diff --git a/app/src/main/java/com/tpstreams/player/MainActivity.kt b/app/src/main/java/com/tpstreams/player/MainActivity.kt
index 6b80872..892ac11 100644
--- a/app/src/main/java/com/tpstreams/player/MainActivity.kt
+++ b/app/src/main/java/com/tpstreams/player/MainActivity.kt
@@ -134,8 +134,8 @@ class MainActivity : AppCompatActivity() {
         // TPStreams Tab Buttons
         findViewById<View>(R.id.btn_drm_video).setOnClickListener {
             val intent = Intent(this, PlayerActivity::class.java).apply {
-                putExtra(EXTRA_ASSET_ID, "42h2tZ5fmNf")
-                putExtra(EXTRA_ACCESS_TOKEN, "9327e2d0-fa13-4288-902d-840f32cd0eed")
+                putExtra(EXTRA_ASSET_ID, "7xbZeQzR36h")
+                putExtra(EXTRA_ACCESS_TOKEN, "3d9838f3-db51-4fc3-8472-075ab5e40b64")
             }
             startActivity(intent)
         }
diff --git a/app/src/main/java/com/tpstreams/player/PlayerActivity.kt b/app/src/main/java/com/tpstreams/player/PlayerActivity.kt
index d32edfb..2d40594 100644
--- a/app/src/main/java/com/tpstreams/player/PlayerActivity.kt
+++ b/app/src/main/java/com/tpstreams/player/PlayerActivity.kt
@@ -2,10 +2,12 @@ package com.tpstreams.player
 
 import android.graphics.Color
 import android.os.Bundle
+import android.widget.Toast
 import androidx.activity.viewModels
 import androidx.annotation.OptIn
 import androidx.appcompat.app.AppCompatActivity
 import androidx.media3.common.util.UnstableApi
+import com.tpstreams.player.constants.PlaybackError
 import com.tpstreams.player.databinding.ActivityPlayerBinding
 
 @OptIn(UnstableApi::class)
@@ -27,8 +29,17 @@ class PlayerActivity : AppCompatActivity() {
         viewModel.initPlayer(assetId, accessToken, isTestpress)
         viewModel.player?.setMaxResolution(1080)
         binding.playerView.setVideoResolution(720)
-        binding.playerView.player = viewModel.player
+        viewModel.player?.listener = object : TPStreamsPlayer.Listener {
+            override fun onAccessTokenExpired(videoId: String, callback: (String) -> Unit) {}
+            override fun onError(error: PlaybackError, message: String) {}
+
+            override fun onSubtitleStateChanged(enabled: Boolean, language: String?) {
+                val state = if (enabled) "ON: $language" else "OFF"
+                Toast.makeText(this@PlayerActivity, "Subtitles $state and Language: $language", Toast.LENGTH_SHORT).show()
+            }
+        }
 
+        binding.playerView.player = viewModel.player
 
         binding.playerView.setWatermarks(
             listOf(
diff --git a/tpstreams-android-player/src/main/java/com/tpstreams/player/TPStreamsPlayer.kt b/tpstreams-android-player/src/main/java/com/tpstreams/player/TPStreamsPlayer.kt
index 0ede185..54ad029 100644
--- a/tpstreams-android-player/src/main/java/com/tpstreams/player/TPStreamsPlayer.kt
+++ b/tpstreams-android-player/src/main/java/com/tpstreams/player/TPStreamsPlayer.kt
@@ -87,6 +87,8 @@ private constructor(
          * probes complete. The UI can use this to show a "Diagnosing…" state.
          */
         fun onNetworkDiagnosticsStarted() {}
+
+        fun onSubtitleStateChanged(enabled: Boolean, language: String?) {}
     }
 
     private var isPrepared = false
@@ -105,7 +107,11 @@ private constructor(
     private val networkRecoveryHandler = NetworkRecoveryHandler(context)
 
     private val textTrackManager: TextTrackManager by lazy {
-        TextTrackManager(exoPlayer, trackSelector)
+        TextTrackManager(
+            exoPlayer,
+            trackSelector,
+            onSubtitleStateChanged = { enabled, language -> _listener?.onSubtitleStateChanged(enabled, language) },
+        )
     }
     private val resolutionManager: ResolutionManager by lazy {
         ResolutionManager(exoPlayer, trackSelector)
diff --git a/tpstreams-android-player/src/main/java/com/tpstreams/player/TPStreamsPlayerView.kt b/tpstreams-android-player/src/main/java/com/tpstreams/player/TPStreamsPlayerView.kt
index 3f7d7f8..4d11a8f 100644
--- a/tpstreams-android-player/src/main/java/com/tpstreams/player/TPStreamsPlayerView.kt
+++ b/tpstreams-android-player/src/main/java/com/tpstreams/player/TPStreamsPlayerView.kt
@@ -627,4 +627,8 @@ internal class ViewPlayerListener(
 
     override fun onNetworkDiagnosticsStarted() =
         onNetworkDiagnosticsStartedAction()
+
+    override fun onSubtitleStateChanged(enabled: Boolean, language: String?) {
+        userListener?.onSubtitleStateChanged(enabled, language)
+    }
 }
diff --git a/tpstreams-android-player/src/main/java/com/tpstreams/player/tracks/TextTrackManager.kt b/tpstreams-android-player/src/main/java/com/tpstreams/player/tracks/TextTrackManager.kt
index 350b6b6..5cb7d11 100644
--- a/tpstreams-android-player/src/main/java/com/tpstreams/player/tracks/TextTrackManager.kt
+++ b/tpstreams-android-player/src/main/java/com/tpstreams/player/tracks/TextTrackManager.kt
@@ -15,9 +15,11 @@ import androidx.media3.exoplayer.trackselection.DefaultTrackSelector
 internal class TextTrackManager(
     private val exoPlayer: ExoPlayer,
     private val trackSelector: DefaultTrackSelector,
+    private val onSubtitleStateChanged: ((Boolean, String?) -> Unit)? = null,
 ) {
 
     private var subtitleMetadata: Map<String, Boolean> = emptyMap()
+    private var previousSubtitleLanguage: String? = null
 
     fun updateSubtitleMetadata(metadata: Map<String, Boolean>) {
         subtitleMetadata = metadata
@@ -61,6 +63,12 @@ internal class TextTrackManager(
         if (exoPlayer.isPlaying) {
             exoPlayer.seekTo(currentPosition)
         }
+
+        val enabled = language != null
+        if (language != previousSubtitleLanguage) {
+            previousSubtitleLanguage = language
+            onSubtitleStateChanged?.invoke(enabled, language)
+        }
     }
 
     fun getActiveTextTrack(): Pair<String, String>? {