mediaPlayer 를 사용하는 곳은 항상 초기화 되어 있는지 확인 하고 로직이 실행되도록 수정

app/src/main/java/kr/co/vividnext/sodalive/audio_content/AudioContentPlayService.kt

@@ -146,7 +146,7 @@ class AudioContentPlayService :
             }
 
             MusicAction.PLAY.name -> {
-                if (!isPlaying) {
+                if (!isPlaying && this::mediaPlayer.isInitialized) {
                     mediaPlayer.start()
                     toggleIsPlaying()
                     updateNotification()
@@ -154,7 +154,7 @@ class AudioContentPlayService :
             }
 
             MusicAction.PAUSE.name -> {
-                if (isPlaying) {
+                if (isPlaying && this::mediaPlayer.isInitialized) {
                     mediaPlayer.pause()
                     toggleIsPlaying()
                     updateNotification()
@@ -186,11 +186,14 @@ class AudioContentPlayService :
 
             MusicAction.PROGRESS.name -> {
                 val progress = intent.getIntExtra(Constants.EXTRA_AUDIO_CONTENT_PROGRESS, 0)
-                if (progress > 0) {
-                    if (contentId != null) saveNewPlaybackTracking(
+                if (progress > 0 && this::mediaPlayer.isInitialized) {
+                    if (contentId != null) {
+                        saveNewPlaybackTracking(
                             totalDuration = mediaPlayer.duration,
                             progress = progress
                         )
+                    }
+
                     mediaPlayer.seekTo(progress)
                 }
             }
@@ -258,7 +261,7 @@ class AudioContentPlayService :
                                 }
                         )
 
-                        if (isPlaying) {
+                        if (isPlaying && this::mediaPlayer.isInitialized) {
                             mediaPlayer.stop()
                             setEndPositionPlaybackTracking(mediaPlayer.currentPosition)
 
@@ -290,12 +293,12 @@ class AudioContentPlayService :
         return null
     }
 
-    override fun onCompletion(mp: MediaPlayer?) {
-        setEndPositionPlaybackTracking(mediaPlayer.currentPosition)
+    override fun onCompletion(mp: MediaPlayer) {
+        setEndPositionPlaybackTracking(mp.currentPosition)
 
         if (SharedPreferenceManager.isContentPlayLoop) {
-            saveNewPlaybackTracking(totalDuration = mediaPlayer.duration, progress = 0)
-            mediaPlayer.start()
+            saveNewPlaybackTracking(totalDuration = mp.duration, progress = 0)
+            mp.start()
         } else {
             toggleIsPlaying(false)
             mediaPlayer.release()
@@ -370,6 +373,7 @@ class AudioContentPlayService :
     }
 
     override fun onPrepared(mp: MediaPlayer?) {
+        if (this::mediaPlayer.isInitialized) {
             saveNewPlaybackTracking(totalDuration = mediaPlayer.duration, progress = 0)
             sendBroadcast(
                 Intent(Constants.ACTION_AUDIO_CONTENT_RECEIVER)
@@ -426,6 +430,7 @@ class AudioContentPlayService :
                     }
             )
         }
+    }
 
     private fun updateNotification() {
         val intent = Intent(this, MainActivity::class.java)