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[Dot shorthands] Finish examples/api migration (flutter#183967)
Migrates code in `examples/api` to use dot shorthands. Part of: flutter#175965 See also: [Dot shorthands style guide](https://github.com/flutter/flutter/blob/master/docs/contributing/Style-guide-for-Flutter-repo.md#use-dot-shorthands-to-reduce-redundant-information) Stacked pull requests: * flutter#183963 * flutter#183964 * flutter#183965 * flutter#183966 * flutter#183967 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [AI contribution guidelines] and understand my responsibilities, or I am not using AI tools. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. **Note**: The Flutter team is currently trialing the use of [Gemini Code Assist for GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code). Comments from the `gemini-code-assist` bot should not be taken as authoritative feedback from the Flutter team. If you find its comments useful you can update your code accordingly, but if you are unsure or disagree with the feedback, please feel free to wait for a Flutter team member's review for guidance on which automated comments should be addressed. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [AI contribution guidelines]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#ai-contribution-guidelines [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
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‎examples/api/lib/animation/animation_controller/animated_digit.0.dart‎

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@@ -21,7 +21,7 @@ class _PlaceholderDigit extends StatelessWidget {
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Widget build(BuildContext context) {
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final TextStyle textStyle = Theme.of(
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context,
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).textTheme.displayLarge!.copyWith(fontWeight: FontWeight.w500);
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).textTheme.displayLarge!.copyWith(fontWeight: .w500);
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final Iterable<Widget> placeholderDigits =
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<int>[0, 1, 2, 3, 4, 5, 6, 7, 8, 9].map<Widget>((int n) {

‎examples/api/lib/animation/curves/curve2_d.0.dart‎

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@@ -98,7 +98,7 @@ class Curve2DExample extends StatelessWidget {
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Widget build(BuildContext context) {
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return Container(
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color: Colors.white,
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alignment: Alignment.center,
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alignment: .center,
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child: FollowCurve2D(
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path: path,
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duration: const Duration(seconds: 3),

‎examples/api/lib/gestures/pointer_signal_resolver/pointer_signal_resolver.0.dart‎

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@@ -54,7 +54,7 @@ class _ColorChangerState extends State<ColorChanger> {
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Widget build(BuildContext context) {
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return DecoratedBox(
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decoration: BoxDecoration(
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border: const Border.fromBorderSide(BorderSide()),
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border: const .fromBorderSide(BorderSide()),
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color: color.toColor(),
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),
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child: Listener(
@@ -70,7 +70,7 @@ class _ColorChangerState extends State<ColorChanger> {
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}
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},
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child: Stack(
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fit: StackFit.expand,
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fit: .expand,
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children: <Widget>[const AbsorbPointer(), ?widget.child],
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),
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),
@@ -94,7 +94,7 @@ class _PointerSignalResolverExampleState
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Widget build(BuildContext context) {
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return Material(
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child: Stack(
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fit: StackFit.expand,
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fit: .expand,
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children: <Widget>[
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ColorChanger(
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initialColor: const HSVColor.fromAHSV(0.2, 120.0, 1, 1),
@@ -109,7 +109,7 @@ class _PointerSignalResolverExampleState
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),
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),
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Align(
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alignment: Alignment.topLeft,
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alignment: .topLeft,
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child: Row(
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children: <Widget>[
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Switch(
@@ -122,7 +122,7 @@ class _PointerSignalResolverExampleState
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),
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const Text(
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'Use the PointerSignalResolver?',
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style: TextStyle(fontWeight: FontWeight.bold),
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style: TextStyle(fontWeight: .bold),
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),
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],
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),

