diff --git a/res/xml/wifi_configure_settings.xml b/res/xml/wifi_configure_settings.xml
index 14990a5..ac992d7 100644
--- a/res/xml/wifi_configure_settings.xml
+++ b/res/xml/wifi_configure_settings.xml
@@ -31,10 +31,11 @@
         android:title="@string/use_open_wifi_automatically_title"
         android:summary="@string/use_open_wifi_automatically_summary" />
 
-    <Preference
+    <SwitchPreference
             android:key="notify_open_networks"
             android:title="@string/wifi_notify_open_networks"
-            android:icon="@drawable/ic_open_wifi_notifications"/>
+            android:icon="@drawable/ic_open_wifi_notifications"
+            android:summary="@string/wifi_notify_open_networks_summary" />
 
     <SwitchPreference
         android:key="wifi_cellular_data_fallback"
diff --git a/src/com/android/settings/utils/NotificationChannelHelper.java b/src/com/android/settings/utils/NotificationChannelHelper.java
deleted file mode 100644
index bf008dc..0000000
--- a/src/com/android/settings/utils/NotificationChannelHelper.java
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright (C) 2017 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.utils;
-
-import android.app.INotificationManager;
-import android.app.NotificationChannel;
-import android.os.RemoteException;
-
-/**
- * Wrappers around methods in {@link INotificationManager} and {@link NotificationChannel} to
- * facilitate unit testing.
- *
- * TODO: delete this class once robolectric supports Android O
- */
-public class NotificationChannelHelper {
-    private INotificationManager mNotificationManager;
-
-    public NotificationChannelHelper(
-            INotificationManager notificationManager) {
-        mNotificationManager = notificationManager;
-    }
-
-    /**
-     * Returns the notification channel settings for a app given its package name, user id, and
-     * channel id.
-     */
-    public NotificationChannelWrapper getNotificationChannelForPackage(String pkg, int uid,
-            String channelId, boolean includeDeleted) throws RemoteException {
-        NotificationChannel channel = mNotificationManager.getNotificationChannelForPackage(
-                pkg, uid, channelId, includeDeleted);
-        return channel == null ? null : new NotificationChannelWrapper(channel);
-    }
-
-    /**
-     * Wrapper around {@link NotificationChannel} to facilitate unit testing.
-     *
-     * TODO: delete this class once robolectric supports Android O
-     */
-    public class NotificationChannelWrapper {
-        private NotificationChannel mChannel;
-
-        public NotificationChannelWrapper(NotificationChannel channel) {
-            mChannel = channel;
-        }
-
-        public int getImportance() {
-            return mChannel.getImportance();
-        }
-    }
-}
diff --git a/src/com/android/settings/wifi/ConfigureWifiSettings.java b/src/com/android/settings/wifi/ConfigureWifiSettings.java
index 24d62ad..af80fd4 100644
--- a/src/com/android/settings/wifi/ConfigureWifiSettings.java
+++ b/src/com/android/settings/wifi/ConfigureWifiSettings.java
@@ -15,13 +15,15 @@
  */
 package com.android.settings.wifi;
 
-import android.app.INotificationManager;
+import static android.content.Context.NETWORK_SCORE_SERVICE;
+import static android.content.Context.WIFI_SERVICE;
+
 import android.content.Context;
 import android.content.Intent;
 import android.net.NetworkScoreManager;
 import android.net.wifi.WifiManager;
-import android.os.ServiceManager;
 import android.provider.SearchIndexableResource;
+
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
@@ -32,7 +34,6 @@
 import com.android.settings.network.WifiCallingPreferenceController;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
-import com.android.settings.utils.NotificationChannelHelper;
 import com.android.settings.wifi.p2p.WifiP2pPreferenceController;
 
