diff --git a/Android.bp b/Android.bp
index ca4971e..0271b2f 100644
--- a/Android.bp
+++ b/Android.bp
@@ -112,6 +112,7 @@
         "androidx.room_room-runtime",
         "SystemUIUnfoldLib",
         "aconfig_settings_flags_lib",
+        "android.content.pm.flags-aconfig-java",
     ],
 
     plugins: [
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 89f3bd4..f8eaaff 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -12470,4 +12470,7 @@
     <string name="grammatical_gender_title">Grammatical gender</string>
     <!-- Developer settings: select Grammatical gender dialog title [CHAR LIMIT=50]-->
     <string name="grammatical_gender_dialog_title">Select Grammatical gender</string>
+
+    <!-- Developer settings: Title for the screen allowing user to control Quarantined apps [CHAR LIMIT=50] -->
+    <string name="quarantined_apps_title">Quarantined Apps</string>
 </resources>
diff --git a/res/xml/development_settings.xml b/res/xml/development_settings.xml
index ab1ee41..4135750 100644
--- a/res/xml/development_settings.xml
+++ b/res/xml/development_settings.xml
@@ -736,6 +736,12 @@
             android:title="@string/enable_notes_role_title"
             android:summary="@string/enable_notes_role_summary" />
 
+        <Preference
+            android:key="quarantined_apps"
+            android:title="@string/quarantined_apps_title"
+            settings:controller="com.android.settings.development.quarantine.QuarantinedAppsPreferenceController"
+            android:fragment="com.android.settings.development.quarantine.QuarantinedAppsFragment" />
+
     </PreferenceCategory>
 
     <PreferenceCategory
diff --git a/res/xml/quarantined_apps.xml b/res/xml/quarantined_apps.xml
new file mode 100644
index 0000000..69a90d6
--- /dev/null
+++ b/res/xml/quarantined_apps.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2023 The Android Open Source Project
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
+    android:key="quarantined_apps_screen"
+    android:title="@string/quarantined_apps_title"
+    settings:controller="com.android.settings.development.quarantine.QuarantinedAppsScreenController"
+    settings:searchable="true">
+</PreferenceScreen>
\ No newline at end of file
diff --git a/src/com/android/settings/development/quarantine/OWNERS b/src/com/android/settings/development/quarantine/OWNERS
new file mode 100644
index 0000000..d4de31a
--- /dev/null
+++ b/src/com/android/settings/development/quarantine/OWNERS
@@ -0,0 +1,4 @@
+# Bug component: 316234
+
+sudheersai@google.com
+yamasani@google.com
\ No newline at end of file
diff --git a/src/com/android/settings/development/quarantine/QuarantinedAppPreference.java b/src/com/android/settings/development/quarantine/QuarantinedAppPreference.java
new file mode 100644
index 0000000..6ad1f86
--- /dev/null
+++ b/src/com/android/settings/development/quarantine/QuarantinedAppPreference.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development.quarantine;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+
+import androidx.preference.PreferenceViewHolder;
+
+import com.android.settings.R;
+import com.android.settingslib.applications.AppUtils;
+import com.android.settingslib.applications.ApplicationsState.AppEntry;
+import com.android.settingslib.utils.ThreadUtils;
+import com.android.settingslib.widget.AppSwitchPreference;
+
+public class QuarantinedAppPreference extends AppSwitchPreference {
+    private final AppEntry mEntry;
+    private Drawable mCacheIcon;
+
+    public QuarantinedAppPreference(Context context, AppEntry entry) {
+        super(context);
+        mEntry = entry;
+        mCacheIcon = AppUtils.getIconFromCache(mEntry);
+
+        mEntry.ensureLabel(context);
+        setKey(generateKey(mEntry));
+        if (mCacheIcon != null) {
+            setIcon(mCacheIcon);
+        } else {
+            setIcon(R.drawable.empty_icon);
+        }
+        updateState();
+    }
+
+    static String generateKey(AppEntry entry) {
+        return entry.info.packageName + "|" + entry.info.uid;
+    }
+
+    public AppEntry getEntry() {
+        return mEntry;
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder holder) {
+        if (mCacheIcon == null) {
+            ThreadUtils.postOnBackgroundThread(() -> {
+                final Drawable icon = AppUtils.getIcon(getContext(), mEntry);
+                ThreadUtils.postOnMainThread(() -> {
+                    setIcon(icon);
+                    mCacheIcon = icon;
+                });
+            });
+        }
+        super.onBindViewHolder(holder);
+    }
+
+    void updateState() {
+        setTitle(mEntry.label);
+        setChecked((boolean) mEntry.extraInfo);
+        notifyChanged();
+    }
+}
diff --git a/src/com/android/settings/development/quarantine/QuarantinedAppStateBridge.java b/src/com/android/settings/development/quarantine/QuarantinedAppStateBridge.java
new file mode 100644
index 0000000..206b922
--- /dev/null
