我确实有错误 Thread1:EXC_BAD_INSTRUCTION。在这方面一直很努力。那里有有用的人员吗?
导入 UIKit 导入 AVFoundation
类 PlaySoundsViewController: UIViewController {
var filePathUrl: NSURL!
var audioPlayer: AVAudioPlayer?
var receivedAudio:RecordedAudio!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
audioPlayer = try! AVAudioPlayer(contentsOfURL: receivedAudio.filePathUrl)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
@IBAction func playFastAudio(sender: UIButton) {
audioPlayer!.stop()
audioPlayer!.rate = 1.5
audioPlayer!.currentTime = 0.0
audioPlayer!.play()
}
@IBAction func playSlowAudio(sender: UIButton) {
// play audio slow
audioPlayer!.stop()
audioPlayer!.rate = 0.5
audioPlayer!.currentTime = 0.0
audioPlayer!.play()
}
@IBAction func StopButtonSound(sender: UIButton) {
audioPlayer!.stop()
}
}