bool _first = true;
double _fontSize = 60;
Color _color = Colors.blue;
@override
Widget build(BuildContext context) {
return Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Container(
height: 120,
child: AnimatedDefaultTextStyle(
duration: const Duration(milliseconds: 300),
style: TextStyle(
fontSize: _fontSize,
color: _color,
fontWeight: FontWeight.bold,
),
child: Text('Flutter'),
),
),
FlatButton(
onPressed: () {
setState(() {
_fontSize = _first ? 90 : 60;
_color = _first ? Colors.blue : Colors.red;
_first = !_first;
});
},
child: Text(
"CLICK ME!",
),
)
],
);
}
