SimpleDialog 简单对话框

一个简单的对话框结构，可指定头、中处的组件。拥有拥有标题、内容的文字样式和边距，影深、形状等属性。常与SimpleDialogOption联用。

相关组件

SimpleDialogOption

SimpleDialog基本使用

【title】：底部组件【widget】
【children】：子组件列表【List】
【titlePadding】：顶部内边距【EdgeInsetsGeometry】
【contentPadding】：内容内边距【EdgeInsetsGeometry】
【backgroundColor】：右下角组件列表【背景色】
【elevation】：右下角组件列表【背景色】
【shape】：影深【double】

import 'dart:math';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
class CustomSimpleDialog extends StatelessWidget {
  final info = [
    '性别:    男     未婚',
    '微信:    zdl1994328',
    "掘金:    张风捷特烈",
    "github:    toly1994328",
    "邮箱:    1981462008@qq.com",
  ];
  @override
  Widget build(BuildContext context) {
    return Stack(
      children: <Widget>[
        _buildSimpleDialog(context),
        Positioned(
            top: 70,
            right: 30,
            child: _buildRaisedButton(context)),
      ],
    );
  }
  Widget _buildRaisedButton(BuildContext context) => RaisedButton(
    shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.all(Radius.circular(10))),
    color: Colors.blue,
    onPressed: () {
      showDialog(context: context, builder: (ctx) => _buildSimpleDialog(ctx));
    },
    child: Text(
      'Just Show It',
      style: TextStyle(color: Colors.white),
    ),
  );
  SimpleDialog _buildSimpleDialog(BuildContext context) {
    return SimpleDialog(
    title: _buildTitle(),
    titlePadding: EdgeInsets.only(
      top: 5,
      left: 20,
    ),
    contentPadding: EdgeInsets.symmetric(horizontal: 5),
    children: _buildChild(context),
    backgroundColor: Colors.white,
    elevation: 4,
    shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.all(Radius.circular(10))),
  );
  }
  List<Column> _buildChild(BuildContext context) {
    return info
        .map((str) => Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: <Widget>[
                SimpleDialogOption(
                  onPressed: () => print(str),
                  child: Container(
                    width: double.infinity,
                    child: Text(
                      str,
                      style: TextStyle(color: Color(0xff999999), fontSize: 16),
                    ),
                  ),
                ),
                Divider(
                  indent: 20,
                  height: 12,
                  color: info.indexOf(str) == info.length - 1
                      ? Colors.transparent
                      : Theme.of(context).dividerColor,
                )
              ],
            ))
        .toList();
  }
  Widget _buildTitle() {
    return Row(
      //标题
      children: <Widget>[
        Image.asset(
          "assets/images/icon_head.png",
          width: 30,
          height: 30,
        ),
        SizedBox(
          width: 10,
        ),
        Expanded(
            child: Text(
          "张风捷特烈",
          style: TextStyle(fontSize: 18),
        )),
        CloseButton()
      ],
    );
  }
}