diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index f28f08b8abd1a..9073a02e72d37 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -3560,13 +3560,14 @@
          set to empty string), a default textclassifier will be loaded in the calling app's process.
          See android.view.textclassifier.TextClassificationManager.
     -->
+    <!-- TODO(b/144896755) remove the config -->
     <string name="config_defaultTextClassifierPackage" translatable="false"></string>
 
-    <!-- A list of the default system textclassifier service package name. Only one of the packages
-         will be activated and the fist package is the default system textclassifier service. OS
-         only tries to bind the first trusted service and the others can be selected via device
-         config. These services must be trusted, as they can be activated without explicit consent
-         of the user. Example: "com.android.textclassifier"
+    <!-- A list of supported system textClassifier service package names. Only one of the packages
+         will be activated. The first package in the list is the default system textClassifier
+         service. OS only tries to bind and grant permissions to the first trusted service and the
+         others can be selected via device config. These services must be trusted, as they can be
+         activated without explicit consent of the user. Example: "com.android.textclassifier"
     -->
     <string-array name="config_defaultTextClassifierPackages" translatable="false">
         <item>android.ext.services</item>
diff --git a/services/core/java/com/android/server/pm/permission/DefaultPermissionGrantPolicy.java b/services/core/java/com/android/server/pm/permission/DefaultPermissionGrantPolicy.java
index 603b01a17e148..6d6ec250e4cc3 100644
--- a/services/core/java/com/android/server/pm/permission/DefaultPermissionGrantPolicy.java
+++ b/services/core/java/com/android/server/pm/permission/DefaultPermissionGrantPolicy.java
@@ -726,10 +726,12 @@ public final class DefaultPermissionGrantPolicy {
                 userId, STORAGE_PERMISSIONS);
 
         // TextClassifier Service
-        String textClassifierPackageName =
-                mContext.getPackageManager().getSystemTextClassifierPackageName();
-        if (!TextUtils.isEmpty(textClassifierPackageName)) {
-            grantPermissionsToSystemPackage(textClassifierPackageName, userId,
+        final String[] packages = mContext.getPackageManager().getSystemTextClassifierPackages();
+        if (packages.length > 0) {
+            // We have a list of supported system TextClassifier package names, the first one
+            // package is the default system TextClassifier service. Grant permissions to default
+            // TextClassifier Service.
+            grantPermissionsToSystemPackage(packages[0], userId,
                     COARSE_BACKGROUND_LOCATION_PERMISSIONS, CONTACTS_PERMISSIONS);
         }
 
@@ -998,7 +1000,7 @@ public final class DefaultPermissionGrantPolicy {
     private void revokeRuntimePermissions(String packageName, Set<String> permissions,
             boolean systemFixed, int userId) {
         PackageInfo pkg = getSystemPackageInfo(packageName);
-        if (ArrayUtils.isEmpty(pkg.requestedPermissions)) {
+        if (pkg == null || ArrayUtils.isEmpty(pkg.requestedPermissions)) {
             return;
         }
         Set<String> revokablePermissions = new ArraySet<>(Arrays.asList(pkg.requestedPermissions));