Merge branch 'master' into bug-ios-background-currenttime

ios/App/Shared/player/AudioPlayer.swift

@@ -220,6 +220,8 @@ class AudioPlayer: NSObject {
     
     // MARK: - Methods
     public func play(allowSeekBack: Bool = false) {
+        guard self.isInitialized() else { return }
+        
         if allowSeekBack {
             let diffrence = Date.timeIntervalSinceReferenceDate - lastPlayTime
             var time: Int?
@@ -262,6 +264,8 @@ class AudioPlayer: NSObject {
     }
     
     public func pause() {
+        guard self.isInitialized() else { return }
+        
         self.audioPlayer.pause()
         self.status = 0
         self.rate = 0.0