Question

我的音频播放器出了问题。当我启动我的viewcontroller时，它会在url上给出nill，我不知道这是怎么回事。我试着调试并查找问题，但我不知道发生了什么。

以下是代码：

// VARS AUDIO
    var sfxFive: AVAudioPlayer!
    var sfxFour: AVAudioPlayer!
    var sfxThree: AVAudioPlayer!
    var sfxtwo: AVAudioPlayer!
    var sfxOne: AVAudioPlayer!
    var sfxGo: AVAudioPlayer!

override func viewDidLoad() {
        super.viewDidLoad()

        do {

            let resourcePathFive = Bundle.main.path(forResource: "five", ofType: "m4a")!
            let urlFive = URL(fileURLWithPath: resourcePathFive)
            try sfxFive = AVAudioPlayer(contentsOf: urlFive)

            let resourcePathFour = Bundle.main.path(forResource: "four", ofType: "m4a")!
            let urlFour = URL(fileURLWithPath: resourcePathFour)
            try sfxFour = AVAudioPlayer(contentsOf: urlFour)

            let resourcePathThree = Bundle.main.path(forResource: "three", ofType: "m4a")!
            let urlThree = URL(fileURLWithPath: resourcePathThree)
            try sfxThree = AVAudioPlayer(contentsOf: urlThree)

            let resourcePathTwo = Bundle.main.path(forResource: "two", ofType: "m4a")!
            let urlTwo = URL(fileURLWithPath: resourcePathTwo)
            try sfxtwo = AVAudioPlayer(contentsOf: urlTwo)

            let resourcePathOne = Bundle.main.path(forResource: "one", ofType: "m4a")!
            let urlOne = URL(fileURLWithPath: resourcePathOne)
            try sfxOne = AVAudioPlayer(contentsOf: urlOne)

            let resourcePathGo = Bundle.main.path(forResource: "go", ofType: "m4a")!
            let urlGo = URL(fileURLWithPath: resourcePathGo)
            try sfxGo = AVAudioPlayer(contentsOf: urlGo )

            sfxFive.prepareToPlay()
            sfxFour.prepareToPlay()
            sfxThree.prepareToPlay()
            sfxtwo.prepareToPlay()
            sfxOne.prepareToPlay()
            sfxGo.prepareToPlay()

        } catch let err as NSError {
            print(err.debugDescription)
        }
}


func timerRunning() {

        if timeElapsed == 5 {
            sfxFive.play()
        }else if timeElapsed == 4 {
            sfxFour.play()
        }else if timeElapsed == 3 {
            sfxThree.play()
        }else if timeElapsed == 2 {
            sfxtwo.play()
        }else if timeElapsed == 1 {
            sfxOne.play()
        }else if timeElapsed == 0 {
            sfxGo.play()
        }
}

音频文件位于根目录中。

有人看到了这个问题吗？

亲切的问候，凯文。

Answer 1

检查yourProject -> Target's Build，在复制捆绑资源阶段组下的中，如果未列出您的m4a文件，则在该组中添加它们。

清理项目并再次运行。

AVAudioPlayer为路径Swift 3 xcode 8.0

1 个答案: