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High contrast color scheme based on system forced colors (#165068 )

This PR introduces a `bool useSystemColors` parameter to the `ThemeData`
constructor.

The goal from this PR is to enable users to easily create high contrast
themes that are based on system colors for their `MaterialApp`:

```dart
MaterialApp(
  theme: ThemeData.light(),
  darkTheme: ThemeData.dark(),
  highContrastTheme: ThemeData(useSystemColors: true, ...),
  highContrastDarkTheme: ThemeData(useSystemColors: true, ...),
)
```
The `MaterialApp` widget will automatically pick the correct one of the
4 themes based on system settings (light/dark mode, high contrast
enabled/disabled).

Depends on https://github.com/flutter/flutter/pull/164933
Closes https://github.com/flutter/flutter/issues/118853

2025-03-26 19:25:07 +00:00

lib

High contrast color scheme based on system forced colors (#165068 )

2025-03-26 19:25:07 +00:00

test

High contrast color scheme based on system forced colors (#165068 )

2025-03-26 19:25:07 +00:00

test_fixes

feat(Tooltip): replace the height parameter with constraints (#163314 )

2025-03-17 17:00:05 +00:00

test_private

Roll pub packages (#163083 )

2025-02-11 23:47:59 +00:00

test_profile

…

test_release

…

analysis_options.yaml

…

build.yaml

…

dart_test.yaml

…

LICENSE

…

pubspec.yaml

Roll pub packages (#164316 )

2025-02-27 19:38:00 +00:00

README.md

…

README.md

Flutter

Flutter is a new way to build high-performance, cross-platform mobile, web, and desktop apps. Flutter is optimized for today's — and tomorrow's — mobile and desktop devices. We are focused on low-latency input and high frame rates on all platforms.

See the getting started guide for information about using Flutter.