初始化
This commit is contained in:
谢宇宁
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import 'dart:async';
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import 'dart:io';
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import 'dart:isolate';
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import 'dart:ui';
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import 'package:flutter/material.dart';
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import 'package:m3u8_downloader/m3u8_downloader.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'video_player_page.dart';
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void main() => runApp(MyApp());
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class MyApp extends StatefulWidget {
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@override
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_MyAppState createState() => _MyAppState();
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}
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class _MyAppState extends State<MyApp> {
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ReceivePort _port = ReceivePort();
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String? _downloadingUrl;
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//
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//http://m3u8.afhklsdd.com/d1af20263f1b11cc685ba52e842f6659.m3u8
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// 未加密的url地址（喜羊羊与灰太狼之决战次时代）
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//String url1 = "http://m3u8.afhklsdd.com/2eb056a7a1fc2774aa536421939d73a49652eac7.m3u8"; //"https://cdn.605-zy.com/20210713/MiJecHrZ/index.m3u8";
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// 加密的url地址（火影忍者疾风传）
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//String url2 = "https://v3.dious.cc/20201116/SVGYv7Lo/index.m3u8";
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String url2 =
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"http://163.53.216.122:9898/api/media/m3u8/sp/ah/a9/nk/pr/441c94f4f57b4b1a9058217eaf3663d3.m3u8?Authorization=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJwdWJsaWMiLCJleHAiOjE2OTQzNDIzMTEsImlzc3VlciI6ImNvbS5idXR0ZXJmbHkiLCJzdWIiOiJhc2lnbiIsInVzZXJJZCI6OTk4MzMxMn0.u98UciEaat-JYiSx5GueWtYMM8gt61TSBy43maBdCvI"; // "http://m3u8.afhklsdd.com/7266e82a230a18ef457fe82b6c853fad.m3u8";
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//"http://m3u8.afhklsdd.com/7266e82a230a18ef457fe82b6c853fad.m3u8";
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//"https://m3u8.afhklsdd.com/fd1ff0da268f722901030204c0c1edbf.m3u8";//"http://m3u8.afhklsdd.com/d1af20263f1b11cc685ba52e842f6659.m3u8";
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dynamic taskInfo;
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
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initAsync();
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});
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}
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dynamic progress;
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void initAsync() async {
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String saveDir = await _findSavePath();
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print(saveDir);
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bool result = await M3u8Downloader.initialize(onSelect: () async {
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print('下载成功点击');
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return null;
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});
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print("initialize====$result");
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await M3u8Downloader.config(
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saveDir: saveDir,
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threadCount: 5,
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convertMp4: true,
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debugMode: true,
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progressCallback: progressCallback,
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successCallback: successCallback,
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errorCallback: errorCallback,
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);
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// 注册监听器
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IsolateNameServer.registerPortWithName(_port.sendPort, 'downloader_send_port');
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_port.listen((dynamic data) {
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// 监听数据请求
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print(data);
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progress = data;
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setState(() {});
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});
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}
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Future<bool> _checkPermission() async {
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var status = await Permission.storage.status;
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if (!status.isGranted) {
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status = await Permission.storage.request();
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}
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return status.isGranted;
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}
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Future<String> _findSavePath() async {
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var directory = await getExternalStorageDirectory(); //getApplicationSupportDirectory();
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String saveDir = "/sdcard/vPlayDownload"; //directory!.path + '/vPlayDownload';
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Directory root = Directory(saveDir);
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if (!root.existsSync()) {
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await root.create();
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}
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print(saveDir);
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return saveDir;
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}
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static progressCallback(dynamic args) {
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//print("progressCallback====$args");
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final SendPort? send = IsolateNameServer.lookupPortByName('downloader_send_port');
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if (send != null) {
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args["status"] = 1;
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send.send(args);
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}
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}
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static successCallback(dynamic args) {
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print("successCallback====$args");
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final SendPort? send = IsolateNameServer.lookupPortByName('downloader_send_port');
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if (send != null) {
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send.send({"status": 2, "url": args["url"], "filePath": args["filePath"], "dir": args["dir"]});
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}
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}
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static errorCallback(dynamic args) {
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print("errorCallback====$args");
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final SendPort? send = IsolateNameServer.lookupPortByName('downloader_send_port');
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if (send != null) {
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send.send({"status": 3, "url": args["url"]});
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}
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}
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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useInheritedMediaQuery: true,
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home: Scaffold(
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appBar: AppBar(
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title: const Text('Plugin example app'),
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),
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body: Column(
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children: <Widget>[
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ElevatedButton(
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child: Text("${_downloadingUrl == url2 ? '暂停' : '下载'}已加密m3u8"),
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onPressed: () {
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if (_downloadingUrl == url2) {
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// 暂停
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setState(() {
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_downloadingUrl = null;
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});
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M3u8Downloader.pause(url2);
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return;
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}
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// 下载
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_checkPermission().then((hasGranted) async {
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if (hasGranted) {
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await M3u8Downloader.config(
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convertMp4: true,
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);
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setState(() {
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_downloadingUrl = url2;
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});
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final result = await M3u8Downloader.download(
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url: url2,
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name: "下载已加密m3u8",
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);
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print("=========download:$result");
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if (result != null) {
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setState(() {
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_downloadingUrl = null;
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});
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}
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}
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});
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},
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),
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ElevatedButton(
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child: Text("打开已下载的已加密的文件"),
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onPressed: () async {
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final result = await M3u8Downloader.download(
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url: url2,
