diff --git a/quickstep/src/com/android/launcher3/uioverrides/flags/DeveloperOptionsFragment.java b/quickstep/src/com/android/launcher3/uioverrides/flags/DeveloperOptionsUI.java
similarity index 79%
rename from quickstep/src/com/android/launcher3/uioverrides/flags/DeveloperOptionsFragment.java
rename to quickstep/src/com/android/launcher3/uioverrides/flags/DeveloperOptionsUI.java
index a922ed1..396f94f 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/flags/DeveloperOptionsFragment.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/flags/DeveloperOptionsUI.java
@@ -15,9 +15,6 @@
  */
 package com.android.launcher3.uioverrides.flags;
 
-import static android.content.Intent.ACTION_PACKAGE_ADDED;
-import static android.content.Intent.ACTION_PACKAGE_CHANGED;
-import static android.content.Intent.ACTION_PACKAGE_REMOVED;
 import static android.content.pm.PackageManager.GET_RESOLVED_FILTER;
 import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS;
 import static android.view.View.GONE;
@@ -30,7 +27,7 @@
 import static com.android.launcher3.LauncherPrefs.LONG_PRESS_NAV_HANDLE_HAPTIC_HINT_START_SCALE_PERCENT;
 import static com.android.launcher3.LauncherPrefs.LONG_PRESS_NAV_HANDLE_SLOP_PERCENTAGE;
 import static com.android.launcher3.LauncherPrefs.LONG_PRESS_NAV_HANDLE_TIMEOUT_MS;
-import static com.android.launcher3.settings.SettingsActivity.EXTRA_FRAGMENT_ARG_KEY;
+import static com.android.launcher3.settings.SettingsActivity.EXTRA_FRAGMENT_HIGHLIGHT_KEY;
 import static com.android.launcher3.uioverrides.plugins.PluginManagerWrapper.PLUGIN_CHANGED;
 import static com.android.launcher3.uioverrides.plugins.PluginManagerWrapper.pluginEnabledKey;
 import static com.android.launcher3.util.OnboardingPrefs.ALL_APPS_VISITED_COUNT;
@@ -40,7 +37,6 @@
 import static com.android.launcher3.util.OnboardingPrefs.HOTSEAT_LONGPRESS_TIP_SEEN;
 import static com.android.launcher3.util.OnboardingPrefs.TASKBAR_EDU_TOOLTIP_STEP;
 
-import android.annotation.TargetApi;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -48,23 +44,17 @@
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.net.Uri;
-import android.os.Build;
-import android.os.Bundle;
 import android.provider.Settings;
 import android.text.Editable;
-import android.text.TextUtils;
 import android.text.TextWatcher;
 import android.util.ArrayMap;
 import android.util.Pair;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
+import android.view.LayoutInflater;
 import android.view.View;
+import android.view.ViewGroup;
 import android.widget.EditText;
 import android.widget.Toast;
 
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceCategory;
 import androidx.preference.PreferenceDataStore;
@@ -81,7 +71,6 @@
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.secondarydisplay.SecondaryDisplayLauncher;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
-import com.android.launcher3.util.SimpleBroadcastReceiver;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -92,30 +81,32 @@
  * Dev-build only UI allowing developers to toggle flag settings and plugins.
  * See {@link FeatureFlags}.
  */
-@TargetApi(Build.VERSION_CODES.O)
-public class DeveloperOptionsFragment extends PreferenceFragmentCompat {
+public class DeveloperOptionsUI {
 
-    private static final String ACTION_PLUGIN_SETTINGS = "com.android.systemui.action.PLUGIN_SETTINGS";
+    private static final String ACTION_PLUGIN_SETTINGS =
+            "com.android.systemui.action.PLUGIN_SETTINGS";
     private static final String PLUGIN_PERMISSION = "com.android.systemui.permission.PLUGIN";
 
-    private final SimpleBroadcastReceiver mPluginReceiver =
-            new SimpleBroadcastReceiver(i -> loadPluginPrefs());
-
-    private PreferenceScreen mPreferenceScreen;
+    private final PreferenceFragmentCompat mFragment;
+    private final PreferenceScreen mPreferenceScreen;
 
     private PreferenceCategory mPluginsCategory;
-    private FlagTogglerPrefUi mFlagTogglerPrefUi;
 
-    @Override
-    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
-        mPluginReceiver.registerPkgActions(getContext(), null,
-                ACTION_PACKAGE_ADDED, ACTION_PACKAGE_CHANGED, ACTION_PACKAGE_REMOVED);
-        mPluginReceiver.register(getContext(), Intent.ACTION_USER_UNLOCKED);
+    public DeveloperOptionsUI(PreferenceFragmentCompat fragment, PreferenceCategory flags) {
+        mFragment = fragment;
+        mPreferenceScreen = fragment.getPreferenceScreen();
 
-        mPreferenceScreen = getPreferenceManager().createPreferenceScreen(getContext());
-        setPreferenceScreen(mPreferenceScreen);
+        // Add search bar
+        View listView = mFragment.getListView();
+        ViewGroup parent = (ViewGroup) listView.getParent();
+        View topBar = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.developer_options_top_bar, parent, false);
+        parent.addView(topBar, parent.indexOfChild(listView));
+        initSearch(topBar.findViewById(R.id.filter_box));
 
-        initFlags();
+        new FlagTogglerPrefUi(mFragment.requireActivity(), topBar.findViewById(R.id.flag_apply_btn))
+                .applyTo(flags);
+
         loadPluginPrefs();
         maybeAddSandboxCategory();
         addOnboardingPrefsCatergory();
@@ -123,10 +114,6 @@
             addAllAppsFromOverviewCatergory();
         }
         addCustomLpnhCategory();
-
-        if (getActivity() != null) {
-            getActivity().setTitle("Developer Options");
-        }
     }
 
     private void filterPreferences(String query, PreferenceGroup pg) {
@@ -149,21 +136,13 @@
         pg.setVisible(hidden != count);
     }
 