 import java.util.ArrayList;
@@ -72,18 +73,14 @@
     protected List<PreferenceController> getPreferenceControllers(Context context) {
         final NetworkScoreManagerWrapper networkScoreManagerWrapper =
                 new NetworkScoreManagerWrapper(context.getSystemService(NetworkScoreManager.class));
-        final NotificationChannelHelper notificationChannelHelper =
-                new NotificationChannelHelper(INotificationManager.Stub.asInterface(
-                        ServiceManager.getService(Context.NOTIFICATION_SERVICE)));
-        final WifiManager wifiManager = context.getSystemService(WifiManager.class);
         mUseOpenWifiPreferenceController = new UseOpenWifiPreferenceController(context, this,
                 networkScoreManagerWrapper, getLifecycle());
+        final WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
         final List<PreferenceController> controllers = new ArrayList<>();
         controllers.add(new WifiWakeupPreferenceController(context, getLifecycle()));
         controllers.add(new NetworkScorerPickerPreferenceController(context,
                 networkScoreManagerWrapper));
-        controllers.add(new NotifyOpenNetworksPreferenceController(context,
-                networkScoreManagerWrapper, notificationChannelHelper, getPackageManager()));
+        controllers.add(new NotifyOpenNetworksPreferenceController(context, getLifecycle()));
         controllers.add(mUseOpenWifiPreferenceController);
         controllers.add(new WifiSleepPolicyPreferenceController(context));
         controllers.add(new WifiInfoPreferenceController(context, getLifecycle(), wifiManager));
diff --git a/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java b/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java
index a85a266..6e88d79 100644
--- a/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java
+++ b/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java
@@ -16,46 +16,75 @@
 
 package com.android.settings.wifi;
 
-import android.app.NotificationChannel;
-import android.app.NotificationManager;
+import android.content.ContentResolver;
 import android.content.Context;
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.net.NetworkScorerAppData;
-import android.os.RemoteException;
+import android.database.ContentObserver;
+import android.net.Uri;
+import android.os.Handler;
 import android.provider.Settings;
-import android.support.annotation.Nullable;
+import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
 import android.text.TextUtils;
-import android.util.Log;
-import com.android.settings.R;
+
 import com.android.settings.core.PreferenceController;
-import com.android.settings.network.NetworkScoreManagerWrapper;
-import com.android.settings.utils.NotificationChannelHelper;
-import com.android.settings.utils.NotificationChannelHelper.NotificationChannelWrapper;
+import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settings.core.lifecycle.LifecycleObserver;
+import com.android.settings.core.lifecycle.events.OnPause;
+import com.android.settings.core.lifecycle.events.OnResume;
 
 /**
- * {@link PreferenceController} that shows whether we should notify user when open network is
- * available. The preference links to {@link NotificationChannel} settings.
+ * {@link PreferenceController} that controls whether we should notify user when open network is
+ * available.
  */
-public class NotifyOpenNetworksPreferenceController extends PreferenceController {
+public class NotifyOpenNetworksPreferenceController extends PreferenceController implements
+        LifecycleObserver, OnResume, OnPause {
 
-    private static final String TAG = "OpenNetworks";
     private static final String KEY_NOTIFY_OPEN_NETWORKS = "notify_open_networks";
+    private SettingObserver mSettingObserver;
 
-    private NetworkScoreManagerWrapper mNetworkScoreManager;
-    private NotificationChannelHelper mNotificationChannelHelper;
-    private PackageManager mPackageManager;
-
-    public NotifyOpenNetworksPreferenceController(
-            Context context,
-            NetworkScoreManagerWrapper networkScoreManager,
-            NotificationChannelHelper notificationChannelHelper,
-            PackageManager packageManager) {
+    public NotifyOpenNetworksPreferenceController(Context context, Lifecycle lifecycle) {
         super(context);
-        mNetworkScoreManager = networkScoreManager;
-        mNotificationChannelHelper = notificationChannelHelper;
-        mPackageManager = packageManager;
+        lifecycle.addObserver(this);
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mSettingObserver = new SettingObserver(screen.findPreference(KEY_NOTIFY_OPEN_NETWORKS));
+    }
+
+    @Override
+    public void onResume() {
+        if (mSettingObserver != null) {
+            mSettingObserver.register(mContext.getContentResolver(), true /* register */);
+        }
+    }
+
+    @Override
+    public void onPause() {
+        if (mSettingObserver != null) {
+            mSettingObserver.register(mContext.getContentResolver(), false /* register */);
+        }
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        if (!TextUtils.equals(preference.getKey(), KEY_NOTIFY_OPEN_NETWORKS)) {
+            return false;
+        }
+        if (!(preference instanceof SwitchPreference)) {
+            return false;
+        }
+        Settings.Global.putInt(mContext.getContentResolver(),
+                Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
+                ((SwitchPreference) preference).isChecked() ? 1 : 0);
+        return true;
     }
 