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name: "下载已加密m3u8",
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progressCallback: progressCallback,
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successCallback: successCallback,
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errorCallback: errorCallback);
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print("=========download:$result");
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if (result != null) {
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setState(() {
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_downloadingUrl = null;
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});
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}
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},
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),
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ElevatedButton(
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child: Text("清空下载"),
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onPressed: () async {
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await M3u8Downloader.delete(url2);
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print("清理完成");
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},
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),
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ElevatedButton(
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child: Text(taskInfo?.toString() ?? "查询"),
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onPressed: () async {
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taskInfo = await M3u8Downloader.searchInfo(url2);
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print("=======taskInfo:");
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print(taskInfo);
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print("=======taskInfo:");
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setState(() {});
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},
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),
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Container(
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child: Text(progress?.toString() ?? "progress"),
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),
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ElevatedButton(
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child: Text("movie"),
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onPressed: () {
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print("Navigator push:${context}");
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Navigator.of(context).push(
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MaterialPageRoute(
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builder: (context) => VideoM38UPlayerPage(),
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),
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);
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// Navigator.of(context).push(MaterialPageRoute(builder: (context){
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// print("Navigator push VideoPlayerPage");
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// return VideoPlayerPage();
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// }));
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},
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),
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Container(
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height: 300,
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width: 400,
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child: VideoM38UPlayerPage(),
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),
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],
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),
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),
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);
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}
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}
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@@ -0,0 +1,112 @@
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import 'dart:io';
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import 'package:m3u8_downloader/m3u8_downloader.dart';
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import 'package:video_player/video_player.dart';
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import 'package:flutter/material.dart';
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//视频播放器封装需要使用动态类
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class VideoM38UPlayerPage extends StatefulWidget {
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@override
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_VideoPlayerPageState createState() => _VideoPlayerPageState();
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}
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//继承VideoApp类
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class _VideoPlayerPageState extends State<VideoM38UPlayerPage> {
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//定义一个VideoPlayerController
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VideoPlayerController? _controller;
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//重写类方法initState()，初始化界面
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@override
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void initState() {
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super.initState();
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print("_VideoPlayerPageState init");
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//设置视频参数 (..)是级联的意思
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// initController();
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}
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void initController() {
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String url = "http://163.53.216.122:9898/api/media/m3u8/sp/ah/a9/nk/pr/441c94f4f57b4b1a9058217eaf3663d3.m3u8?Authorization=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJwdWJsaWMiLCJleHAiOjE2OTQzNDIzMTEsImlzc3VlciI6ImNvbS5idXR0ZXJmbHkiLCJzdWIiOiJhc2lnbiIsInVzZXJJZCI6OTk4MzMxMn0.u98UciEaat-JYiSx5GueWtYMM8gt61TSBy43maBdCvI"; //"""https://m3u8.afhklsdd.com/5678954c76ece8b4345ae437e7344367e22e2G1o.m3u8";
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M3u8Downloader.searchInfo(url).then((result) {
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if (result is Map) {
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Map fileInfoMap = result;
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String? filePath = fileInfoMap["localPath"];
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// filePath = filePath?.replaceAll("local.m3u8", "remote.m3u8");
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print(filePath);
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if (filePath?.isNotEmpty == true) {
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_controller = VideoPlayerController.file(File(filePath!))
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..initialize().then((value) {
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setState(() {
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if (_controller == null) {
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_controller?.addListener(() {setState(() {
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});});
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print("_controller success local path");
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_controller?.play();
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}
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});
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});
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}else {
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_controller = VideoPlayerController.network(url)..initialize().then((value) {
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setState(() {
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if (_controller == null) {
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_controller?.addListener(() {setState(() {
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});});
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print("_controller success");
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_controller?.play();
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}
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});
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});
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}
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}
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});
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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leading: Text("back"),
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),
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body: Center(
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child: (_controller?.value.isInitialized ?? false)
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? AspectRatio(
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aspectRatio: _controller!.value.aspectRatio,
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child: VideoPlayer(_controller!),
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)
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: Container(
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child: Text("没有要播放的视频"),
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),
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),
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//右下角图标按钮onPressed中需要调用setState方法，用于刷新界面
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floatingActionButton: FloatingActionButton(
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onPressed: () {
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setState(() {
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if (_controller != null) {
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_controller!.value.isPlaying
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? _controller!.pause() : _controller!.play();
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}else{
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initController();
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}
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});
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},
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child: Icon(
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(_controller?.value.isPlaying ?? false)? Icons.pause : Icons.play_arrow,
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),
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),
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);
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}
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//dispose():程序中是用来关闭一个GUI页面的
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//视频播放完需要把页面关闭
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@override
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void dispose() {
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super.dispose();
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_controller?.dispose();
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}
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}
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