feat(mobile-next): 导入官方 openim-flutter-demo 固定基线 3.8.3-patch.3 并完成双构建
- 上游: github.com/OpenIMSDK/openim-flutter-demo tag 3.8.3-patch.3 commit b3dfdb1e8aaeaaf6f0793e10cadd20d5c184a31f - 并行目录 mobile-next/ 原样导入（含 LICENSE），不覆盖现网 mobile/ - 锁定 Flutter 3.24.5 / Dart 3.5.4 / JDK 17 / Gradle 7.6.3 / AGP 7.3.1 - 实测 Android debug 与 release 构建均成功（见 docs/mobile-next-baseline-import.md） - 本提交可单独回退：git revert 1db1229（重写前） Co-authored-by: multica-agent <github@multica.ai>
This commit is contained in:
编码工程师
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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter_download_manager/flutter_download_manager.dart';
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import 'package:path_provider/path_provider.dart';
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void main() {
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runApp(const MyApp());
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}
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class MyApp extends StatelessWidget {
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const MyApp({super.key});
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'Flutter Demo',
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theme: ThemeData(
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primarySwatch: Colors.blue,
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),
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home: const MyHomePage(title: 'Flutter Demo Home Page'),
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);
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}
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}
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class MyHomePage extends StatefulWidget {
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const MyHomePage({super.key, required this.title});
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final String title;
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@override
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State<MyHomePage> createState() => _MyHomePageState();
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}
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class _MyHomePageState extends State<MyHomePage> {
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var url2 = "http://download.dcloud.net.cn/HBuilder.9.0.2.macosx_64.dmg";
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var url3 =
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'https://cdn.jsdelivr.net/gh/flutterchina/flutter-in-action@1.0/docs/imgs/book.jpg';
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var url = "http://app01.78x56.com/Xii_2021-03-13%2010%EF%BC%9A41.ipa";
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var url4 =
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"https://jsoncompare.org/LearningContainer/SampleFiles/Video/MP4/sample-mp4-file.mp4";
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var url5 =
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"https://jsoncompare.org/LearningContainer/SampleFiles/Video/MP4/Sample-Video-File-For-Testing.mp4";
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var downloadManager = DownloadManager();
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var savedDir = "";
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@override
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void initState() {
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super.initState();
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getApplicationSupportDirectory().then((value) => savedDir = value.path);
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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(title: Text("Flutter Download Manager")),
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body: SingleChildScrollView(
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child: Column(
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children: [
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ListItem(
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onDownloadPlayPausedPressed: (url) async {
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setState(() {
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var task = downloadManager.getDownload(url);
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if (task != null && !task.status.value.isCompleted) {
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switch (task.status.value) {
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case DownloadStatus.downloading:
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downloadManager.pauseDownload(url);
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break;
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case DownloadStatus.paused:
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downloadManager.resumeDownload(url);
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break;
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}
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} else {
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downloadManager.addDownload(url,
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"$savedDir/${downloadManager.getFileNameFromUrl(url)}");
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}
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});
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},
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onDelete: (url) {
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var fileName =
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"$savedDir/${downloadManager.getFileNameFromUrl(url)}";
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var file = File(fileName);
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file.delete();
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downloadManager.removeDownload(url);
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setState(() {});
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},
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url: url,
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downloadTask: downloadManager.getDownload(url)),
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ListItem(
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onDownloadPlayPausedPressed: (url) async {
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setState(() {
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var task = downloadManager.getDownload(url);
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if (task != null && !task.status.value.isCompleted) {
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switch (task.status.value) {
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case DownloadStatus.downloading:
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downloadManager.pauseDownload(url);
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break;
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case DownloadStatus.paused:
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downloadManager.resumeDownload(url);
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break;
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}
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} else {
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downloadManager.addDownload(url,
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"$savedDir/${downloadManager.getFileNameFromUrl(url)}");
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}
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});
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},
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onDelete: (url) {
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var fileName =
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"$savedDir/${downloadManager.getFileNameFromUrl(url)}";
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var file = File(fileName);
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file.delete();
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downloadManager.removeDownload(url);
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setState(() {});
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},
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url: url2,
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downloadTask: downloadManager.getDownload(url2)),
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Column(
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children: [
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Text("Batch Downloads"),
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),
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ListItem(
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onDownloadPlayPausedPressed: (url) async {
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setState(() {
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var task = downloadManager.getDownload(url);
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if (task != null && !task.status.value.isCompleted) {
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switch (task.status.value) {
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case DownloadStatus.downloading:
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downloadManager.pauseDownload(url);
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break;
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case DownloadStatus.paused:
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downloadManager.resumeDownload(url);
