从URL数组在UIView中播放视频-快速-以编程方式

问题描述

我正在尝试使用初始化视图时传递的网址数组在UIView中播放视频：

let cardView = CardView(frame: .zero,cardModel: CardModel(name: "Bella Gu",urlStrings: ["url1","url2"]))

我以这种方式设置playerView内部视图：

 fileprivate func setUpPlayer(cardModel : CardModel){
    
    let videoURL = URL(string: (cardModel.urlStrings?.first)!)
    
    player = AVPlayer(url: videoURL!)
    playerLayer = AVPlayerLayer(player: player)
    
    playerLayer.videoGravity = .resizeAspectFill
    
    self.playerView.layer.insertSublayer(playerLayer,at: 0)
    
    self.playerView.layer.masksToBounds = true
    player.play()
    
}

 override func layoutSubviews() {
    self.layer.cornerRadius = 15
    playerLayer.frame = self.bounds
   
}

然后我想要当我点击右侧的视图时转到下一个视频，如果我点击左侧的视图则转到上一个视频；这就是我实现的。

@objc fileprivate func handleTapCard(sender: UITapGestureRecognizer){
    
    let tapXLocation = sender.location(in: self).x
    
    if tapXLocation >= self.frame.width/2{
        //go right
        goToNextVideo()
        
    }else{
        //go left
        goToPrev@R_502_6257@sVideo()
    }
}


fileprivate func goToNextVideo(){
    
    counter = counter + 1
    counter = min(counter,cardModel.urlStrings!.count - 1)
    print(counter)
    playVideoWithURL(urlString: cardModel.urlStrings![counter])
    updateProgressBar()
    
}


fileprivate func goToPrev@R_502_6257@sVideo(){
    
    counter = counter - 1
    counter = max(0,counter )
    print(counter)
    playVideoWithURL(urlString: cardModel.urlStrings![counter])
    updateProgressBar()
}



fileprivate func playVideoWithURL(urlString: String){
    
    guard let videoURL = URL(string: urlString) else {
        return
    }
    player = AVPlayer(url: videoURL)
    playerLayer = AVPlayerLayer(player: player)
    
    playerLayer.videoGravity = .resizeAspectFill
    
    self.playerView.layer.masksToBounds = true
    player.play()
}

实际上它只播放第一个视频，但是当我向右或向左轻按视图时从不播放

解决方法

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