+++ b/src/com/android/settings/development/quarantine/QuarantinedAppStateBridge.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development.quarantine;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.os.UserHandle;
+
+import com.android.settings.applications.AppStateBaseBridge;
+import com.android.settingslib.applications.ApplicationsState;
+import com.android.settingslib.applications.ApplicationsState.AppEntry;
+
+import java.util.ArrayList;
+
+public class QuarantinedAppStateBridge extends AppStateBaseBridge {
+    private Context mContext;
+
+    public QuarantinedAppStateBridge(Context context,
+            ApplicationsState appState, Callback callback) {
+        super(appState, callback);
+        mContext = context;
+    }
+
+    @Override
+    protected void loadAllExtraInfo() {
+        final ArrayList<AppEntry> apps = mAppSession.getAllApps();
+        for (int i = 0; i < apps.size(); i++) {
+            final AppEntry app = apps.get(i);
+            updateExtraInfo(app, app.info.packageName, app.info.uid);
+        }
+    }
+
+    @Override
+    protected void updateExtraInfo(AppEntry app, String pkg, int uid) {
+        app.extraInfo = isPackageQuarantined(pkg, uid);
+    }
+
+    private boolean isPackageQuarantined(String pkg, int uid) {
+        final PackageManager pm = mContext.createContextAsUser(
+                UserHandle.getUserHandleForUid(uid), 0).getPackageManager();
+        try {
+            return pm.isPackageQuarantined(pkg);
+        } catch (PackageManager.NameNotFoundException e) {
+            return false;
+        }
+    }
+}
diff --git a/src/com/android/settings/development/quarantine/QuarantinedAppsFragment.java b/src/com/android/settings/development/quarantine/QuarantinedAppsFragment.java
new file mode 100644
index 0000000..985e962
--- /dev/null
+++ b/src/com/android/settings/development/quarantine/QuarantinedAppsFragment.java
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development.quarantine;
+
+import static android.view.MenuItem.SHOW_AS_ACTION_ALWAYS;
+import static android.view.MenuItem.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW;
+
+import android.app.settings.SettingsEnums;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.widget.SearchView;
+
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.applications.AppIconCacheManager;
+import com.android.settingslib.applications.ApplicationsState;
+import com.android.settingslib.applications.ApplicationsState.AppFilter;
+import com.android.settingslib.search.SearchIndexable;
+
+import com.google.android.material.appbar.AppBarLayout;
+
+// TODO: b/297934650 - Update this to use SPA framework
+@SearchIndexable
+public class QuarantinedAppsFragment extends DashboardFragment implements
+        SearchView.OnQueryTextListener, SearchView.OnCloseListener,
+        MenuItem.OnActionExpandListener {
+    private static final String TAG = "QuarantinedApps";
+
+    private static final int MENU_SEARCH_APPS = Menu.FIRST + 42;
+    private static final int MENU_SHOW_SYSTEM = Menu.FIRST + 43;
+    private static final String EXTRA_SHOW_SYSTEM = "show_system";
+
+    private boolean mShowSystem;
+    private SearchView mSearchView;
+    private String mCurQuery;
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        mShowSystem = icicle != null && icicle.getBoolean(EXTRA_SHOW_SYSTEM);
+        use(QuarantinedAppsScreenController.class).setFilter(mCustomFilter);
+        use(QuarantinedAppsScreenController.class).setSession(getSettingsLifecycle());
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        mSearchView = new SearchView(getContext());
+        mSearchView.setOnQueryTextListener(this);
+        mSearchView.setOnCloseListener(this);
+        mSearchView.setIconifiedByDefault(true);
+
+        menu.add(Menu.NONE, MENU_SEARCH_APPS, Menu.NONE, R.string.search_settings)
+                .setIcon(R.drawable.ic_find_in_page_24px)
+                .setActionView(mSearchView)
+                .setOnActionExpandListener(this)
+                .setShowAsAction(SHOW_AS_ACTION_ALWAYS | SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW);
+        menu.add(Menu.NONE, MENU_SHOW_SYSTEM, Menu.NONE,
+                mShowSystem ? R.string.menu_hide_system : R.string.menu_show_system);
+        super.onCreateOptionsMenu(menu, inflater);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == MENU_SHOW_SYSTEM) {
+            mShowSystem = !mShowSystem;
+            item.setTitle(mShowSystem ? R.string.menu_hide_system : R.string.menu_show_system);
+            use(QuarantinedAppsScreenController.class).setFilter(mCustomFilter);
+            use(QuarantinedAppsScreenController.class).rebuild();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    public boolean onQueryTextChange(String newText) {
+        mCurQuery = !TextUtils.isEmpty(newText) ? newText : null;
+        use(QuarantinedAppsScreenController.class).rebuild();
+        return true;
+    }
+
+    @Override
+    public boolean onQueryTextSubmit(String query) {
+        // Don't care about this.
