hyzp_ybqx/lib/components/customDialogA.dart

import 'package:flutter/material.dart';
import 'customDialogC.dart';
import 'commonFun.dart';

//视频列表對話框
class customDialogA extends Dialog {
  String title;
  String content;
  String url;

  customDialogA({this.title = "", this.content = "", this.url = ''});

  @override
  Widget build(BuildContext context) {
    Size mediaSize = MediaQuery.of(context).size;
    // TODO: implement build
    return WillPopScope(
      child: Material(
        type: MaterialType.transparency,
        child: Container(
          alignment: Alignment(0, 0),
          child: Container(
            // height: 260,
            // width: 300,
            height: mediaSize.height * 0.85,
            width: mediaSize.width * 0.95,
            //color: Colors.white,  //Cannot provide both a color and a decoration
            decoration: BoxDecoration(
              color: Colors.white,
              //border: Border.all(color: Colors.blue, width: 1.0),
              borderRadius: BorderRadius.all(
                Radius.circular(2),
              ),
            ),
            child: Column(
              children: <Widget>[
                Padding(
                  padding: EdgeInsets.fromLTRB(10, 10, 10, 0),
                  child: Stack(
                    children: <Widget>[
                      Align(
                        alignment: Alignment.center,
                        child: Text("${this.title}",
                            style: TextStyle(
                              fontSize: 18.0,
                            )),
                      ),
                      Align(
                        alignment: Alignment.centerRight,
                        child: InkWell(
                          child: Icon(Icons.close),
                          onTap: () {
                            Navigator.pop(context, url);
                          },
                        ),
                      )
                    ],
                  ),
                ),
                Divider(),
                //addDialoadContainer4(context, g_list, url),
                //MyDialogContent(countries: ['china', 'England']),
                MyDialogContent(list: g_list, url: url),
                SizedBox(height: 10),
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                  children: <Widget>[
                    RaisedButton(
                      onPressed: () {
                        Navigator.pop(context, url);
                      },
                      child: Text("取消"),
                    ),
                    RaisedButton(
                      child: Text("确认"),
                      onPressed: () async {
                        Navigator.pop(context, url); //关闭弹框，播放输入视频地址
                      },
                    )
                  ],
                ),
              ],
            ),
          ),
        ),
      ),
      onWillPop: () {
        // 屏蔽点击返回键的操作
        //player.pause();
        Navigator.pop(context, url);
      },
    );
  }
}

class MyDialogContent extends StatefulWidget {
  List<String> list;
  String url;
  MyDialogContent({this.list, this.url});

  @override
  _MyDialogContentState createState() => new _MyDialogContentState();
}

class _MyDialogContentState extends State<MyDialogContent> {
  @override
  Widget build(BuildContext context) {
    return addDialoadContainer4(context, widget.list, widget.url);
  }

  Widget addDialoadContainer4(
      BuildContext context, List<String> list, String url) {
    Size mediaSize = MediaQuery.of(context).size;

    int i = 0;
    print('\ng_list start =========================================\n');
    for (var s in list) {
      print('$i - ' + s + '\n');
      i++;
    }
    print('g_list start =========================================\n\n');

    return Container(
      height: mediaSize.height * 0.65, //0.75越界，0.7不越界。需要0.2 = 0.9 - 0.7
      width: mediaSize.width * 0.9,
      child: ListView.builder(
        shrinkWrap: true,
        itemCount: list.length,
        itemBuilder: (BuildContext context, int index) {
          int index2 = index + 1;
          return Column(
            mainAxisAlignment: MainAxisAlignment.spaceEvenly,
            crossAxisAlignment: CrossAxisAlignment.start,
            children: <Widget>[
              Container(
                padding: EdgeInsets.fromLTRB(20, 0, 10, 0),
                child: InkWell(
                  child: Text('$index2 : ' + list[index],
                      style: TextStyle(fontSize: 15.0)),
                  onTap: () {
                    print('index : $index');
                    Navigator.pop(context, list[index]);
                  },
                  onLongPress: () async {
                    await showDialog(
                        context: context,
                        builder: (context) {
                          myController.text = '';
                          return CustomDialogC(
                            title: "选择操作",
                            url: g_list[index],
                            index: index,
                          );
                        });
                    setState(() {});
                  },
                ),
              ),
              Divider(),
            ],
          );
        },
      ),
    );
  }
}