我想用Swift播放一个声音。

我的代码在Swift 1.0中工作,但现在在Swift 2或更新版本中不再工作。

override func viewDidLoad() {
  super.viewDidLoad()

  let url:NSURL = NSBundle.mainBundle().URLForResource("soundName", withExtension: "mp3")!

  do { 
    player = try AVAudioPlayer(contentsOfURL: url, fileTypeHint: nil) 
  } catch _{
    return
  }

  bgMusic.numberOfLoops = 1
  bgMusic.prepareToPlay()

  if (Data.backgroundMenuPlayed == 0){
    player.play()
    Data.backgroundMenuPlayed = 1
  }
}

当前回答

Swift 5“AVFoundation”\

简单的代码,没有错误处理,从本地路径播放音频

import AVFoundation
var audio:AVPlayer!

func stopAlarm() {
    // To pause or stop audio in swift 5 audio.stop() isn't working
    audio.pause()
}

func playAlarm() {
    // need to declare local path as url
    let url = Bundle.main.url(forResource: "Alarm", withExtension: "mp3")
    // now use declared path 'url' to initialize the player
    audio = AVPlayer.init(url: url!)
    // after initialization play audio its just like click on play button
    audio.play()
}

其他回答

Swift 4(兼容iOS 12)

var player: AVAudioPlayer?

let path = Bundle.main.path(forResource: "note\(sender.tag)", ofType: "wav")
let url = URL(fileURLWithPath: path ?? "")
    
do {
   player = try AVAudioPlayer(contentsOf: url)
   player?.play()
} catch let error {
   print(error.localizedDescription)
}

游戏风格:

文件Sfx.swift

import AVFoundation

public let sfx = Sfx.shared
public final class Sfx: NSObject {
    
    static let shared = Sfx()
    
    var apCheer: AVAudioPlayer? = nil
    // etc
    
    private override init() {
        guard let s = Bundle.main.path(forResource: "cheer", ofType: "mp3") else { print("Sfx woe"); return }
        do { apCheer = try AVAudioPlayer(contentsOf: URL(fileURLWithPath: s)) } catch { print("Sfx woe"); return }
        // etc
    }
    
    func cheer() { apCheer?.play() }
    func plonk() { apPlonk?.play() }
    func crack() { apCrack?.play() }
    // etc
}

只要吃一个……

    var apCheer: AVAudioPlayer? = nil

对于你的每一个音频刺。所以你可能有5 20 10等等。

对于每一个,简单地复制/粘贴两行初始化代码:

guard let s = Bundle.main.path(forResource: "cheer", ofType: "mp3") else { return print("Sfx woe") }
do { apCheer = try AVAudioPlayer(contentsOf: URL(fileURLWithPath: s)) } catch { return print("Sfx woe") }

然后,在任何地方,任何代码,任何文件,你都可以:

sfx.cheer()
sfx.crack()

iOS 12 - Xcode 10 beta 6 - Swift 4.2

只使用1个IBAction并将所有按钮指向该1个动作。

import AVFoundation

var player = AVAudioPlayer()

@IBAction func notePressed(_ sender: UIButton) {
    print(sender.tag) // testing button pressed tag
    let path = Bundle.main.path(forResource: "note\(sender.tag)", ofType : "wav")!
    let url = URL(fileURLWithPath : path)
    do {
        player = try AVAudioPlayer(contentsOf: url)
        player.play()
    } catch {
        print ("There is an issue with this code!")
    }
}

首先导入这些库

import AVFoundation

import AudioToolbox    

像这样设置委托

   AVAudioPlayerDelegate

在按钮动作或其他动作上写这样漂亮的代码:

guard let url = Bundle.main.url(forResource: "ring", withExtension: "mp3") else { return }
    do {
        try AVAudioSession.sharedInstance().setCategory(AVAudioSessionCategoryPlayback)
        try AVAudioSession.sharedInstance().setActive(true)
        player = try AVAudioPlayer(contentsOf: url, fileTypeHint: AVFileType.mp3.rawValue)
        guard let player = player else { return }

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

100%的工作在我的项目和测试

Swift版本:5.4及以上

import AVFoundation
var player: AVAudioPlayer?

func playSound() {
    guard let path = Bundle.main.path(forResource: "beep", ofType:"mp3") else {
        return }
    let url = URL(fileURLWithPath: path)

    do {
        player = try AVAudioPlayer(contentsOf: url)
        player?.play()
        
    } catch let error {
        print(error.localizedDescription)
    }
}