diff --git a/ios/App/Shared/player/AudioPlayer.swift b/ios/App/Shared/player/AudioPlayer.swift index f4199465..1d599d91 100644 --- a/ios/App/Shared/player/AudioPlayer.swift +++ b/ios/App/Shared/player/AudioPlayer.swift @@ -74,6 +74,7 @@ class AudioPlayer: NSObject { } // Listen to player events + self.setupAudioSessionNotifications() self.audioPlayer.addObserver(self, forKeyPath: #keyPath(AVPlayer.rate), options: .new, context: &playerContext) self.audioPlayer.addObserver(self, forKeyPath: #keyPath(AVPlayer.currentItem), options: .new, context: &playerContext) @@ -123,6 +124,7 @@ class AudioPlayer: NSObject { print(error) } + self.removeAudioSessionNotifications() DispatchQueue.runOnMainQueue { UIApplication.shared.endReceivingRemoteControlEvents() } @@ -155,6 +157,16 @@ class AudioPlayer: NSObject { return 0 } + private func setupAudioSessionNotifications() { + NotificationCenter.default.addObserver(self, selector: #selector(handleInteruption), name: AVAudioSession.interruptionNotification, object: AVAudioSession.sharedInstance()) + NotificationCenter.default.addObserver(self, selector: #selector(handleRouteChange), name: AVAudioSession.routeChangeNotification, object: AVAudioSession.sharedInstance()) + } + + private func removeAudioSessionNotifications() { + NotificationCenter.default.removeObserver(self, name: AVAudioSession.interruptionNotification, object: AVAudioSession.sharedInstance()) + NotificationCenter.default.removeObserver(self, name: AVAudioSession.routeChangeNotification, object: AVAudioSession.sharedInstance()) + } + private func setupTimeObserver() { // Time observer should be configured on the main queue DispatchQueue.runOnMainQueue { @@ -324,6 +336,7 @@ class AudioPlayer: NSObject { // Stop the paused timer self.stopPausedTimer() + self.markAudioSessionAs(active: true) self.audioPlayer.play() self.audioPlayer.rate = self.tmpRate self.status = 1 @@ -337,6 +350,7 @@ class AudioPlayer: NSObject { NSLog("PAUSE: Pausing playback") self.audioPlayer.pause() + self.markAudioSessionAs(active: false) Task { if let currentTime = self.getCurrentTime() { @@ -482,13 +496,71 @@ class AudioPlayer: NSObject { private func initAudioSession() { do { try AVAudioSession.sharedInstance().setCategory(.playback, mode: .spokenAudio) - try AVAudioSession.sharedInstance().setActive(true) } catch { NSLog("Failed to set AVAudioSession category") print(error) } } + private func markAudioSessionAs(active: Bool) { + do { + try AVAudioSession.sharedInstance().setActive(active) + } catch { + NSLog("Failed to set audio session as active=\(active)") + } + } + + // MARK: - iOS audio session notifications + @objc private func handleInteruption(notification: Notification) { + guard let userInfo = notification.userInfo, + let typeValue = userInfo[AVAudioSessionInterruptionTypeKey] as? UInt, + let type = AVAudioSession.InterruptionType(rawValue: typeValue) else { + return + } + + switch type { + case .ended: + guard let optionsValue = userInfo[AVAudioSessionInterruptionOptionKey] as? UInt else { return } + let options = AVAudioSession.InterruptionOptions(rawValue: optionsValue) + if options.contains(.shouldResume) { + self.play(allowSeekBack: true) + } + default: () + } + } + + @objc private func handleRouteChange(notification: Notification) { + guard let userInfo = notification.userInfo, + let reasonValue = userInfo[AVAudioSessionRouteChangeReasonKey] as? UInt, + let reason = AVAudioSession.RouteChangeReason(rawValue: reasonValue) else { + return + } + + switch reason { + case .newDeviceAvailable: // New device found. + let session = AVAudioSession.sharedInstance() + let headphonesConnected = hasHeadphones(in: session.currentRoute) + if headphonesConnected { + // We should just let things be, as it's okay to go from speaker to headphones + } + case .oldDeviceUnavailable: // Old device removed. + if let previousRoute = userInfo[AVAudioSessionRouteChangePreviousRouteKey] as? AVAudioSessionRouteDescription { + let headphonesWereConnected = hasHeadphones(in: previousRoute) + if headphonesWereConnected { + // Removing headphones we should pause instead of keeping on playing + self.pause() + } + } + + default: () + } + } + + private func hasHeadphones(in routeDescription: AVAudioSessionRouteDescription) -> Bool { + // Filter the outputs to only those with a port type of headphones. + return !routeDescription.outputs.filter({$0.portType == .headphones}).isEmpty + } + // MARK: - Now playing private func setupRemoteTransportControls() { DispatchQueue.runOnMainQueue {