Fix some of the agent's code, mediaplayer not defined in TimerForegroundService so maybe it was intended for Main, and PowerManager's WakeLock tag wanted to know the app name with a colon for logging.

app/src/main/java/com/hyperling/apps/infinitetimer/MainActivity.java

@@ -742,6 +742,7 @@ public class MainActivity extends AppCompatActivity {
 
         // Stop the background alert service when destroying activity
         Alert.stop(this);
+        if (mediaPlayer != null) { mediaPlayer.release(); mediaPlayer = null; }
 
         if (DEBUG) Log.d(tag, "Done with local code, calling super..");
 

app/src/main/java/com/hyperling/apps/infinitetimer/TimerForegroundService.java

@@ -30,7 +30,7 @@ public class TimerForegroundService extends Service {
         
         // Acquire a wake lock briefly to ensure the CPU stays awake during playback
         PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
-        wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "TimerWakeLock");
+        wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "InfiniteTimer:TimerWakeLock");
         wakeLock.acquire(60 * 1000L); 
     }
 
@@ -91,6 +91,5 @@ public class TimerForegroundService extends Service {
     public void onDestroy() {
         super.onDestroy();
         if (wakeLock.isHeld()) wakeLock.release();
-        if (mediaPlayer != null) { mediaPlayer.release(); mediaPlayer = null; }
     }
 }