將操作添加到Apple TV遙控器播放/暫停按鈕

Question

我的應用程序中有一個AVAudioPlayer，我添加了一個功能，用戶可以按遙控器上的播放/暫停按鈕來播放/暫停AVAudioPlayer。我在我的App Delegate中有這樣的代碼：

func initializePlayButtonRecognition() { 
     addPlayButtonRecognizer(#selector(AppDelegate.handlePlayButton(_:))) 
    } 

    func addPlayButtonRecognizer(_ selector: Selector) { 
     let playButtonRecognizer = UITapGestureRecognizer(target: self, action:selector) 
     playButtonRecognizer.allowedPressTypes = [NSNumber(value: UIPressType.playPause.rawValue as Int)] 
     self.window?.addGestureRecognizer(playButtonRecognizer) 

    } 

    func handlePlayButton(_ sender: AnyObject) { 
     if audioPlayer.isPlaying { 
      audioPlayer.pause() { 
      } else { 
       audioPlayer.play() 
      } 

    } 

} 

AVAudioPlayer的名稱是audioPlayer。我在代碼中說過，但App Delegate沒有從PlayerViewController引用AVAudioPlayer。我該怎麼做呢？

Answer 1

您的代碼看起來正確。只是缺少細節，可以解釋爲什麼它不能按預期工作......在tvOS，除了設置allowedPressTypes它也需要定義allowedTouchTypes間接：

playButtonRecognizer.allowedTouchTypes = [NSNumber(value: UITouchType.indirect.rawValue)]