Implemented functionality to repeat the track #23

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

@@ -38,7 +38,8 @@ import kotlinx.coroutines.runBlocking
 class MainActivity : AppCompatActivity() {
 
     private var musicService: MusicService? = null
-    private var serviceBinded: Boolean? = null
+    private var serviceBinded: Boolean? = false
+    private var repeatOn: Boolean? = false
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -100,6 +101,9 @@ class MainActivity : AppCompatActivity() {
         ShuffleTracks.setOnClickListener {
             toggleShuffle()
         }
+        RepeatTrack.setOnClickListener {
+            toggleRepeat()
+        }
         SettingsLink.setOnClickListener {
             val intent = Intent(this, SettingsActivity::class.java)
             try {
@@ -134,6 +138,25 @@ class MainActivity : AppCompatActivity() {
             }
         }
     }
+    private fun toggleRepeat() {
+        val repeatText = RepeatTrack.text.toString()
+        val on = resources.getString(R.string.repeat_on)
+        val off = resources.getString(R.string.repeat_off)
+        when (repeatText) {
+            on -> {
+                repeatOn = false
+                RepeatTrack.text = off
+            }
+            off -> {
+                repeatOn = true
+                RepeatTrack.text = on
+            }
+            else -> {
+                repeatOn = false
+                RepeatTrack.text = off
+            }
+        }
+    }
 
     private fun playSongTrack() {
         PlayTrack.isEnabled = false
@@ -153,7 +176,7 @@ class MainActivity : AppCompatActivity() {
     private fun playNextSongTrack() {
         NextTrack.isEnabled = false
         try {
-            val controls = PlayControls(shuffleOn!!)
+            val controls = PlayControls(shuffleOn!!, repeatOn!!)
             musicService!!.playNextTrack(controls)
 
             configureTrackDisplay()
@@ -167,7 +190,7 @@ class MainActivity : AppCompatActivity() {
     private fun playPreviousSongTrack() {
         PreviousTrack.isEnabled = false
         try {
-            val controls = PlayControls(shuffleOn!!)
+            val controls = PlayControls(shuffleOn!!, repeatOn!!)
             musicService!!.playPreviousTrack(controls)
 
             configureTrackDisplay()
@@ -335,5 +358,4 @@ class MainActivity : AppCompatActivity() {
 
     private var musicHandler: Handler? = Handler()
     private var shuffleOn: Boolean? = false
-
 }

app/src/main/java/com/example/mear/models/PlayControls.kt

@@ -1,4 +1,4 @@
 package com.example.mear.models
 
-data class PlayControls(val shuffleOn: Boolean) {
+data class PlayControls(val shuffleOn: Boolean, val repeatOn: Boolean) {
 }

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

@@ -24,6 +24,7 @@ class MusicService: Service() {
     private var trackPlayer: MediaPlayer? = null
     private  var currentSongIndex: Int? = null
     private var shuffleOn: Boolean? = false
+    private var repeatOn: Boolean? = false
     private val mBinder = LocalBinder()
     private val seconds = 4
 
@@ -131,6 +132,7 @@ class MusicService: Service() {
     }
     fun configureControl(controls: PlayControls) {
         shuffleOn = controls.shuffleOn
+        repeatOn = controls.repeatOn
     }
     fun playNextTrack(controls: PlayControls) {
         try {
@@ -159,6 +161,9 @@ class MusicService: Service() {
 
     private fun fetchSongIndex(playType: PlayTypes): Int {
         var songIndex: Int? = currentSongIndex
+        if (repeatOn!!) {
+            return songIndex!!
+        }
         val songCount = retrieveSongCount()
 
         try {
@@ -259,9 +264,9 @@ class MusicService: Service() {
     private fun retrieveSongCount(): Int? {
 
         try {
-            var db  = DatabaseManager(this)
+            //var db  = DatabaseManager(this)
             var trackDb = TrackRepository(this)
-            val count = trackDb.getSongCount()
+            val count = TrackRepository(this).getSongCount()
 
             return count
         }

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

@@ -24,7 +24,7 @@
         android:layout_marginTop="8dp"
         android:layout_marginEnd="4dp"
         android:layout_marginBottom="8dp"
-        android:text="ROff"
+        android:text="@string/repeat_off"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toTopOf="parent"

app/src/main/res/values/strings.xml

@@ -10,6 +10,8 @@
 
     <string name="shuffle_on">SOn</string>
     <string name="shuffle_off">SOff</string>
+    <string name="repeat_on">ROn</string>
+    <string name="repeat_off">ROff</string>
     <string name="title_activity_settings">Settings</string>
 
     <string name="track_start">0:00</string>