diff --git a/res/values/strings.xml b/res/values/strings.xml
index b9207cdc9cf..2679da0e5cb 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -6454,13 +6454,16 @@
    <string name="notifications_enabled">Normal</string>
    <!-- App notification summary with notifications disabled [CHAR LIMIT=40] -->
    <string name="notifications_disabled">Blocked</string>
-    <!-- App notification summary with notifications disabled [CHAR LIMIT=40] -->
+    <!-- App notification summary with notifications silenced [CHAR LIMIT=40] -->
     <string name="notifications_silenced">Silenced</string>
-   <!-- App notification summary with 2 items [CHAR LIMIT=15] -->
-   <string name="notifications_two_items"><xliff:g id="notif_state" example="Priority">%1$s</xliff:g> / <xliff:g id="notif_state" example="Priority">%2$s</xliff:g></string>
-   <!-- App notification summary with 3 items [CHAR LIMIT=15] -->
-   <string name="notifications_three_items"><xliff:g id="notif_state" example="Priority">%1$s</xliff:g> / <xliff:g id="notif_state" example="Priority">%2$s</xliff:g> / <xliff:g id="notif_state" example="Priority">%3$s</xliff:g></string>
-
+    <!-- App notification summary with notifications redacted [CHAR LIMIT=70] -->
+    <string name="notifications_redacted">Sensitive content not on lock screen</string>
+    <!-- App notification summary with notifications hidden [CHAR LIMIT=40] -->
+    <string name="notifications_hidden">Not on lock screen</string>
+    <!-- App notification summary with notifications bypassing DND [CHAR LIMIT=40] -->
+    <string name="notifications_priority">Do Not Disturb overridden</string>
+    <!-- App notification summary divider [CHAR LIMIT=40] -->
+    <string name="notifications_summary_divider">\u00A0/\u00A0</string>
 
    <!-- Permissions preference summary [CHAR LIMIT=40] -->
    <plurals name="permissions_summary">
@@ -6500,7 +6503,7 @@
     <string name="filter_with_domain_urls_apps">With domain URLs</string>
     <!-- Label for showing apps with priority notifications in list [CHAR LIMIT=30] -->
     <string name="filter_notif_priority_apps">Overrides Do Not Disturb</string>
-    <!-- Label for showing apps redacting sensitive notifications in list [CHAR LIMIT=30] -->
+    <!-- Label for showing apps redacting sensitive notifications in list [CHAR LIMIT=50] -->
     <string name="filter_notif_sensitive_apps">No sensitive content on lock screen</string>
     <!-- Label for showing apps hiding notifications from lockscreen [CHAR LIMIT=30] -->
     <string name="filter_notif_hide_notifications_apps">Never shown on lock screen</string>
@@ -7017,7 +7020,10 @@
     <string name="data_usage_summary_format"><xliff:g id="amount" example="50%">%1$s</xliff:g> of data used</string>
 
     <!-- Summary of notifications [CHAR LIMIT=NONE] -->
-    <string name="notification_summary"><xliff:g id="count" example="24">%1$d</xliff:g> apps blocked from sending</string>
+    <plurals name="notification_summary">
+        <item quantity="one"><xliff:g id="count" example="1">%d</xliff:g> app blocked from sending</item>
+        <item quantity="other"><xliff:g id="count" example="10">%d</xliff:g> apps blocked from sending</item>
+    </plurals>
 
     <!-- Summary of notifications when no apps are blocked [CHAR LIMIT=NONE] -->
     <string name="notification_summary_none">All apps allowed to send</string>
diff --git a/src/com/android/settings/applications/AppStateNotificationBridge.java b/src/com/android/settings/applications/AppStateNotificationBridge.java
index 39b502c178e..e8db2aa66b2 100644
--- a/src/com/android/settings/applications/AppStateNotificationBridge.java
+++ b/src/com/android/settings/applications/AppStateNotificationBridge.java
@@ -16,9 +16,12 @@
 package com.android.settings.applications;
 
 import android.app.Notification;
+import android.content.Context;
 import android.content.pm.PackageManager;
+import android.os.UserHandle;
 import android.service.notification.NotificationListenerService;
 
+import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.notification.NotificationBackend;
 import com.android.settings.notification.NotificationBackend.AppRow;
 import com.android.settingslib.applications.ApplicationsState;
@@ -35,11 +38,13 @@ public class AppStateNotificationBridge extends AppStateBaseBridge {
 
     private final NotificationBackend mNotifBackend;
     private final PackageManager mPm;
+    private final Context mContext;
 
-    public AppStateNotificationBridge(PackageManager pm, ApplicationsState appState,
+    public AppStateNotificationBridge(Context context, ApplicationsState appState,
             Callback callback, NotificationBackend notifBackend) {
         super(appState, callback);
-        mPm = pm;
+        mContext = context;
+        mPm = mContext.getPackageManager();
         mNotifBackend = notifBackend;
     }
 