+        return true;
+    }
+
+    @Override
+    public boolean onClose() {
+        if (!TextUtils.isEmpty(mSearchView.getQuery())) {
+            mSearchView.setQuery(null, true);
+        }
+        return true;
+    }
+
+    public final AppFilter mCustomFilter = new AppFilter() {
+        @Override
+        public void init() {
+        }
+
+        @Override
+        public boolean filterApp(ApplicationsState.AppEntry entry) {
+            final AppFilter defaultFilter = mShowSystem ? ApplicationsState.FILTER_ALL_ENABLED
+                    : ApplicationsState.FILTER_DOWNLOADED_AND_LAUNCHER;
+            return defaultFilter.filterApp(entry) && (mCurQuery == null
+                    || entry.label.toLowerCase().contains(mCurQuery.toLowerCase()));
+        }
+    };
+
+    @Override
+    public boolean onMenuItemActionExpand(MenuItem item) {
+        final AppBarLayout mAppBarLayout = getActivity().findViewById(R.id.app_bar);
+        // To prevent a large space on tool bar.
+        mAppBarLayout.setExpanded(false /*expanded*/, false /*animate*/);
+        return true;
+    }
+
+    @Override
+    public boolean onMenuItemActionCollapse(MenuItem item) {
+        final AppBarLayout mAppBarLayout = getActivity().findViewById(R.id.app_bar);
+        // To prevent a large space on tool bar.
+        mAppBarLayout.setExpanded(false /*expanded*/, false /*animate*/);
+        return true;
+    }
+
+    @Override
+    public int getPreferenceScreenResId() {
+        return R.xml.quarantined_apps;
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putBoolean(EXTRA_SHOW_SYSTEM, mShowSystem);
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.QUARANTINED_APPS_DEV_CONTROL;
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        AppIconCacheManager.getInstance().release();
+    }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.quarantined_apps);
+}
diff --git a/src/com/android/settings/development/quarantine/QuarantinedAppsPreferenceController.java b/src/com/android/settings/development/quarantine/QuarantinedAppsPreferenceController.java
new file mode 100644
index 0000000..de3b18b
--- /dev/null
+++ b/src/com/android/settings/development/quarantine/QuarantinedAppsPreferenceController.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development.quarantine;
+
+import android.content.Context;
+import android.content.pm.Flags;
+
+import com.android.settings.core.BasePreferenceController;
+
+public class QuarantinedAppsPreferenceController extends BasePreferenceController {
+    public QuarantinedAppsPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return Flags.quarantinedEnabled() ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
+    }
+}
diff --git a/src/com/android/settings/development/quarantine/QuarantinedAppsScreenController.java b/src/com/android/settings/development/quarantine/QuarantinedAppsScreenController.java
new file mode 100644
index 0000000..e5373fd
--- /dev/null
+++ b/src/com/android/settings/development/quarantine/QuarantinedAppsScreenController.java
@@ -0,0 +1,221 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development.quarantine;
+
+import android.app.Application;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.os.UserHandle;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.applications.AppStateBaseBridge;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settingslib.applications.AppUtils;
+import com.android.settingslib.applications.ApplicationsState;
+import com.android.settingslib.applications.ApplicationsState.AppEntry;
+import com.android.settingslib.applications.ApplicationsState.AppFilter;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnDestroy;
+import com.android.settingslib.core.lifecycle.events.OnStart;
+import com.android.settingslib.core.lifecycle.events.OnStop;
+
+import java.util.ArrayList;
+import java.util.Set;
+import java.util.TreeSet;
+
+public class QuarantinedAppsScreenController extends BasePreferenceController implements
+        LifecycleObserver, OnStart, OnStop, OnDestroy,
+        ApplicationsState.Callbacks, Preference.OnPreferenceChangeListener,
+        AppStateBaseBridge.Callback {
+    private final ApplicationsState mApplicationsState;
+    private final QuarantinedAppStateBridge mQuarantinedAppStateBridge;
