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Refactor layers example (#83070)

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This commit is contained in:
Abhishek Ghaskata 2021-05-21 23:04:08 +05:30 committed by GitHub
parent cce5e3aa9c
commit 1ca84e60b8
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 15 additions and 28 deletions
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11
examples/layers/services/isolate.dart
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@ -210,21 +210,14 @@ class IsolateExampleState extends State<StatefulWidget> with SingleTickerProvide
String _label = 'Start'; String _label = 'Start';
String _result = ' '; String _result = ' ';
double _progress = 0.0; double _progress = 0.0;
late AnimationController _animation; late final AnimationController _animation = AnimationController(
late CalculationManager _calculationManager;
@override
void initState() {
super.initState();
_animation = AnimationController(
duration: const Duration(milliseconds: 3600), duration: const Duration(milliseconds: 3600),
vsync: this, vsync: this,
)..repeat(); )..repeat();
_calculationManager = CalculationManager( late final CalculationManager _calculationManager = CalculationManager(
onProgressListener: _handleProgressUpdate, onProgressListener: _handleProgressUpdate,
onResultListener: _handleResult, onResultListener: _handleResult,
); );
}
@override @override
void dispose() { void dispose() {

8
examples/layers/widgets/spinning_square.dart
View File

@ -12,19 +12,13 @@ class SpinningSquare extends StatefulWidget {
} }
class _SpinningSquareState extends State<SpinningSquare> with SingleTickerProviderStateMixin { class _SpinningSquareState extends State<SpinningSquare> with SingleTickerProviderStateMixin {
late AnimationController _animation;
@override
void initState() {
super.initState();
// We use 3600 milliseconds instead of 1800 milliseconds because 0.0 -> 1.0 // We use 3600 milliseconds instead of 1800 milliseconds because 0.0 -> 1.0
// represents an entire turn of the square whereas in the other examples // represents an entire turn of the square whereas in the other examples
// we used 0.0 -> math.pi, which is only half a turn. // we used 0.0 -> math.pi, which is only half a turn.
_animation = AnimationController( late final AnimationController _animation = AnimationController(
duration: const Duration(milliseconds: 3600), duration: const Duration(milliseconds: 3600),
vsync: this, vsync: this,
)..repeat(); )..repeat();
}
@override @override
void dispose() { void dispose() {