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mirror of https://github.com/flutter/samples.git synced 2025-11-08 22:09:06 +00:00

Flutter 3.29 beta (#2571)

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

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),
);
},
),