-    @Override
-    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-        EditText filterBox = view.findViewById(R.id.filter_box);
-        filterBox.setVisibility(VISIBLE);
+    private void initSearch(EditText filterBox) {
         filterBox.addTextChangedListener(new TextWatcher() {
             @Override
-            public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
-
-            }
+            public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) { }
 
             @Override
-            public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
-
-            }
+            public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) { }
 
             @Override
             public void afterTextChanged(Editable editable) {
@@ -172,85 +151,33 @@
             }
         });
 
-        if (getArguments() != null) {
-            String filter = getArguments().getString(EXTRA_FRAGMENT_ARG_KEY);
+        if (mFragment.getArguments() != null) {
+            String filter = mFragment.getArguments().getString(EXTRA_FRAGMENT_HIGHLIGHT_KEY);
             // Normally EXTRA_FRAGMENT_ARG_KEY is used to highlight the preference with the given
             // key. This is a slight variation where we instead filter by the human-readable titles.
             if (filter != null) {
                 filterBox.setText(filter);
             }
         }
-
-        View listView = getListView();
-        final int bottomPadding = listView.getPaddingBottom();
-        listView.setOnApplyWindowInsetsListener((v, insets) -> {
-            v.setPadding(
-                    v.getPaddingLeft(),
-                    v.getPaddingTop(),
-                    v.getPaddingRight(),
-                    bottomPadding + insets.getSystemWindowInsetBottom());
-            return insets.consumeSystemWindowInsets();
-        });
-    }
-
-    @Override
-    public void onDestroy() {
-        super.onDestroy();
-        mPluginReceiver.unregisterReceiverSafely(getContext());
     }
 
     private PreferenceCategory newCategory(String title) {
-        return newCategory(title, null);
-    }
-
-    private PreferenceCategory newCategory(String title, @Nullable String summary) {
         PreferenceCategory category = new PreferenceCategory(getContext());
         category.setOrder(Preference.DEFAULT_ORDER);
         category.setTitle(title);
-        if (!TextUtils.isEmpty(summary)) {
-            category.setSummary(summary);
-        }
         mPreferenceScreen.addPreference(category);
         return category;
     }
 
-    private void initFlags() {
-        if (!FeatureFlags.showFlagTogglerUi(getContext())) {
-            return;
-        }
-
-        mFlagTogglerPrefUi = new FlagTogglerPrefUi(this);
-        mFlagTogglerPrefUi.applyTo(newCategory("Feature flags", "Long press to reset"));
-    }
-
-    @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        if (mFlagTogglerPrefUi != null) {
-            mFlagTogglerPrefUi.onCreateOptionsMenu(menu);
-        }
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        if (mFlagTogglerPrefUi != null) {
-            mFlagTogglerPrefUi.onOptionsItemSelected(item);
-        }
-        return super.onOptionsItemSelected(item);
-    }
-
-    @Override
-    public void onStop() {
-        if (mFlagTogglerPrefUi != null) {
-            mFlagTogglerPrefUi.onStop();
-        }
-        super.onStop();
+    private Context getContext() {
+        return mFragment.requireContext();
     }
 
