show the current track at the Albums screen too

app/src/main/kotlin/com/simplemobiletools/musicplayer/activities/AlbumsActivity.kt

@@ -16,14 +16,24 @@ import com.simplemobiletools.musicplayer.helpers.ARTIST
 import com.simplemobiletools.musicplayer.helpers.RESTART_PLAYER
 import com.simplemobiletools.musicplayer.helpers.TRACK
 import com.simplemobiletools.musicplayer.models.*
+import com.simplemobiletools.musicplayer.services.MusicService
 import kotlinx.android.synthetic.main.activity_albums.*
+import kotlinx.android.synthetic.main.view_current_track_bar.*
+import org.greenrobot.eventbus.EventBus
+import org.greenrobot.eventbus.Subscribe
+import org.greenrobot.eventbus.ThreadMode
 
 // Artists -> Albums -> Tracks
 class AlbumsActivity : SimpleActivity() {
+    private var bus: EventBus? = null
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_albums)
 
+        bus = EventBus.getDefault()
+        bus!!.register(this)
+
         val artistType = object : TypeToken<Artist>() {}.type
         val artist = Gson().fromJson<Artist>(intent.getStringExtra(ARTIST), artistType)
         title = artist.title
@@ -68,10 +78,36 @@ class AlbumsActivity : SimpleActivity() {
                 }
             }
         }
+
+        current_track_bar.setOnClickListener {
+            Intent(this, TrackActivity::class.java).apply {
+                startActivity(this)
+            }
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        updateCurrentTrackBar()
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        bus?.unregister(this)
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         updateMenuItemColors(menu)
         return super.onCreateOptionsMenu(menu)
     }
+
+    private fun updateCurrentTrackBar() {
+        current_track_bar.updateColors()
+        current_track_bar.updateCurrentTrack(MusicService.mCurrTrack)
+    }
+
+    @Subscribe(threadMode = ThreadMode.MAIN)
+    fun trackChangedEvent(event: Events.TrackChanged) {
+        current_track_bar.updateCurrentTrack(event.track)
+    }
 }

app/src/main/res/layout/activity_albums.xml

@@ -12,4 +12,10 @@
         android:clipToPadding="false"
         app:layoutManager="com.simplemobiletools.commons.views.MyLinearLayoutManager" />
 
+    <include
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        layout="@layout/view_current_track_bar"
+        android:layout_alignParentBottom="true" />
+
 </RelativeLayout>