无法在iOS中发挥MP3

Question

文档目录网址

file:///var/mobile/Containers/Data/Application/895DE1A3-5D2E-462B-8D13-518B7CAFC6C7/Documents/146791.mp3 

我使用玩这个网址

do { 
     print(url) 

     audioPlayer = try AVAudioPlayer.init(contentsOf: url, fileTypeHint: AVFileTypeMPEGLayer3) 
     guard let player = audioPlayer else { return } 

     player.prepareToPlay() 
     player.play() 
    } catch let error { 
     print(error.localizedDescription) 
    } 

错误我得到

操作couldn”代码完成。 （OSStatus错误1685348671.）

Answer 1

斯威夫特3

do { 
      let player = try AVAudioPlayer(contentsOf: url!) 

      player.volume = 0.6 
      player.prepareToPlay() 
      player.play() 

     } 
     catch { 
      print("File not found") 
     }