IOS AVPlayViewController 实现视频播放的控制

 1 import UIKit
 2 import AVFoundation
 3 import AVKit
 4
 5 class ViewController：UIViewController {
 6 override func viewDidLoad() {
 7 super.viewDidLoad()
 8 // Do any additional setup after loading the view,
 typically from a nib.
 9 let moviePath =
 Bundle.main.path(forResource：“Sunrise”, ofType：“mp4”)
 10 let movieURL = URL(fileURLWithPath：moviePath！)
 11
 12 let avPlayer = AVPlayer(url：movieURL as URL)
 13 let playerVC = AVPlayerViewController()
 14 playerVC.player = avPlayer
 15 playerVC.videoGravity =
 AVLayerVideoGravityResizeAspect;
 16 playerVC.allowsPictureInPicturePlayback = true
 17 playerVC.showsPlaybackControls = true
 18 playerVC.view.frame = self.view.bounds
 19
 20 playerVC.player！.play()
 21 self.view.addSubview(playerVC.view);
 22 }
 23 }
//配置画中画功能
 为了激活在iPad中视频播放的画中画功能，还需要对项目进行一些
 设置操作。首先点击项目设置页面中的【Capabilities】标签进行
 Capabilities设置面板，然后激活【Background Modes】选项，并勾选
 【Audio, AirPlay and Picture in Picture】选项