From 9275bc5e824fdcadb64b4639d21238de7048df75 Mon Sep 17 00:00:00 2001
From: Kate Lovett <katelovett@google.com>
Date: Thu, 13 Aug 2026 15:03:56 -0500
Subject: [PATCH 1/3] [animations] Migrate to material_ui

---
 packages/animations/CHANGELOG.md                             | 3 ++-
 packages/animations/example/lib/container_transition.dart    | 2 +-
 packages/animations/example/lib/fade_scale_transition.dart   | 2 +-
 packages/animations/example/lib/fade_through_transition.dart | 2 +-
 packages/animations/example/lib/main.dart                    | 2 +-
 packages/animations/example/lib/shared_axis_transition.dart  | 2 +-
 packages/animations/example/pubspec.yaml                     | 1 +
 packages/animations/lib/src/fade_scale_transition.dart       | 2 +-
 packages/animations/lib/src/fade_through_transition.dart     | 2 +-
 packages/animations/lib/src/modal.dart                       | 2 +-
 packages/animations/lib/src/open_container.dart              | 2 +-
 packages/animations/lib/src/shared_axis_transition.dart      | 2 +-
 packages/animations/pubspec.yaml                             | 3 ++-
 packages/animations/test/dual_transition_builder_test.dart   | 2 +-
 packages/animations/test/fade_scale_transition_test.dart     | 2 +-
 packages/animations/test/fade_through_transition_test.dart   | 2 +-
 packages/animations/test/modal_test.dart                     | 2 +-
 packages/animations/test/open_container_test.dart            | 2 +-
 packages/animations/test/shared_axis_transition_test.dart    | 2 +-
 19 files changed, 21 insertions(+), 18 deletions(-)

diff --git a/packages/animations/CHANGELOG.md b/packages/animations/CHANGELOG.md
index cfb4ff33284c..104ad3c5218a 100644
--- a/packages/animations/CHANGELOG.md
+++ b/packages/animations/CHANGELOG.md
@@ -1,5 +1,6 @@
-## NEXT
+## 3.0.0
 
+* Migrates to material_ui.
 * Updates minimum supported SDK version to Flutter 3.38/Dart 3.10.
 
 ## 2.2.0
diff --git a/packages/animations/example/lib/container_transition.dart b/packages/animations/example/lib/container_transition.dart
index 3838544cbe2c..5bf6c9aa4409 100644
--- a/packages/animations/example/lib/container_transition.dart
+++ b/packages/animations/example/lib/container_transition.dart
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 import 'package:animations/animations.dart';
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 
 const String _loremIpsumParagraph =
     'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod '
diff --git a/packages/animations/example/lib/fade_scale_transition.dart b/packages/animations/example/lib/fade_scale_transition.dart
index 494bf2a72b1b..6f652073eca7 100644
--- a/packages/animations/example/lib/fade_scale_transition.dart
+++ b/packages/animations/example/lib/fade_scale_transition.dart
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 import 'package:animations/animations.dart';
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 
 /// The demo page for [FadeScaleTransition].
 class FadeScaleTransitionDemo extends StatefulWidget {
diff --git a/packages/animations/example/lib/fade_through_transition.dart b/packages/animations/example/lib/fade_through_transition.dart
index 1cb03d6f9ab6..b924863a38d5 100644
--- a/packages/animations/example/lib/fade_through_transition.dart
+++ b/packages/animations/example/lib/fade_through_transition.dart
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 import 'package:animations/animations.dart';
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 
 /// The demo page for [FadeThroughTransition].
 class FadeThroughTransitionDemo extends StatefulWidget {
diff --git a/packages/animations/example/lib/main.dart b/packages/animations/example/lib/main.dart
index 66e830601e5b..de8aea0802e9 100644
--- a/packages/animations/example/lib/main.dart
+++ b/packages/animations/example/lib/main.dart
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 import 'package:flutter/scheduler.dart';
 
 import 'container_transition.dart';
diff --git a/packages/animations/example/lib/shared_axis_transition.dart b/packages/animations/example/lib/shared_axis_transition.dart
index c12548b500bd..42c4a1a9a31b 100644
--- a/packages/animations/example/lib/shared_axis_transition.dart
+++ b/packages/animations/example/lib/shared_axis_transition.dart
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 import 'package:animations/animations.dart';
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 
 /// The demo page for [SharedAxisPageTransitionsBuilder].
 class SharedAxisTransitionDemo extends StatefulWidget {
diff --git a/packages/animations/example/pubspec.yaml b/packages/animations/example/pubspec.yaml
index 89b6dffa0522..d219f51a568d 100644
--- a/packages/animations/example/pubspec.yaml
+++ b/packages/animations/example/pubspec.yaml
@@ -16,6 +16,7 @@ dependencies:
   flutter:
     sdk: flutter
 