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break;
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}
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} else {
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downloadManager.addDownload(url,
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"$savedDir/${downloadManager.getFileNameFromUrl(url)}");
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}
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});
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},
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onDelete: (url) {
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var fileName =
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"$savedDir/${downloadManager.getFileNameFromUrl(url)}";
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var file = File(fileName);
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file.delete();
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downloadManager.removeDownload(url);
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setState(() {});
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},
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url: url3,
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downloadTask: downloadManager.getDownload(url3)),
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ListItem(
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onDownloadPlayPausedPressed: (url) async {
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setState(() {
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var task = downloadManager.getDownload(url);
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if (task != null && !task.status.value.isCompleted) {
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switch (task.status.value) {
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case DownloadStatus.downloading:
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downloadManager.pauseDownload(url);
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break;
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case DownloadStatus.paused:
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downloadManager.resumeDownload(url);
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break;
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}
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} else {
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downloadManager.addDownload(url,
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"$savedDir/${downloadManager.getFileNameFromUrl(url)}");
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}
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});
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},
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onDelete: (url) {
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var fileName =
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"$savedDir/${downloadManager.getFileNameFromUrl(url)}";
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var file = File(fileName);
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file.delete();
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downloadManager.removeDownload(url);
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setState(() {});
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},
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url: url4,
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downloadTask: downloadManager.getDownload(url4)),
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ListItem(
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onDownloadPlayPausedPressed: (url) async {
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setState(() {
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var task = downloadManager.getDownload(url);
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if (task != null && !task.status.value.isCompleted) {
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switch (task.status.value) {
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case DownloadStatus.downloading:
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downloadManager.pauseDownload(url);
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break;
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case DownloadStatus.paused:
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downloadManager.resumeDownload(url);
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break;
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}
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} else {
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downloadManager.addDownload(url,
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"$savedDir/${downloadManager.getFileNameFromUrl(url)}");
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}
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});
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},
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onDelete: (url) {
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var fileName =
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"$savedDir/${downloadManager.getFileNameFromUrl(url)}";
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var file = File(fileName);
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file.delete();
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downloadManager.removeDownload(url);
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setState(() {});
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},
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url: url5,
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downloadTask: downloadManager.getDownload(url5)),
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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TextButton(
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onPressed: () {
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downloadManager.addBatchDownloads(
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[url3, url4, url5], savedDir);
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setState(() {});
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},
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child: Text("Download All")),
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TextButton(
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onPressed: () {
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downloadManager
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.pauseBatchDownloads([url3, url4, url5]);
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},
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child: Text("Pause All")),
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TextButton(
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onPressed: () {
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downloadManager
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.cancelBatchDownloads([url3, url4, url5]);
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},
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child: Text("Cancel All")),
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],
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),
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ValueListenableBuilder(
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valueListenable: downloadManager
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.getBatchDownloadProgress([url3, url4, url5]),
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builder: (context, value, child) {
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return Container(
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margin: const EdgeInsets.symmetric(vertical: 4),
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child: LinearProgressIndicator(
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value: value,
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),
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);
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}),
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FutureBuilder<List<DownloadTask?>?>(
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future: downloadManager
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.whenBatchDownloadsComplete([url3, url4, url5]),
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builder: (BuildContext context,
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AsyncSnapshot<List<DownloadTask?>?> snapshot) {
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switch (snapshot.connectionState) {
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case ConnectionState.waiting:
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return Text(
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'I will wait till the batch downloads have been completed');
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default:
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if (snapshot.hasError) {
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return Text('Error: ${snapshot.error}');
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} else {
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return snapshot.data != null
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? Column(children: [
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Text("Result"),
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for (var e in snapshot.data!)