     @Override
@@ -64,59 +93,40 @@
     }
 
     @Override
-    public boolean isAvailable() {
-        return getNotificationChannel() != null;
-    }
-
-    @Override
-    public boolean handlePreferenceTreeClick(Preference preference) {
-        if (!TextUtils.equals(preference.getKey(), KEY_NOTIFY_OPEN_NETWORKS)) {
-            return false;
-        }
-        NetworkScorerAppData scorer = mNetworkScoreManager.getActiveScorer();
-        if (scorer == null) {
-            return false;
-        }
-
-        Intent intent = new Intent(Settings.ACTION_CHANNEL_NOTIFICATION_SETTINGS);
-        intent.putExtra(Settings.EXTRA_CHANNEL_ID,
-                scorer.getNetworkAvailableNotificationChannelId());
-        intent.putExtra(Settings.EXTRA_APP_PACKAGE, scorer.getRecommendationServicePackageName());
-        mContext.startActivity(intent);
-        return true;
-    }
-
-    @Override
     public void updateState(Preference preference) {
-        NotificationChannelWrapper channel = getNotificationChannel();
-        if (channel == null) {
-            preference.setSummary(null);
-        } else {
-            preference.setSummary(channel.getImportance() != NotificationManager.IMPORTANCE_NONE ?
-                    R.string.notification_toggle_on : R.string.notification_toggle_off);
+        if (!(preference instanceof SwitchPreference)) {
+            return;
         }
+        final SwitchPreference notifyOpenNetworks = (SwitchPreference) preference;
+        notifyOpenNetworks.setChecked(Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0) == 1);
     }
 
-    @Nullable
-    private NotificationChannelWrapper getNotificationChannel() {
-        NetworkScorerAppData scorer = mNetworkScoreManager.getActiveScorer();
-        if (scorer == null) {
-            return null;
+    class SettingObserver extends ContentObserver {
+        private final Uri NETWORKS_AVAILABLE_URI = Settings.Global.getUriFor(
+                Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
+
+        private final Preference mPreference;
+
+        public SettingObserver(Preference preference) {
+            super(new Handler());
+            mPreference = preference;
         }
-        String packageName = scorer.getRecommendationServicePackageName();
-        String channelId = scorer.getNetworkAvailableNotificationChannelId();
-        if (packageName == null || channelId == null) {
-            return null;
+
+        public void register(ContentResolver cr, boolean register) {
+            if (register) {
+                cr.registerContentObserver(NETWORKS_AVAILABLE_URI, false, this);
+            } else {
+                cr.unregisterContentObserver(this);
+            }
         }
-        try {
-            return mNotificationChannelHelper.getNotificationChannelForPackage(
-                    packageName,
-                    mPackageManager.getPackageUid(packageName, 0 /* flags */),
-                    channelId,
-                    false /* includeDeleted */ );
-        } catch (RemoteException | PackageManager.NameNotFoundException e) {
-            Log.d(TAG, "Failed to get notification channel.", e);
-            return null;
+
+        @Override
+        public void onChange(boolean selfChange, Uri uri) {
+            super.onChange(selfChange, uri);
+            if (NETWORKS_AVAILABLE_URI.equals(uri)) {
+                updateState(mPreference);
+            }
         }
     }
 }
diff --git a/tests/robotests/src/com/android/settings/wifi/NotifyOpenNetworkPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/NotifyOpenNetworkPreferenceControllerTest.java
index 78dbcbd..75b304e 100644
--- a/tests/robotests/src/com/android/settings/wifi/NotifyOpenNetworkPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/NotifyOpenNetworkPreferenceControllerTest.java
@@ -16,29 +16,25 @@
 
 package com.android.settings.wifi;
 
