Ios 启动应用程序后如何取消静音?
我的应用程序背景上的视频有一些问题 这是我的程序代码:Ios 启动应用程序后如何取消静音?,ios,swift,Ios,Swift,我的应用程序背景上的视频有一些问题 这是我的程序代码: import UIKit import AVKit import AVFoundation class IntroViewController: UIViewController { var player: AVPlayer? override func viewDidLoad() { super.viewDidLoad() let videoURL: NSURL = NSBundle.mainBundle().UR
import UIKit
import AVKit
import AVFoundation
class IntroViewController: UIViewController {
var player: AVPlayer?
override func viewDidLoad() {
super.viewDidLoad()
let videoURL: NSURL = NSBundle.mainBundle().URLForResource("intro", withExtension: "mov")!
player = AVPlayer(URL: videoURL)
player?.actionAtItemEnd = .None
player?.muted = false
let playerLayer = AVPlayerLayer(player: player)
playerLayer.videoGravity = AVLayerVideoGravityResizeAspectFill
playerLayer.zPosition = -1
playerLayer.frame = view.frame
view.layer.addSublayer(playerLayer)
player?.play()
NSNotificationCenter.defaultCenter().addObserver(self,
selector: "loopVideo",
name: AVPlayerItemDidPlayToEndTimeNotification,
object: nil)
}
func loopVideo() {
player?.seekToTime(kCMTimeZero)
player?.play()
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
启动我的程序后,音乐应用程序将静音。我怎么修理它
还有一个问题:从主屏幕返回此屏幕后,在不关闭应用程序的情况下,视频停止。问题出在哪里?可能重复的问题对我不起作用您尝试了什么?在AppDelegate.swift中,添加
import AVFoundation
,并在applicationdifinishlaunchingwithoptions
中,添加行try!AVAudioSession.sharedInstance().setCategory(AvaudioSessionCategoryByent)
Thnx!现在这就行了!