iPhone应用程序允许背景音乐继续播放

iPhone应用程序允许背景音乐继续播放

swift
import UIKit
import AVFoundation
class ViewController: UIViewController {
    var audioPlayer: AVAudioPlayer?
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // 设置后台播放
        do {
            try AVAudioSession.sharedInstance().setCategory(AVAudioSession.Category.playback)
            try AVAudioSession.sharedInstance().setActive(true)
        } catch {
            print(error)
        }
        
        // 播放音乐
        if let path = Bundle.main.path(forResource: "music", ofType: "mp3") {
            let url = URL(fileURLWithPath: path)
            do {
                audioPlayer = try AVAudioPlayer(contentsOf: url)
                audioPlayer?.prepareToPlay()
                audioPlayer?.play()
            } catch {
                print(error)
            }
        }
    }
}