chewie: 0.9.10  video_player: 0.10.11  image_picker: 0.6.7

import 'package:chewie/chewie.dart';import 'package:flutter/material.dart';import 'package:image_picker/image_picker.dart';import 'package:rich_edit/rich_edit.dart';import 'package:video_player/video_player.dart';class SimpleRichEditController extends RichEditController {  Map<String, ChewieController> controllers = Map();  //添加视频方法  @override  Future<String> addVideo() async {    var pickedFile = await ImagePicker().getVideo(source: ImageSource.gallery);    if (pickedFile != null) {      //模拟上传后返回的路径      return "http://static.fanghnet.com/uploads/szx/uploads/2020/06/353f2c48ce164e368cc040c4fb425331.mp4";    }    return null;  }  //添加图片方法  @override  Future<String> addImage() async {    var pickedFile = await ImagePicker().getImage(source: ImageSource.gallery);    if (pickedFile != null) {      //模拟上传后返回的路径      return "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1592205365009&di=fcc201c596fc6681fe7812aa7fea4b23&imgtype=0&src=http://a3.att.hudong.com/14/75/01300000164186121366756803686.jpg";    }    return null;  }  //生成视频view方法  @override  Widget generateVideoView(RichEditData data) {    if (!controllers.containsKey(data.data)) {      var controller = ChewieController(        videoPlayerController: VideoPlayerController.network(data.data),        autoPlay: false,        autoInitialize: true,        aspectRatio: 16 / 9,        looping: false,        showControls: true,        // 占位图        placeholder: new Container(          color: Colors.grey,        ),      );      controllers[data.data] = controller;    }    var video = Chewie(      controller: controllers[data.data],    );    return video;  } //生成图片view方法  @override  Widget generateImageView(RichEditData data) =>      Image.network(data.data, height: 200, width: 300);}

RichEdit(SimpleRichEditController());