如何在 ViewController 中将 AVPlayer 添加到 UIView

Posted 2023-03-10

【中文标题】如何在 ViewController 中将 AVPlayer 添加到 UIView

【英文标题】：how to add AVPlayer to UIView in ViewController

【发布时间】：2016-06-24 10:27:35

【问题描述】：

我是UIViewController 我有一个到UIView 的出口，我想在那里使用外部链接显示视频。在这种情况下，我尝试创建 AVPlayerLayer 并将其添加到我的 UIView 插座。

我的代码是这样的：

class VievController: UICollectionViewController 
    @IBOutlet weak var playerView: UIView!

    override func viewDidLoad()
            let playerItem = AVPlayerItem(URL: NSURL(string: ("https://www.youtube.com/watch?v=_yE_XgoWBso"))!)
            let avPlayer = AVPlayer(playerItem: playerItem)
            let playerLayer = AVPlayerLayer(player: avPlayer)
            playerLayer.frame = playerView.bounds
            playerLayer.videoGravity = AVLayerVideoGravityResizeAspectFill
            playerView.layer.addSublayer(playerLayer)
            avPlayer.play()
    
//end class

我不知道为什么在我的UIVIew 插座上看不到视频 - 什么也没发生。你有什么建议我应该解决什么？

【问题讨论】：

只需实现 AVPlayerViewControllerDelegate 就可以了

【参考方案1】：

Below code help you to solve the issue

Adjust the frame according to your needs

- (void)viewDidLoad

   [super viewDidLoad];
   NSError *setCategoryError = nil;
  [[AVAudiosession sharedInstance] setCategory:AVAudioSessionCategoryPlayback error: &setCategoryError];
  NSString *urlString=[NSString stringWithFormat:@"%@",@"http://www.youtube.com/watch?v=zPP6lXaL7KA&feature=youtube_gdata_player"];
  AVAsset *asset = [AVAsset assetWithURL:[NSURL urlWithString:urlString]];
  avPlayerItem = [[AVPlayerItem alloc]initWithAsset:asset];
  self.songPlayer = [AVPlayer playerWithPlayerItem:avPlayerItem];
  self.avPlayerLayer = [AVPlayerLayer playerLayerWithPlayer: self.songPlayer];
  self.avPlayerLayer.frame = self.view.layer.bounds;
  UIView *newView = [[UIView alloc] initWithFrame:self.view.bounds];
  [newView.layer addSublayer:avPlayerLayer];
  [self.view addSubview:newView];
  [ self.songPlayer play];

【讨论】：

您的答案可能是正确的，但该问题专门要求提供 Swift 代码示例，而不是 Objective-C。请编辑。谢谢！

【参考方案2】：

很遗憾，您无法使用 AVPlayer 播放 YouTube、Vimeo 等。 为此，您必须使用 UIWebView。

【参考方案3】：

    let url = NSBundle.mainBundle().URLForResource("ding.mp3", withExtension: nil)
    guard let newURL = url else 
         print("Could not find file:")
        return
    
    do 

        backgroundMusicPlayer = try AVAudioPlayer(contentsOfURL: newURL)
        backgroundMusicPlayer.numberOfLoops = 0
        backgroundMusicPlayer.prepareToPlay()
        backgroundMusicPlayer.play()

     catch let error as NSError 
        //print(error.description)
    

你只需要导入 avfoundation 框架然后使用上面的代码

【讨论】：

我询问了关于从外部链接而不是从包中加载视频