diff --git a/api/system-current.txt b/api/system-current.txt
index 95d4d9c2d528c..35822a719b250 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -3058,6 +3058,7 @@ package android.net {
 
   public class CaptivePortal implements android.os.Parcelable {
     ctor public CaptivePortal(android.os.IBinder);
+    method public void logEvent(int, String);
     method public void useNetwork();
     field public static final int APP_RETURN_DISMISSED = 0; // 0x0
     field public static final int APP_RETURN_UNWANTED = 1; // 0x1
diff --git a/api/test-current.txt b/api/test-current.txt
index 30c6fdf55cbe9..1384f0b7b41ea 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -600,6 +600,7 @@ package android.net {
 
   public class CaptivePortal implements android.os.Parcelable {
     ctor public CaptivePortal(android.os.IBinder);
+    method public void logEvent(int, String);
     method public void useNetwork();
     field public static final int APP_RETURN_DISMISSED = 0; // 0x0
     field public static final int APP_RETURN_UNWANTED = 1; // 0x1
diff --git a/core/java/android/net/CaptivePortal.java b/core/java/android/net/CaptivePortal.java
index 3b01266737790..3ab35e1eebf00 100644
--- a/core/java/android/net/CaptivePortal.java
+++ b/core/java/android/net/CaptivePortal.java
@@ -117,4 +117,17 @@ public class CaptivePortal implements Parcelable {
         } catch (RemoteException e) {
         }
     }
+
+    /**
+     * Log a captive portal login event.
+     * @hide
+     */
+    @SystemApi
+    @TestApi
+    public void logEvent(int eventId, String packageName) {
+        try {
+            ICaptivePortal.Stub.asInterface(mBinder).logEvent(eventId, packageName);
+        } catch (RemoteException e) {
+        }
+    }
 }
diff --git a/core/java/android/net/ICaptivePortal.aidl b/core/java/android/net/ICaptivePortal.aidl
index 56ae57dc0e8d3..707b4f699873a 100644
--- a/core/java/android/net/ICaptivePortal.aidl
+++ b/core/java/android/net/ICaptivePortal.aidl
@@ -22,4 +22,5 @@ package android.net;
  */
 oneway interface ICaptivePortal {
     void appResponse(int response);
+    void logEvent(int eventId, String packageName);
 }
diff --git a/core/java/android/net/INetworkMonitorCallbacks.aidl b/core/java/android/net/INetworkMonitorCallbacks.aidl
index 0bc25750129b5..a8682f9ddd3b0 100644
--- a/core/java/android/net/INetworkMonitorCallbacks.aidl
+++ b/core/java/android/net/INetworkMonitorCallbacks.aidl
@@ -26,4 +26,5 @@ oneway interface INetworkMonitorCallbacks {
     void notifyPrivateDnsConfigResolved(in PrivateDnsConfigParcel config);
     void showProvisioningNotification(String action);
     void hideProvisioningNotification();
+    void logCaptivePortalLoginEvent(int eventId, String packageName);
 }
\ No newline at end of file
diff --git a/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java b/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java
index d03e5e3102ed8..08b22c7d518a1 100644
--- a/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java
+++ b/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java
@@ -59,7 +59,6 @@ import android.widget.LinearLayout;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
-import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 
 import java.io.IOException;
@@ -106,11 +105,11 @@ public class CaptivePortalLoginActivity extends Activity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        mCaptivePortal = getIntent().getParcelableExtra(ConnectivityManager.EXTRA_CAPTIVE_PORTAL);
         logMetricsEvent(MetricsEvent.ACTION_CAPTIVE_PORTAL_LOGIN_ACTIVITY);
 
         mCm = ConnectivityManager.from(this);
         mNetwork = getIntent().getParcelableExtra(ConnectivityManager.EXTRA_NETWORK);
-        mCaptivePortal = getIntent().getParcelableExtra(ConnectivityManager.EXTRA_CAPTIVE_PORTAL);
         mUserAgent =
                 getIntent().getStringExtra(ConnectivityManager.EXTRA_CAPTIVE_PORTAL_USER_AGENT);
         mUrl = getUrl();
@@ -636,7 +635,7 @@ public class CaptivePortalLoginActivity extends Activity {
     }
 
     private void logMetricsEvent(int event) {
-        MetricsLogger.action(this, event, getPackageName());
+        mCaptivePortal.logEvent(event, getPackageName());
     }
 
     private static final SparseArray<String> SSL_ERRORS = new SparseArray<>();
diff --git a/packages/NetworkStack/src/com/android/server/connectivity/NetworkMonitor.java b/packages/NetworkStack/src/com/android/server/connectivity/NetworkMonitor.java
index f21561ff4c69e..b34efc46f3b45 100644
--- a/packages/NetworkStack/src/com/android/server/connectivity/NetworkMonitor.java
+++ b/packages/NetworkStack/src/com/android/server/connectivity/NetworkMonitor.java
@@ -687,6 +687,15 @@ public class NetworkMonitor extends StateMachine {
                                     }
                                     sendMessage(CMD_CAPTIVE_PORTAL_APP_FINISHED, response);
                                 }
+
+                                @Override
+                                public void logEvent(int eventId, String packageName)
+                                        throws RemoteException {
+                                    mContext.enforceCallingPermission(
+                                            android.Manifest.permission.CONNECTIVITY_INTERNAL,
+                                            "CaptivePortal");
+                                    mCallback.logCaptivePortalLoginEvent(eventId, packageName);
+                                }
                             }));
                     final CaptivePortalProbeResult probeRes = mLastPortalProbeResult;
                     intent.putExtra(EXTRA_CAPTIVE_PORTAL_URL, probeRes.detectUrl);
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index c8e5d2bdb769b..9892bfa50189c 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -145,6 +145,7 @@ import com.android.internal.R;
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.app.IBatteryStats;
+import com.android.internal.logging.MetricsLogger;
 import com.android.internal.net.LegacyVpnInfo;
 import com.android.internal.net.VpnConfig;
 import com.android.internal.net.VpnInfo;
@@ -2684,6 +2685,11 @@ public class ConnectivityService extends IConnectivityManager.Stub
                     EVENT_PROVISIONING_NOTIFICATION, PROVISIONING_NOTIFICATION_HIDE,
                     mNai.network.netId));
         }
+
+        @Override
+        public void logCaptivePortalLoginEvent(int eventId, String packageName) {
+            new MetricsLogger().action(eventId, packageName);
+        }
     }
 
     private boolean networkRequiresValidation(NetworkAgentInfo nai) {