     private void loadPluginPrefs() {
         if (mPluginsCategory != null) {
             mPreferenceScreen.removePreference(mPluginsCategory);
         }
-        if (!PluginManagerWrapper.hasPlugins(getActivity())) {
+        if (!PluginManagerWrapper.hasPlugins(getContext())) {
             mPluginsCategory = null;
             return;
         }
@@ -323,68 +250,57 @@
         launchTutorialStepMenuPreference.setKey("launchTutorialStepMenu");
         launchTutorialStepMenuPreference.setTitle("Launch Gesture Tutorial Steps menu");
         launchTutorialStepMenuPreference.setSummary("Select a gesture tutorial step.");
-        launchTutorialStepMenuPreference.setOnPreferenceClickListener(preference -> {
-            startActivity(launchSandboxIntent.putExtra("use_tutorial_menu", true));
-            return true;
-        });
+        launchTutorialStepMenuPreference.setIntent(
+                new Intent(launchSandboxIntent).putExtra("use_tutorial_menu", true));
+
         sandboxCategory.addPreference(launchTutorialStepMenuPreference);
         Preference launchOnboardingTutorialPreference = new Preference(context);
         launchOnboardingTutorialPreference.setKey("launchOnboardingTutorial");
         launchOnboardingTutorialPreference.setTitle("Launch Onboarding Tutorial");
         launchOnboardingTutorialPreference.setSummary("Learn the basic navigation gestures.");
-        launchOnboardingTutorialPreference.setOnPreferenceClickListener(preference -> {
-            startActivity(launchSandboxIntent
-                    .putExtra("use_tutorial_menu", false)
-                    .putExtra("tutorial_steps",
-                            new String[] {
-                                    "HOME_NAVIGATION",
-                                    "BACK_NAVIGATION",
-                                    "OVERVIEW_NAVIGATION"}));
-            return true;
-        });
+        launchTutorialStepMenuPreference.setIntent(new Intent(launchSandboxIntent)
+                .putExtra("use_tutorial_menu", false)
+                .putExtra("tutorial_steps",
+                        new String[] {
+                                "HOME_NAVIGATION",
+                                "BACK_NAVIGATION",
+                                "OVERVIEW_NAVIGATION"}));
+
         sandboxCategory.addPreference(launchOnboardingTutorialPreference);
         Preference launchBackTutorialPreference = new Preference(context);
         launchBackTutorialPreference.setKey("launchBackTutorial");
         launchBackTutorialPreference.setTitle("Launch Back Tutorial");
         launchBackTutorialPreference.setSummary("Learn how to use the Back gesture");
-        launchBackTutorialPreference.setOnPreferenceClickListener(preference -> {
-            startActivity(launchSandboxIntent
+        launchBackTutorialPreference.setIntent(new Intent(launchSandboxIntent)
                     .putExtra("use_tutorial_menu", false)
                     .putExtra("tutorial_steps", new String[] {"BACK_NAVIGATION"}));
-            return true;
-        });
+
         sandboxCategory.addPreference(launchBackTutorialPreference);
         Preference launchHomeTutorialPreference = new Preference(context);
         launchHomeTutorialPreference.setKey("launchHomeTutorial");
         launchHomeTutorialPreference.setTitle("Launch Home Tutorial");
         launchHomeTutorialPreference.setSummary("Learn how to use the Home gesture");
-        launchHomeTutorialPreference.setOnPreferenceClickListener(preference -> {
-            startActivity(launchSandboxIntent
+        launchHomeTutorialPreference.setIntent(new Intent(launchSandboxIntent)
                     .putExtra("use_tutorial_menu", false)
                     .putExtra("tutorial_steps", new String[] {"HOME_NAVIGATION"}));
-            return true;
-        });
+
         sandboxCategory.addPreference(launchHomeTutorialPreference);
         Preference launchOverviewTutorialPreference = new Preference(context);
         launchOverviewTutorialPreference.setKey("launchOverviewTutorial");
         launchOverviewTutorialPreference.setTitle("Launch Overview Tutorial");
         launchOverviewTutorialPreference.setSummary("Learn how to use the Overview gesture");
-        launchOverviewTutorialPreference.setOnPreferenceClickListener(preference -> {
-            startActivity(launchSandboxIntent
+        launchOverviewTutorialPreference.setIntent(new Intent(launchSandboxIntent)
                     .putExtra("use_tutorial_menu", false)
                     .putExtra("tutorial_steps", new String[] {"OVERVIEW_NAVIGATION"}));
-            return true;
-        });
+
         sandboxCategory.addPreference(launchOverviewTutorialPreference);
         Preference launchSecondaryDisplayPreference = new Preference(context);
         launchSecondaryDisplayPreference.setKey("launchSecondaryDisplay");
         launchSecondaryDisplayPreference.setTitle("Launch Secondary Display");
         launchSecondaryDisplayPreference.setSummary("Launch secondary display activity");
-        launchSecondaryDisplayPreference.setOnPreferenceClickListener(preference -> {
-            startActivity(new Intent(context, SecondaryDisplayLauncher.class));
-            return true;
-        });
-        sandboxCategory.addPreference(launchSecondaryDisplayPreference);
+        launchSecondaryDisplayPreference.setIntent(
+                new Intent(context, SecondaryDisplayLauncher.class));
+
     }
 
     private void addOnboardingPrefsCatergory() {
diff --git a/quickstep/src/com/android/launcher3/uioverrides/flags/FlagTogglerPrefUi.java b/quickstep/src/com/android/launcher3/uioverrides/flags/FlagTogglerPrefUi.java
index 87c836b..ec0566a 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/flags/FlagTogglerPrefUi.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/flags/FlagTogglerPrefUi.java
@@ -19,24 +19,23 @@
 import static com.android.launcher3.config.FeatureFlags.FlagState.TEAMFOOD;
 import static com.android.launcher3.uioverrides.flags.FlagsFactory.TEAMFOOD_FLAG;
 
+import android.app.Activity;
 import android.content.Context;
 import android.os.Handler;
 import android.os.Process;
 import android.text.Html;
 import android.text.TextUtils;
 import android.util.Log;
-import android.view.Menu;
-import android.view.MenuItem;
+import android.view.View;
 import android.widget.Toast;
 
 import androidx.preference.PreferenceDataStore;
-import androidx.preference.PreferenceFragmentCompat;
 import androidx.preference.PreferenceGroup;
 import androidx.preference.PreferenceViewHolder;
 import androidx.preference.SwitchPreference;
 
-import com.android.launcher3.R;
 import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.util.ActivityLifecycleCallbacksAdapter;
 
 import java.util.List;
 import java.util.Set;
@@ -44,12 +43,13 @@
 /**
  * Dev-build only UI allowing developers to toggle flag settings. See {@link FeatureFlags}.
  */
-public final class FlagTogglerPrefUi {
+public final class FlagTogglerPrefUi implements ActivityLifecycleCallbacksAdapter {
 
     private static final String TAG = "FlagTogglerPrefFrag";
 
-    private final PreferenceFragmentCompat mFragment;
+    private final View mFlagsApplyButton;
     private final Context mContext;
+
     private final PreferenceDataStore mDataStore = new PreferenceDataStore() {
 
         @Override
@@ -64,9 +64,17 @@
         }
     };
 
-    public FlagTogglerPrefUi(PreferenceFragmentCompat fragment) {
-        mFragment = fragment;
-        mContext = fragment.getActivity();
+    public FlagTogglerPrefUi(Activity activity, View flagsApplyButton) {
+        mFlagsApplyButton = flagsApplyButton;
+        mContext = mFlagsApplyButton.getContext();
+        activity.registerActivityLifecycleCallbacks(this);
+
+        mFlagsApplyButton.setOnClickListener(v -> {
+            FlagsFactory.getSharedPreferences().edit().commit();
+            Log.e(TAG,
+                    "Killing launcher process " + Process.myPid() + " to apply new flag values");
+            System.exit(0);
+        });
     }
 
     public void applyTo(PreferenceGroup parent) {
@@ -137,27 +145,11 @@
     }
 
     private void updateMenu() {
-        mFragment.setHasOptionsMenu(anyChanged());
-        mFragment.getActivity().invalidateOptionsMenu();
+        mFlagsApplyButton.setVisibility(anyChanged() ? View.VISIBLE : View.INVISIBLE);
     }
 
