import 'package:flutter/material.dart';

/// create by 张风捷特烈 on 2020-03-28
/// contact me by email 1981462002@qq.com
/// 说明: 

//    {
//      "widgetId": 165,
//      "name": 'PageView基本使用',
//      "priority": 1,
//      "subtitle":
//          "【children】 : 子组件列表   【List<Widget>】\n"
//          "【onPageChanged】 : 点击事件  【ValueChanged<int>】",
//    }
class CustomPageView extends StatelessWidget {
  final data = <Color>[
    Colors.green[50],
    Colors.green[100],
    Colors.green[200],
    Colors.green[300],
    Colors.green[400],
    Colors.green[500],
    Colors.green[600],
    Colors.green[700],
    Colors.green[800],
    Colors.green[900],
  ];

  @override
  Widget build(BuildContext context) {
    return Container(
      height: 150,
      child: PageView(
        onPageChanged: (position){
          print(position);
        },
        children: data
            .map((color) => Container(
          alignment: Alignment.center,
          width: 90,
          color: color,
          child: Text(
            colorString(color),
            style: TextStyle(color: Colors.white,
                fontSize:24,shadows: [
              Shadow(
                  color: Colors.black,
                  offset: Offset(.5, .5),
                  blurRadius: 2)
            ]),
          ),
        ))
            .toList(),
      ),
    );
  }
  String colorString(Color color) =>
      "#${color.value.toRadixString(16).padLeft(8, '0').toUpperCase()}";
}