VideoPlayerController.network() 运行进入源错误

Question

我正在尝试使用 VideoPlayerController.netWork() 方法从互联网播放视频，但我尝试的每个 url 都遇到以下指定的错误：

来源错误。 E/flutter ( 4250): [错误:flutter/lib/ui/ui_dart_state.cc(157)] 未处理的异常: PlatformException(VideoError, 视频播放器有错误 com.google.android.exoplayer2.ExoPlaybackException: com.google.android.exoplayer2.upstream.HttpDataSource$HttpDataSourceException：无法连接到 https://file-examples.com/wp-content/uploads/2017/04/file_example_MP4_480_1_5MG.mp4，空） E/flutter ( 4250): #0 ChewieController._initialize (包:chewie/src/chewie_player.dart:291:7) E/flutter ( 4250): E/flutter ( 4250): #1 new ChewieController (package:chewie/src/chewie_player.dart:197:5) E/flutter ( 4250): #2 _ChewieListState.initState (包:flutterappvideoandshit/screens/chewie_list.dart:20:25) E/flutter ( 4250): #3 StatefulElement._firstBuild (包:flutter/src/widgets/framework.dart:4640:58) E/flutter ( 4250): #4 ComponentElement.mount (包:flutter/src/widgets/framework.dart:4476:5) E/flutter ( 4250): #5 Element.inflateWidget (包:flutter/src/widgets/framework.dart:3446:14) E/flutter ( 4250): #6 Element.updateChild (包:flutter/src/widgets/framework.dart:3214:18) E/flutter ( 4250): #7 SingleChildRenderObjectElement.mount (包:flutter/src/widgets/framework.dart:5830:14) E/flutter ( 4250): #8 Element.inflateWidget (包:flutter/src/widgets/framework.dart:3446:14) E/flutter ( 4250): #9 Element.updateChild （包：flutter/src/widgets/framework.dart:3214:18） E/flutter（4250）：#10 SingleChildRenderObjectElement.mount（包：flutter/src/widgets/framework.dart:5830:14） E/flutter ( 4250): #11 Element.inflateWidget (包:flutter/src/widgets/framework.dart:3446:14) E/flutter ( 4250): #12 Element.updateChild (包:flutter/src/widgets/framework.dart:3214:18) E/flutter ( 4250): #13 ComponentElement.performRebuild （包：flutter/src/widgets/framework.dart:4527:16） E/flutter ( 4250): #14 Element.rebuild （包：flutter/src/widgets/framework.dart:4218:5） E/flutter ( 4250): #15 ComponentElement._firstBuild (包:flutter/src/widgets/framework.dart:4481:5) E/flutter ( 4250): #16 ComponentElement.mount （包：flutter/src/widgets/framework.dart:4476:5） E/flutter ( 4250): #17 Element.inflateWidget （包：flutter/src/widgets/framework.dart:3446:14） E/flutter ( 4250): #18 Element.updateChild （包：flutter/src/widgets/framework.dart:3214:18） E/flutter ( 4250): #19 ComponentElement.performRebuild （包：flutter/src/widgets/framework.dart:4527:16） E/flutter ( 4250): #20 Element.rebuild (包:flutter/src/widgets/framework.dart:4218:5) E/flutter ( 4250): #21 ComponentElement._firstBuild (包:flutter/src/widgets/framework.dart:4481:5) E/flutter ( 4250): #22 ComponentElement.mount （包：flutter/src/widgets/framework.dart:4476:5） E/flutter ( 4250): #23 Element.inflateWidget （包：flutter/src/widgets/framework.dart:3446:14） E/flutter（4250）：#24Element.updateChild（包：flutter/src/widgets/framework.dart:3214:18） E/flutter ( 4250): #25 ComponentElement.performRebuild （包：flutter/src/widgets/framework.dart:4527:16） E/flutter ( 4250): #26 StatefulElement.performRebuild （包：flutter/src/widgets/framework.dart:4675:11） E/flutter ( 4250): #27 Element.rebuild （包：flutter/src/widgets/framework.dart:4218:5） E/flutter ( 4250): #28 ComponentElement._firstBuild （包：flutter/src/widgets/framework.dart:4481:5） E/flutter ( 4250): #29 StatefulElement._firstBuild （包：flutter/src/widgets/framework.dart:4666:11） E/flutter ( 4250): #30 ComponentElement.mount （包：flutter/src/widgets/framework.dart:4476:5） E/flutter ( 4250): #31 Element.inflateWidget （包：flutter/src/widgets/framework.dart:3446:14） E/flutter（4250）：#32Element.updateChild（包：flutter/src/widgets/framework.dart:3214:18） E/flutter ( 4250): #33 ComponentElement.performRebuild （包：flutter/src/widgets/framework.dart:4527:16） E/flutter ( 4250): #34 Element.rebuild （包：flutter/src/widgets/framework.dart:4218:5） E/flutter ( 4250): #35 ComponentElement._firstBuild （包：flutter/src/widgets/framework.dart:4481:5） E/flutter ( 4250): #36 ComponentElement.mount （包：flutter/src/widgets/framework.dart:4476:5） E/flutter ( 4250): #37 Element.inflateWidget （包：flutter/src/widgets/framework.dart:3446:14） E/flutter ( 4250): #38 Element.updateChild （包：flutter/src/widgets/framework.dart:3214:18） E/flutter（4250）：#39 SliverMultiBoxAdaptorElement.updateChild（包：flutter/src/widgets/sliver.dart:1147:36） E/flutter ( 4250): #40 SliverMultiBoxAdaptorElement.createChild。（包：flutter/src/widgets/sliver.dart:1132:20） E/flutter ( 4250): #41 BuildOwner.buildScope (包:flutter/src/widgets/framework.dart:2607:19)

