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

void main() => runApp(const VideoApp());

/// Stateful widget to fetch and then display video content.
class VideoApp extends StatefulWidget {
  const VideoApp({Key? key}) : super(key: key);

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

class _VideoAppState extends State<VideoApp> {
  late VideoPlayerController _controller;

  @override
  void initState() {
    super.initState();
    _controller = VideoPlayerController.network(
      videoPlayerOptions: VideoPlayerOptions(allowBackgroundPlayback: true),
      'https://rcwl-prod.s3.eu-west-2.amazonaws.com/files/15d8fd20-80fe-4829-9c28-8766ae5bbd25/PRE_AND_POST_NATAL/FINAL_FULL_BODY_PREG_WORKOUT_WITH_HILS.mp4',
    )..initialize().then((_) {
        // Ensure the first frame is shown after the video is initialized, even before the play button has been pressed.
        setState(() {});
      });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Video Demo',
      home: Scaffold(
        body: Center(
          child: _controller.value.isInitialized
              ? AspectRatio(
                  aspectRatio: _controller.value.aspectRatio,
                  child: VideoPlayer(_controller),
                )
              : const CircularProgressIndicator(),
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: () {
            setState(() {
              _controller.value.isPlaying ? _controller.pause() : _controller.play();
            });
          },
          child: Icon(
            _controller.value.isPlaying ? Icons.pause : Icons.play_arrow,
          ),
        ),
      ),
    );
  }

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