diff --git a/services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordDetectionConnection.java b/services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordDetectionConnection.java
index c260617056ac5..bb2e9639881a6 100644
--- a/services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordDetectionConnection.java
+++ b/services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordDetectionConnection.java
@@ -31,11 +31,18 @@ import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTION_SERV
 import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTION_SERVICE_INIT_RESULT_REPORTED__RESULT__CALLBACK_INIT_STATE_UNKNOWN_TIMEOUT;
 import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTION_SERVICE_RESTARTED__REASON__AUDIO_SERVICE_DIED;
 import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTION_SERVICE_RESTARTED__REASON__SCHEDULE;
+import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_EVENTS__EVENT__APP_REQUEST_UPDATE_STATE;
 import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_EVENTS__EVENT__CALLBACK_UPDATE_STATE_AFTER_TIMEOUT;
+import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_EVENTS__EVENT__EXTERNAL_SOURCE_DETECTED;
+import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_EVENTS__EVENT__EXTERNAL_SOURCE_DETECT_SECURITY_EXCEPTION;
+import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_EVENTS__EVENT__EXTERNAL_SOURCE_REJECTED;
 import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_EVENTS__EVENT__ON_CONNECTED;
+import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_EVENTS__EVENT__ON_DISCONNECTED;
 import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_EVENTS__EVENT__REQUEST_BIND_SERVICE;
 import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_EVENTS__EVENT__REQUEST_BIND_SERVICE_FAIL;
 import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_EVENTS__EVENT__REQUEST_UPDATE_STATE;
+import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_EVENTS__EVENT__START_EXTERNAL_SOURCE_DETECTION;
+import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_EVENTS__EVENT__START_SOFTWARE_DETECTION;
 import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_KEYPHRASE_TRIGGERED__DETECTOR_TYPE__NORMAL_DETECTOR;
 import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_KEYPHRASE_TRIGGERED__DETECTOR_TYPE__TRUSTED_DETECTOR_DSP;
 import static com.android.internal.util.FrameworkStatsLog.HOTWORD_DETECTOR_KEYPHRASE_TRIGGERED__RESULT__DETECTED;
@@ -149,6 +156,13 @@ final class HotwordDetectionConnection {
     private static final int METRICS_KEYPHRASE_TRIGGERED_REJECT_UNEXPECTED_CALLBACK =
             HOTWORD_DETECTOR_KEYPHRASE_TRIGGERED__RESULT__REJECT_UNEXPECTED_CALLBACK;
 
+    private static final int METRICS_EXTERNAL_SOURCE_DETECTED =
+            HOTWORD_DETECTOR_EVENTS__EVENT__EXTERNAL_SOURCE_DETECTED;
+    private static final int METRICS_EXTERNAL_SOURCE_REJECTED =
+            HOTWORD_DETECTOR_EVENTS__EVENT__EXTERNAL_SOURCE_REJECTED;
+    private static final int METRICS_EXTERNAL_SOURCE_DETECT_SECURITY_EXCEPTION =
+            HOTWORD_DETECTOR_EVENTS__EVENT__EXTERNAL_SOURCE_DETECT_SECURITY_EXCEPTION;
+
     private final Executor mAudioCopyExecutor = Executors.newCachedThreadPool();
     // TODO: This may need to be a Handler(looper)
     private final ScheduledExecutorService mScheduledExecutorService =
@@ -385,6 +399,10 @@ final class HotwordDetectionConnection {
     }
 
