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| import 'package:flutter/material.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
// TODO: implement build
return new MaterialApp(
title: 'flutter demo',
home: _home(),
);
}
}
class _home extends StatefulWidget {
@override
State<StatefulWidget> createState() {
return _homeState();
}
}
class _homeState extends State<_home> {
@override
Widget build(BuildContext context) {
// TODO: implement build
return new Scaffold(
appBar: new AppBar(
title: Text("title"),
centerTitle: true,
),
body: new Column(
children: <Widget>[
RaisedButton(
child: Text("RaisedButton"),
onPressed: _pressed,//onPressed点击回调 这里设置的是一个空的方法 默认是null，为null时会禁用点击事件
elevation: 2.0,
//正常状态下的阴影
highlightElevation: 4.0,
//按下时的阴影
disabledElevation: 0.0,
// 禁用时的阴影
),
FlatButton(
child: Text("FlatButton"),
onPressed: _pressed,
),
OutlineButton(
child: Text("OutlineButton"),
onPressed: _pressed,
),
IconButton(
icon: Icon(Icons.thumb_up),
onPressed: _pressed,
),
FlatButton(
child: Text("自定义样式"),
//child按钮中的内容
textColor: Colors.white,
//文字颜色
disabledTextColor: Colors.red,
//按钮禁用时的文字颜色
color: Colors.lightBlue,
//背景颜色
disabledColor: Colors.grey,
//按钮禁用时的背景颜色
highlightColor: Colors.amber,
//按钮按下时的背景颜色
splashColor: Colors.black12,
//点击时，水波动画中水波的颜色
padding: EdgeInsets.all(2.0),
//内边距
colorBrightness: Brightness.dark,
////按钮主题，默认是浅色主题
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(4.0)),
//外形
onPressed: _pressed,
),
],
),
);
}
void _pressed() {}
}
|
