flutter_integrated_whb/lib/customWidget/big_video_viewer.dart

import 'package:flutter/material.dart';
import 'package:photo_view/photo_view.dart';
import 'package:qhd_prevention/customWidget/video_player_widget.dart';
import 'package:qhd_prevention/pages/my_appbar.dart';
import 'package:video_player/video_player.dart';
// 查看视频
class BigVideoViewer extends StatefulWidget {
  const BigVideoViewer({Key? key, required this.videoUrl}) : super(key: key);

  final String videoUrl;

  @override
  State<BigVideoViewer> createState() => _BigVideoViewerState();
}

class _BigVideoViewerState extends State<BigVideoViewer> {

  VideoPlayerController? _videoController;

  @override
  void initState() {
    // TODO: implement initState
    super.initState();

    _videoController?.removeListener(_controllerListener);
    _videoController?.dispose();
    _videoController = VideoPlayerController.networkUrl(Uri.parse(widget.videoUrl))
      ..initialize().then((_) {
        _videoController!
          ..play()
          ..addListener(_controllerListener);
      });
  }

  void _controllerListener() {
    if (mounted) setState(() {});
  }

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

  @override
  Widget build(BuildContext context) {

    return Scaffold(
      backgroundColor: Colors.black,
      appBar: MyAppbar(
        backgroundColor: Colors.transparent, title: '',
      ),
      body: SafeArea(child: Center(
        child: VideoPlayerWidget(
          allowSeek: false,
          controller: _videoController,
          coverUrl:"",
          aspectRatio: _videoController?.value.aspectRatio ?? 16/9,
        ),
      ),)
    );
  }
}