diff --git a/src/com/android/settings/applications/appinfo/AppLocaleDetails.java b/src/com/android/settings/applications/appinfo/AppLocaleDetails.java
index 5f75b6b3a6d..acdc32d80a2 100644
--- a/src/com/android/settings/applications/appinfo/AppLocaleDetails.java
+++ b/src/com/android/settings/applications/appinfo/AppLocaleDetails.java
@@ -26,6 +26,7 @@ import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.LocaleList;
+import android.os.UserHandle;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -40,6 +41,7 @@ import com.android.settings.Utils;
 import com.android.settings.applications.AppInfoBase;
 import com.android.settings.widget.EntityHeaderController;
 import com.android.settingslib.applications.AppUtils;
+import com.android.settingslib.applications.ApplicationsState.AppEntry;
 import com.android.settingslib.widget.LayoutPreference;
 
 import java.util.Locale;
@@ -214,8 +216,10 @@ public class AppLocaleDetails extends SettingsPreferenceFragment {
      * TODO (b209962418) Do a performance test to low end device.
      * @return Return the summary to show the current app's language.
      */
-    public static CharSequence getSummary(Context context, String packageName) {
-        Locale appLocale = getAppDefaultLocale(context, packageName);
+    public static CharSequence getSummary(Context context, AppEntry entry) {
+        final UserHandle userHandle = UserHandle.getUserHandleForUid(entry.info.uid);
+        final Context contextAsUser = context.createContextAsUser(userHandle, 0);
+        Locale appLocale = getAppDefaultLocale(contextAsUser, entry.info.packageName);
         if (appLocale == null) {
             Locale systemLocale = Locale.getDefault();
             return context.getString(R.string.preference_of_system_locale_summary,
diff --git a/src/com/android/settings/applications/appinfo/AppLocalePreferenceController.java b/src/com/android/settings/applications/appinfo/AppLocalePreferenceController.java
index 38e655c7fc6..f406d8763ff 100644
--- a/src/com/android/settings/applications/appinfo/AppLocalePreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppLocalePreferenceController.java
@@ -29,6 +29,7 @@ import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 
 import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.applications.AppInfoBase;
 import com.android.settings.applications.AppLocaleUtil;
 import com.android.settings.localepicker.AppLocalePickerActivity;
 
@@ -62,7 +63,7 @@ public class AppLocalePreferenceController extends AppInfoPreferenceControllerBa
 
     @Override
     public CharSequence getSummary() {
-        return AppLocaleDetails.getSummary(mContext, mParent.getAppEntry().info.packageName);
+        return AppLocaleDetails.getSummary(mContext, mParent.getAppEntry());
     }
 
     @Override
@@ -74,6 +75,7 @@ public class AppLocalePreferenceController extends AppInfoPreferenceControllerBa
         if (mParent != null) {
             Intent intent = new Intent(mContext, AppLocalePickerActivity.class);
             intent.setData(Uri.parse("package:" + mParent.getAppEntry().info.packageName));
+            intent.putExtra(AppInfoBase.ARG_PACKAGE_UID, mParent.getAppEntry().info.uid);
             mContext.startActivity(intent);
             return true;
         } else {
diff --git a/src/com/android/settings/applications/manageapplications/ManageApplications.java b/src/com/android/settings/applications/manageapplications/ManageApplications.java
index 22a4ea74606..f11aafd84d8 100644
--- a/src/com/android/settings/applications/manageapplications/ManageApplications.java
+++ b/src/com/android/settings/applications/manageapplications/ManageApplications.java
@@ -638,6 +638,7 @@ public class ManageApplications extends InstrumentedFragment
             case LIST_TYPE_APPS_LOCALE:
                 Intent intent = new Intent(getContext(), AppLocalePickerActivity.class);
                 intent.setData(Uri.parse("package:" + mCurrentPkgName));
+                intent.putExtra(AppInfoBase.ARG_PACKAGE_UID, mCurrentUid);
                 startActivity(intent);
                 break;
             // TODO: Figure out if there is a way where we can spin up the profile's settings
@@ -1561,8 +1562,7 @@ public class ManageApplications extends InstrumentedFragment
                     holder.setSummary(MediaManagementAppsDetails.getSummary(mContext, entry));
                     break;
                 case LIST_TYPE_APPS_LOCALE:
-                    holder.setSummary(AppLocaleDetails
-                            .getSummary(mContext, entry.info.packageName));
+                    holder.setSummary(AppLocaleDetails.getSummary(mContext, entry));
                     break;
                 default:
                     holder.updateSizeText(entry, mManageApplications.mInvalidSizeStr, mWhichSize);
diff --git a/src/com/android/settings/localepicker/AppLocalePickerActivity.java b/src/com/android/settings/localepicker/AppLocalePickerActivity.java
index 34b7472072c..b099866d218 100644
--- a/src/com/android/settings/localepicker/AppLocalePickerActivity.java
+++ b/src/com/android/settings/localepicker/AppLocalePickerActivity.java
@@ -18,9 +18,11 @@ package com.android.settings.localepicker;
 
 import android.app.FragmentTransaction;
 import android.app.LocaleManager;
+import android.content.Context;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.LocaleList;
+import android.os.UserHandle;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.MenuItem;
@@ -31,6 +33,7 @@ import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.app.LocalePickerWithRegion;
 import com.android.internal.app.LocaleStore;
 import com.android.settings.R;
+import com.android.settings.applications.AppInfoBase;
 import com.android.settings.applications.appinfo.AppLocaleDetails;
 import com.android.settings.core.SettingsBaseActivity;
 
@@ -45,6 +48,7 @@ public class AppLocalePickerActivity extends SettingsBaseActivity
     private String mPackageName;
     private LocalePickerWithRegion mLocalePickerWithRegion;
     private AppLocaleDetails mAppLocaleDetails;
+    private Context mContextAsUser;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -61,11 +65,21 @@ public class AppLocalePickerActivity extends SettingsBaseActivity
             finish();
             return;
         }
+        int uid = getIntent().getIntExtra(AppInfoBase.ARG_PACKAGE_UID, -1);
+        if (uid == -1) {
+            Log.w(TAG, "Unexpected user id");
+            finish();
+        }
+        UserHandle userHandle = UserHandle.getUserHandleForUid(uid);
+        mContextAsUser = createContextAsUser(userHandle, 0);
 
         getActionBar().setDisplayHomeAsUpEnabled(true);
 
         mLocalePickerWithRegion = LocalePickerWithRegion.createLanguagePicker(
-                this, AppLocalePickerActivity.this, false /* translate only */, mPackageName);
+                mContextAsUser,
+                AppLocalePickerActivity.this,
+                false /* translate only */,
+                mPackageName);
         mAppLocaleDetails = AppLocaleDetails.newInstance(mPackageName);
 
         // Launch Locale picker part.
@@ -107,7 +121,7 @@ public class AppLocalePickerActivity extends SettingsBaseActivity
 
     /** Sets the app's locale to the supplied language tag */
     private void setAppDefaultLocale(String languageTag) {
-        LocaleManager localeManager = getSystemService(LocaleManager.class);
+        LocaleManager localeManager = mContextAsUser.getSystemService(LocaleManager.class);
         if (localeManager == null) {
             Log.w(TAG, "LocaleManager is null, cannot set default app locale");
             return;