在AVPlayer中显示播放控件

Question

我能够运行视频，但是我无法看到像暂停和滑块这样的控制按钮与视频交互。询问类似的查询（see here），但我没有按照答案。

Answer 1

我得到了描述的答案。 See here。要显示播放，暂停按钮等系统播放控件，我们需要AVPlayerViewController。 以下是Objective-C中的实现。

@interface ViewController ()
@property (strong,nonatomic) AVPlayerViewController *avPlayerViewController;
@property (strong,nonatomic) AVPlayer *avPlayer;
@end

    - (void)viewDidLoad {
    [super viewDidLoad];
    //URL for the file. It can be over HTTP or local file URL. 
    NSURL *folderURL=[NSURL fileURLWithPath:uploadFolderLocation];
    NSURL *movieURL=[folderURL URLByAppendingPathComponent:@"video.mp4"];

    self.avPlayer = [AVPlayer playerWithURL:movieURL];

    self.avPlayerViewController=[[AVPlayerViewController alloc]init];
    self.avPlayerViewController.player=self.avPlayer;    
}

- (IBAction)playButtonTapped:(id)sender {
    //Trigger the video to play

    //AVPlayer object can direct its visual output to AVPlayer. AVPlayerVC is a AVPlayerViewController. You can add it via objects in bottom-right corner.
    AVPlayerVC *avPLayerVC=[[AVPlayerVC alloc] init];
    avPLayerVC.player=self.avPlayer;

    [self addChildViewController:self.avPlayerViewController];
    [self.view addSubview:self.avPlayerViewController.view];
    self.avPlayerViewController.view.frame=self.view.frame;
    [self.avPlayerViewController.player play];
   }

带控制按钮的视频图片：