‎examples/api/lib/painting/axis_direction/axis_direction.0.dart‎

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Original file line numberDiff line numberDiff line change
@@ -54,7 +54,7 @@ class _MyWidgetState extends State<MyWidget> {
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'Z',
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];
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final Widget _spacer = const SizedBox.square(dimension: 10);
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AxisDirection _axisDirection = AxisDirection.down;
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AxisDirection _axisDirection = .down;
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Widget _getArrows() {
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final Widget arrow = switch (_axisDirection) {
@@ -65,7 +65,7 @@ class _MyWidgetState extends State<MyWidget> {
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};
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return Flex(
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direction: flipAxis(axisDirectionToAxis(_axisDirection)),
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mainAxisAlignment: MainAxisAlignment.center,
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mainAxisAlignment: .center,
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children: <Widget>[arrow, arrow],
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);
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}
@@ -82,9 +82,9 @@ class _MyWidgetState extends State<MyWidget> {
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Widget _getLeading() {
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return Container(
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color: Colors.blue[100],
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padding: const EdgeInsets.all(8.0),
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padding: const .all(8.0),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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mainAxisAlignment: .spaceBetween,
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children: <Widget>[
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Text(axisDirectionToAxis(_axisDirection).toString()),
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_spacer,
@@ -100,18 +100,18 @@ class _MyWidgetState extends State<MyWidget> {
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Widget _getRadioRow() {
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return DefaultTextStyle(
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style: const TextStyle(fontWeight: FontWeight.bold, color: Colors.white),
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style: const TextStyle(fontWeight: .bold, color: Colors.white),
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child: RadioTheme(
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data: RadioThemeData(
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fillColor: WidgetStateProperty.all<Color>(Colors.white),
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),
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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padding: const .all(8.0),
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child: RadioGroup<AxisDirection>(
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groupValue: _axisDirection,
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onChanged: _onAxisDirectionChanged,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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mainAxisAlignment: .spaceAround,
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children: <Widget>[
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Radio<AxisDirection>(value: AxisDirection.up),
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const Text('up'),
@@ -140,10 +140,7 @@ class _MyWidgetState extends State<MyWidget> {
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title: const Text('AxisDirections'),
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bottom: PreferredSize(
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preferredSize: const Size.fromHeight(50),
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: _getRadioRow(),
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),
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child: Padding(padding: const .all(8.0), child: _getRadioRow()),
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),
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),
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// Also works for ListView.builder, which creates a SliverList for itself.
@@ -165,11 +162,11 @@ class _MyWidgetState extends State<MyWidget> {
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} else {
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child = Container(
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color: index.isEven ? Colors.amber[100] : Colors.amberAccent,
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padding: const EdgeInsets.all(8.0),
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padding: const .all(8.0),
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child: Center(child: Text(_alphabet[index - 1])),
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);
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}
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return Padding(padding: const EdgeInsets.all(8.0), child: child);
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return Padding(padding: const .all(8.0), child: child);
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},
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),
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],

‎examples/api/lib/painting/borders/border_side.stroke_align.0.dart‎

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@@ -31,10 +31,10 @@ class StrokeAlignExample extends StatelessWidget {
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child: RepeatingAnimationBuilder<double>(
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animatable: Tween<double>(begin: -1.0, end: 1.0),
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duration: const Duration(seconds: 1),
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repeatMode: RepeatMode.reverse,
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repeatMode: .reverse,
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builder: (BuildContext context, double strokeAlign, Widget? child) {
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return Column(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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mainAxisAlignment: .spaceAround,
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children: <Widget>[
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BorderedBox(
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shape: StadiumBorder(
@@ -46,7 +46,7 @@ class StrokeAlignExample extends StatelessWidget {
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),
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),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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mainAxisAlignment: .spaceAround,
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children: <Widget>[
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BorderedBox(
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shape: CircleBorder(
@@ -69,7 +69,7 @@ class StrokeAlignExample extends StatelessWidget {
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],
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),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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mainAxisAlignment: .spaceAround,
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children: <Widget>[
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BorderedBox(
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shape: BeveledRectangleBorder(
@@ -82,7 +82,7 @@ class StrokeAlignExample extends StatelessWidget {
8282
),
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BorderedBox(
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shape: BeveledRectangleBorder(
85-
borderRadius: BorderRadius.circular(cornerRadius),
85+
borderRadius: .circular(cornerRadius),
8686
side: BorderSide(
8787
color: borderColor,
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width: borderWidth,
@@ -93,7 +93,7 @@ class StrokeAlignExample extends StatelessWidget {
9393
],
9494
),
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Row(
96-
mainAxisAlignment: MainAxisAlignment.spaceAround,
96+
mainAxisAlignment: .spaceAround,
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children: <Widget>[
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BorderedBox(
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@@ -106,7 +106,7 @@ class StrokeAlignExample extends StatelessWidget {
106106
),
107107
BorderedBox(
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shape: RoundedRectangleBorder(
109-
borderRadius: BorderRadius.circular(cornerRadius),
109+
borderRadius: .circular(cornerRadius),
110110
side: BorderSide(
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color: borderColor,
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width: borderWidth,
@@ -117,7 +117,7 @@ class StrokeAlignExample extends StatelessWidget {
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],
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),
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Row(
120-
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120+
mainAxisAlignment: .spaceAround,
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children: <Widget>[
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BorderedBox(
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‎examples/api/lib/painting/gradient/linear_gradient.0.dart‎