-    public void onCreateOptionsMenu(Menu menu) {
-        if (anyChanged()) {
-            menu.add(0, R.id.menu_apply_flags, 0, "Apply")
-                    .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
-        }
-    }
-
-    public void onOptionsItemSelected(MenuItem item) {
-        if (item.getItemId() == R.id.menu_apply_flags) {
-            FlagsFactory.getSharedPreferences().edit().commit();
-            Log.e(TAG,
-                    "Killing launcher process " + Process.myPid() + " to apply new flag values");
-            System.exit(0);
-        }
-    }
-
-    public void onStop() {
+    @Override
+    public void onActivityStopped(Activity activity) {
         if (anyChanged()) {
             Toast.makeText(mContext, "Flag won't be applied until you restart launcher",
                     Toast.LENGTH_LONG).show();
diff --git a/res/layout/developer_options_top_bar.xml b/res/layout/developer_options_top_bar.xml
new file mode 100644
index 0000000..1b138ea
--- /dev/null
+++ b/res/layout/developer_options_top_bar.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="horizontal"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:showDividers="middle">
+
+    <EditText
+        android:id="@+id/filter_box"
+        android:layout_width="0dp"
+        android:layout_weight="1"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="@dimen/developer_options_filter_margins"
+        android:hint="@string/developer_options_filter_hint"
+        android:inputType="text"
+        android:maxLines="1"
+        android:imeOptions="actionDone"
+        />
+    <Button
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="center_vertical"
+        android:text="Apply"
+        android:visibility="invisible"
+        android:id="@+id/flag_apply_btn" />
+</LinearLayout>
\ No newline at end of file
diff --git a/res/layout/home_settings.xml b/res/layout/home_settings.xml
index c0f16e2..62900a8 100644
--- a/res/layout/home_settings.xml
+++ b/res/layout/home_settings.xml
@@ -3,22 +3,5 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
-
-    <EditText
-        android:id="@+id/filter_box"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginHorizontal="@dimen/developer_options_filter_margins"
-        android:hint="@string/developer_options_filter_hint"
-        android:visibility="gone"
-        android:inputType="text"
-        android:maxLines="1"
-        android:imeOptions="actionDone"
-        />
-
-    <FrameLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:id="@android:id/list_container"/>
-</LinearLayout>
\ No newline at end of file
+    android:layout_height="match_parent"
+    android:id="@android:id/list_container"/>
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 7b27a71..e797147 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -58,7 +58,6 @@
 import android.os.Message;
 import android.os.Process;
 import android.os.TransactionTooLargeException;
-import android.provider.Settings;
 import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.TextUtils;
@@ -168,11 +167,6 @@
         return nightMode == Configuration.UI_MODE_NIGHT_YES;
     }
 
-    public static boolean isDevelopersOptionsEnabled(Context context) {
-        return Settings.Global.getInt(context.getApplicationContext().getContentResolver(),
-                        Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
-    }
-
     private static boolean sIsRunningInTestHarness = ActivityManager.isRunningInTestHarness();
 
     public static boolean isRunningInTestHarness() {
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index b8787fd..9c0a508 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -23,13 +23,10 @@
 import static com.android.launcher3.uioverrides.flags.FlagsFactory.getDebugFlag;
 import static com.android.launcher3.uioverrides.flags.FlagsFactory.getReleaseFlag;
 
-import android.content.Context;
-
 import androidx.annotation.VisibleForTesting;
 
 import com.android.launcher3.BuildConfig;
 import com.android.launcher3.Flags;
-import com.android.launcher3.Utilities;
 
 import java.util.function.Predicate;
 import java.util.function.ToIntFunction;
@@ -48,10 +45,6 @@
 
     private FeatureFlags() { }
 
-    public static boolean showFlagTogglerUi(Context context) {
-        return BuildConfig.IS_DEBUG_DEVICE && Utilities.isDevelopersOptionsEnabled(context);
-    }
-
     /**
      * True when the build has come from Android Studio and is being used for local debugging.
      * @deprecated Use {@link BuildConfig#IS_STUDIO_BUILD} directly
diff --git a/src/com/android/launcher3/settings/NotificationDotsPreference.java b/src/com/android/launcher3/settings/NotificationDotsPreference.java
index 1816e7b..ac5571f 100644
--- a/src/com/android/launcher3/settings/NotificationDotsPreference.java
+++ b/src/com/android/launcher3/settings/NotificationDotsPreference.java
@@ -15,8 +15,7 @@
  */
 package com.android.launcher3.settings;
 
-import static com.android.launcher3.settings.SettingsActivity.EXTRA_FRAGMENT_ARG_KEY;
-import static com.android.launcher3.settings.SettingsActivity.EXTRA_SHOW_FRAGMENT_ARGS;
+import static com.android.launcher3.settings.SettingsActivity.EXTRA_FRAGMENT_HIGHLIGHT_KEY;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.SettingsCache.NOTIFICATION_BADGING_URI;
 
@@ -51,6 +50,7 @@
 
     /** Hidden field Settings.Secure.ENABLED_NOTIFICATION_LISTENERS */
     private static final String NOTIFICATION_ENABLED_LISTENERS = "enabled_notification_listeners";
+    private static final String EXTRA_SHOW_FRAGMENT_ARGS = ":settings:show_fragment_args";
 
     private final ContentObserver mListenerListObserver =
             new ContentObserver(MAIN_EXECUTOR.getHandler()) {
@@ -88,7 +88,7 @@
 
