flutter_scrollview_video

*/
I took this code from a production app and abbreviated it. 
You can't copy and paste this code.
The code is not complete.
This is just to give you and idea how to play videos in scroll views in flutter
*/

Widget _videoScrollView() {
    const Key centerKey = ValueKey<String>('video-sliver-list');
    return CustomScrollView(
      controller: videosScrollController,
      scrollDirection: Axis.vertical,
      center: centerKey,
      physics: PageScrollPhysics(),
      slivers: <Widget>[
        SliverList(
          key: centerKey,
          delegate: SliverChildBuilderDelegate(
            (BuildContext context, int index) {
              scrollVideoIndex = index;
              return MainScreenBackgroundWidget(
                  context: context, index: selectedIndex);
            },
            childCount: videoArray.length,
          ),
        ),
      ],
    );
  }

  //MainScreenBackgroundWidget
  Widget build(BuildContext context) {
    Size size = MediaQuery.of(context).size;

    Key _videoDisplayerkey = Key("VideoKey" + index.toString());
    final GlobalKey<VideoDisplayerState> _videoDisplayerkey = GlobalKey();
    return Stack(
      children: [
       Container(
                height: MediaQuery.of(context).size.height,
                child: VideoPlayerWidget(key: _videoDisplayerkey,)
              )
      ],
    );
  }

  //VideoPlayerWidget

class VideoPlayerWidget extends StatefulWidget {
  VideoPlayerWidget({Key? key, required this.videoName, required this.videoUrl})
      : super(key: key);
  final String videoName;
  final String videoUrl;

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

class VideoPlayerWidgetState extends State<VideoPlayerWidget> {
  late VideoPlayerController _videoController;
  bool isVideoReady = false;

  @override
  void initState() {
    if (widget.videoName.length > 0) {
      setupVideoPlayerForAsset();
    } else {
      setupVideoPlayerForUrl();
    }
    super.initState();
  }

  @override
  void dispose() {
    _videoController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return isVideoReady
        ? SizedBox.expand(
            child: FittedBox(
              fit: BoxFit.cover,
              child: SizedBox(
                  width: _videoController.value.size.width,
                  height: _videoController.value.size.height,
                  child: VideoPlayer(_videoController)),
            ),
          )
        : waitWidget();
  }

  Widget waitWidget() {
    return Container(
      width: MediaQuery.of(context).size.width,
      height: MediaQuery.of(context).size.height,
      //color: Colors.blueAccent,
      child: Container(
        color: Colors.black,
        child: Center(
          child: CircularProgressIndicator(
            color: Colors.blue,
          ),
        ),
      ),
    );
  }

  setupVideoPlayerForAsset() {
    _videoController = VideoPlayerController.asset(widget.videoName)
      ..initialize().then((_) {
        print("VIDEO PLAYER INITILIZED FOR ASSET");
        _videoController.play();
        _videoController.setLooping(true);
        _videoController.setVolume(0);
        setState(() {
          isVideoReady = true;
        });
      });
  }

  setupVideoPlayerForUrl() {
    _videoController = VideoPlayerController.network(widget.videoUrl)
      ..initialize().then((_) {
        print("VIDEO PLAYER INITILIZED-URL FOR URL");

        _videoController.play();
        _videoController.setLooping(true);
        _videoController.setVolume(0);
        setState(() {
          loadingVideoListenable.value = false;
          isVideoReady = true;
        });
      });
  }
}