flutter · vsmenon · Nov 20, 2020 · Nov 19, 2020 · Nov 19, 2020 · Nov 19, 2020
diff --git a/lib/ui/annotations.dart b/lib/ui/annotations.dart
@@ -4,8 +4,8 @@
 
 // TODO(dnfield): Remove unused_import ignores when https://github.com/dart-lang/sdk/issues/35164 is resolved.
 
-// @dart = 2.10
 
+// @dart = 2.12
 part of dart.ui;
 
 // TODO(dnfield): Update this if/when we default this to on in the tool,

diff --git a/lib/ui/channel_buffers.dart b/lib/ui/channel_buffers.dart
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart = 2.10
 
 // KEEP THIS SYNCHRONIZED WITH ../web_ui/lib/src/ui/channel_buffers.dart
 
+// @dart = 2.12
 part of dart.ui;
 
 /// Signature for [ChannelBuffers.drain]'s `callback` argument.

diff --git a/lib/ui/compositing.dart b/lib/ui/compositing.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.
 
-// @dart = 2.10
 
+// @dart = 2.12
 part of dart.ui;
 
 /// An opaque object representing a composited scene.

diff --git a/lib/ui/geometry.dart b/lib/ui/geometry.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.
 
-// @dart = 2.10
 
+// @dart = 2.12
 part of dart.ui;
 
 /// Base class for [Size] and [Offset], which are both ways to describe

diff --git a/lib/ui/hash_codes.dart b/lib/ui/hash_codes.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.
 
-// @dart = 2.10
 
+// @dart = 2.12
 part of dart.ui;
 
 class _HashEnd { const _HashEnd(); }

diff --git a/lib/ui/hooks.dart b/lib/ui/hooks.dart
@@ -4,8 +4,8 @@
 
 // TODO(dnfield): Remove unused_import ignores when https://github.com/dart-lang/sdk/issues/35164 is resolved.
 
-// @dart = 2.10
 
+// @dart = 2.12
 part of dart.ui;
 
 @pragma('vm:entry-point')

diff --git a/lib/ui/isolate_name_server.dart b/lib/ui/isolate_name_server.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.
 
-// @dart = 2.10
 
+// @dart = 2.12
 part of dart.ui;
 
 /// Static methods to allow for simple sharing of [SendPort]s across [Isolate]s.

diff --git a/lib/ui/lerp.dart b/lib/ui/lerp.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.
 
-// @dart = 2.10
 
+// @dart = 2.12
 part of dart.ui;
 
 /// Linearly interpolate between two numbers, `a` and `b`, by an extrapolation

diff --git a/lib/ui/natives.dart b/lib/ui/natives.dart
@@ -4,8 +4,8 @@
 
 // TODO(dnfield): remove unused_element ignores when https://github.com/dart-lang/sdk/issues/35164 is resolved.
 
-// @dart = 2.10
 
+// @dart = 2.12
 part of dart.ui;
 
 // Corelib 'print' implementation.

diff --git a/lib/ui/painting.dart b/lib/ui/painting.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.
 
-// @dart = 2.10
 
+// @dart = 2.12
 part of dart.ui;
 
 // Some methods in this file assert that their arguments are not null. These

diff --git a/lib/ui/platform_dispatcher.dart b/lib/ui/platform_dispatcher.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.
 
-// @dart = 2.10
+// @dart = 2.12
 part of dart.ui;
 
 /// Signature of callbacks that have no arguments and return no data.

diff --git a/lib/ui/plugins.dart b/lib/ui/plugins.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.
 
-// @dart = 2.10
 
+// @dart = 2.12
 part of dart.ui;
 
 /// A wrapper for a raw callback handle.

diff --git a/lib/ui/pointer.dart b/lib/ui/pointer.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.
 
-// @dart = 2.10
 
+// @dart = 2.12
 part of dart.ui;
 
 /// How the pointer has changed since the last report.

diff --git a/lib/ui/semantics.dart b/lib/ui/semantics.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.
 
-// @dart = 2.10
 
+// @dart = 2.12
 part of dart.ui;
 
 /// The possible actions that can be conveyed from the operating system

diff --git a/lib/ui/text.dart b/lib/ui/text.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.
 
-// @dart = 2.10
 
+// @dart = 2.12
 part of dart.ui;
 
 /// Whether to slant the glyphs in the font

diff --git a/lib/ui/ui.dart b/lib/ui/ui.dart
@@ -9,7 +9,7 @@
 /// This library exposes the lowest-level services that Flutter frameworks use
 /// to bootstrap applications, such as classes for driving the input, graphics
 /// text, layout, and rendering subsystems.
-// @dart = 2.10
+// @dart = 2.12
 library dart.ui;
 
 import 'dart:_internal' hide Symbol; // ignore: unused_import

diff --git a/lib/ui/window.dart b/lib/ui/window.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.
 
-// @dart = 2.10
+// @dart = 2.12
 part of dart.ui;
 
 /// A view into which a Flutter [Scene] is drawn.

diff --git a/testing/dart/window_hooks_integration_test.dart b/testing/dart/window_hooks_integration_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.
 
-// @dart = 2.10
+// @dart = 2.12
 
 // HACK: pretend to be dart.ui in order to access its internals
 library dart.ui;