这是我的代码：


import 'package:video_player/video_player.dart';
import 'package:chewie/chewie.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
    home: HomePage(),
    );
  }
}
class HomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("Video Player"),
      ),
      body: ListView(
        children: <Widget>[
          ChewieList(
            videoPlayerController: VideoPlayerController.asset('assets/videos/soccer.mp4'),
            looping: true,
          ),
          ChewieList(
            videoPlayerController: VideoPlayerController.network(
                'https://file-examples.com/wp-content/uploads/2017/04/file_example_MP4_480_1_5MG.mp4'),
          ),
          /*
          ChewieList(
            videoPlayerController: VideoPlayerController.network(
                'http://file-examples.com/wp-content/uploads/2017/04/file_example_MP4_480_1_5MG.mp4'),
          )
           */
        ],
      ),
    );
  }
}




class ChewieList extends StatefulWidget {
  ChewieList({@required this.videoPlayerController,this.looping,Key key,}) : super(key:key);
  final VideoPlayerController videoPlayerController;
  final bool looping;

  @override
  _ChewieListState createState() => _ChewieListState();
}

class _ChewieListState extends State<ChewieList> {
  ChewieController _chewieController;
  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    _chewieController = ChewieController(
        videoPlayerController: widget.videoPlayerController,
        aspectRatio: 16/9,
        autoInitialize: true,
        looping: widget.looping,
        errorBuilder: (context,errMsg){
          return Center(
            child:Column(
              mainAxisSize: MainAxisSize.min,
              mainAxisAlignment: MainAxisAlignment.center,
              children: <Widget>[
                Icon(Icons.warning,color: Colors.yellowAccent,),
                Text("!خطایی در برقراری ارتباط رخ داده است",style: TextStyle(color: Colors.white),)
              ],
            ),
          );
        }
    );
  }

  @override
  void dispose() {
    // TODO: implement dispose
    super.dispose();
    widget.videoPlayerController.dispose();
    _chewieController.dispose();
  }
  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: EdgeInsets.all(8.0),
      child: Chewie(
        controller: _chewieController,
      ),
    );
  }
}

快把我逼疯了！！！！伙计们请帮助我。

Answer 1

你用错了url。您发布的 url 不是真实视频 url 而只是重定向 url.

试试：

VideoPlayerController.network('https://file-examples-com.github.io/uploads/2017/04/file_example_MP4_480_1_5MG.mp4'),

（请记住，iOS 模拟器和其他并不总是支持视频播放。）

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