Fix lifecycle of VoiceNoteProximityWakeLockManager.

app/src/main/java/org/thoughtcrime/securesms/components/voice/VoiceNoteMediaController.java

@@ -124,6 +124,12 @@ public class VoiceNoteMediaController implements DefaultLifecycleObserver {
 
   @Override
   public void onDestroy(@NonNull LifecycleOwner owner) {
+    if (voiceNoteProximityWakeLockManager != null) {
+      voiceNoteProximityWakeLockManager.unregisterCallbacksAndRelease();
+      voiceNoteProximityWakeLockManager.unregisterFromLifecycle();
+      voiceNoteProximityWakeLockManager = null;
+    }
+
     activity.getLifecycle().removeObserver(this);
     activity = null;
   }
@@ -294,6 +300,7 @@ public class VoiceNoteMediaController implements DefaultLifecycleObserver {
       if (voiceNoteProximityWakeLockManager != null) {
         Log.d(TAG, "Session reconnected, cleaning up old wake lock manager");
         voiceNoteProximityWakeLockManager.unregisterCallbacksAndRelease();
+        voiceNoteProximityWakeLockManager.unregisterFromLifecycle();
         voiceNoteProximityWakeLockManager = null;
       }
     }

app/src/main/java/org/thoughtcrime/securesms/components/voice/VoiceNoteProximityWakeLockManager.kt

@@ -66,6 +66,12 @@ class VoiceNoteProximityWakeLockManager(
     cleanUpWakeLock()
   }
 
+  fun unregisterFromLifecycle() {
+    if (proximitySensor != null) {
+      activity.lifecycle.removeObserver(this)
+    }
+  }
+
   private fun isActivityResumed() = activity.lifecycle.currentState.isAtLeast(Lifecycle.State.RESUMED)
 
   private fun isPlayerActive() = mediaController.playbackState.state == PlaybackStateCompat.STATE_BUFFERING ||