ios - 音频文件未从文档目录播放
<p><p>我在文档目录中有一个音频文件，它没有播放，但我没有收到任何错误或崩溃。我真的被这种情况困住了，引用了很多 SO 链接，但没有一个能解决我的问题。</p>
<pre><code>var myPlayer = AVAudioPlayer()
let fileManager = NSFileManager.defaultManager()
let urls = fileManager.URLsForDirectory(.DocumentDirectory, inDomains: .UserDomainMask)
if let documentDirectoryURL: NSURL = urls.first {
print(documentDirectoryURL)// File copied to this directory
let soundURL = documentDirectoryURL.URLByAppendingPathComponent("09.mp3")
do {
myPlayer = try AVAudioPlayer(contentsOfURL: soundURL)
myPlayer.delegate = self
myPlayer.prepareToPlay()
myPlayer.play()
} catch let error as NSError {
NSLog("Unresolved error \(error.debugDescription)")
// SHOW ALERT OR SOMETHING
}
}
</code></pre></p>
<br><hr><h1><strong>Best Answer-推荐答案</ strong></h1><br>
<p><p>让我澄清一下；</p>
<p>播放音频文件有两种标准方式:</p>
<p>录制音频，然后使用完成处理程序将其导出到应用程序(文档目录)内的文件中。从那里我们可以从文档目录访问该文件。 </p>
<pre><code>let settings = [
AVFormatIDKey: Int(kAudioFormatMPEG4AAC),
AVSampleRateKey: 12000.0,
AVNumberOfChannelsKey: 1 as NSNumber,
AVEncoderAudioQualityKey: AVAudioQuality.High.rawValue
]
do {
audioURL = let audioFilename = getDocumentsDirectory().stringByAppendingPathComponent("recording.m4a")
let audioURL = NSURL(fileURLWithPath: audioFilename)
audioRecorder = try AVAudioRecorder(URL: audioURL, settings: settings)
}
class func getDocumentsDirectory() -> String {
let paths = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)
let documentsDirectory = paths
return documentsDirectory
}
</code></pre>
<p>还有更多你喜欢的实际录音等等。这里有一个教程</p>
<p> <a href="https://www.hackingwithswift.com/example-code/media/how-to-record-audio-using-avaudiorecorder" rel="noreferrer noopener nofollow">https://www.hackingwithswift.com/example-code/media/how-to-record-audio-using-avaudiorecorder</a> </p>
<p>--或--</p>
<p>我们在计算机上有一个音频，您将其传输到 XCode，您可以使用它调用它</p>
<pre><code>myPlayer = try AVAudioPlayer(fileURLWithPath: "09.mp3")
</code></pre></p>
<p style="font-size: 20px;">关于ios - 音频文件未从文档目录播放，我们在Stack Overflow上找到一个类似的问题：
<a href="https://stackoverflow.com/questions/38030199/" rel="noreferrer noopener nofollow" style="color: red;">
https://stackoverflow.com/questions/38030199/
</a>
</p>
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