@@ -49,13 +54,13 @@ public class AppStateNotificationBridge extends AppStateBaseBridge {
         final int N = apps.size();
         for (int i = 0; i < N; i++) {
             AppEntry app = apps.get(i);
-            app.extraInfo = mNotifBackend.loadAppRow(mPm, app.info);
+            app.extraInfo = mNotifBackend.loadAppRow(mContext, mPm, app.info);
         }
     }
 
     @Override
     protected void updateExtraInfo(AppEntry app, String pkg, int uid) {
-        app.extraInfo = mNotifBackend.loadAppRow(mPm, app.info);
+        app.extraInfo = mNotifBackend.loadAppRow(mContext, mPm, app.info);
     }
 
     public static final AppFilter FILTER_APP_NOTIFICATION_BLOCKED = new AppFilter() {
@@ -107,7 +112,7 @@ public class AppStateNotificationBridge extends AppStateBaseBridge {
 
         @Override
         public boolean filterApp(AppEntry info) {
-            return info.extraInfo != null
+            return info.extraInfo != null && ((AppRow) info.extraInfo).lockScreenSecure
                     && ((AppRow) info.extraInfo).appVisOverride == Notification.VISIBILITY_PRIVATE;
         }
     };
@@ -119,7 +124,7 @@ public class AppStateNotificationBridge extends AppStateBaseBridge {
 
         @Override
         public boolean filterApp(AppEntry info) {
-            return info.extraInfo != null
+            return info.extraInfo != null && ((AppRow) info.extraInfo).lockScreenSecure
                     && ((AppRow) info.extraInfo).appVisOverride == Notification.VISIBILITY_SECRET;
         }
     };
diff --git a/src/com/android/settings/applications/InstalledAppDetails.java b/src/com/android/settings/applications/InstalledAppDetails.java
index 2eaa76f3992..667b328666e 100755
--- a/src/com/android/settings/applications/InstalledAppDetails.java
+++ b/src/com/android/settings/applications/InstalledAppDetails.java
@@ -21,6 +21,7 @@ import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.AlertDialog;
 import android.app.LoaderManager.LoaderCallbacks;
+import android.app.Notification;
 import android.app.admin.DevicePolicyManager;
 import android.content.ActivityNotFoundException;
 import android.content.BroadcastReceiver;
@@ -73,6 +74,7 @@ import android.widget.TextView;
 import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.internal.os.BatterySipper;
 import com.android.internal.os.BatteryStatsHelper;
+import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.AppHeader;
 import com.android.settings.DeviceAdminAdd;
 import com.android.settings.R;
@@ -1001,18 +1003,39 @@ public class InstalledAppDetails extends AppInfoBase
 
     public static CharSequence getNotificationSummary(AppEntry appEntry, Context context,
             NotificationBackend backend) {
-        AppRow appRow = backend.loadAppRow(context.getPackageManager(), appEntry.info);
+        AppRow appRow = backend.loadAppRow(context, context.getPackageManager(), appEntry.info);
         return getNotificationSummary(appRow, context);
     }
 
     public static CharSequence getNotificationSummary(AppRow appRow, Context context) {
+        List<String> summaryAttributes = new ArrayList<>();
+        StringBuffer summary = new StringBuffer();
         if (appRow.banned) {
-            return context.getString(R.string.notifications_disabled);
+            summaryAttributes.add(context.getString(R.string.notifications_disabled));
         } else if (appRow.appImportance > NotificationListenerService.Ranking.IMPORTANCE_NONE
                 && appRow.appImportance < NotificationListenerService.Ranking.IMPORTANCE_DEFAULT) {
-            return context.getString(R.string.notifications_silenced);
+            summaryAttributes.add(context.getString(R.string.notifications_silenced));
         }
-        return "";
+        final boolean lockscreenSecure = new LockPatternUtils(context).isSecure(
+                UserHandle.myUserId());
+        if (lockscreenSecure) {
+            if (appRow.appVisOverride == Notification.VISIBILITY_PRIVATE) {
+                summaryAttributes.add(context.getString(R.string.notifications_redacted));
+            } else if (appRow.appVisOverride == Notification.VISIBILITY_SECRET) {
+                summaryAttributes.add(context.getString(R.string.notifications_hidden));
+            }
+        }
+        if (appRow.appBypassDnd) {
+            summaryAttributes.add(context.getString(R.string.notifications_priority));
+        }
+        final int N = summaryAttributes.size();
+        for (int i = 0; i < N; i++) {
+            if (i > 0) {
+                summary.append(context.getString(R.string.notifications_summary_divider));
+            }
+            summary.append(summaryAttributes.get(i));
+        }
+        return summary.toString();
     }
 
