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Code Issues Releases Wiki Activity

Flutter 3.29 beta (#2571)

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This commit is contained in:
Eric Windmill
2025-02-12 18:08:01 -05:00
committed by GitHub
parent d62c784789
commit 719fd72c38
685 changed files with 76244 additions and 53721 deletions
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69
isolate_example/lib/data_transfer_page.dart
View File

@@ -53,9 +53,7 @@ class DataTransferPage extends StatelessWidget {
value: controller.progressPercent,
backgroundColor: Colors.grey[200],
),
const Expanded(
child: RunningList(),
),
const Expanded(child: RunningList()),
Column(
children: [
ElevatedButton(
@@ -116,7 +114,9 @@ class DataTransferIsolateController extends ChangeNotifier {
Future<void> createIsolate() async {
_incomingReceivePort = ReceivePort();
_isolate = await Isolate.spawn(
_secondIsolateEntryPoint, _incomingReceivePort.sendPort);
_secondIsolateEntryPoint,
_incomingReceivePort.sendPort,
);
}
void listen() {
@@ -126,7 +126,9 @@ class DataTransferIsolateController extends ChangeNotifier {
_outgoingSendPort = message;
case int():
currentProgress.insert(
0, '$message% - ${_timer.elapsedMilliseconds / 1000} seconds');
0,
'$message% - ${_timer.elapsedMilliseconds / 1000} seconds',
);
progressPercent = message / 100;
case 'done':
runningTest = 0;
@@ -176,8 +178,9 @@ class DataTransferIsolateController extends ChangeNotifier {
}
if (transferableTyped) {
final transferable =
TransferableTypedData.fromList([Int32List.fromList(randNums)]);
final transferable = TransferableTypedData.fromList([
Int32List.fromList(randNums),
]);
await sendNumbers(transferable);
} else {
await sendNumbers(randNums);
@@ -208,9 +211,7 @@ class RunningList extends StatelessWidget {
Provider.of<DataTransferIsolateController>(context).currentProgress;
return DecoratedBox(
decoration: BoxDecoration(
color: Colors.grey[200],
),
decoration: BoxDecoration(color: Colors.grey[200]),
child: ListView.builder(
itemCount: progress.length,
itemBuilder: (context, index) {
@@ -218,14 +219,9 @@ class RunningList extends StatelessWidget {
children: [
Card(
color: Colors.lightGreenAccent,
child: ListTile(
title: Text(progress[index]),
),
),
const Divider(
color: Colors.blue,
height: 3,
child: ListTile(title: Text(progress[index])),
),
const Divider(color: Colors.blue, height: 3),
],
);
},
@@ -239,27 +235,28 @@ Future<void> _secondIsolateEntryPoint(SendPort sendPort) async {
sendPort.send(receivePort.sendPort);
var length = 1;
receivePort.listen(
(dynamic message) async {
if (message is String && message == 'start') {
await generateAndSum(sendPort, createNums(), length);
receivePort.listen((dynamic message) async {
if (message is String && message == 'start') {
await generateAndSum(sendPort, createNums(), length);
sendPort.send('done');
} else if (message is TransferableTypedData) {
await generateAndSum(
sendPort, message.materialize().asInt32List(), length);
length++;
} else if (message is List<int>) {
await generateAndSum(sendPort, message, length);
length++;
}
sendPort.send('done');
} else if (message is TransferableTypedData) {
await generateAndSum(
sendPort,
message.materialize().asInt32List(),
length,
);
length++;
} else if (message is List<int>) {
await generateAndSum(sendPort, message, length);
length++;
}
if (length == 101) {
sendPort.send('done');
length = 1;
}
},
);
if (length == 101) {
sendPort.send('done');
length = 1;
}
});
}
Iterable<int> createNums() sync* {

28
isolate_example/lib/infinite_process_page.dart
View File

@@ -48,9 +48,7 @@ class InfiniteProcessPage extends StatelessWidget {
style: Theme.of(context).textTheme.titleLarge,
),
),
const Expanded(
child: RunningList(),
),
const Expanded(child: RunningList()),
Column(
mainAxisSize: MainAxisSize.min,
children: [
@@ -96,7 +94,7 @@ class InfiniteProcessPage extends StatelessWidget {
groupValue: controller.currentMultiplier,
onChanged: (val) => controller.setMultiplier(val!),
),
Text('${i}x')
Text('${i}x'),
],
],
),
@@ -129,8 +127,10 @@ class InfiniteProcessIsolateController extends ChangeNotifier {
Future<void> createIsolate() async {
receivePort = ReceivePort();
newIsolate =
await Isolate.spawn(_secondIsolateEntryPoint, receivePort.sendPort);
newIsolate = await Isolate.spawn(
_secondIsolateEntryPoint,
receivePort.sendPort,
);
}
void listen() {
@@ -201,27 +201,23 @@ class RunningList extends StatelessWidget {
var sums = controller.currentResults;
return DecoratedBox(
decoration: BoxDecoration(
color: Colors.grey[200],
),
decoration: BoxDecoration(color: Colors.grey[200]),
child: ListView.builder(
itemCount: sums.length,
itemBuilder: (context, index) {
return Column(
children: [
Card(
color: (controller.created && !controller.paused)
? Colors.lightGreenAccent
: Colors.deepOrangeAccent,
color:
(controller.created && !controller.paused)
? Colors.lightGreenAccent
: Colors.deepOrangeAccent,
child: ListTile(
leading: Text('${sums.length - index}.'),
title: Text('${sums[index]}.'),
),
),
const Divider(
color: Colors.blue,
height: 3,
),
const Divider(color: Colors.blue, height: 3),
],
);
},

