PROSAGA码农传奇-swift/objective-C-iOS手表应用程序音频无法使用后台模式

iOS手表应用程序音频无法使用后台模式

作者: 仙风道骨刘憨
发布时间: 2025-04-03 06:12:20 (3月前)
转自：

<div class =“post-text”itemprop =“text”>
  <P>
    您需要在activate选项之前设置类别
  </p>
  <P>
    下面的代码清单显示了设置会话，激活会话和开始播放所需的所有步骤。
  </p>
   <pre>
    <code>
      // Set up the session.
let audioSession = AVAudioSession.sharedInstance()

do {
    try audioSession.setCategory(AVAudioSession.Category.playback,
                            mode: .default,
                            policy: .longForm,
                            options: [])
} catch let error {
    fatalError("*** Unable to set up the audio session: \(error.localizedDescription) ***")
}

// Set up the player.
let player: AVAudioPlayer
do {
    player = try AVAudioPlayer(data: audioData)
} catch let error {
    print("*** Unable to set up the audio player: \(error.localizedDescription) ***")
    // Handle the error here.
    return
}

// Activate and request the route.
audioSession.activate(options: []) { (success, error) in
    guard error == nil else {
        print("*** An error occurred: \(error!.localizedDescription) ***")
        // Handle the error here.
        return
    }

// Play the audio file.
    player.play()
}

</code>
  </pre>
</DIV>