-import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Mockito.anyBoolean;
-import static org.mockito.Mockito.anyInt;
-import static org.mockito.Mockito.anyString;
-import static org.mockito.Mockito.when;
+import static android.provider.Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
 
-import android.app.NotificationManager;
-import android.content.ComponentName;
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+
 import android.content.Context;
-import android.content.pm.PackageManager;
-import android.net.NetworkScorerAppData;
-import android.os.RemoteException;
+import android.provider.Settings;
+import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
-import com.android.settings.R;
+
 import com.android.settings.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
-import com.android.settings.network.NetworkScoreManagerWrapper;
-import com.android.settings.utils.NotificationChannelHelper;
-import com.android.settings.utils.NotificationChannelHelper.NotificationChannelWrapper;
+import com.android.settings.core.lifecycle.Lifecycle;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
@@ -47,123 +43,67 @@
 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
 public class NotifyOpenNetworkPreferenceControllerTest {
 
-    private static final String TEST_SCORER_PACKAGE = "Test Package";
-    private static final String TEST_SCORER_CLASS = "Test Class";
-    private static final String TEST_SCORER_LABEL = "Test Label";
-    private static final String NOTIFICATION_ID = "Notification Id";
-    private static final CharSequence NOTIFICATION_NAME = "Notification Name";
-
     private Context mContext;
     private NotifyOpenNetworksPreferenceController mController;
-    @Mock private NetworkScoreManagerWrapper mNetworkScorer;
-    @Mock private NotificationChannelHelper mNotificationChannelHelper;
-    @Mock private PackageManager mPackageManager;
-    @Mock private NotificationChannelWrapper mChannel;
 
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
         mContext = RuntimeEnvironment.application;
-        mController = new NotifyOpenNetworksPreferenceController(
-                mContext, mNetworkScorer, mNotificationChannelHelper, mPackageManager);
-        ComponentName scorer = new ComponentName(TEST_SCORER_PACKAGE, TEST_SCORER_CLASS);
-
-        NetworkScorerAppData scorerAppData = new NetworkScorerAppData(
-                0, scorer, TEST_SCORER_LABEL, null /* enableUseOpenWifiActivity */,
-                NOTIFICATION_ID);
-        when(mNetworkScorer.getActiveScorer()).thenReturn(scorerAppData);
+        mController = new NotifyOpenNetworksPreferenceController(mContext, mock(Lifecycle.class));
     }
 
     @Test
-    public void testIsAvailable_shouldReturnFalseWhenScorerDoesNotExist()
-            throws RemoteException {
-        when(mNetworkScorer.getActiveScorer()).thenReturn(null);
-
-        assertThat(mController.isAvailable()).isFalse();
-    }
-
-    @Test
-    public void testIsAvailable_shouldReturnFalseWhenNotificationChannelIdDoesNotExist()
-            throws RemoteException {
-        ComponentName scorer = new ComponentName(TEST_SCORER_PACKAGE, TEST_SCORER_CLASS);
-        NetworkScorerAppData scorerAppData = new NetworkScorerAppData(
-                0, scorer, TEST_SCORER_LABEL, null /* enableUseOpenWifiActivity */,
-                null /* networkAvailableNotificationChannelId */);
-        when(mNetworkScorer.getActiveScorer()).thenReturn(scorerAppData);
-
-        assertThat(mController.isAvailable()).isFalse();
-    }
-
-    @Test
-    public void testIsAvailable_shouldReturnFalseWhenNotificationChannelDoesNotExist()
-            throws RemoteException {
-        when(mNotificationChannelHelper.getNotificationChannelForPackage(
-                anyString(), anyInt(), anyString(), anyBoolean())).thenReturn(null);
-
-        assertThat(mController.isAvailable()).isFalse();
-    }
-
-    @Test
-    public void testIsAvailable_shouldReturnTrueWhenNotificationChannelExists()
-            throws RemoteException {
-        when(mNotificationChannelHelper.getNotificationChannelForPackage(
-                anyString(), anyInt(), anyString(), anyBoolean())).thenReturn(mChannel);
-
+    public void testIsAvailable_shouldAlwaysReturnTrue() {
         assertThat(mController.isAvailable()).isTrue();
     }
 