     void updateStateLocked(PersistableBundle options, SharedMemory sharedMemory) {
+        HotwordMetricsLogger.writeDetectorEvent(mDetectorType,
+                HOTWORD_DETECTOR_EVENTS__EVENT__APP_REQUEST_UPDATE_STATE,
+                mVoiceInteractionServiceUid);
+
         // Prevent doing the init late, so restart is handled equally to a clean process start.
         // TODO(b/191742511): this logic needs a test
         if (!mUpdateStateAfterStartFinished.get()
@@ -425,14 +443,23 @@ final class HotwordDetectionConnection {
                     Slog.d(TAG, "onDetected");
                 }
                 synchronized (mLock) {
+                    HotwordMetricsLogger.writeKeyphraseTriggerEvent(
+                            mDetectorType,
+                            HOTWORD_DETECTOR_KEYPHRASE_TRIGGERED__RESULT__DETECTED);
                     if (!mPerformingSoftwareHotwordDetection) {
                         Slog.i(TAG, "Hotword detection has already completed");
+                        HotwordMetricsLogger.writeKeyphraseTriggerEvent(
+                                mDetectorType,
+                                METRICS_KEYPHRASE_TRIGGERED_DETECT_UNEXPECTED_CALLBACK);
                         return;
                     }
                     mPerformingSoftwareHotwordDetection = false;
                     try {
                         enforcePermissionsForDataDelivery();
                     } catch (SecurityException e) {
+                        HotwordMetricsLogger.writeKeyphraseTriggerEvent(
+                                mDetectorType,
+                                METRICS_KEYPHRASE_TRIGGERED_DETECT_SECURITY_EXCEPTION);
                         mSoftwareCallback.onError();
                         return;
                     }
@@ -452,6 +479,9 @@ final class HotwordDetectionConnection {
                 if (DEBUG) {
                     Slog.wtf(TAG, "onRejected");
                 }
+                HotwordMetricsLogger.writeKeyphraseTriggerEvent(
+                        mDetectorType,
+                        HOTWORD_DETECTOR_KEYPHRASE_TRIGGERED__RESULT__REJECTED);
                 // onRejected isn't allowed here, and we are not expecting it.
             }
         };
@@ -463,6 +493,9 @@ final class HotwordDetectionConnection {
                         null,
                         null,
                         internalCallback));
+        HotwordMetricsLogger.writeDetectorEvent(mDetectorType,
+                HOTWORD_DETECTOR_EVENTS__EVENT__START_SOFTWARE_DETECTION,
+                mVoiceInteractionServiceUid);
     }
 
     public void startListeningFromExternalSource(
@@ -896,6 +929,9 @@ final class HotwordDetectionConnection {
                                 @Override
                                 public void onRejected(HotwordRejectedResult result)
                                         throws RemoteException {
+                                    HotwordMetricsLogger.writeDetectorEvent(mDetectorType,
+                                            METRICS_EXTERNAL_SOURCE_REJECTED,
+                                            mVoiceInteractionServiceUid);
                                     mScheduledExecutorService.schedule(
                                             () -> {
                                                 bestEffortClose(serviceAudioSink, audioSource);
@@ -917,6 +953,9 @@ final class HotwordDetectionConnection {
                                 @Override
                                 public void onDetected(HotwordDetectedResult triggerResult)
                                         throws RemoteException {
+                                    HotwordMetricsLogger.writeDetectorEvent(mDetectorType,
+                                            METRICS_EXTERNAL_SOURCE_DETECTED,
+                                            mVoiceInteractionServiceUid);
                                     mScheduledExecutorService.schedule(
                                             () -> {
                                                 bestEffortClose(serviceAudioSink, audioSource);
@@ -927,6 +966,9 @@ final class HotwordDetectionConnection {
                                     try {
                                         enforcePermissionsForDataDelivery();
                                     } catch (SecurityException e) {
+                                        HotwordMetricsLogger.writeDetectorEvent(mDetectorType,
+                                                METRICS_EXTERNAL_SOURCE_DETECT_SECURITY_EXCEPTION,
+                                                mVoiceInteractionServiceUid);
                                         callback.onError();
                                         return;
                                     }
@@ -947,6 +989,9 @@ final class HotwordDetectionConnection {
                     // A copy of this has been created and passed to the hotword validator
                     bestEffortClose(serviceAudioSource);
                 });
+        HotwordMetricsLogger.writeDetectorEvent(mDetectorType,
+                HOTWORD_DETECTOR_EVENTS__EVENT__START_EXTERNAL_SOURCE_DETECTION,
+                mVoiceInteractionServiceUid);
     }
 
     private class ServiceConnectionFactory {
@@ -1008,7 +1053,12 @@ final class HotwordDetectionConnection {
                     return;
                 }
                 mIsBound = connected;
-                if (connected && !mIsLoggedFirstConnect) {
+
+                if (!connected) {
+                    HotwordMetricsLogger.writeDetectorEvent(mDetectorType,
+                            HOTWORD_DETECTOR_EVENTS__EVENT__ON_DISCONNECTED,
+                            mVoiceInteractionServiceUid);
+                } else if (!mIsLoggedFirstConnect) {
                     mIsLoggedFirstConnect = true;
                     HotwordMetricsLogger.writeDetectorEvent(mDetectorType,
                             HOTWORD_DETECTOR_EVENTS__EVENT__ON_CONNECTED,