         // Update intent
         Bundle extras = new Bundle();
-        extras.putString(EXTRA_FRAGMENT_ARG_KEY, "notification_badging");
+        extras.putString(EXTRA_FRAGMENT_HIGHLIGHT_KEY, "notification_badging");
 
         setIntent(new Intent("android.settings.NOTIFICATION_SETTINGS")
                 .putExtra(EXTRA_SHOW_FRAGMENT_ARGS, extras));
@@ -169,11 +169,11 @@
         public void onClick(DialogInterface dialogInterface, int i) {
             ComponentName cn = new ComponentName(getActivity(), NotificationListener.class);
             Bundle showFragmentArgs = new Bundle();
-            showFragmentArgs.putString(EXTRA_FRAGMENT_ARG_KEY, cn.flattenToString());
+            showFragmentArgs.putString(EXTRA_FRAGMENT_HIGHLIGHT_KEY, cn.flattenToString());
 
             Intent intent = new Intent(Settings.ACTION_NOTIFICATION_LISTENER_SETTINGS)
                     .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
-                    .putExtra(EXTRA_FRAGMENT_ARG_KEY, cn.flattenToString())
+                    .putExtra(EXTRA_FRAGMENT_HIGHLIGHT_KEY, cn.flattenToString())
                     .putExtra(EXTRA_SHOW_FRAGMENT_ARGS, showFragmentArgs);
             getActivity().startActivity(intent);
         }
diff --git a/src/com/android/launcher3/settings/SettingsActivity.java b/src/com/android/launcher3/settings/SettingsActivity.java
index 623b557..228af4c 100644
--- a/src/com/android/launcher3/settings/SettingsActivity.java
+++ b/src/com/android/launcher3/settings/SettingsActivity.java
@@ -16,19 +16,26 @@
 
 package com.android.launcher3.settings;
 
-import static androidx.core.view.accessibility.AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS;
+import static android.provider.Settings.Global.DEVELOPMENT_SETTINGS_ENABLED;
 
-import static com.android.launcher3.config.FeatureFlags.IS_STUDIO_BUILD;
+import static androidx.core.view.accessibility.AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS;
+import static androidx.preference.PreferenceFragmentCompat.ARG_PREFERENCE_ROOT;
+
+import static com.android.launcher3.BuildConfig.IS_DEBUG_DEVICE;
+import static com.android.launcher3.BuildConfig.IS_STUDIO_BUILD;
 import static com.android.launcher3.states.RotationHelper.ALLOW_ROTATION_PREFERENCE_KEY;
 
+import android.app.Activity;
 import android.content.Intent;
-import android.content.SharedPreferences;
+import android.net.Uri;
 import android.os.Bundle;
+import android.provider.Settings;
 import android.text.TextUtils;
 import android.view.MenuItem;
 import android.view.View;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.core.view.WindowCompat;
 import androidx.fragment.app.DialogFragment;
@@ -36,6 +43,7 @@
 import androidx.fragment.app.FragmentActivity;
 import androidx.fragment.app.FragmentManager;
 import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import androidx.preference.PreferenceFragmentCompat;
 import androidx.preference.PreferenceFragmentCompat.OnPreferenceStartFragmentCallback;
 import androidx.preference.PreferenceFragmentCompat.OnPreferenceStartScreenCallback;
@@ -43,59 +51,51 @@
 import androidx.preference.PreferenceScreen;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.android.launcher3.BuildConfig;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherFiles;
-import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.states.RotationHelper;
-import com.android.launcher3.uioverrides.flags.DeveloperOptionsFragment;
-import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
+import com.android.launcher3.uioverrides.flags.DeveloperOptionsUI;
 import com.android.launcher3.util.DisplayController;
-
-import java.util.Collections;
-import java.util.List;
+import com.android.launcher3.util.Executors;
+import com.android.launcher3.util.SettingsCache;
 
 /**
  * Settings activity for Launcher. Currently implements the following setting: Allow rotation
  */
 public class SettingsActivity extends FragmentActivity
-        implements OnPreferenceStartFragmentCallback, OnPreferenceStartScreenCallback,
-        SharedPreferences.OnSharedPreferenceChangeListener{
+        implements OnPreferenceStartFragmentCallback, OnPreferenceStartScreenCallback {
 
-    /** List of fragments that can be hosted by this activity. */
-    private static final List<String> VALID_PREFERENCE_FRAGMENTS =
-            !Utilities.IS_DEBUG_DEVICE ? Collections.emptyList()
-                    : Collections.singletonList(DeveloperOptionsFragment.class.getName());
-
-    private static final String DEVELOPER_OPTIONS_KEY = "pref_developer_options";
-    private static final String FLAGS_PREFERENCE_KEY = "flag_toggler";
+    @VisibleForTesting
+    static final String DEVELOPER_OPTIONS_KEY = "pref_developer_options";
 
     private static final String NOTIFICATION_DOTS_PREFERENCE_KEY = "pref_icon_badging";
 
-    public static final String EXTRA_FRAGMENT_ARG_KEY = ":settings:fragment_args_key";
-    public static final String EXTRA_SHOW_FRAGMENT_ARGS = ":settings:show_fragment_args";
+    public static final String EXTRA_FRAGMENT_ARGS = ":settings:fragment_args";
+
+    // Intent extra to indicate the pref-key to highlighted when opening the settings activity
+    public static final String EXTRA_FRAGMENT_HIGHLIGHT_KEY = ":settings:fragment_args_key";
+    // Intent extra to indicate the pref-key of the root screen when opening the settings activity
+    public static final String EXTRA_FRAGMENT_ROOT_KEY = ARG_PREFERENCE_ROOT;
+
     private static final int DELAY_HIGHLIGHT_DURATION_MILLIS = 600;
     public static final String SAVE_HIGHLIGHTED_KEY = "android:preference_highlighted";
 
