Working on playing a song from the song list

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

@@ -10,13 +10,14 @@ import java.lang.Exception
 import kotlinx.android.synthetic.main.activity_song_view.*
 import kotlinx.android.synthetic.main.content_song_view.*
 
+import com.example.mear.activities.BaseServiceActivity
 import com.example.mear.adapters.RecyclerAdapter
 import com.example.mear.models.TrackItems
 import com.example.mear.R
 import com.example.mear.repositories.TrackRepository
 import com.example.mear.util.ExtractCover
 
-class SongViewActivity : AppCompatActivity() {
+class SongViewActivity : BaseServiceActivity() {
     private var trackListItems = arrayListOf<TrackItems>()
     private lateinit var adapter: RecyclerAdapter
     private lateinit var linearLayoutManager: LinearLayoutManager
@@ -31,6 +32,7 @@ class SongViewActivity : AppCompatActivity() {
 
         try {
             window.statusBarColor = resources.getColor(R.color.track_seek)
+            doBindService()
             initializeAdapter()
         }
         catch (ex: Exception) {
@@ -57,9 +59,10 @@ class SongViewActivity : AppCompatActivity() {
             trackListItems = retrieveTrackItems()
 
             adapter = RecyclerAdapter(trackListItems)
+            adapter.musicService = musicService
             trackList.adapter = adapter
             trackList.setHasFixedSize(true)
-            //trackList.setItemViewCacheSize(20);
+            trackList.setItemViewCacheSize(20);
             //trackList.setDrawingCacheEnabled(true);
             //trackList.setDrawingCacheQuality(View.DRAWING_CACHE_QUALITY_HIGH);
         }
@@ -102,8 +105,9 @@ class SongViewActivity : AppCompatActivity() {
             }
             */
             for (track in tracks) {
-                val cover = ExtractCover(track.songPath)
+                //val cover = ExtractCover(track.songPath)
                 var trackCover = ByteArray(0)
+                /**
                 if (cover.hasCover() && !done) {
                     if (index < max ) {
                         trackCover = cover.retrieveCover()
@@ -116,7 +120,7 @@ class SongViewActivity : AppCompatActivity() {
                 if (done) {
                     return trackItems
                 }
-
+                */
                 val trackItem = TrackItems(track.id, track.title, track.artist, trackCover!!)
                 trackItems.add(trackItem)
             }

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

@@ -15,9 +15,12 @@ import com.example.mear.constants.Filenames
 import com.example.mear.inflate
 import com.example.mear.models.TrackItems
 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>() {
+    var musicService: MusicService? = null
 
     override fun getItemCount(): Int {
         return trackItemsSourceInit!!.size
@@ -30,12 +33,13 @@ 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)
+        return TrackItemsHolder(inflatedView, musicService!!)
     }
 
 
-    class TrackItemsHolder(v: View) : RecyclerView.ViewHolder(v), View.OnClickListener {
+    class TrackItemsHolder(v: View, musicService: MusicService) : RecyclerView.ViewHolder(v), View.OnClickListener {
         private var view: View = v
+        private var musicService: MusicService = musicService
         private var trackItem: TrackItems? = null
         private val imgWidth = 90
         private val imgHeight = 90
@@ -50,6 +54,8 @@ class RecyclerAdapter( private  val trackItemsSourceInit: ArrayList<TrackItems>)
                 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)
             }
             catch (ex: Exception) {

app/src/main/java/com/example/mear/playback/service/MusicService.kt

@@ -65,6 +65,9 @@ class MusicService: Service() {
         return super.onUnbind(intent)
     }
 
+    fun playTrack(id: Int) {
+
+    }
 
     fun goToPosition(progress: Int) {
         trackPlayer!!.seekTo(progress)