2 files changed, 20 insertions, 1 deletions
diff --git a/core/java/android/hardware/fingerprint/FingerprintManager.java b/core/java/android/hardware/fingerprint/FingerprintManager.java
index cc1aeeb92685..b52955d035b5 100644
--- a/core/java/android/hardware/fingerprint/FingerprintManager.java
+++ b/core/java/android/hardware/fingerprint/FingerprintManager.java
@@ -926,6 +926,23 @@ public class FingerprintManager implements BiometricAuthenticator, BiometricFing
     }
 
     /**
+     * @hide
+     */
+    @RequiresPermission(USE_BIOMETRIC_INTERNAL)
+    public void onUiReady(int sensorId) {
+        if (mService == null) {
+            Slog.w(TAG, "onUiReady: no fingerprint service");
+            return;
+        }
+
+        try {
+            mService.onUiReady(sensorId);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
      * Determine if there is at least one fingerprint enrolled.
      *
      * @return true if at least one fingerprint is enrolled, false otherwise
@@ -1450,7 +1467,6 @@ public class FingerprintManager implements BiometricAuthenticator, BiometricFing
         @Override // binder call
         public void onUdfpsPointerUp(int sensorId) {
             mHandler.obtainMessage(MSG_UDFPS_POINTER_UP, sensorId, 0).sendToTarget();
-
         }
     };
 
diff --git a/core/java/android/hardware/fingerprint/IFingerprintService.aidl b/core/java/android/hardware/fingerprint/IFingerprintService.aidl
index 833747f19a0c..936f3d6b2788 100644
--- a/core/java/android/hardware/fingerprint/IFingerprintService.aidl
+++ b/core/java/android/hardware/fingerprint/IFingerprintService.aidl
@@ -160,6 +160,9 @@ interface IFingerprintService {
     // Notifies about a finger leaving the sensor area.
     void onPointerUp(int sensorId);
 
+    // Notifies about the fingerprint UI being ready (e.g. HBM illumination is enabled).
+    void onUiReady(int sensorId);
+
     // Sets the controller for managing the UDFPS overlay.
     void setUdfpsOverlayController(in IUdfpsOverlayController controller);