-    @VisibleForTesting
-    static final String EXTRA_FRAGMENT = ":settings:fragment";
-    @VisibleForTesting
-    static final String EXTRA_FRAGMENT_ARGS = ":settings:fragment_args";
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.settings_activity);
+
         setActionBar(findViewById(R.id.action_bar));
         WindowCompat.setDecorFitsSystemWindows(getWindow(), false);
 
         Intent intent = getIntent();
-        if (intent.hasExtra(EXTRA_FRAGMENT) || intent.hasExtra(EXTRA_FRAGMENT_ARGS)
-                || intent.hasExtra(EXTRA_FRAGMENT_ARG_KEY)) {
+        if (intent.hasExtra(EXTRA_FRAGMENT_ROOT_KEY) || intent.hasExtra(EXTRA_FRAGMENT_ARGS)
+                || intent.hasExtra(EXTRA_FRAGMENT_HIGHLIGHT_KEY)) {
             getActionBar().setDisplayHomeAsUpEnabled(true);
         }
 
@@ -105,46 +105,24 @@
                 args = new Bundle();
             }
 
-            String prefKey = intent.getStringExtra(EXTRA_FRAGMENT_ARG_KEY);
-            if (!TextUtils.isEmpty(prefKey)) {
-                args.putString(EXTRA_FRAGMENT_ARG_KEY, prefKey);
+            String highlight = intent.getStringExtra(EXTRA_FRAGMENT_HIGHLIGHT_KEY);
+            if (!TextUtils.isEmpty(highlight)) {
+                args.putString(EXTRA_FRAGMENT_HIGHLIGHT_KEY, highlight);
+            }
+            String root = intent.getStringExtra(EXTRA_FRAGMENT_ROOT_KEY);
+            if (!TextUtils.isEmpty(root)) {
+                args.putString(EXTRA_FRAGMENT_ROOT_KEY, root);
             }
 
             final FragmentManager fm = getSupportFragmentManager();
             final Fragment f = fm.getFragmentFactory().instantiate(getClassLoader(),
-                    getPreferenceFragment());
+                    getString(R.string.settings_fragment_name));
             f.setArguments(args);
             // Display the fragment as the main content.
             fm.beginTransaction().replace(R.id.content_frame, f).commit();
         }
-        LauncherPrefs.getPrefs(getApplicationContext())
-                .registerOnSharedPreferenceChangeListener(this);
     }
 
-    /**
-     * Obtains the preference fragment to instantiate in this activity.
-     *
-     * @return the preference fragment class
-     * @throws IllegalArgumentException if the fragment is unknown to this activity
-     */
-    private String getPreferenceFragment() {
-        String preferenceFragment = getIntent().getStringExtra(EXTRA_FRAGMENT);
-        String defaultFragment = getString(R.string.settings_fragment_name);
-
-        if (TextUtils.isEmpty(preferenceFragment)) {
-            return defaultFragment;
-        } else if (!preferenceFragment.equals(defaultFragment)
-                && !VALID_PREFERENCE_FRAGMENTS.contains(preferenceFragment)) {
-            throw new IllegalArgumentException(
-                    "Invalid fragment for this activity: " + preferenceFragment);
-        } else {
-            return preferenceFragment;
-        }
-    }
-
-    @Override
-    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { }
-
     private boolean startPreference(String fragment, Bundle args, String key) {
         if (Utilities.ATLEAST_P && getSupportFragmentManager().isStateSaved()) {
             // Sometimes onClick can come after onPause because of being posted on the handler.
@@ -158,7 +136,6 @@
             ((DialogFragment) f).show(fm, key);
         } else {
             startActivity(new Intent(this, SettingsActivity.class)
-                    .putExtra(EXTRA_FRAGMENT, fragment)
                     .putExtra(EXTRA_FRAGMENT_ARGS, args));
         }
         return true;
@@ -173,7 +150,7 @@
     @Override
     public boolean onPreferenceStartScreen(PreferenceFragmentCompat caller, PreferenceScreen pref) {
         Bundle args = new Bundle();
-        args.putString(PreferenceFragmentCompat.ARG_PREFERENCE_ROOT, pref.getKey());
+        args.putString(ARG_PREFERENCE_ROOT, pref.getKey());
         return startPreference(getString(R.string.settings_fragment_name), args, pref.getKey());
     }
 
@@ -189,19 +166,31 @@
     /**
      * This fragment shows the launcher preferences.
      */
-    public static class LauncherSettingsFragment extends PreferenceFragmentCompat {
+    public static class LauncherSettingsFragment extends PreferenceFragmentCompat implements
+            SettingsCache.OnChangeListener {
+
+        protected boolean mDeveloperOptionsEnabled = false;
+
+        private boolean mRestartOnResume = false;
 
         private String mHighLightKey;
         private boolean mPreferenceHighlighted = false;
-        private Preference mDeveloperOptionPref;
+
+        @Override
+        public void onCreate(@Nullable Bundle savedInstanceState) {
+            if (BuildConfig.IS_DEBUG_DEVICE) {
+                Uri devUri = Settings.Global.getUriFor(DEVELOPMENT_SETTINGS_ENABLED);
+                SettingsCache settingsCache = SettingsCache.INSTANCE.get(getContext());
+                mDeveloperOptionsEnabled = settingsCache.getValue(devUri);
+                settingsCache.register(devUri, this);
+            }
+            super.onCreate(savedInstanceState);
+        }
 