21
isolate_example/lib/main.dart
View File

@@ -24,11 +24,7 @@ import 'performance_page.dart';
void main() {
setupWindow();
runApp(
const MaterialApp(
home: HomePage(),
),
);
runApp(const MaterialApp(home: HomePage()));
}
const double windowWidth = 1024;
@@ -55,18 +51,9 @@ class HomePage extends StatelessWidget {
appBar: AppBar(
bottom: const TabBar(
tabs: [
Tab(
icon: Icon(Icons.flash_on),
text: 'Performance',
),
Tab(
icon: Icon(Icons.sync),
text: 'Infinite Process',
),
Tab(
icon: Icon(Icons.storage),
text: 'Data Transfer',
),
Tab(icon: Icon(Icons.flash_on), text: 'Performance'),
Tab(icon: Icon(Icons.sync), text: 'Infinite Process'),
Tab(icon: Icon(Icons.storage), text: 'Data Transfer'),
],
),
title: const Text('Isolate Example'),

72
isolate_example/lib/performance_page.dart
View File

@@ -57,9 +57,9 @@ class _PerformancePageState extends State<PerformancePage> {
return ElevatedButton(
style: ElevatedButton.styleFrom(elevation: 8.0),
onPressed: switch (snapshot.connectionState) {
ConnectionState.done => () =>
handleComputeOnMain(context),
_ => null
ConnectionState.done =>
() => handleComputeOnMain(context),
_ => null,
},
child: const Text('Compute on Main'),
);
@@ -69,13 +69,14 @@ class _PerformancePageState extends State<PerformancePage> {
future: computeFuture,
builder: (context, snapshot) {
return ElevatedButton(
style: ElevatedButton.styleFrom(elevation: 8.0),
onPressed: switch (snapshot.connectionState) {
ConnectionState.done => () =>
handleComputeOnSecondary(context),
_ => null
},
child: const Text('Compute on Secondary'));
style: ElevatedButton.styleFrom(elevation: 8.0),
onPressed: switch (snapshot.connectionState) {
ConnectionState.done =>
() => handleComputeOnSecondary(context),
_ => null,
},
child: const Text('Compute on Secondary'),
);
},
),
],
@@ -87,14 +88,12 @@ class _PerformancePageState extends State<PerformancePage> {
}
void handleComputeOnMain(BuildContext context) {
var future = computeOnMainIsolate()
..then((_) {
var snackBar = const SnackBar(
content: Text('Main Isolate Done!'),
);
if (!context.mounted) return;
ScaffoldMessenger.of(context).showSnackBar(snackBar);
});
var future =
computeOnMainIsolate()..then((_) {
var snackBar = const SnackBar(content: Text('Main Isolate Done!'));
if (!context.mounted) return;
ScaffoldMessenger.of(context).showSnackBar(snackBar);
});
setState(() {
computeFuture = future;
@@ -102,14 +101,14 @@ class _PerformancePageState extends State<PerformancePage> {
}
void handleComputeOnSecondary(BuildContext context) {
var future = computeOnSecondaryIsolate()
..then((_) {
var snackBar = const SnackBar(
content: Text('Secondary Isolate Done!'),
);
if (!context.mounted) return;
ScaffoldMessenger.of(context).showSnackBar(snackBar);
});
var future =
computeOnSecondaryIsolate()..then((_) {
var snackBar = const SnackBar(
content: Text('Secondary Isolate Done!'),
);
if (!context.mounted) return;
ScaffoldMessenger.of(context).showSnackBar(snackBar);
});
setState(() {
computeFuture = future;
@@ -146,13 +145,15 @@ class _SmoothAnimationWidgetState extends State<SmoothAnimationWidget>
void initState() {
super.initState();
_animationController =
AnimationController(duration: const Duration(seconds: 1), vsync: this);
_animationController = AnimationController(
duration: const Duration(seconds: 1),
vsync: this,
);
_borderAnimation = BorderRadiusTween(
begin: BorderRadius.circular(100.0),
end: BorderRadius.circular(0.0))
.animate(_animationController);
begin: BorderRadius.circular(100.0),
end: BorderRadius.circular(0.0),
).animate(_animationController);
_animationController.repeat(reverse: true);
}
@@ -170,16 +171,11 @@ class _SmoothAnimationWidgetState extends State<SmoothAnimationWidget>
decoration: BoxDecoration(
gradient: const LinearGradient(
begin: Alignment.topLeft,
colors: [
Colors.blueAccent,
Colors.redAccent,
],
colors: [Colors.blueAccent, Colors.redAccent],
),
borderRadius: _borderAnimation.value,
),
child: const FlutterLogo(
size: 200,
),
child: const FlutterLogo(size: 200),
);
},
),

2
isolate_example/pubspec.yaml
View File

@@ -4,7 +4,7 @@ version: 1.0.0+1
publish_to: none
environment:
sdk: ^3.5.0
sdk: ^3.7.0-0
dependencies:
flutter: