AlignmentGeometry _alignment = Alignment.topRight;
void _changeAlignment() {
setState(() {
_alignment = _alignment == Alignment.topRight ? Alignment.bottomLeft : Alignment.topRight;
});
}
@override
Widget build(BuildContext context) {
return Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Container(
height: 120.0,
width: 120.0,
color: Colors.blue[50],
child: AnimatedAlign(
alignment: _alignment,
curve: Curves.ease,
duration: Duration(seconds: 3),
child: FlutterLogo(
size: 60,
),
),
),
FlatButton(
onPressed: () {
_changeAlignment();
},
child: Text(
"Click Me!",
),
)
],
);
}