+  material_ui: ^1.0.0
 dev_dependencies:
   flutter_test:
     sdk: flutter
diff --git a/packages/animations/lib/src/fade_scale_transition.dart b/packages/animations/lib/src/fade_scale_transition.dart
index 4ccb66fc25a1..1771e97c4da0 100644
--- a/packages/animations/lib/src/fade_scale_transition.dart
+++ b/packages/animations/lib/src/fade_scale_transition.dart
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 
 import 'modal.dart';
 
diff --git a/packages/animations/lib/src/fade_through_transition.dart b/packages/animations/lib/src/fade_through_transition.dart
index e308bda3e14c..dd7e20a451e2 100644
--- a/packages/animations/lib/src/fade_through_transition.dart
+++ b/packages/animations/lib/src/fade_through_transition.dart
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 
 /// Used by [PageTransitionsTheme] to define a page route transition animation
 /// in which the outgoing page fades out, then the incoming page fades in and
diff --git a/packages/animations/lib/src/modal.dart b/packages/animations/lib/src/modal.dart
index 8e9598d578bd..81d060a33890 100644
--- a/packages/animations/lib/src/modal.dart
+++ b/packages/animations/lib/src/modal.dart
@@ -4,7 +4,7 @@
 
 import 'dart:ui' as ui;
 
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 
 import 'fade_scale_transition.dart';
 
diff --git a/packages/animations/lib/src/open_container.dart b/packages/animations/lib/src/open_container.dart
index 0eb6267acd82..7207a2a29fe1 100644
--- a/packages/animations/lib/src/open_container.dart
+++ b/packages/animations/lib/src/open_container.dart
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 import 'package:flutter/scheduler.dart';
 
 /// Signature for `action` callback function provided to [OpenContainer.openBuilder].
diff --git a/packages/animations/lib/src/shared_axis_transition.dart b/packages/animations/lib/src/shared_axis_transition.dart
index 617a28d6945d..60caf2d14e17 100644
--- a/packages/animations/lib/src/shared_axis_transition.dart
+++ b/packages/animations/lib/src/shared_axis_transition.dart
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 
 /// Determines which type of shared axis transition is used.
 enum SharedAxisTransitionType {
diff --git a/packages/animations/pubspec.yaml b/packages/animations/pubspec.yaml
index b7a7be7ee25d..c8a717c3ecf1 100644
--- a/packages/animations/pubspec.yaml
+++ b/packages/animations/pubspec.yaml
@@ -2,7 +2,7 @@ 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: 2.2.0
+version: 3.0.0
 
 environment:
   sdk: ^3.10.0
@@ -12,6 +12,7 @@ dependencies:
   flutter:
     sdk: flutter
 
+  material_ui: ^1.0.0
 dev_dependencies:
   flutter_test:
     sdk: flutter
diff --git a/packages/animations/test/dual_transition_builder_test.dart b/packages/animations/test/dual_transition_builder_test.dart
index a0fa77f7d384..8be80a371c27 100644
--- a/packages/animations/test/dual_transition_builder_test.dart
+++ b/packages/animations/test/dual_transition_builder_test.dart
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {
diff --git a/packages/animations/test/fade_scale_transition_test.dart b/packages/animations/test/fade_scale_transition_test.dart
index 83e6b5bb0050..794b2faabf3b 100644
--- a/packages/animations/test/fade_scale_transition_test.dart
+++ b/packages/animations/test/fade_scale_transition_test.dart
@@ -4,7 +4,7 @@
 
 import 'package:animations/src/fade_scale_transition.dart';
 import 'package:animations/src/modal.dart';
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {
diff --git a/packages/animations/test/fade_through_transition_test.dart b/packages/animations/test/fade_through_transition_test.dart
index 32d8d5969e4d..d5e52e7cf3c3 100644
--- a/packages/animations/test/fade_through_transition_test.dart
+++ b/packages/animations/test/fade_through_transition_test.dart
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 import 'package:animations/src/fade_through_transition.dart';
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {
diff --git a/packages/animations/test/modal_test.dart b/packages/animations/test/modal_test.dart
index 87089f715b4c..63539abdd8f4 100644
--- a/packages/animations/test/modal_test.dart
+++ b/packages/animations/test/modal_test.dart
@@ -5,7 +5,7 @@
 import 'dart:ui' as ui;
 
 import 'package:animations/src/modal.dart';
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {
diff --git a/packages/animations/test/open_container_test.dart b/packages/animations/test/open_container_test.dart
index 7f5d64ffa5bb..7695a4ac1c32 100644
--- a/packages/animations/test/open_container_test.dart
+++ b/packages/animations/test/open_container_test.dart
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 import 'package:animations/src/open_container.dart';
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {
diff --git a/packages/animations/test/shared_axis_transition_test.dart b/packages/animations/test/shared_axis_transition_test.dart
index b3548628e381..32b734b8ecf5 100644
--- a/packages/animations/test/shared_axis_transition_test.dart
+++ b/packages/animations/test/shared_axis_transition_test.dart
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 import 'package:animations/src/shared_axis_transition.dart';
-import 'package:flutter/material.dart';
+import 'package:material_ui/material_ui.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:vector_math/vector_math_64.dart' hide Colors;
 

