flutter ios swift avplayer 播放器自动播放下一集

使用监听监听结束事件

import Foundation
import AVKit
import MediaPlayer
import Flutter

class FlutterAVPlayerView: NSObject, FlutterPlatformView {
    private var _flutterAVPlayerViewController: AVPlayerViewController
    private var urlArray: [URL] = []

    init(frame: CGRect,
         viewIdentifier: CLongLong,
         arguments: Dictionary<String, Any>,
         binaryMessenger: FlutterBinaryMessenger) {
        _flutterAVPlayerViewController = AVPlayerViewController()
        _flutterAVPlayerViewController.viewDidLoad()

        super.init()

        if let urls = arguments["urls"] {
            print("^^^^^^^ ios native av player init urls: \(urls) ^^^^^^^")
            setupPlayerWithURL(urls as! [String])
        } else if let filePath = arguments["file"] {
            print("^^^^^^^ ios native av player init file: \(filePath) ^^^^^^^")
            setupPlayerWithFile(filePath as! String)
        }

    }

    func view() -> UIView {
        return _flutterAVPlayerViewController.view
    }

    private func setupPlayerWithURL(_ urls: [String]) {
        guard urlArray.isEmpty else {
            return
        }

        urlArray = urls.compactMap {
            URL(string: $0)
        }

        _flutterAVPlayerViewController.player = AVPlayer(playerItem: AVPlayerItem(url: URL(string: urls.first ?? "")!))

        NotificationCenter.default.addObserver(forName: .AVPlayerItemDidPlayToEndTime, object: nil, queue: .main) { [weak self] _ in
            self?.playNextVideo()
        }

        playNextVideo()

    }

    private func setupPlayerWithFile(_ filePath: String) {
        let appDelegate = UIApplication.shared.delegate as! FlutterAppDelegate
        let vc = appDelegate.window.rootViewController as! FlutterViewController
        let lookUpKey = vc.lookupKey(forAsset: filePath)
        if let path = Bundle.main.path(forResource: lookUpKey, ofType: nil) {
            let item = AVPlayerItem(url: URL(fileURLWithPath: path))
            _flutterAVPlayerViewController.player = AVPlayer(playerItem: item)
        }
    }

    deinit {
        NotificationCenter.default.removeObserver(self)
        _flutterAVPlayerViewController.player?.pause()
    }

    private func playNextVideo() {
        guard let currentPlayer = _flutterAVPlayerViewController.player else {
            return
        }
        
        let nextURL = urlArray.removeFirst()
        print("^^^^^^^ ios native play next video  url: \(nextURL.absoluteString) ^^^^^^^")
        let nextItem = AVPlayerItem(url: nextURL)
        currentPlayer.replaceCurrentItem(with: nextItem)
        currentPlayer.play()
    }
}