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@@ -38,7 +38,7 @@ class MoodyGradient extends StatelessWidget {
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Color(0xfff39060),
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Color(0xffffb56b),
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], // Gradient from https://learnui.design/tools/gradient-generator.html
41-
tileMode: TileMode.mirror,
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tileMode: .mirror,
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),
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),
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child: const Center(

‎examples/api/lib/painting/linear_border/linear_border.0.dart‎

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@@ -17,8 +17,8 @@ class ExampleApp extends StatelessWidget {
1717
Widget build(BuildContext context) {
1818
return const MaterialApp(
1919
home: Directionality(
20-
// TRY THIS: Switch to TextDirection.rtl to see how the borders change.
21-
textDirection: TextDirection.ltr,
20+
// TRY THIS: Switch to .rtl to see how the borders change.
21+
textDirection: .ltr,
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child: Home(),
2323
),
2424
);
@@ -45,10 +45,10 @@ class SampleCard extends StatelessWidget {
4545

4646
return Card(
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child: Padding(
48-
padding: const EdgeInsets.all(16),
48+
padding: const .all(16),
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child: Column(
50-
crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: .start,
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mainAxisSize: .min,
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children: <Widget>[
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Text(title, style: textTheme.titleMedium),
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Text(
@@ -105,9 +105,9 @@ class _HomeState extends State<Home> {
105105
return Scaffold(
106106
body: SingleChildScrollView(
107107
child: Padding(
108-
padding: const EdgeInsets.all(16),
108+
padding: const .all(16),
109109
child: Column(
110-
mainAxisSize: MainAxisSize.min,
110+
mainAxisSize: .min,
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children: <Widget>[
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// Demonstrates using LinearBorder.bottom() to define
113113
// an underline border for the standard button types.

‎examples/api/lib/painting/rounded_superellipse_border/rounded_superellipse_border.0.dart‎

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Original file line numberDiff line numberDiff line change
@@ -45,10 +45,10 @@ class RoundedSuperellipseBorderExampleState
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home: CupertinoPageScaffold(
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child: Center(
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child: Container(
48-
padding: const EdgeInsetsGeometry.all(10),
48+
padding: const .all(10),
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constraints: const BoxConstraints(maxWidth: 600),
5050
child: Column(
51-
mainAxisAlignment: MainAxisAlignment.center,
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mainAxisAlignment: .center,
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spacing: 16,
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// The border is drawn by this DecoratedBox.
@@ -62,7 +62,7 @@ class RoundedSuperellipseBorderExampleState
6262
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6464
Row(
65-
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65+
mainAxisAlignment: .center,
6666
children: <Widget>[
6767
const Text('Shape: '),
6868
CupertinoSwitch(
@@ -135,7 +135,7 @@ class SliderRow extends StatelessWidget {
135135
Widget build(BuildContext context) {
136136
return Flex(
137137
direction: Axis.horizontal,
138-
mainAxisAlignment: MainAxisAlignment.center,
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mainAxisAlignment: .center,
139139
children: <Widget>[
140140
ConstrainedBox(
141141
constraints: const BoxConstraints(minWidth: 50),