+    private ApplicationsState.Session mSession;
+    private PreferenceScreen mScreen;
+    private AppFilter mFilter;
+    private boolean mExtraLoaded;
+
+    public QuarantinedAppsScreenController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mApplicationsState = ApplicationsState.getInstance(
+                (Application) context.getApplicationContext());
+        mQuarantinedAppStateBridge = new QuarantinedAppStateBridge(context,
+                mApplicationsState, this);
+    }
+
+    @Override
+    public void onStart() {
+        mQuarantinedAppStateBridge.resume(true /* forceLoadAllApps */);
+    }
+
+    @Override
+    public void onStop() {
+        mQuarantinedAppStateBridge.pause();
+    }
+
+    @Override
+    public void onDestroy() {
+        mQuarantinedAppStateBridge.release();
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mScreen = screen;
+    }
+
+    public void setFilter(AppFilter filter) {
+        mFilter = filter;
+    }
+
+    public void setSession(Lifecycle lifecycle) {
+        mSession = mApplicationsState.newSession(this, lifecycle);
+    }
+
+    @Override
+    public void onExtraInfoUpdated() {
+        mExtraLoaded = true;
+        rebuild();
+    }
+
+    public void rebuild() {
+        if (!mExtraLoaded || mSession == null) {
+            return;
+        }
+
+        final ArrayList<AppEntry> apps = mSession.rebuild(mFilter,
+                ApplicationsState.ALPHA_COMPARATOR);
+        if (apps != null) {
+            onRebuildComplete(apps);
+        }
+    }
+
+    @Override
+    public void onRebuildComplete(ArrayList<AppEntry> apps) {
+        if (apps == null) {
+            return;
+        }
+
+        // Preload top visible icons of app list.
+        AppUtils.preloadTopIcons(mContext, apps,
+                mContext.getResources().getInteger(R.integer.config_num_visible_app_icons));
+
+        // Create apps key set for removing useless preferences
+        final Set<String> appsKeySet = new TreeSet<>();
+        // Add or update preferences
+        final int count = apps.size();
+        for (int i = 0; i < count; i++) {
+            final AppEntry entry = apps.get(i);
+            if (!shouldAddPreference(entry)) {
+                continue;
+            }
+            final String prefkey = QuarantinedAppPreference.generateKey(entry);
+            appsKeySet.add(prefkey);
+            QuarantinedAppPreference preference = mScreen.findPreference(prefkey);
+            if (preference == null) {
+                preference = new QuarantinedAppPreference(mScreen.getContext(), entry);
+                preference.setOnPreferenceChangeListener(this);
+                mScreen.addPreference(preference);
+            } else {
+                preference.updateState();
+            }
+            preference.setOrder(i);
+        }
+
+        // Remove useless preferences
+        removeUselessPrefs(appsKeySet);
+    }
+
+    private void removeUselessPrefs(final Set<String> appsKeySet) {
+        final int prefCount = mScreen.getPreferenceCount();
+        String prefKey;
+        if (prefCount > 0) {
+            for (int i = prefCount - 1; i >= 0; i--) {
+                final Preference pref = mScreen.getPreference(i);
+                prefKey = pref.getKey();
+                if (!appsKeySet.isEmpty() && appsKeySet.contains(prefKey)) {
+                    continue;
+                }
+                mScreen.removePreference(pref);
+            }
+        }
+    }
+
+    @VisibleForTesting
+    static boolean shouldAddPreference(AppEntry app) {
+        return app != null && UserHandle.isApp(app.info.uid);
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        if (preference instanceof QuarantinedAppPreference) {
+            final QuarantinedAppPreference quarantinedPreference =
+                    (QuarantinedAppPreference) preference;
+            final boolean quarantined = newValue == Boolean.TRUE;
+            setPackageQuarantined(quarantinedPreference.getEntry().info.packageName,
+                    quarantinedPreference.getEntry().info.uid, quarantined);
+            quarantinedPreference.getEntry().extraInfo = quarantined;
+            return true;
+        }
+        return false;
+    }
+
+    private void setPackageQuarantined(String pkg, int uid, boolean quarantined) {
