跨平台多媒体播放器SDK搭建

import 'package:flutter/material.dart';
import 'package:flutter/services.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')),
        body: 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://flutter.github.io/assets-for-api-docs/assets/videos/butterfly.mp4')
      ..initialize().then((_) {
        setState(() {});
        _controller.play();
      });
  }

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

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

// 在build.gradle文件中添加依赖
implementation 'com.google.android.exoplayer:exoplayer:2.X.X'

// 在Activity中使用
SimpleExoPlayer player = new SimpleExoPlayer.Builder(context).build();
playerView.setPlayer(player);
MediaItem mediaItem = MediaItem.fromUri("https://www.example.com/video.mp4");
player.setMediaItem(mediaItem);
player.prepare();
player.play();