Migrate Material curves to new names (flutter#4898)

Cleanup following flutter/flutter#129942, which will allow the landing of the deprecation in flutter/flutter#134417. Part of flutter/flutter#116525
Arctuition · Jun 14, 2024 · 3b9842a · 3b9842a
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diff --git a/packages/animations/CHANGELOG.md b/packages/animations/CHANGELOG.md
@@ -1,6 +1,7 @@
-## NEXT
+## 2.0.9
 
-* Updates minimum supported SDK version to Flutter 3.10/Dart 3.0.
+* Updates minimum supported SDK version to Flutter 3.13/Dart 3.1.
+* Migrate motion curves to use `Easing` class.
 
 ## 2.0.8
 
@@ -28,7 +29,7 @@
 * Updates for non-nullable bindings.
 
 ## 2.0.2
-* Fixed documentation for `OpenContainer` class; replaced `openBuilder` with `closedBuilder`. 
+* Fixed documentation for `OpenContainer` class; replaced `openBuilder` with `closedBuilder`.
 
 ## 2.0.1
 * Add links to the spec and codelab.

diff --git a/packages/animations/lib/src/fade_scale_transition.dart b/packages/animations/lib/src/fade_scale_transition.dart
@@ -134,7 +134,7 @@ class FadeScaleTransition extends StatelessWidget {
   static final Animatable<double> _scaleInTransition = Tween<double>(
     begin: 0.80,
     end: 1.00,
-  ).chain(CurveTween(curve: decelerateEasing));
+  ).chain(CurveTween(curve: Easing.legacyDecelerate));
   static final Animatable<double> _fadeOutTransition = Tween<double>(
     begin: 1.0,
     end: 0.0,

diff --git a/packages/animations/lib/src/shared_axis_transition.dart b/packages/animations/lib/src/shared_axis_transition.dart
@@ -303,18 +303,18 @@ class _EnterTransition extends StatelessWidget {
   final bool reverse;
 
   static final Animatable<double> _fadeInTransition = CurveTween(
-    curve: decelerateEasing,
+    curve: Easing.legacyDecelerate,
   ).chain(CurveTween(curve: const Interval(0.3, 1.0)));
 
   static final Animatable<double> _scaleDownTransition = Tween<double>(
     begin: 1.10,
     end: 1.00,
-  ).chain(CurveTween(curve: standardEasing));
+  ).chain(CurveTween(curve: Easing.legacy));
 
   static final Animatable<double> _scaleUpTransition = Tween<double>(
     begin: 0.80,
     end: 1.00,
-  ).chain(CurveTween(curve: standardEasing));
+  ).chain(CurveTween(curve: Easing.legacy));
 
   @override
   Widget build(BuildContext context) {
@@ -323,7 +323,7 @@ class _EnterTransition extends StatelessWidget {
         final Animatable<Offset> slideInTransition = Tween<Offset>(
           begin: Offset(!reverse ? 30.0 : -30.0, 0.0),
           end: Offset.zero,
-        ).chain(CurveTween(curve: standardEasing));
+        ).chain(CurveTween(curve: Easing.legacy));
 
         return FadeTransition(
           opacity: _fadeInTransition.animate(animation),
@@ -342,7 +342,7 @@ class _EnterTransition extends StatelessWidget {
         final Animatable<Offset> slideInTransition = Tween<Offset>(
           begin: Offset(0.0, !reverse ? 30.0 : -30.0),
           end: Offset.zero,
-        ).chain(CurveTween(curve: standardEasing));
+        ).chain(CurveTween(curve: Easing.legacy));
 
         return FadeTransition(
           opacity: _fadeInTransition.animate(animation),
@@ -386,18 +386,18 @@ class _ExitTransition extends StatelessWidget {
   final Widget? child;
 
   static final Animatable<double> _fadeOutTransition = _FlippedCurveTween(
-    curve: accelerateEasing,
+    curve: Easing.legacyAccelerate,
   ).chain(CurveTween(curve: const Interval(0.0, 0.3)));
 
   static final Animatable<double> _scaleUpTransition = Tween<double>(
     begin: 1.00,
     end: 1.10,
-  ).chain(CurveTween(curve: standardEasing));
+  ).chain(CurveTween(curve: Easing.legacy));
 
   static final Animatable<double> _scaleDownTransition = Tween<double>(
     begin: 1.00,
     end: 0.80,
-  ).chain(CurveTween(curve: standardEasing));
+  ).chain(CurveTween(curve: Easing.legacy));
 
   @override
   Widget build(BuildContext context) {
@@ -406,7 +406,7 @@ class _ExitTransition extends StatelessWidget {
         final Animatable<Offset> slideOutTransition = Tween<Offset>(
           begin: Offset.zero,
           end: Offset(!reverse ? -30.0 : 30.0, 0.0),
-        ).chain(CurveTween(curve: standardEasing));
+        ).chain(CurveTween(curve: Easing.legacy));
 
         return FadeTransition(
           opacity: _fadeOutTransition.animate(animation),
@@ -428,7 +428,7 @@ class _ExitTransition extends StatelessWidget {
         final Animatable<Offset> slideOutTransition = Tween<Offset>(
           begin: Offset.zero,
           end: Offset(0.0, !reverse ? -30.0 : 30.0),
-        ).chain(CurveTween(curve: standardEasing));
+        ).chain(CurveTween(curve: Easing.legacy));
 
         return FadeTransition(
           opacity: _fadeOutTransition.animate(animation),

diff --git a/packages/animations/pubspec.yaml b/packages/animations/pubspec.yaml
@@ -2,11 +2,11 @@ name: animations
 description: Fancy pre-built animations that can easily be integrated into any Flutter application.
 repository: https://github.com/flutter/packages/tree/main/packages/animations
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+animations%22
-version: 2.0.8
+version: 2.0.9
 
 environment:
-  sdk: ">=3.0.0 <4.0.0"
-  flutter: ">=3.10.0"
+  sdk: ">=3.1.0 <4.0.0"
+  flutter: ">=3.13.0"
 
 dependencies:
   flutter: