Go pack a few seconds when resuming after a long time

ios/App/App/AppDelegate.swift

@@ -7,7 +7,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     var window: UIWindow?
     
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
-        UIApplication.shared.beginReceivingRemoteControlEvents()
+        // UIApplication.shared.beginReceivingRemoteControlEvents()
         // Override point for customization after application launch.
         return true
     }

ios/App/App/AudioPlayer.swift

@@ -22,7 +22,9 @@ class AudioPlayer: NSObject {
     // enums and @objc are not compatible
     @objc dynamic var status: Int
     @objc dynamic var rate: Float
+    
     private var tmpRate: Float = 1.0
+    private var lastPlayTime: Double = 0.0
     
     private var playerContext = 0
     private var playerItemContext = 0
@@ -63,13 +65,34 @@ class AudioPlayer: NSObject {
     }
     func destroy() {
         pause()
+        audioPlayer.replaceCurrentItem(with: nil)
         
-        nowPlayingInfo = [:]
+        DispatchQueue.main.sync {
-        updateNowPlaying()
+            UIApplication.shared.endReceivingRemoteControlEvents()
+        }
+        
+        do {
+            try AVAudioSession.sharedInstance().setActive(false)
+        } catch {
+            NSLog("Failed to set AVAudioSession inactive")
+            print(error)
+        }
+        
+        nowPlayingInfo.removeAll()
+        nowPlayingInfo[MPMediaItemPropertyTitle] = ""
+        nowPlayingInfo[MPMediaItemPropertyArtist] = ""
+        MPNowPlayingInfoCenter.default().nowPlayingInfo = nowPlayingInfo
     }
     
     // MARK: - Methods
-    public func play() {
+    public func play(allowSeekBack: Bool = false) {
+        if allowSeekBack {
+            if lastPlayTime + 5 < Date.timeIntervalSinceReferenceDate {
+                seek(getCurrentTime() - 1.5)
+            }
+        }
+        lastPlayTime = Date.timeIntervalSinceReferenceDate
+        
         self.audioPlayer.play()
         self.status = 1
         self.rate = self.tmpRate
@@ -83,6 +106,7 @@ class AudioPlayer: NSObject {
         self.rate = 0.0
         
         updateNowPlaying()
+        lastPlayTime = Date.timeIntervalSinceReferenceDate
     }
     public func seek(_ to: Double) {
         let continuePlaing = rate > 0.0
@@ -144,11 +168,14 @@ class AudioPlayer: NSObject {
     
     // MARK: - Now playing
     func setupRemoteTransportControls() {
+        DispatchQueue.main.sync {
+            UIApplication.shared.beginReceivingRemoteControlEvents()
+        }
         let commandCenter = MPRemoteCommandCenter.shared()
         
         commandCenter.playCommand.isEnabled = true
         commandCenter.playCommand.addTarget { [unowned self] event in
-            play()
+            play(allowSeekBack: true)
             return .success
         }
         commandCenter.pauseCommand.isEnabled = true
@@ -187,6 +214,17 @@ class AudioPlayer: NSObject {
             self.seek(event.positionTime)
             return .success
         }
+        
+        commandCenter.changePlaybackRateCommand.isEnabled = true
+        commandCenter.changePlaybackRateCommand.supportedPlaybackRates = [0.5, 0.75, 0.9, 1, 1.2, 1.5, 2]
+        commandCenter.changePlaybackRateCommand.addTarget { event in
+            guard let event = event as? MPChangePlaybackRateCommandEvent else {
+                return .noSuchContent
+            }
+            
+            self.setPlaybackRate(event.playbackRate)
+            return .success
+        }
     }
     
     func invokeMetadataUpdate() {

ios/App/App/MyNativeAudio.swift

@@ -9,7 +9,6 @@ func parseSleepTime(millis: String?) -> Double {
 
 @objc(MyNativeAudio)
 public class MyNativeAudio: CAPPlugin {
-    var currentCall: CAPPluginCall?
     var currentPlayer: AudioPlayer?
     
     var playerContext = 0
@@ -36,17 +35,19 @@ public class MyNativeAudio: CAPPlugin {
         )
         let playWhenReady = call.getBool("playWhenReady", false)
         
-        if self.currentPlayer != nil && self.currentPlayer?.audiobook.streamId == audiobook.streamId {
+        if currentPlayer != nil && currentPlayer?.audiobook.streamId == audiobook.streamId {
             if playWhenReady {
                 self.currentPlayer?.play()
             }
             
             call.resolve(["success": true])
             return
+        } else if currentPlayer != nil && currentPlayer?.audiobook.streamId != audiobook.streamId {
+            stop()
         }
         
-        self.currentPlayer = AudioPlayer(audiobook: audiobook, playWhenReady: playWhenReady)
+        currentPlayer = AudioPlayer(audiobook: audiobook, playWhenReady: playWhenReady)
-        self.currentPlayer!.addObserver(self, forKeyPath: #keyPath(AudioPlayer.status), options: .new, context: &playerContext)
+        currentPlayer!.addObserver(self, forKeyPath: #keyPath(AudioPlayer.status), options: .new, context: &playerContext)
         
         call.resolve(["success": true])
     }
@@ -116,7 +117,7 @@ public class MyNativeAudio: CAPPlugin {
             return
         }
         
-        self.currentPlayer!.play()
+        self.currentPlayer!.play(allowSeekBack: true)
         
         sendPlaybackStatusUpdate(true)
         call.resolve()
@@ -126,15 +127,14 @@ public class MyNativeAudio: CAPPlugin {
         stop()
         call.resolve()
     }
-    @objc func stop() {
+    @objc func stop(_ call: CAPPluginCall? = nil) {
-        if let call = currentCall {
+        if self.currentPlayer != nil {
-            if self.currentPlayer != nil {
+            self.currentPlayer!.destroy()
-                self.currentPlayer!.destroy()
+        }
-            }
+        self.currentPlayer = nil
         
-            self.currentPlayer = nil
+        if call != nil {
-            currentCall = nil;
+            call!.resolve([ "result": true ])
-            call.resolve([ "result": true ])
         }
     }