flutter控件之Material

import 'package:flutter/material.dart';
class LearnMaterial extends StatefulWidget{
  @override
  State<StatefulWidget> createState() {
    return new _LearnMaterial();
  }
}
class _LearnMaterial extends State<LearnMaterial>{
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      body: new Column(
        children: <Widget>[
          new Center(
            child: new Material(
              color: Colors.blueAccent,
              shape: new BeveledRectangleBorder(//斜角矩形边框
                side:new BorderSide(
                  width: 1.0,
                  color: Colors.blueAccent,
                  style: BorderStyle.none,
                ),
                borderRadius:new BorderRadius.circular(50.0),
              ),
              child: new Container(
                padding: EdgeInsets.all(20.0),
                child: new Text('斜角矩形边框'),
              ),
            ),
          ),
          new Center(
            child: new Material(
              color: Colors.blueAccent,
              shape: new BeveledRectangleBorder(//斜角矩形边框
                side:new BorderSide(
                  width: 1.0,
                  color: Colors.blueAccent,
                  style: BorderStyle.none,
                ),
                borderRadius:new BorderRadius.circular(10.0),
              ),
              child: new Container(
                padding: EdgeInsets.all(20.0),
                child: new Text('斜角矩形边框'),
              ),
            ),
          ),
          new Center(
            child: new Material(
              color: Colors.blueAccent,
              shape:new BorderDirectional(
                start: new BorderSide(
                  color: Colors.yellow,
                  width: 10.0,
                ),
                top: new BorderSide(
                  color: Colors.deepOrange,
                  width: 10.0,
                ),
                end: new BorderSide(
                  color: Colors.black87,
                  width: 10.0,
                ),
                bottom: new BorderSide(
                  color: Colors.purpleAccent,
                  width: 10.0,
                )
              ),
              child:new Container(
                padding: EdgeInsets.all(30.0),
                child: new Text('多彩边框'),
              ),
            ),
          ),
          new Center(
            child: new Material(
              color: Colors.blueAccent,
              shape: new CircleBorder(
                side: new BorderSide(
                  color: Colors.yellow,
                  width: 10.0,
                )
              ),
              child: new Container(
                padding: EdgeInsets.all(50.0),
                child: new Text('圆形边框'),
              ),
            ),
          ),
          new Center(
            child: new Material(
              color: Colors.blueAccent,
              shape: new RoundedRectangleBorder(
                side: new BorderSide(
                  color: Colors.purpleAccent,
                  width: 5.0,
                ),
                borderRadius:new BorderRadius.circular(20.0), //如果[borderRadius]被指定，那么[type]属性不能是 [MaterialType.circle]。
              ),
              child: new Container(
                padding: EdgeInsets.all(30.0),
                child: new Text('圆角矩形'),
              ),
            ),
          ),
          new Center(
            child: new Material(
              color: Colors.purpleAccent,
              elevation: 10.0,
              shadowColor: Colors.yellow,
              shape: new StadiumBorder(
                side: new BorderSide(
                  color: Colors.brown,
                  width: 5.0,
                )
              ),
              child: new Container(
                padding: EdgeInsets.all(30.0),
                child: new Text('体育场形状'),
              ),
            ),
          )
        ],
      )
    );
  }
}