Fix:ANR with starting foreground service before starting session

android/app/src/main/java/com/audiobookshelf/app/MainActivity.kt

@@ -92,9 +92,7 @@ class MainActivity : BridgeActivity() {
         foregroundService = mLocalBinder.getService()
 
         // Let NativeAudio know foreground service is ready and setup event listener
-        if (pluginCallback != null) {
-          pluginCallback()
-        }
+        pluginCallback()
       }
     }
 

android/app/src/main/java/com/audiobookshelf/app/player/PlayerNotificationService.kt

@@ -15,6 +15,7 @@ import android.support.v4.media.session.PlaybackStateCompat
 import android.util.Log
 import androidx.annotation.RequiresApi
 import androidx.core.app.NotificationCompat
+import androidx.core.content.ContextCompat
 import androidx.media.MediaBrowserServiceCompat
 import androidx.media.utils.MediaConstants
 import com.audiobookshelf.app.BuildConfig
@@ -300,6 +301,13 @@ class PlayerNotificationService : MediaBrowserServiceCompat()  {
     User callable methods
   */
   fun preparePlayer(playbackSession: PlaybackSession, playWhenReady:Boolean, playbackRate:Float?) {
+    if (!isStarted) {
+      Log.i(tag, "preparePlayer: foreground service not started - Starting service --")
+      Intent(ctx, PlayerNotificationService::class.java).also { intent ->
+        ContextCompat.startForegroundService(ctx, intent)
+      }
+    }
+
     isClosed = false
     val playbackRateToUse = playbackRate ?: initialPlaybackRate ?: 1f
     initialPlaybackRate = playbackRate
@@ -660,6 +668,7 @@ class PlayerNotificationService : MediaBrowserServiceCompat()  {
     PlayerListener.lastPauseTime = 0
     isClosed = true
     stopForeground(true)
+    stopSelf()
   }
 
   fun sendClientMetadata(playerState: PlayerState) {

android/app/src/main/java/com/audiobookshelf/app/plugins/AbsAudioPlayer.kt

@@ -1,10 +1,8 @@
 package com.audiobookshelf.app.plugins
 
-import android.content.Intent
 import android.os.Handler
 import android.os.Looper
 import android.util.Log
-import androidx.core.content.ContextCompat
 import com.audiobookshelf.app.MainActivity
 import com.audiobookshelf.app.data.*
 import com.audiobookshelf.app.device.DeviceManager
@@ -150,14 +148,6 @@ class AbsAudioPlayer : Plugin() {
 
   @PluginMethod
   fun prepareLibraryItem(call: PluginCall) {
-    // Need to make sure the player service has been started
-    if (!PlayerNotificationService.isStarted) {
-      Log.w(tag, "prepareLibraryItem: PlayerService not started - Starting foreground service --")
-      Intent(mainActivity, PlayerNotificationService::class.java).also { intent ->
-        ContextCompat.startForegroundService(mainActivity, intent)
-      }
-    }
-
     val libraryItemId = call.getString("libraryItemId", "").toString()
     val episodeId = call.getString("episodeId", "").toString()
     val playWhenReady = call.getBoolean("playWhenReady") == true