
This CL * rolls `engine.version` to flutter/engine@b148e628 (which includes dart sdk 2.1.0-dev) * rolls `goldens.version` to flutter/goldens@6c45fafdf (which includes updates due to skia changes in engine) * changes `platform.dill` to `platform_strong.dill` in various places due to flutter/engine@a84b210b * adds explicit `environment: sdk: ">=2.0.0-dev.68 < 3.0.0"` constraints to `pubspec.yaml` and `pubspec.yaml.tmpl` files (since pub defaults to `<2.0.0` if omitted) * upgrades to newer versions of various 3rd party packages (to ensure transitive dependencies have `<3.0.0` sdk constraint)
complex_layout
Scrolling benchmark
To run the scrolling benchmark on a device:
flutter drive --profile test_driver/scroll_perf.dart
Results should be in the file build/complex_layout_scroll_perf.timeline_summary.json
.
More detailed logs should be in build/complex_layout_scroll_perf.timeline.json
.
Startup benchmark
To measure startup time on a device:
flutter run --profile --trace-startup
Results should be in the logs.
Additional results should be in the file build/start_up_info.json
.