SWIFT触摸屏幕时如何播放声音 [英] SWIFT how to play sound when screen is touched
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问题描述
每当贴上屏幕时,如何播放声音?这是我现在拥有的代码,在这里检查屏幕是否被触摸,然后执行某些操作……
How do i play sound whenever screen is taped? this is a code I have now, where I check if screen has been touched and than it does some things...
override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
if TapsValid == true {
Score++
if BallRight == true {
BallChange = false
} else {
BallChange = true
}
}
}
推荐答案
import AVFoundation
/// You **must** keep reference to this...
private var audioPlayer: AVAudioPlayer!
/**
Tap
*/
public func tapSound() -> Void
{
let bundle: NSBundle = NSBundle(forClass: SoundMachine.self)
if let file_url: NSURL = bundle.URLForResource("tap_sounf", withExtension:"caf")
{
self.playSoundFromURL(file_url)
}
}
/**
Reproduce un archivo de sonido que se encuentra
en el Bundle de nuestra app
- parameter resource_url: La URL al archivo
*/
private func playSoundFromURL(resource_url: NSURL) -> Void
{
self.audioPlayer = try! AVAudioPlayer(contentsOfURL:resource_url)
self.audioPlayer.prepareToPlay()
self.audioPlayer.play()
}
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