From f1aed3f96d2d984ccf3d202e41e5355adef9b35d Mon Sep 17 00:00:00 2001
From: Kate Lovett <katelovett@google.com>
Date: Thu, 13 Aug 2026 15:16:46 -0500
Subject: [PATCH 2/3] Fix imports

---
 packages/animations/example/lib/main.dart                  | 2 +-
 packages/animations/lib/src/open_container.dart            | 2 +-
 packages/animations/test/dual_transition_builder_test.dart | 2 +-
 packages/animations/test/fade_scale_transition_test.dart   | 2 +-
 packages/animations/test/fade_through_transition_test.dart | 2 +-
 packages/animations/test/modal_test.dart                   | 2 +-
 packages/animations/test/open_container_test.dart          | 2 +-
 packages/animations/test/shared_axis_transition_test.dart  | 2 +-
 8 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/packages/animations/example/lib/main.dart b/packages/animations/example/lib/main.dart
index de8aea0802e9..20bb4db1427e 100644
--- a/packages/animations/example/lib/main.dart
+++ b/packages/animations/example/lib/main.dart
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:material_ui/material_ui.dart';
 import 'package:flutter/scheduler.dart';
+import 'package:material_ui/material_ui.dart';
 
 import 'container_transition.dart';
 import 'fade_scale_transition.dart';
diff --git a/packages/animations/lib/src/open_container.dart b/packages/animations/lib/src/open_container.dart
index 7207a2a29fe1..e63fa2dbc1ae 100644
--- a/packages/animations/lib/src/open_container.dart
+++ b/packages/animations/lib/src/open_container.dart
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:material_ui/material_ui.dart';
 import 'package:flutter/scheduler.dart';
+import 'package:material_ui/material_ui.dart';
 
 /// Signature for `action` callback function provided to [OpenContainer.openBuilder].
 ///
diff --git a/packages/animations/test/dual_transition_builder_test.dart b/packages/animations/test/dual_transition_builder_test.dart
index 8be80a371c27..5ff43fab303c 100644
--- a/packages/animations/test/dual_transition_builder_test.dart
+++ b/packages/animations/test/dual_transition_builder_test.dart
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:material_ui/material_ui.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:material_ui/material_ui.dart';
 
 void main() {
   testWidgets('runs animations', (WidgetTester tester) async {
diff --git a/packages/animations/test/fade_scale_transition_test.dart b/packages/animations/test/fade_scale_transition_test.dart
index 794b2faabf3b..9111898066c5 100644
--- a/packages/animations/test/fade_scale_transition_test.dart
+++ b/packages/animations/test/fade_scale_transition_test.dart
@@ -4,8 +4,8 @@
 
 import 'package:animations/src/fade_scale_transition.dart';
 import 'package:animations/src/modal.dart';
-import 'package:material_ui/material_ui.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:material_ui/material_ui.dart';
 
 void main() {
   testWidgets('FadeScaleTransitionConfiguration builds a new route', (WidgetTester tester) async {
diff --git a/packages/animations/test/fade_through_transition_test.dart b/packages/animations/test/fade_through_transition_test.dart
index d5e52e7cf3c3..93e2c4e1eccb 100644
--- a/packages/animations/test/fade_through_transition_test.dart
+++ b/packages/animations/test/fade_through_transition_test.dart
@@ -3,8 +3,8 @@
 // found in the LICENSE file.
 
 import 'package:animations/src/fade_through_transition.dart';
-import 'package:material_ui/material_ui.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:material_ui/material_ui.dart';
 
 void main() {
   testWidgets('FadeThroughPageTransitionsBuilder builds a FadeThroughTransition', (
diff --git a/packages/animations/test/modal_test.dart b/packages/animations/test/modal_test.dart
index 63539abdd8f4..2ec8ee7d6572 100644
--- a/packages/animations/test/modal_test.dart
+++ b/packages/animations/test/modal_test.dart
@@ -5,8 +5,8 @@
 import 'dart:ui' as ui;
 
 import 'package:animations/src/modal.dart';
-import 'package:material_ui/material_ui.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:material_ui/material_ui.dart';
 
 void main() {
   testWidgets('showModal builds a new route with specified barrier properties', (
diff --git a/packages/animations/test/open_container_test.dart b/packages/animations/test/open_container_test.dart
index 7695a4ac1c32..88f5c790cfb1 100644
--- a/packages/animations/test/open_container_test.dart
+++ b/packages/animations/test/open_container_test.dart
@@ -3,8 +3,8 @@
 // found in the LICENSE file.
 
