第11章组件装饰和视觉效果-DecoratedBox装饰盒子-LinearGradient线性渐变

防采集标记：亢少军老师的课程和资料

import 'package:flutter/material.dart';

class LayoutDemo extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        title: new Text('LinearGradient线性渐变效果'),
      ),
      body: new Center(
        child: new DecoratedBox(
          decoration: new BoxDecoration(
            gradient: new LinearGradient(
              begin: const FractionalOffset(0.5, 0.0),//起始偏移量
              end: const FractionalOffset(1.0, 1.0),//终止偏移量
              //渐变颜色数据集
              colors: [
                Colors.red,
                Colors.green,
                Colors.blue,
                Colors.grey,
              ],
            ),
          ),
          child: new Container(
            width: 280.0,
            height: 280.0,
            child: new Center(
              child: Text(
                'LinearGradient线性渐变效果',
                style: TextStyle(
                  color: Colors.black,
                  fontSize: 28.0,
                ),
              ),
            ),
          ),
        ),
      ),
    );
  }
}

void main() {
  runApp(
    new MaterialApp(
      title: 'DecoratedBox装饰盒子示例',
      home: new LayoutDemo(),
    ),
  );
}

• Flutter技术入门与实战: http://product.dangdang.com/26485813.html
• Flutter交流学习群：894109159
• Flutter开源项目请关注: https://github.com/kangshaojun
• Flutter****：https://edu.****.net/lecturer/2436

@作者: 亢少军