animations

Migrates the animations package to the material_ui package.

Pre-Review Checklist

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• Migrates to material_ui.
• Updates minimum supported SDK version to Flutter 3.44/Dart 3.12.

• Adds support for custom closedShadows and openShadows to OpenContainer.
• Fixes a layout overflow issue in the _ExampleSingleTile within the example app.

• Updates minimum supported SDK version to Flutter 3.35/Dart 3.9.
• Adds an example of using OpenContainer

• Updated the documentation for OpenContainer.onClosed to clarify that it is called at the start of the closing transition, not at the end.
• Updates minimum supported SDK version to Flutter 3.32/Dart 3.8.

• Updates examples to use the new RadioGroup API instead of deprecated Radio parameters.
• Updates minimum supported SDK version to Flutter 3.29/Dart 3.7.
• Make OpenContainerState public.

• Fixes new lint warnings.

• Updates minimum supported SDK version to Flutter 3.16/Dart 3.2.

• Adds pub topics to package metadata.
• Updates minimum supported SDK version to Flutter 3.7/Dart 2.19.
• Aligns Dart and Flutter SDK constraints.

• Updates screenshots to use webp compressed animations

• Adds screenshots to pubspec.yaml

• Update OpenContainer to use Visibility widget internally instead of Opacity.
• Update OpenContainer to use FadeTransition instead of animating an Opacity widget internally.

• Updates text theme parameters to avoid deprecation issues.
• Fixes lint warnings.

• Updates for non-nullable bindings.

• Fixed documentation for OpenContainer class; replaced openBuilder with closedBuilder.

• Add links to the spec and codelab.

• Migrates to null safety.
• Add routeSettings and filter option to showModal.

• Fixes for upcoming changes to the flutter framework.

• Hide implementation of DualTransitionBuilder as the widget has been implemented in the Flutter framework.

• Introduce usage of DualTransitionBuilder for all transition widgets, preventing ongoing animations at the start of the transition animation from resetting at the end of the transition animations.
• Fix FadeScaleTransition example's FloatingActionButton being accessible and tappable when it is supposed to be hidden.
• showModal now defaults to using FadeScaleTransitionConfiguration instead of null.
• Added const constructors for FadeScaleTransitionConfiguration and ModalConfiguration.
• Add custom fillColor property to SharedAxisTransition and SharedAxisPageTransitionsBuilder.
• Fix prefer_const_constructors lint in test and example.
• Add option useRootNavigator to OpenContainer.
• Add OpenContainer.onClosed, which is called with a returned value when the container was popped and has returned to the closed state.
• Fixes a bug with OpenContainer where a crash occurs when the container is dismissed after the container widget itself is removed.

• Initial release

• Fixes to pubspec.yaml

• Fixes to pubspec.yaml

• Update README.md to better describe Material motion

• Fix a typo in the changelog dates
• Revert use of modern Material text style nomenclature in the example app to be compatible with Flutter's stable branch for the time being.
• Add override analyzer ignore in modal.dart for reverseTransitionDuration until Flutter's stable branch contains https://github.com/flutter/flutter/pull/48274.

• Fix override analyzer ignore placement.