EdgeInsetsGeometry _padding = EdgeInsets.zero;
void _changePadding() {
setState(() {
if (_padding.left == 100) {
_padding = EdgeInsets.only(top: 100, bottom: 100);
} else {
_padding = EdgeInsets.only(left: 100, right: 100);
}
});
}
@override
Widget build(BuildContext context) {
return Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Container(
height: 300.0,
width: 300.0,
child: AnimatedPadding(
padding: _padding,
curve: Curves.ease,
duration: Duration(seconds: 1),
child: Container(
color: Colors.blue,
),
),
),
FlatButton(
onPressed: () {
_changePadding();
},
child: Text(
"Click Me!",
),
)
],
);
}