         @Override
         public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
             final Bundle args = getArguments();
-            mHighLightKey = args == null ? null : args.getString(EXTRA_FRAGMENT_ARG_KEY);
-            if (rootKey == null && !TextUtils.isEmpty(mHighLightKey)) {
-                rootKey = getParentKeyForPref(mHighLightKey);
-            }
+            mHighLightKey = args == null ? null : args.getString(EXTRA_FRAGMENT_HIGHLIGHT_KEY);
 
             if (savedInstanceState != null) {
                 mPreferenceHighlighted = savedInstanceState.getBoolean(SAVE_HIGHLIGHTED_KEY);
@@ -213,11 +202,7 @@
             PreferenceScreen screen = getPreferenceScreen();
             for (int i = screen.getPreferenceCount() - 1; i >= 0; i--) {
                 Preference preference = screen.getPreference(i);
-                if (initPreference(preference)) {
-                    if (IS_STUDIO_BUILD && preference == mDeveloperOptionPref) {
-                        preference.setOrder(0);
-                    }
-                } else {
+                if (!initPreference(preference)) {
                     screen.removePreference(preference);
                 }
             }
@@ -249,6 +234,7 @@
                         bottomPadding + insets.getSystemWindowInsetBottom());
                 return insets.consumeSystemWindowInsets();
             });
+
             // Overriding Text Direction in the Androidx preference library to support RTL
             view.setTextDirection(View.TEXT_DIRECTION_LOCALE);
         }
@@ -259,10 +245,6 @@
             outState.putBoolean(SAVE_HIGHLIGHTED_KEY, mPreferenceHighlighted);
         }
 
-        protected String getParentKeyForPref(String key) {
-            return null;
-        }
-
         /**
          * Initializes a preference. This is called for every preference. Returning false here
          * will remove that preference from the list.
@@ -283,42 +265,26 @@
                     preference.setDefaultValue(RotationHelper.getAllowRotationDefaultValue(info));
                     return true;
 
-                case FLAGS_PREFERENCE_KEY:
-                    // Only show flag toggler UI if this build variant implements that.
-                    return FeatureFlags.showFlagTogglerUi(getContext());
-
                 case DEVELOPER_OPTIONS_KEY:
-                    mDeveloperOptionPref = preference;
-                    return updateDeveloperOption();
+                    if (IS_STUDIO_BUILD) {
+                        preference.setOrder(0);
+                    }
+                    return mDeveloperOptionsEnabled;
+                case "pref_developer_flags":
+                    if (mDeveloperOptionsEnabled && preference instanceof PreferenceCategory pc) {
+                        Executors.MAIN_EXECUTOR.post(() -> new DeveloperOptionsUI(this, pc));
+                        return true;
+                    }
+                    return false;
             }
 
             return true;
         }
 
-        /**
-         * Show if plugins are enabled or flag UI is enabled.
-         * @return True if we should show the preference option.
-         */
-        private boolean updateDeveloperOption() {
-            boolean showPreference = FeatureFlags.showFlagTogglerUi(getContext())
-                    || PluginManagerWrapper.hasPlugins(getContext());
-            if (mDeveloperOptionPref != null) {
-                mDeveloperOptionPref.setEnabled(showPreference);
-                if (showPreference) {
-                    getPreferenceScreen().addPreference(mDeveloperOptionPref);
-                } else {
-                    getPreferenceScreen().removePreference(mDeveloperOptionPref);
-                }
-            }
-            return showPreference;
-        }
-
         @Override
         public void onResume() {
             super.onResume();
 
-            updateDeveloperOption();
-
             if (isAdded() && !mPreferenceHighlighted) {
                 PreferenceHighlighter highlighter = createHighlighter();
                 if (highlighter != null) {
@@ -328,6 +294,43 @@
                     requestAccessibilityFocus(getListView());
                 }
             }
+
+            if (mRestartOnResume) {
+                recreateActivityNow();
+            }
+        }
+
+        @Override
+        public void onSettingsChanged(boolean isEnabled) {
+            // Developer options changed, try recreate
+            tryRecreateActivity();
+        }
+
+        @Override
+        public void onDestroy() {
+            super.onDestroy();
+            if (IS_DEBUG_DEVICE) {
+                SettingsCache.INSTANCE.get(getContext())
+                        .unregister(Settings.Global.getUriFor(DEVELOPMENT_SETTINGS_ENABLED), this);
+            }
+        }
+
+        /**
+         * Tries to recreate the preference
+         */
+        protected void tryRecreateActivity() {
+            if (isResumed()) {
+                recreateActivityNow();
+            } else {
+                mRestartOnResume = true;
+            }
+        }
+
+        private void recreateActivityNow() {
+            Activity activity = getActivity();
+            if (activity != null) {
+                activity.recreate();
+            }
         }
 
         private PreferenceHighlighter createHighlighter() {
diff --git a/src/com/android/launcher3/util/SettingsCache.java b/src/com/android/launcher3/util/SettingsCache.java
index 06cb00e..29ec5ab 100644
--- a/src/com/android/launcher3/util/SettingsCache.java
+++ b/src/com/android/launcher3/util/SettingsCache.java
@@ -25,8 +25,6 @@
 import android.os.Handler;
 import android.provider.Settings;
 
-import androidx.annotation.VisibleForTesting;
-
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -61,6 +59,7 @@
             Settings.System.getUriFor(ACCELEROMETER_ROTATION);
 
     private static final String SYSTEM_URI_PREFIX = Settings.System.CONTENT_URI.toString();
+    private static final String GLOBAL_URI_PREFIX = Settings.Global.CONTENT_URI.toString();
 
