Я изменил свой ответ на примере.
я нажимаю «yourButton», или «yourButton2», или «yourButton3», каждый из них воспроизводит аудиофайл, и во время воспроизведения звука выбирается UIButton.
Я хотел бы, чтобы "yourButton4" реализовал метод других UIButton'ов подряд. (Сначала воспроизводится аудиофайл и установите выбранные «yourButton», затем «yourButton2» и «yourButton3»).
Однако, когда я нажимаю «yourButton4», «yourButton2» и «yourButton3» воспроизводятся одновременно с методом play (). Воспроизводит звук асинхронно.
let url1 = Bundle.main.bundleURL.appendingPathComponent("music1.mp3")
let url2 = Bundle.main.bundleURL.appendingPathComponent("music2.mp3")
let url3 = Bundle.main.bundleURL.appendingPathComponent("music3.mp3")
@IBOutlet weak var yourButton: customButton!
@IBOutlet weak var yourButton2: customButton!
@IBOutlet weak var yourButton3: customButton!
@IBOutlet weak var yourButton4: customButton!
fileprivate var player1:AVAudioPlayer?
fileprivate var player2:AVAudioPlayer?
fileprivate var player3:AVAudioPlayer?
@IBAction func pushButton1(sender: UIButton) {
Player(url: url1)
}
@IBAction func pushButton2(sender: UIButton) {
Player1(url: url2)
}
@IBAction func pushButton3(_ sender: UIButton) {
Player2(url: url1, url2: url2, url3: url3)
}
func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool) {
if (player === player1) {
yourButton.isSelected = false
} else if (player === player2) {
yourButton2.isSelected = false
} else if (player === player3) {
yourButton.isSelected = false
player2!.play()
yourButton2.isSelected = true
player2!.play()
yourButton3.isSelected = true
player1!.play()
}
}
func Player(url: URL) {
do {
try player1 = AVAudioPlayer(contentsOf:url)
player1!.play()
yourButton.isSelected = true
player1!.delegate = self
} catch {
print(error)
}
}
func Player1(url: URL) {
do {
try player2 = AVAudioPlayer(contentsOf:url)
player2!.play()
yourButton2.isSelected = true
player2!.delegate = self
} catch {
print(error)
}
}
func Player2(url: URL, url2: URL, url3: URL) {
do {
try player3 = AVAudioPlayer(contentsOf:url)
try player2 = AVAudioPlayer(contentsOf: url2)
try player1 = AVAudioPlayer(contentsOf: url3)
player3!.play()
yourButton.isSelected = true
player3!.delegate = self
player2!.delegate = self
player1!.delegate = self
} catch {
print(error)
}
}