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Commit 56e4c3da authored by Kevin Chyn's avatar Kevin Chyn
Browse files

Post a notification when ACQUIRED_RECALIBRATE is received 

Fixes: 130898604

Test: Builds

Change-Id: Ic157f124d8c92a2a79294dffaacdb0c2e40f03e5
parent ca45c3a8

core/res/res/values/strings.xml

+7 −0
Original line number Diff line number Diff line
@@ -1507,6 +1507,13 @@ 
    <!-- Description of an application permission, listed so the user can choose whether they want to allow the application to do this. [CHAR LIMIT=90] -->

    <string name="permdesc_useFaceAuthentication">Allows the app to use face authentication hardware for authentication</string>



    <!-- Notification name shown when the system requires the user to re-enroll their face. [CHAR LIMIT=NONE] -->

    <string name="face_recalibrate_notification_name">Face Authentication</string>

    <!-- Notification title shown when the system requires the user to re-enroll their face. [CHAR LIMIT=NONE] -->

    <string name="face_recalibrate_notification_title">Re-enroll your face</string>

    <!-- Notification content shown when the system requires the user to re-enroll their face. [CHAR LIMIT=NONE] -->

    <string name="face_recalibrate_notification_content">To improve recognition, please re-enroll your face</string>



    <!-- Message shown during face acquisition when the face cannot be recognized [CHAR LIMIT=50] -->

    <string name="face_acquired_insufficient">Couldn\u2019t capture accurate face data. Try again.</string>

    <!-- Message shown during face acquisition when the image is too bright [CHAR LIMIT=50] -->

core/res/res/values/symbols.xml

+3 −0
Original line number Diff line number Diff line
@@ -2530,6 +2530,9 @@ 
  <java-symbol type="bool" name="config_fingerprintSupportsGestures"/>



  <!-- Face authentication messages -->

  <java-symbol type="string" name="face_recalibrate_notification_name" />

  <java-symbol type="string" name="face_recalibrate_notification_title" />

  <java-symbol type="string" name="face_recalibrate_notification_content" />

  <java-symbol type="string" name="face_error_unable_to_process" />

  <java-symbol type="string" name="face_error_hw_not_available" />

  <java-symbol type="string" name="face_error_no_space" />

services/core/java/com/android/server/biometrics/face/FaceService.java

+49 −1
Original line number Diff line number Diff line
@@ -23,7 +23,12 @@ import static android.Manifest.permission.USE_BIOMETRIC_INTERNAL; 


import android.app.ActivityManager;

import android.app.AppOpsManager;

import android.app.Notification;

import android.app.NotificationChannel;

import android.app.NotificationManager;

import android.app.PendingIntent;

import android.content.Context;

import android.content.Intent;

import android.content.pm.UserInfo;

import android.hardware.biometrics.BiometricAuthenticator;

import android.hardware.biometrics.BiometricConstants;
@@ -48,10 +53,10 @@ import android.os.SELinux; 
import android.os.SystemProperties;

import android.os.UserHandle;

import android.os.UserManager;

import android.provider.Settings;

import android.util.Slog;

import android.util.proto.ProtoOutputStream;



import com.android.internal.R;

import com.android.internal.annotations.GuardedBy;

import com.android.internal.logging.MetricsLogger;

import com.android.internal.util.DumpUtils;
@@ -124,6 +129,49 @@ public class FaceService extends BiometricServiceBase { 
            // but let's leave it as-is for now.

            return result || !authenticated;

        }



        @Override

        public boolean onAcquired(int acquireInfo, int vendorCode) {



            if (acquireInfo == FaceManager.FACE_ACQUIRED_RECALIBRATE) {

                final String name =

                        getContext().getString(R.string.face_recalibrate_notification_name);

                final String title =

                        getContext().getString(R.string.face_recalibrate_notification_title);

                final String content =

                        getContext().getString(R.string.face_recalibrate_notification_content);



                final Intent intent = new Intent("android.settings.FACE_SETTINGS");

                intent.setPackage("com.android.settings");



                final PendingIntent pendingIntent = PendingIntent.getActivityAsUser(getContext(),

                        0 /* requestCode */, intent, 0 /* flags */, null /* options */,

                        UserHandle.CURRENT);



                final String id = "FaceService";



                NotificationManager nm =

                        getContext().getSystemService(NotificationManager.class);

                NotificationChannel channel = new NotificationChannel(id, name,

                        NotificationManager.IMPORTANCE_HIGH);

                Notification notification = new Notification.Builder(getContext(), id)

                        .setSmallIcon(R.drawable.ic_lock)

                        .setContentTitle(title)

                        .setContentText(content)

                        .setSubText(name)

                        .setOnlyAlertOnce(true)

                        .setLocalOnly(true)

                        .setAutoCancel(true)

                        .setCategory(Notification.CATEGORY_SYSTEM)

                        .setContentIntent(pendingIntent)

                        .build();



                nm.createNotificationChannel(channel);

                nm.notifyAsUser(null /* tag */, 0 /* id */, notification, UserHandle.CURRENT);

            }



            return super.onAcquired(acquireInfo, vendorCode);

        }

    }



    /**