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e != null
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? Padding(
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padding:
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const EdgeInsets.all(8.0),
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child: Text(
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"${downloadManager.getFileNameFromUrl(e.request.url)}: ${e.status.value}"),
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)
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: Text("Not found"),
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])
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: Text("No Downloads have been found");
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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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),
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),
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);
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}
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}
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class ListItem extends StatelessWidget {
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final Function(String) onDownloadPlayPausedPressed;
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final Function(String) onDelete;
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DownloadTask? downloadTask;
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String url = "";
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ListItem(
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{Key? key,
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required this.url,
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required this.onDownloadPlayPausedPressed,
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required this.onDelete,
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this.downloadTask})
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: super(key: key);
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@override
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Widget build(BuildContext context) {
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return Padding(
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padding: const EdgeInsets.all(8.0),
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child: Container(
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decoration: BoxDecoration(
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border: Border.all(
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color: Colors.amber,
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),
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borderRadius: BorderRadius.all(Radius.circular(20))),
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padding: const EdgeInsets.all(8.0),
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child: Column(
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children: [
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Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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url,
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overflow: TextOverflow.ellipsis,
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),
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if (downloadTask != null)
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ValueListenableBuilder(
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valueListenable: downloadTask!.status,
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builder: (context, value, child) {
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 8),
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child: Text("$value",
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style: TextStyle(fontSize: 16)),
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);
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}),
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],
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)),
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downloadTask != null
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? ValueListenableBuilder(
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valueListenable: downloadTask!.status,
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builder: (context, value, child) {
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switch (downloadTask!.status.value) {
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case DownloadStatus.downloading:
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return IconButton(
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onPressed: () {
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onDownloadPlayPausedPressed(url);
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},
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icon: const Icon(Icons.pause));
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case DownloadStatus.paused:
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return IconButton(
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onPressed: () {
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onDownloadPlayPausedPressed(url);
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},
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icon: const Icon(Icons.play_arrow));
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case DownloadStatus.completed:
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return IconButton(
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onPressed: () {
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onDelete(url);
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},
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icon: const Icon(Icons.delete));
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case DownloadStatus.failed:
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case DownloadStatus.canceled:
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return IconButton(
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onPressed: () {
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onDownloadPlayPausedPressed(url);
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},
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icon: const Icon(Icons.download));
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}
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return Text("$value", style: TextStyle(fontSize: 16));
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})
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: IconButton(
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onPressed: () {
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onDownloadPlayPausedPressed(url);
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},
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icon: const Icon(Icons.download))
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],
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), // if (widget.item.isDownloadingOrPaused)
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if (downloadTask != null && !downloadTask!.status.value.isCompleted)
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ValueListenableBuilder(
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valueListenable: downloadTask!.progress,
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builder: (context, value, child) {
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return Container(
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margin: const EdgeInsets.symmetric(vertical: 4),
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child: LinearProgressIndicator(
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value: value,
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color:
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downloadTask!.status.value == DownloadStatus.paused
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? Colors.grey
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: Colors.amber,
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),
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);
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}),
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if (downloadTask != null)
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FutureBuilder<DownloadStatus>(
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future: downloadTask!.whenDownloadComplete(),
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builder: (BuildContext context,
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AsyncSnapshot<DownloadStatus> snapshot) {
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switch (snapshot.connectionState) {
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case ConnectionState.waiting:
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return Text(
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'I will wait till this download has been completed');
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default:
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if (snapshot.hasError) {
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return Text('Error: ${snapshot.error}');
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} else {
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return Text('Result: ${snapshot.data}');
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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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}
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}
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