import UIKit import AVFoundation class ViewController: UIViewController,AVAudioPlayerDelegate { var audioPlayer : AVAudioPlayer! var button : UIButton! override func viewDidLoad() { super.viewDidLoad() // 再生する音源のURLを生成 let soundFilePath : String = Bundle.main.path(forResource: "sound", ofType: "mp3")! let fileURL : URL = URL(fileURLWithPath: soundFilePath) do{ // AVAudioPlayerのインスタンス化 audioPlayer
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