Untitled

import 'package:flutter/material.dart';
import 'package:html/parser.dart' as parser;
import 'package:html/dom.dart' as dom;
import 'package:url_launcher/url_launcher.dart';

class VideoExtractor extends StatefulWidget {
  @override
  _VideoExtractorState createState() => _VideoExtractorState();
}

class _VideoExtractorState extends State<VideoExtractor> {
  String videoUrl = '';

  void extractVideoUrl(String html) {
    dom.Document document = parser.parse(html);
    dom.Element iframeElement = document.querySelector('.iframe > iframe');
    String srcAttribute = iframeElement?.attributes['src'];
    if (srcAttribute != null) {
      setState(() {
        videoUrl = srcAttribute;
      });
    }
  }

  @override
  void initState() {
    super.initState();
    String html = "<p><br></p><div class=\"iframe\"><iframe src=\"https://panet.com/player?v=https://live1.panet.co.il/edge_abr/halaTV/playlist.m3u8\" frameborder=\"0\" width=\"100%\" height=\"380px\"></iframe></div><p><br></p><div class=\"iframe\"><br></div><p><br>وفقا الانباء الاولية المتوفرة فان الاصابات بحادثة الدهس متفاوتة .<br><span style=\"font-size: 1rem;\">نص \" ان نص نصن نصصنصنصن \".</span></p><p><span style=\"color: rgb(255, 0, 0); background-color: rgb(255, 255, 255);\">ابابابا :\" اب \"</span><br>من جه \".</p><div class=\"summernote-image\"><img src=\"http://ipublish.panet.com//media/photos/2peja0fhhzyx/rg7k/2peja0fhhzyxrg7k.jpg\" width=\"450px\" style=\"margin-top: 2px; margin-bottom: 2px\"><br><span style=\"color: rgb(255, 0, 0); font-weight: bold;\">تصوير الحمراء\r\n</span><br class=\"Apple-interchange-newline\"></div><div class=\"summernote-image\"><br></div>";
    extractVideoUrl(html);
  }

  void launchVideo() async {
    if (await canLaunch(videoUrl)) {
      await launch(videoUrl);
    } else {
      print('Failed to launch the video.');
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Video Extractor'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            ElevatedButton(
              onPressed: launchVideo,
              child: Text('Play Video'),
            ),
          ],
        ),
      ),
    );
  }
}