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RepoList Animations: We don't need multiple animation controllers

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This commit is contained in:
Vishesh Handa
2021-02-04 17:03:30 +01:00
parent 66a8c6a185
commit 7d259715cf
1 changed files with 18 additions and 16 deletions
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34
lib/widgets/app_drawer.dart
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@ -23,25 +23,30 @@ class AppDrawer extends StatefulWidget {
_AppDrawerState createState() => _AppDrawerState();
}
class _AppDrawerState extends State<AppDrawer> with TickerProviderStateMixin {
AnimationController sizeController;
AnimationController slideController;
class _AppDrawerState extends State<AppDrawer>
with SingleTickerProviderStateMixin {
AnimationController animController;
Animation<double> sizeAnimation;
Animation<Offset> slideAnimation;
bool repoChooserVisible = false;
@override
void initState() {
super.initState();
slideController =
AnimationController(duration: 250.milliseconds, vsync: this);
sizeController =
animController =
AnimationController(duration: 250.milliseconds, vsync: this);
slideAnimation = Tween(begin: const Offset(0.0, -1.0), end: Offset.zero)
.animate(animController);
sizeAnimation = Tween(begin: 0.0, end: 1.0).animate(animController);
}
@override
void dispose() {
slideController.dispose();
sizeController.dispose();
animController.dispose();
super.dispose();
}
@ -71,14 +76,13 @@ class _AppDrawerState extends State<AppDrawer> with TickerProviderStateMixin {
);
w = SlideTransition(
position: Tween(begin: const Offset(0.0, -1.0), end: Offset.zero)
.animate(slideController),
position: slideAnimation,
transformHitTests: false,
child: w,
);
return SizeTransition(
sizeFactor: Tween(begin: 0.0, end: 1.0).animate(sizeController),
sizeFactor: sizeAnimation,
child: w,
);
}
@ -121,12 +125,10 @@ class _AppDrawerState extends State<AppDrawer> with TickerProviderStateMixin {
setState(() {
repoChooserVisible = !repoChooserVisible;
});
if (slideController.isCompleted) {
slideController.reverse(from: 1.0);
sizeController.reverse(from: 1.0);
if (animController.isCompleted) {
animController.reverse(from: 1.0);
} else {
slideController.forward(from: 0.0);
sizeController.forward(from: 0.0);
animController.forward(from: 0.0);
}
},
),