Song view functionality broke, attempting to bind the music service to a Holder class through the RecyclerAdapter

app/app.iml

@@ -118,26 +118,38 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/annotation_processor_list" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/apk_list" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/blame" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/build-info" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/builds" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/bundle_manifest" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/check_manifest_result" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/compatible_screen_manifest" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental-runtime-classes" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental-verifier" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/instant-run-apk" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/instant-run-resources" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/instant_app_manifest" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/instant_run_app_info_output_file" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/instant_run_merged_manifests" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/instant_run_split_apk_resources" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/javac" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jniLibs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/lint_jar" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifest-checker" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/merged_assets" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/merged_manifests" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/metadata_feature_manifest" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/prebuild" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/processed_res" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/reload-dex" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/resources" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/shader_assets" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/shaders" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/signing_config" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/split-apk" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/transforms" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/validate_signing_config" />

app/src/main/java/com/example/mear/activities/SongViewActivity.kt

@@ -58,8 +58,8 @@ class SongViewActivity : BaseServiceActivity() {
 
             trackListItems = retrieveTrackItems()
 
-            adapter = RecyclerAdapter(trackListItems)
-            adapter.musicService = musicService
+            adapter = RecyclerAdapter(trackListItems, this)
+            adapter.configureActivity(this)
             trackList.adapter = adapter
             trackList.setHasFixedSize(true)
             trackList.setItemViewCacheSize(20);

app/src/main/java/com/example/mear/adapters/RecyclerAdapter.kt

@@ -1,6 +1,13 @@
 package com.example.mear.adapters
 
+import android.app.Activity
+import android.app.Application
+import android.content.ComponentName
+import android.content.Context
 import android.content.Intent
+import android.content.ServiceConnection
+import android.os.Bundle
+import android.os.IBinder
 import android.support.v7.widget.RecyclerView
 import android.view.View
 import android.view.ViewGroup
@@ -18,8 +25,38 @@ import com.example.mear.R
 import com.example.mear.playback.service.MusicService
 import com.example.mear.repositories.TrackRepository
 
-class RecyclerAdapter( private  val trackItemsSourceInit: ArrayList<TrackItems>) :
-                                                RecyclerView.Adapter<RecyclerAdapter.TrackItemsHolder>() {
+class RecyclerAdapter( private  val trackItemsSourceInit: ArrayList<TrackItems>, private var act: Activity) :
+                                                RecyclerView.Adapter<RecyclerAdapter.TrackItemsHolder>(),
+                                                Application.ActivityLifecycleCallbacks {
+    override fun onActivityPaused(activity: Activity?) {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun onActivityStarted(activity: Activity?) {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun onActivityDestroyed(activity: Activity?) {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun onActivitySaveInstanceState(activity: Activity?, outState: Bundle?) {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun onActivityStopped(activity: Activity?) {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun onActivityCreated(activity: Activity?, savedInstanceState: Bundle?) {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun onActivityResumed(activity: Activity?) {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    var activityInst: Activity? = act
     var musicService: MusicService? = null
 
     override fun getItemCount(): Int {
@@ -33,30 +70,63 @@ class RecyclerAdapter( private  val trackItemsSourceInit: ArrayList<TrackItems>)
 
     override fun onCreateViewHolder(parent: ViewGroup, position: Int): TrackItemsHolder {
         val inflatedView = parent.inflate(R.layout.fragment_song_view, false)
-        return TrackItemsHolder(inflatedView, musicService!!)
+        return TrackItemsHolder(inflatedView, activityInst)
     }
 
+    fun configureActivity(actvity: Activity) {
+        activityInst = actvity
+        activityInst!!.application.registerActivityLifecycleCallbacks(this)
+    }
 
-    class TrackItemsHolder(v: View, musicService: MusicService) : RecyclerView.ViewHolder(v), View.OnClickListener {
+    class TrackItemsHolder(v: View, activity: Activity?) : RecyclerView.ViewHolder(v), View.OnClickListener {
         private var view: View = v
-        private var musicService: MusicService = musicService
+        private var act = activity
+        private var musicService: MusicService? = null
         private var trackItem: TrackItems? = null
         private val imgWidth = 90
         private val imgHeight = 90
+        private var mBound = false
 
 
         init {
             v.setOnClickListener(this)
         }
 
+
+        private val connection = object : ServiceConnection {
+
+            override fun onServiceConnected(className: ComponentName, service: IBinder) {
+                // We've bound to LocalService, cast the IBinder and get LocalService instance
+                val binder = service as MusicService.LocalBinder
+                musicService = binder.service
+                mBound = true
+            }
+
+            override fun onServiceDisconnected(arg0: ComponentName) {
+                mBound = false
+            }
+        }
+
+
         override fun onClick(v: View) {
             try {
                 val context = itemView.context
                 val showPhotoIntent = Intent(context, SongViewActivity::class.java)
                 //showPhotoIntent.putExtra(PHOTO_KEY, trackItem)
                 val id = trackItem!!.id
-                musicService.playTrack(id)
-                context.startActivity(showPhotoIntent)
+                //context.startActivity(showPhotoIntent)
+
+                if (!mBound) {
+                    val intent = Intent(act, MusicService::class.java)
+                    act!!.bindService(intent, connection, Context.BIND_AUTO_CREATE)
+                    /**
+                    Intent(this, MusicService::class.java).also { intent ->
+                        act!!.applicationContext(intent, connection, Context.BIND_AUTO_CREATE)
+                        act.applicationContext
+                    }
+                    */
+
+                }
             }
             catch (ex: Exception) {
                 val exMsg = ex.message