     private class MemoryUpdater extends AsyncTask<Void, Void, ProcStatsPackageEntry> {
diff --git a/src/com/android/settings/applications/ManageApplications.java b/src/com/android/settings/applications/ManageApplications.java
index 56661b4b214..34fed5717cc 100644
--- a/src/com/android/settings/applications/ManageApplications.java
+++ b/src/com/android/settings/applications/ManageApplications.java
@@ -788,8 +788,8 @@ public class ManageApplications extends InstrumentedFragment
             mPm = mContext.getPackageManager();
             mFilterMode = filterMode;
             if (mManageApplications.mListType == LIST_TYPE_NOTIFICATION) {
-                mExtraInfoBridge = new AppStateNotificationBridge(mContext.getPackageManager(),
-                        mState, this, manageApplications.mNotifBackend);
+                mExtraInfoBridge = new AppStateNotificationBridge(mContext, mState, this,
+                        manageApplications.mNotifBackend);
             } else if (mManageApplications.mListType == LIST_TYPE_USAGE_ACCESS) {
                 mExtraInfoBridge = new AppStateUsageBridge(mContext, mState, this);
             } else if (mManageApplications.mListType == LIST_TYPE_HIGH_POWER) {
diff --git a/src/com/android/settings/applications/NotificationApps.java b/src/com/android/settings/applications/NotificationApps.java
index 05b450ddef8..f76aa8d765c 100644
--- a/src/com/android/settings/applications/NotificationApps.java
+++ b/src/com/android/settings/applications/NotificationApps.java
@@ -52,7 +52,7 @@ public class NotificationApps extends ManageApplications {
                     ApplicationsState.getInstance((Application) context.getApplicationContext());
             mSession = mAppState.newSession(this);
             mNotifBackend = new NotificationBackend();
-            mExtraInfoBridge = new AppStateNotificationBridge(mContext.getPackageManager(),
+            mExtraInfoBridge = new AppStateNotificationBridge(mContext,
                     mAppState, this, mNotifBackend);
         }
 
@@ -72,8 +72,8 @@ public class NotificationApps extends ManageApplications {
             if (apps.size() == 0) {
                 mLoader.setSummary(this, mContext.getString(R.string.notification_summary_none));
             } else {
-                mLoader.setSummary(this, mContext.getString(R.string.notification_summary,
-                        apps.size()));
+                mLoader.setSummary(this, mContext.getResources().getQuantityString(
+                        R.plurals.notification_summary, apps.size(), apps.size()));
             }
         }
 
diff --git a/src/com/android/settings/notification/AppNotificationSettings.java b/src/com/android/settings/notification/AppNotificationSettings.java
index f3933001845..144c841a0d6 100644
--- a/src/com/android/settings/notification/AppNotificationSettings.java
+++ b/src/com/android/settings/notification/AppNotificationSettings.java
@@ -82,7 +82,7 @@ public class AppNotificationSettings extends NotificationSettingsBase {
         mBlock = (RestrictedSwitchPreference) getPreferenceScreen().findPreference(KEY_BLOCK);
         mSilent = (RestrictedSwitchPreference) getPreferenceScreen().findPreference(KEY_SILENT);
 
-        mAppRow = mBackend.loadAppRow(mPm, mPkgInfo);
+        mAppRow = mBackend.loadAppRow(mContext, mPm, mPkgInfo);
 
         NotificationManager.Policy policy =
                 NotificationManager.from(mContext).getNotificationPolicy();
diff --git a/src/com/android/settings/notification/NotificationBackend.java b/src/com/android/settings/notification/NotificationBackend.java
index c418769d04e..9b05da4018c 100644
--- a/src/com/android/settings/notification/NotificationBackend.java
+++ b/src/com/android/settings/notification/NotificationBackend.java
@@ -24,8 +24,11 @@ import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
 import android.os.ServiceManager;
+import android.os.UserHandle;
 import android.service.notification.NotificationListenerService;
 import android.util.Log;
+
+import com.android.internal.widget.LockPatternUtils;
 import com.android.settingslib.Utils;
 
 public class NotificationBackend {
@@ -34,7 +37,7 @@ public class NotificationBackend {
     static INotificationManager sINM = INotificationManager.Stub.asInterface(
             ServiceManager.getService(Context.NOTIFICATION_SERVICE));
 
-    public AppRow loadAppRow(PackageManager pm, ApplicationInfo app) {
+    public AppRow loadAppRow(Context context, PackageManager pm, ApplicationInfo app) {
         final AppRow row = new AppRow();
         row.pkg = app.packageName;
         row.uid = app.uid;
@@ -49,11 +52,13 @@ public class NotificationBackend {
         row.appImportance = getImportance(row.pkg, row.uid);
         row.appBypassDnd = getBypassZenMode(row.pkg, row.uid);
         row.appVisOverride = getVisibilityOverride(row.pkg, row.uid);
+        row.lockScreenSecure = new LockPatternUtils(context).isSecure(
+                UserHandle.myUserId());
         return row;
     }
 
-    public AppRow loadAppRow(PackageManager pm, PackageInfo app) {
-        final AppRow row = loadAppRow(pm, app.applicationInfo);
+    public AppRow loadAppRow(Context context, PackageManager pm, PackageInfo app) {
+        final AppRow row = loadAppRow(context, pm, app.applicationInfo);
         row.systemApp = Utils.isSystemPackage(pm, app);
         return row;
     }
@@ -142,5 +147,6 @@ public class NotificationBackend {
         public int appImportance;
         public boolean appBypassDnd;
         public int appVisOverride;
+        public boolean lockScreenSecure;
     }
 }