 import 'package:animations/src/open_container.dart';
-import 'package:material_ui/material_ui.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:material_ui/material_ui.dart';
 
 void main() {
   testWidgets('Can be opened via GlobalKey', (WidgetTester tester) async {
diff --git a/packages/animations/test/shared_axis_transition_test.dart b/packages/animations/test/shared_axis_transition_test.dart
index 32b734b8ecf5..e9a3208c6eed 100644
--- a/packages/animations/test/shared_axis_transition_test.dart
+++ b/packages/animations/test/shared_axis_transition_test.dart
@@ -3,8 +3,8 @@
 // found in the LICENSE file.
 
 import 'package:animations/src/shared_axis_transition.dart';
-import 'package:material_ui/material_ui.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:material_ui/material_ui.dart';
 import 'package:vector_math/vector_math_64.dart' hide Colors;
 
 void main() {

From 526e55acbd00e1a1cc4266ed57130c2e3491dbfc Mon Sep 17 00:00:00 2001
From: Kate Lovett <katelovett@google.com>
Date: Thu, 13 Aug 2026 15:44:00 -0500
Subject: [PATCH 3/3] Review feedback - thnx

---
 packages/animations/CHANGELOG.md         | 2 +-
 packages/animations/example/pubspec.yaml | 6 +++---
 packages/animations/lib/src/modal.dart   | 3 +--
 packages/animations/pubspec.yaml         | 6 +++---
 4 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/packages/animations/CHANGELOG.md b/packages/animations/CHANGELOG.md
index 104ad3c5218a..4d8b66709c6e 100644
--- a/packages/animations/CHANGELOG.md
+++ b/packages/animations/CHANGELOG.md
@@ -1,7 +1,7 @@
 ## 3.0.0
 
 * Migrates to material_ui.
-* Updates minimum supported SDK version to Flutter 3.38/Dart 3.10.
+* Updates minimum supported SDK version to Flutter 3.44/Dart 3.12.
 
 ## 2.2.0
 
diff --git a/packages/animations/example/pubspec.yaml b/packages/animations/example/pubspec.yaml
index d219f51a568d..d85eda864a8a 100644
--- a/packages/animations/example/pubspec.yaml
+++ b/packages/animations/example/pubspec.yaml
@@ -6,8 +6,8 @@ publish_to: none
 version: 0.0.1
 
 environment:
-  sdk: ^3.10.0
-  flutter: ">=3.38.0"
+  sdk: ^3.12.0
+  flutter: ">=3.44.0"
 
 dependencies:
   animations:
@@ -15,8 +15,8 @@ dependencies:
   cupertino_icons: ^1.0.2
   flutter:
     sdk: flutter
-
   material_ui: ^1.0.0
+
 dev_dependencies:
   flutter_test:
     sdk: flutter
diff --git a/packages/animations/lib/src/modal.dart b/packages/animations/lib/src/modal.dart
index 81d060a33890..a9bbf9a73faf 100644
--- a/packages/animations/lib/src/modal.dart
+++ b/packages/animations/lib/src/modal.dart
@@ -96,12 +96,11 @@ class _ModalRoute<T> extends PopupRoute<T> {
     this.barrierLabel,
     required this.transitionDuration,
     required this.reverseTransitionDuration,
-    required _ModalTransitionBuilder transitionBuilder,
+    required this._transitionBuilder,
     required this.builder,
     RouteSettings? routeSettings,
     super.filter,
   }) : assert(!barrierDismissible || barrierLabel != null),
-       _transitionBuilder = transitionBuilder,
        super(settings: routeSettings);
 
   @override
diff --git a/packages/animations/pubspec.yaml b/packages/animations/pubspec.yaml
index c8a717c3ecf1..5ef410abed64 100644
--- a/packages/animations/pubspec.yaml
+++ b/packages/animations/pubspec.yaml
@@ -5,14 +5,14 @@ issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+
 version: 3.0.0
 
 environment:
-  sdk: ^3.10.0
-  flutter: ">=3.38.0"
+  sdk: ^3.12.0
+  flutter: ">=3.44.0"
 
 dependencies:
   flutter:
     sdk: flutter
-
   material_ui: ^1.0.0
+
 dev_dependencies:
   flutter_test:
     sdk: flutter