     /**
      * Caches the last seen value for registered keys.
@@ -139,6 +138,8 @@
         boolean newVal;
         if (keyUri.toString().startsWith(SYSTEM_URI_PREFIX)) {
             newVal = Settings.System.getInt(mResolver, key, defaultValue) == 1;
+        } else if (keyUri.toString().startsWith(GLOBAL_URI_PREFIX)) {
+            newVal = Settings.Global.getInt(mResolver, key, defaultValue) == 1;
         } else { // SETTING_SECURE
             newVal = Settings.Secure.getInt(mResolver, key, defaultValue) == 1;
         }
@@ -154,23 +155,9 @@
      */
     public void unregister(Uri uri, OnChangeListener listener) {
         List<OnChangeListener> listenersToRemoveFrom = mListenerMap.get(uri);
-        if (listenersToRemoveFrom == null) {
-            return;
+        if (listenersToRemoveFrom != null) {
+            listenersToRemoveFrom.remove(listener);
         }
-
-        listenersToRemoveFrom.remove(listener);
-        if (listenersToRemoveFrom.isEmpty()) {
-            mListenerMap.remove(uri);
-        }
-    }
-
-    /**
-     * Don't use this. Ever.
-     * @param keyCache Cache to replace {@link #mKeyCache}
-     */
-    @VisibleForTesting
-    void setKeyCache(Map<Uri, Boolean> keyCache) {
-        mKeyCache = keyCache;
     }
 
     public interface OnChangeListener {
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/flags/DeveloperOptionsFragment.java b/src_ui_overrides/com/android/launcher3/uioverrides/flags/DeveloperOptionsUI.java
similarity index 75%
rename from src_ui_overrides/com/android/launcher3/uioverrides/flags/DeveloperOptionsFragment.java
rename to src_ui_overrides/com/android/launcher3/uioverrides/flags/DeveloperOptionsUI.java
index 68843f2..6afa446 100644
--- a/src_ui_overrides/com/android/launcher3/uioverrides/flags/DeveloperOptionsFragment.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/flags/DeveloperOptionsUI.java
@@ -15,8 +15,13 @@
  */
 package com.android.launcher3.uioverrides.flags;
 
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceFragmentCompat;
+
 /**
  * Place holder class for developer options.
  */
-public class DeveloperOptionsFragment {
+public class DeveloperOptionsUI {
+
+    public DeveloperOptionsUI(PreferenceFragmentCompat fragment, PreferenceCategory flags) { }
 }
diff --git a/tests/src/com/android/launcher3/settings/SettingsActivityTest.java b/tests/src/com/android/launcher3/settings/SettingsActivityTest.java
index 837973f..10e0be8 100644
--- a/tests/src/com/android/launcher3/settings/SettingsActivityTest.java
+++ b/tests/src/com/android/launcher3/settings/SettingsActivityTest.java
@@ -31,8 +31,9 @@
 import static androidx.test.espresso.matcher.ViewMatchers.withId;
 import static androidx.test.espresso.matcher.ViewMatchers.withText;
 
-import static com.android.launcher3.settings.SettingsActivity.EXTRA_FRAGMENT;
+import static com.android.launcher3.settings.SettingsActivity.DEVELOPER_OPTIONS_KEY;
 import static com.android.launcher3.settings.SettingsActivity.EXTRA_FRAGMENT_ARGS;
+import static com.android.launcher3.settings.SettingsActivity.EXTRA_FRAGMENT_ROOT_KEY;
 
 import static com.google.common.truth.Truth.assertThat;
 
@@ -43,18 +44,15 @@
 import android.content.Intent;
 import android.os.Bundle;
 
-import androidx.preference.PreferenceFragmentCompat;
 import androidx.test.core.app.ActivityScenario;
 import androidx.test.core.app.ApplicationProvider;
 import androidx.test.espresso.intent.Intents;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 
 import com.android.launcher3.R;
-import com.android.launcher3.uioverrides.flags.DeveloperOptionsFragment;
 import com.android.systemui.shared.plugins.PluginPrefs;
 
 import org.junit.After;
-import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Ignore;
 import org.junit.Test;
@@ -100,7 +98,7 @@
 
         intended(allOf(
                 hasComponent(SettingsActivity.class.getName()),
-                hasExtra(EXTRA_FRAGMENT, DeveloperOptionsFragment.class.getName())));
+                hasExtra(EXTRA_FRAGMENT_ROOT_KEY, DEVELOPER_OPTIONS_KEY)));
     }
 
     @Test
@@ -122,7 +120,7 @@
     @Ignore  // b/199309785
     public void testSettings_developerOptionsFragmentIntent() {
         Intent intent = new Intent(mApplicationContext, SettingsActivity.class)
-                .putExtra(EXTRA_FRAGMENT, DeveloperOptionsFragment.class.getName());
+                .putExtra(EXTRA_FRAGMENT_ROOT_KEY, DEVELOPER_OPTIONS_KEY);
         ActivityScenario.launch(intent);
 
         onView(withText("Developer Options")).check(matches(isDisplayed()));
@@ -132,21 +130,6 @@
 
     @Test
     @Ignore  // b/199309785
-    public void testSettings_intentWithUnknownFragment() {
-        String fragmentClass = PreferenceFragmentCompat.class.getName();
-        Intent intent = new Intent(mApplicationContext, SettingsActivity.class)
-                .putExtra(EXTRA_FRAGMENT, fragmentClass);
-
-        try {
-            ActivityScenario.launch(intent);
-            Assert.fail("Should have thrown an IllegalArgumentException.");
-        } catch (IllegalArgumentException e) {
-            assertThat(e.getMessage()).contains(fragmentClass);
-        }
-    }
-
-    @Test
-    @Ignore  // b/199309785
     public void testSettings_backButtonFinishesActivity() {
         Bundle fragmentArgs = new Bundle();
         fragmentArgs.putString(ARG_PREFERENCE_ROOT, "about_screen");