     @Test
     public void handlePreferenceTreeClick_nonMatchingKey_shouldDoNothing() {
-        final Preference pref = new Preference(mContext);
+        final SwitchPreference pref = new SwitchPreference(mContext);
 
         assertThat(mController.handlePreferenceTreeClick(pref)).isFalse();
     }
 
     @Test
-    public void handlePreferenceTreeClick_nullScorer_shouldDoNothing() {
+    public void handlePreferenceTreeClick_nonMatchingType_shouldDoNothing() {
         final Preference pref = new Preference(mContext);
         pref.setKey(mController.getPreferenceKey());
-        when(mNetworkScorer.getActiveScorer()).thenReturn(null);
 
         assertThat(mController.handlePreferenceTreeClick(pref)).isFalse();
     }
 
     @Test
-    public void handlePreferenceTreeClick_matchingKeyAndScorerExists_shouldLaunchActivity()
-            throws RemoteException {
-        final Preference pref = new Preference(mContext);
+    public void handlePreferenceTreeClick_matchingKeyAndType_shouldUpdateSetting() {
+        final SwitchPreference pref = new SwitchPreference(mContext);
+        pref.setChecked(true);
         pref.setKey(mController.getPreferenceKey());
-        when(mNotificationChannelHelper.getNotificationChannelForPackage(
-                anyString(), anyInt(), anyString(), anyBoolean())).thenReturn(mChannel);
 
         assertThat(mController.handlePreferenceTreeClick(pref)).isTrue();
+        assertThat(Settings.Global.getInt(mContext.getContentResolver(),
+                WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0))
+                .isEqualTo(1);
     }
 
     @Test
-    public void updateState_notificationsEnabled_shouldShowEnabledSummary() throws RemoteException {
-        final Preference pref = new Preference(mContext);
-        pref.setKey(mController.getPreferenceKey());
-        when(mNotificationChannelHelper.getNotificationChannelForPackage(
-                anyString(), anyInt(), anyString(), anyBoolean())).thenReturn(mChannel);
-        when(mChannel.getImportance()).thenReturn(NotificationManager.IMPORTANCE_DEFAULT);
-        mController.updateState(pref);
+    public void updateState_preferenceSetCheckedWhenSettingsAreEnabled() {
+        final SwitchPreference preference = mock(SwitchPreference.class);
+        Settings.System.putInt(mContext.getContentResolver(),
+                WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 1);
 
-        assertThat(pref.getSummary()).isEqualTo(
-                mContext.getString(R.string.notification_toggle_on));
+        mController.updateState(preference);
+
+        verify(preference).setChecked(true);
     }
 
     @Test
-    public void updateState_notificationsEnabled_shouldShowDisabledSummary()
-            throws RemoteException {
-        final Preference pref = new Preference(mContext);
-        pref.setKey(mController.getPreferenceKey());
-        when(mNotificationChannelHelper.getNotificationChannelForPackage(
-                anyString(), anyInt(), anyString(), anyBoolean())).thenReturn(mChannel);
-        when(mChannel.getImportance()).thenReturn(NotificationManager.IMPORTANCE_NONE);
-        mController.updateState(pref);
+    public void updateState_preferenceSetCheckedWhenSettingsAreDisabled() {
+        final SwitchPreference preference = mock(SwitchPreference.class);
+        Settings.System.putInt(mContext.getContentResolver(),
+                WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0);
 
-        assertThat(pref.getSummary()).isEqualTo(
-                mContext.getString(R.string.notification_toggle_off));
+        mController.updateState(preference);
+
+        verify(preference).setChecked(false);
     }
-
 }