sample app cleanup

@@ -6,26 +6,20 @@ import kotlinx.coroutines.Dispatchers
 import javax.inject.Named
 
 @Module
-class CoroutinesModule {
-    companion object {
-
-
-
-        @Provides
-        @Named(InjectionNames.DISPATCHER_DEFAULT)
-        fun defaultDispatcher() = Dispatchers.Default
-
-        @Provides
-        @Named(InjectionNames.DISPATCHER_IO)
-        fun ioDispatcher() = Dispatchers.IO
-
-        @Provides
-        @Named(InjectionNames.DISPATCHER_MAIN)
-        fun mainDispatcher() = Dispatchers.Main
-
-        @Provides
-        @Named(InjectionNames.DISPATCHER_UNCONFINED)
-        fun unconfinedDispatcher() = Dispatchers.Unconfined
-
-    }
+object CoroutinesModule {
+    @Provides
+    @Named(InjectionNames.DISPATCHER_DEFAULT)
+    fun defaultDispatcher() = Dispatchers.Default
+
+    @Provides
+    @Named(InjectionNames.DISPATCHER_IO)
+    fun ioDispatcher() = Dispatchers.IO
+
+    @Provides
+    @Named(InjectionNames.DISPATCHER_MAIN)
+    fun mainDispatcher() = Dispatchers.Main
+
+    @Provides
+    @Named(InjectionNames.DISPATCHER_UNCONFINED)
+    fun unconfinedDispatcher() = Dispatchers.Unconfined
 }
\ No newline at end of file

 package io.livekit.android.dagger
 
-class InjectionNames {
-    companion object {
+object InjectionNames {
 
-        const val DISPATCHER_DEFAULT = "dispatcher_default"
-        const val DISPATCHER_IO = "dispatcher_io";
-        const val DISPATCHER_MAIN = "dispatcher_main"
-        const val DISPATCHER_UNCONFINED = "dispatcher_unconfined"
+    internal const val DISPATCHER_DEFAULT = "dispatcher_default"
+    internal const val DISPATCHER_IO = "dispatcher_io";
+    internal const val DISPATCHER_MAIN = "dispatcher_main"
+    internal const val DISPATCHER_UNCONFINED = "dispatcher_unconfined"
 
-        const val SIGNAL_JSON_ENABLED = "signal_json_enabled"
+    internal const val SIGNAL_JSON_ENABLED = "signal_json_enabled"
 
-        const val OPTIONS_VIDEO_HW_ACCEL = "options_video_hw_accel"
-    }
+    internal const val OPTIONS_VIDEO_HW_ACCEL = "options_video_hw_accel"
 }
\ No newline at end of file

@@ -87,7 +87,12 @@ class CallActivity : AppCompatActivity() {
 
         binding.pipVideoView.release()
         val audioManager = getSystemService(AUDIO_SERVICE) as AudioManager
-        audioManager.abandonAudioFocus(focusChangeListener)
+        with(audioManager) {
+            isSpeakerphoneOn = false
+            isMicrophoneMute = true
+            abandonAudioFocus(focusChangeListener)
+            mode = AudioManager.MODE_NORMAL
+        }
     }
 
     companion object {