+        final PackageManager pm = mContext.createContextAsUser(
+                UserHandle.getUserHandleForUid(uid), 0).getPackageManager();
+        pm.setPackagesSuspended(new String[] {pkg}, quarantined, null /* appExtras */,
+                null /* launcherExtras */, null /* dialogInfo */,
+                PackageManager.FLAG_SUSPEND_QUARANTINED);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public void onRunningStateChanged(boolean running) {
+    }
+
+    @Override
+    public void onPackageListChanged() {
+    }
+
+    @Override
+    public void onPackageIconChanged() {
+    }
+
+    @Override
+    public void onPackageSizeChanged(String packageName) {
+    }
+
+    @Override
+    public void onAllSizesComputed() {
+    }
+
+    @Override
+    public void onLauncherInfoChanged() {
+    }
+
+    @Override
+    public void onLoadEntriesCompleted() {
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/development/quarantine/QuarantinedAppsScreenControllerTest.java b/tests/robotests/src/com/android/settings/development/quarantine/QuarantinedAppsScreenControllerTest.java
new file mode 100644
index 0000000..32ad0ad
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/development/quarantine/QuarantinedAppsScreenControllerTest.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development.quarantine;
+
+import static org.mockito.AdditionalMatchers.aryEq;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.os.UserHandle;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settingslib.applications.ApplicationsState.AppEntry;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+
+@RunWith(RobolectricTestRunner.class)
+public class QuarantinedAppsScreenControllerTest {
+    private static final String PREF_KEY = "quarantined_apps_screen";
+    private static final String TEST_PACKAGE = "com.example.test.pkg";
+    private static final int TEST_APP_ID = 1234;
+    private static final int TEST_USER_ID = 10;
+
+    private Context mContext;
+    private QuarantinedAppsScreenController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        mController = new QuarantinedAppsScreenController(mContext, PREF_KEY);
+    }
+
+    @Test
+    public void testOnPreferenceChange() {
+        final Context userContext = mock(Context.class);
+        doReturn(userContext).when(mContext).createContextAsUser(
+                eq(UserHandle.of(TEST_USER_ID)), anyInt());
+        final PackageManager packageManager = mock(PackageManager.class);
+        doReturn(packageManager).when(userContext).getPackageManager();
+
+        final AppEntry entry = createAppEntry(TEST_PACKAGE, TEST_APP_ID, TEST_USER_ID);
+        final QuarantinedAppPreference preference = new QuarantinedAppPreference(mContext, entry);
+
+        mController.onPreferenceChange(preference, true);
+        verify(packageManager).setPackagesSuspended(aryEq(new String[] {TEST_PACKAGE}), eq(true),
+                any(), any(), any(),
+                eq(PackageManager.FLAG_SUSPEND_QUARANTINED));
+
+        mController.onPreferenceChange(preference, false);
+        verify(packageManager).setPackagesSuspended(aryEq(new String[] {TEST_PACKAGE}), eq(false),
+                any(), any(), any(),
+                eq(PackageManager.FLAG_SUSPEND_QUARANTINED));
+    }
+
+    private AppEntry createAppEntry(String packageName, int appId, int userId) {
+        final AppEntry entry = mock(AppEntry.class);
+        entry.info = createApplicationInfo(packageName, appId, userId);
+        entry.extraInfo = false;
+        return entry;
+    }
+
+    private ApplicationInfo createApplicationInfo(String packageName, int appId, int userId) {
+        final ApplicationInfo info = new ApplicationInfo();
+        info.packageName = packageName;
+        info.uid = UserHandle.getUid(userId, appId);
+        return info;
+    }
+}
diff --git a/tests/unit/Android.bp b/tests/unit/Android.bp
index c0d63e1..196b809 100644
--- a/tests/unit/Android.bp
+++ b/tests/unit/Android.bp
@@ -27,7 +27,7 @@
         "platform-test-annotations",
         "truth-prebuilt",
         "kotlinx_coroutines_test",
-        "flag-junit-base",
+        "flag-junit",
         // Don't add SettingsLib libraries here - you can use them directly as they are in the
         // instrumented Settings app.
