter/flutter#187727)
2026-06-12 planetmarshall@users.noreply.github.com Enable unit tests for compilation of compute shaders on non-metal backends (flutter/flutter#179683)
2026-06-12 matt.boetger@gmail.com [flutter_tools] Add doctor validator warning for multiple adb installations (flutter/flutter#186031)
2026-06-12 matt.boetger@gmail.com Optimize SHA hash calculation of generated APK (flutter/flutter#187184)
2026-06-12 mu7ammadkamel@hotmail.com Scope widget inspector overlay to the selected widget's modal route (flutter/flutter#186784)
2026-06-12 30870216+gaaclarke@users.noreply.github.com Switches Windows to OpenGLESSDF (flutter/flutter#187877)
2026-06-12 matt.boetger@gmail.com [integration_test] Update README to support modern Kotlin-based setups by default (flutter/flutter#186080)
2026-06-12 jason-simmons@users.noreply.github.com Convert the PNG signature constant in APNGImageGenerator to a std::array and use it in the APNG tests (flutter/flutter#187930)
2026-06-12 matt.boetger@gmail.com Correct backoff retry time cap unit and add regression tests (flutter/flutter#187250)
2026-06-12 chingjun@google.com Fix std::vector out-of-bounds access in Flutter Android JNI and Delegate (flutter/flutter#187218)
2026-06-12 matt.boetger@gmail.com [Android] Adding 30-second timeouts to adb stopApp and uninstallApp (flutter/flutter#187876)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-packages
Please CC bmparr@google.com,stuartmorgan@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Packages: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
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...
@mboetger mboetger added the l:backlog LLM created PR addressing a backlog issue. label Jun 18, 2026
via-guy pushed a commit to via-guy/flutter that referenced this pull request Jun 26, 2026
…s by default (flutter#186080)

Updates the Android Device Testing instructions in the
`integration_test` README to natively support Kotlin-based projects
(which is the default in modern Flutter templates). Retains the
Java-based instructions as a clear fallback for older or legacy
projects.

Includes a complete Kotlin code snippet demonstrating the necessary
usage of JUnit 4 `@Rule` combined with Kotlin's `@JvmField` annotation.

Fixes flutter#62237

## Pre-launch Checklist

- [X] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [X] I read the [AI contribution guidelines] and understand my
responsibilities, or I am not using AI tools.
- [X] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [X] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [X] I signed the [CLA].
- [X] I listed at least one issue that this PR fixes in the description
above.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [X] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [X] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [X] All existing and new tests are passing.

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
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a: tests "flutter test", flutter_test, or one of our tests CICD Run CI/CD f: integration_test The flutter/packages/integration_test plugin framework flutter/packages/flutter repository. See also f: labels. l:backlog LLM created PR addressing a backlog issue.

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[integration_test] readme about Android device testing out-of-date

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