‎examples/api/lib/painting/star_border/star_border.0.dart‎

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@@ -62,15 +62,15 @@ class _StarBorderExampleState extends State<StarBorderExample> {
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fontSize: 14.0,
6464
fontFamily: 'Roboto',
65-
fontStyle: FontStyle.normal,
65+
fontStyle: .normal,
6666
),
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child: ListView(
6868
children: <Widget>[
6969
ColoredBox(color: Colors.grey.shade200, child: Options(_model)),
7070
Padding(
71-
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71+
padding: const .all(18.0),
7272
child: Row(
73-
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73+
mainAxisAlignment: .spaceEvenly,
7474
children: <Widget>[
7575
Expanded(
7676
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@@ -102,21 +102,21 @@ class _StarBorderExampleState extends State<StarBorderExample> {
102102
),
103103
),
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Row(
105-
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105+
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106106
children: <Widget>[
107107
Expanded(
108108
child: Container(
109109
color: Colors.black12,
110-
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111-
padding: const EdgeInsets.all(16.0),
110+
margin: const .all(16.0),
111+
padding: const .all(16.0),
112112
child: SelectableText(_model.starCode),
113113
),
114114
),
115115
Expanded(
116116
child: Container(
117117
color: Colors.black12,
118-
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119-
padding: const EdgeInsets.all(16.0),
118+
margin: const .all(16.0),
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padding: const .all(16.0),
120120
child: SelectableText(_model.polygonCode),
121121
),
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),
@@ -137,8 +137,8 @@ class ExampleBorder extends StatelessWidget {
137137
@override
138138
Widget build(BuildContext context) {
139139
return Container(
140-
alignment: Alignment.center,
141-
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140+
alignment: .center,
141+
padding: const .all(20),
142142
width: 150,
143143
height: 100,
144144
decoration: ShapeDecoration(color: Colors.blue.shade100, shape: border),
@@ -185,9 +185,9 @@ class _OptionsState extends State<Options> {
185185
@override
186186
Widget build(BuildContext context) {
187187
return Padding(
188-
padding: const EdgeInsets.fromLTRB(5.0, 0.0, 5.0, 10.0),
188+
padding: const .fromLTRB(5.0, 0.0, 5.0, 10.0),
189189
child: Column(
190-
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190+
mainAxisSize: .min,
191191
children: <Widget>[
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Row(
193193
children: <Widget>[
@@ -255,7 +255,7 @@ class _OptionsState extends State<Options> {
255255
message:
256256
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257257
child: Padding(
258-
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258+
padding: const .all(8.0),
259259
child: OutlinedButton(
260260
child: const Text('Nearest'),
261261
onPressed: () {
@@ -413,11 +413,11 @@ class ControlSlider extends StatelessWidget {
413413
@override
414414
Widget build(BuildContext context) {
415415
return Padding(
416-
padding: const EdgeInsets.all(4.0),
416+
padding: const .all(4.0),
417417
child: Row(
418-
mainAxisSize: MainAxisSize.min,
418+
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419419
children: <Widget>[
420-
Expanded(flex: 2, child: Text(label, textAlign: TextAlign.end)),
420+
Expanded(flex: 2, child: Text(label, textAlign: .end)),
421421
Expanded(
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flex: 5,
423423
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‎examples/api/lib/rendering/box/parent_data.0.dart‎

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@@ -91,7 +91,7 @@ class _SampleAppState extends State<SampleApp> {
9191
],
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),
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body: SingleChildScrollView(
94-
padding: const EdgeInsets.symmetric(horizontal: 30.0, vertical: 20.0),
94+
padding: const .symmetric(horizontal: 30.0, vertical: 20.0),
9595
// CompactLayout and OpenLayout are the two rendering widgets defined below.
9696
child: _compact
9797
? const CompactLayout(children: body)

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