class MyBlinkingButton extends StatefulWidget {
@override
_MyBlinkingButtonState createState() => _MyBlinkingButtonState();
}
class _MyBlinkingButtonState extends State<MyBlinkingButton>
with SingleTickerProviderStateMixin {
AnimationController _animationController;
@override
void initState() {
_animationController =
new AnimationController(vsync: this, duration: Duration(seconds: 1));
_animationController.repeat(reverse: true);
super.initState();
}
@override
Widget build(BuildContext context) {
return FadeTransition(
opacity: _animationController,
child: MaterialButton(
onPressed: () => null,
child: Text("Text button"),
color: Colors.green,
),
);
}
@override
void dispose() {
_animationController.dispose();
super.dispose();
}
}
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