     ],
diff --git a/tests/unit/src/com/android/settings/development/quarantine/QuarantinedAppStateBridgeTest.java b/tests/unit/src/com/android/settings/development/quarantine/QuarantinedAppStateBridgeTest.java
new file mode 100644
index 0000000..707d2b9
--- /dev/null
+++ b/tests/unit/src/com/android/settings/development/quarantine/QuarantinedAppStateBridgeTest.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development.quarantine;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.os.UserHandle;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settingslib.applications.ApplicationsState.AppEntry;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class QuarantinedAppStateBridgeTest {
+    private static final String TEST_PACKAGE = "com.example.test.pkg";
+    private static final int TEST_APP_ID = 1234;
+    private static final int TEST_USER_ID_1 = 0;
+    private static final int TEST_USER_ID_2 = 10;
+
+    @Mock
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void updateExtraInfo_packageQuarantined() throws Exception {
+        setPackageQuarantined(TEST_PACKAGE, TEST_USER_ID_1, false);
+        setPackageQuarantined(TEST_PACKAGE, TEST_USER_ID_2, true);
+
+        final QuarantinedAppStateBridge bridge =
+                new QuarantinedAppStateBridge(mContext, null, null);
+        final AppEntry entry = mock(AppEntry.class);
+
+        bridge.updateExtraInfo(entry, TEST_PACKAGE, UserHandle.getUid(TEST_USER_ID_2, TEST_APP_ID));
+        assertThat(entry.extraInfo).isEqualTo(true);
+    }
+
+    @Test
+    public void updateExtraInfo_packageNotQuarantined() throws Exception {
+        setPackageQuarantined(TEST_PACKAGE, TEST_USER_ID_1, false);
+        setPackageQuarantined(TEST_PACKAGE, TEST_USER_ID_2, false);
+
+        final QuarantinedAppStateBridge bridge =
+                new QuarantinedAppStateBridge(mContext, null, null);
+        final AppEntry entry = mock(AppEntry.class);
+
+        bridge.updateExtraInfo(entry, TEST_PACKAGE, UserHandle.getUid(TEST_USER_ID_2, TEST_APP_ID));
+        assertThat(entry.extraInfo).isEqualTo(false);
+    }
+
+    private void setPackageQuarantined(String packageName, int userId, boolean quarantined)
+            throws Exception {
+        final Context userContext = mock(Context.class);
+        when(mContext.createContextAsUser(eq(UserHandle.of(userId)), anyInt()))
+                .thenReturn(userContext);
+        final PackageManager packageManager = mock(PackageManager.class);
+        when(userContext.getPackageManager()).thenReturn(packageManager);
+        when(packageManager.isPackageQuarantined(packageName)).thenReturn(quarantined);
+    }
+}
diff --git a/tests/unit/src/com/android/settings/development/quarantine/QuarantinedAppsPreferenceControllerTest.java b/tests/unit/src/com/android/settings/development/quarantine/QuarantinedAppsPreferenceControllerTest.java
new file mode 100644
index 0000000..33e4392
--- /dev/null
+++ b/tests/unit/src/com/android/settings/development/quarantine/QuarantinedAppsPreferenceControllerTest.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development.quarantine;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE;
+
+import static org.junit.Assert.assertEquals;
+
+import android.content.Context;
+import android.content.pm.Flags;
+import android.platform.test.annotations.RequiresFlagsDisabled;
+import android.platform.test.annotations.RequiresFlagsEnabled;
+import android.platform.test.flag.junit.CheckFlagsRule;
+import android.platform.test.flag.junit.DeviceFlagsValueProvider;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class QuarantinedAppsPreferenceControllerTest {
+
+    private static final String PREF_KEY = "quarantined_apps";
+
+    @Rule
+    public final CheckFlagsRule mCheckFlagsRule = DeviceFlagsValueProvider.createCheckFlagsRule();
+
+    @Mock
+    private Context mContext;
+    private QuarantinedAppsPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mController = new QuarantinedAppsPreferenceController(mContext, PREF_KEY);
+    }
+
+    @Test
+    @RequiresFlagsEnabled(Flags.FLAG_QUARANTINED_ENABLED)
+    public void testAvailabilityStatus_flagEnabled() {
+        assertEquals(mController.getAvailabilityStatus(), AVAILABLE);
+    }
+
+    @Test
+    @RequiresFlagsDisabled(Flags.FLAG_QUARANTINED_ENABLED)
+    public void testAvailabilityStatus_flagDisabled() {
+        assertEquals(mController.getAvailabilityStatus(), CONDITIONALLY_UNAVAILABLE);
+    }
+}