![](/img/trans.png)
[英]Flutter - How do I toggle the color of a RaisedButton upon click?
[英]Flutter - How do I toggle the color of a FlatButton upon click?
我想在按下FlatButton
时更改颜色。 谢谢你的帮助。
import 'package:flutter/material.dart';
class ButtonCalculate extends StatelessWidget {
@override
Widget build(BuildContext context) {
var container = Container(
decoration: BoxDecoration(gradient: null,
borderRadius: BorderRadius.circular(20.0),
//color: Colors.amber,
boxShadow: [
BoxShadow(
color: Colors.black12,
offset: Offset(0.0, 0.5),
blurRadius: 40.5,
),
]),
child: new FlatButton(
child: Image(
image:AssetImage('assets/2.0x/Button_Calculate.png')),
onPressed: () {},
),
width: 290.0,
);
我想在按下FlatButton
时更改颜色。 谢谢你的帮助。
import 'package:flutter/material.dart';
class ButtonCalculate extends StatelessWidget {
@override
Widget build(BuildContext context) {
var container = Container(
decoration: BoxDecoration(gradient: null,
borderRadius: BorderRadius.circular(20.0),
//color: Colors.amber,
boxShadow: [
BoxShadow(
color: Colors.black12,
offset: Offset(0.0, 0.5),
blurRadius: 40.5,
),
]),
child: new FlatButton(
child: Image(
image:AssetImage('assets/2.0x/Button_Calculate.png')),
onPressed: () {},
),
width: 290.0,
);
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