Flutter (web) video_player自动播放

import 'package:flutter/material.dart';
import 'package:video_player/video_player.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Video Player Demo'),
        ),
        body: Center(
          child: VideoPlayerWidget(),
        ),
      ),
    );
  }
}

class VideoPlayerWidget extends StatefulWidget {
  @override
  _VideoPlayerWidgetState createState() => _VideoPlayerWidgetState();
}

class _VideoPlayerWidgetState extends State<VideoPlayerWidget> {
  VideoPlayerController _controller;

  @override
  void initState() {
    super.initState();
    _controller = VideoPlayerController.network('https://example.com/video.mp4')
      ..initialize().then((_) {
        setState(() {});
        _controller.play();
      });
  }

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

  @override
  Widget build(BuildContext context) {
    if (_controller.value.isInitialized) {
      return AspectRatio(
        aspectRatio: _controller.value.aspectRatio,
        child: VideoPlayer(_controller),
      );
    } else {
      return CircularProgressIndicator();
    }
  }
}