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2948917a47
Relands https://github.com/flutter/flutter/pull/159756. The original caused some stderr because 1. the configurable `ndkVersion` value that AGP provides used to be null by default. 2. Now it is not, instead it has a default value 3. `integration_test` doesn't actually use the NDK, but default for `integration_test` was higher that `flutter.ndkVersion` 4. We have code that checks if a plugin uses a higher ndk version and tells you to consider upgrading https://github.com/flutter/flutter/blob/master/packages/flutter_tools/gradle/src/main/groovy/flutter.groovy#L921 This reverts the revert, and then aligns `integration_test`'s NDK version (which again, it doesn't actually use, so I'm not too concerned about the downgrade) with `flutter.ndkVersion`. It also starts using the `flutter.min/compile/ndkVersion` values in `integration_test`, which was unrelated to the original pr. Can remove if you think it should land separately. ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [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]. - [ ] 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. - [ ] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md --------- Co-authored-by: Gray Mackall <mackall@google.com> |
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native_driver_test
This directory contains a sample app and tests that demonstrate how to use the (experimental) native Flutter Driver API to drive Flutter apps that run on Android or iOS devices or emulators, interact with and capture screenshots of the app, and compare the screenshots against golden images.
Running the apps and tests
Each lib/{prefix}_main.dart file is a standalone Flutter app that you can run
on an Android or iOS device or emulator:
flutter_rendered_blue_rectangle
This app displays a full screen blue rectangle. It mostly serves as a test that Flutter can run at all on the target device, and that the Flutter (native) driver can take a screenshot and compare it to a golden image. If this app or test fails, it's likely none of the other apps or tests will work either.
# Run the app
$ flutter run lib/flutter_rendered_blue_rectangle_main.dart
# Run the test
$ flutter drive lib/flutter_rendered_blue_rectangle_main.dart
Files of significance:
Debugging tips
- Use
flutter drive --keep-app-runningto keep the app running after the test. - USe
flutter runfollowed byflutter drive --use-existing-appfor faster test iterations.