Ios 如何逐个播放多个音频文件
我在主情节提要上创建了4个UIButton 我想用“Button4”来实现一行中的其他按钮功能。这意味着当我按下按钮4时,应该先播放播放器1,然后播放播放器2,然后播放播放器3 然而,当我按下“按钮4”时,“按钮2”和“按钮3”同时播放Ios 如何逐个播放多个音频文件,ios,swift,xcode,Ios,Swift,Xcode,我在主情节提要上创建了4个UIButton 我想用“Button4”来实现一行中的其他按钮功能。这意味着当我按下按钮4时,应该先播放播放器1,然后播放播放器2,然后播放播放器3 然而,当我按下“按钮4”时,“按钮2”和“按钮3”同时播放 fileprivate var player1:AVAudioPlayer? fileprivate var player2:AVAudioPlayer? fileprivate var player3:AVAud
fileprivate var player1:AVAudioPlayer?
fileprivate var player2:AVAudioPlayer?
fileprivate var player3:AVAudioPlayer?
let url1 = Bundle.main.bundleURL.appendingPathComponent("music1.mp3")
let url2 = Bundle.main.bundleURL.appendingPathComponent("music2.mp3")
let url3 = Bundle.main.bundleURL.appendingPathComponent("music3.mp3")
@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)
}
//"yourButton2" and "yourButton3" is played at same time in this code at player2
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)
}
}
与其使用AVAudioPlayer,不如使用AVQueuePlayer 下面是一个简单的例子:
var files = ["file1", "file2", "file3"]
var player: AVQueuePlayer = {
var pathArray = [String]()
files.forEach { resource in
if let path = Bundle.main.path(forResource: resource, ofType: "mp3") {
pathArray.append(path)
}
}
var urlArray = [URL]()
pathArray.forEach { path in
urlArray.append(URL(fileURLWithPath: path))
}
var playerItems = [AVPlayerItem]()
urlArray.forEach { url in
playerItems.append(AVPlayerItem(url: url))
}
let player = AVQueuePlayer(items: playerItems)
player.actionAtItemEnd = AVPlayerActionAtItemEnd.advance
return player
}()
在按钮的动作中:
@IBAction func buttonTapped(_ sender: UIButton) {
files = ["file2", "file3", "file1"]
player.play()
}
诚然,这是非常快速和肮脏的,但有点像这样,因为我们正在将文件数组传递给播放器。为这段代码找到更多优化应该不会太难
编辑:意识到我没有传递AVPlayerItems数组,所以进行了更新。与其使用AVAudioPlayer,不如使用AVQueuePlayer 下面是一个简单的例子:
var files = ["file1", "file2", "file3"]
var player: AVQueuePlayer = {
var pathArray = [String]()
files.forEach { resource in
if let path = Bundle.main.path(forResource: resource, ofType: "mp3") {
pathArray.append(path)
}
}
var urlArray = [URL]()
pathArray.forEach { path in
urlArray.append(URL(fileURLWithPath: path))
}
var playerItems = [AVPlayerItem]()
urlArray.forEach { url in
playerItems.append(AVPlayerItem(url: url))
}
let player = AVQueuePlayer(items: playerItems)
player.actionAtItemEnd = AVPlayerActionAtItemEnd.advance
return player
}()
在按钮的动作中:
@IBAction func buttonTapped(_ sender: UIButton) {
files = ["file2", "file3", "file1"]
player.play()
}
诚然,这是非常快速和肮脏的,但有点像这样,因为我们正在将文件数组传递给播放器。为这段代码找到更多优化应该不会太难
编辑:意识到我没有传入AVPlayerItems数组,所以进行了更新。编辑
每一个按钮,1,2,3等…都会工作,但“按钮2”有点混合
无论如何,重新解释?编辑
每一个按钮,1,2,3等…都会工作,但“按钮2”有点混合
无论如何,重新解释一下?您将UIAudio与(UIAudio…)链接起来。编辑**重写…将UIAudio与(UIAudio…)链接。编辑**重写…没问题。如果你还有其他问题,请告诉我。没问题。如果你还有其他问题,请告诉我。