Merge "Revert "[Settings] Remove mobile network v1""
diff --git a/res/layout/mobile_network_settings_container.xml b/res/layout/mobile_network_settings_container.xml
new file mode 100644
index 0000000..c88b512
--- /dev/null
+++ b/res/layout/mobile_network_settings_container.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2018 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.
+  -->
+
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <Toolbar
+        android:id="@+id/mobile_action_bar"
+        style="?android:attr/actionBarStyle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:navigationContentDescription="@*android:string/action_bar_up_description"
+        android:theme="?android:attr/actionBarTheme"/>
+
+    <FrameLayout
+        android:id="@+id/main_content"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"/>
+
+    <com.google.android.material.bottomnavigation.BottomNavigationView
+        android:id="@+id/bottom_nav"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_marginEnd="0dp"
+        android:layout_marginStart="0dp"
+        android:background="?android:attr/windowBackground"
+        app:itemIconTint="@color/bottom_navigation_colors"
+        app:itemTextColor="@color/bottom_navigation_colors"
+        app:menu="@menu/home_bottom_navigation"/>
+</LinearLayout>
diff --git a/src/com/android/settings/network/NetworkDashboardFragment.java b/src/com/android/settings/network/NetworkDashboardFragment.java
index 4669e74..8c686a5 100644
--- a/src/com/android/settings/network/NetworkDashboardFragment.java
+++ b/src/com/android/settings/network/NetworkDashboardFragment.java
@@ -27,7 +27,9 @@
 import androidx.fragment.app.Fragment;
 
 import com.android.settings.R;
+import com.android.settings.core.FeatureFlags;
 import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.development.featureflags.FeatureFlagPersistent;
 import com.android.settings.network.MobilePlanPreferenceController.MobilePlanPreferenceHost;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.wifi.WifiMasterSwitchPreferenceController;
@@ -58,14 +60,20 @@
 
     @Override
     protected int getPreferenceScreenResId() {
-        return R.xml.network_and_internet_v2;
+        if (FeatureFlagPersistent.isEnabled(getContext(), FeatureFlags.NETWORK_INTERNET_V2)) {
+            return R.xml.network_and_internet_v2;
+        } else {
+            return R.xml.network_and_internet;
+        }
     }
 
     @Override
     public void onAttach(Context context) {
         super.onAttach(context);
 
-        use(MultiNetworkHeaderController.class).init(getSettingsLifecycle());
+        if (FeatureFlagPersistent.isEnabled(context, FeatureFlags.NETWORK_INTERNET_V2)) {
+            use(MultiNetworkHeaderController.class).init(getSettingsLifecycle());
+        }
         use(AirplaneModePreferenceController.class).setFragment(this);
     }
 
@@ -87,6 +95,10 @@
                 new MobilePlanPreferenceController(context, mobilePlanHost);
         final WifiMasterSwitchPreferenceController wifiPreferenceController =
                 new WifiMasterSwitchPreferenceController(context, metricsFeatureProvider);
+        MobileNetworkPreferenceController mobileNetworkPreferenceController = null;
+        if (!FeatureFlagPersistent.isEnabled(context, FeatureFlags.NETWORK_INTERNET_V2)) {
+            mobileNetworkPreferenceController = new MobileNetworkPreferenceController(context);
+        }
 
         final VpnPreferenceController vpnPreferenceController =
                 new VpnPreferenceController(context);
@@ -96,13 +108,21 @@
         if (lifecycle != null) {
             lifecycle.addObserver(mobilePlanPreferenceController);
             lifecycle.addObserver(wifiPreferenceController);
+            if (mobileNetworkPreferenceController != null) {
+                lifecycle.addObserver(mobileNetworkPreferenceController);
+            }
             lifecycle.addObserver(vpnPreferenceController);
             lifecycle.addObserver(privateDnsPreferenceController);
         }
 
         final List<AbstractPreferenceController> controllers = new ArrayList<>();
 
-        controllers.add(new MobileNetworkSummaryController(context, lifecycle));
+        if (FeatureFlagPersistent.isEnabled(context, FeatureFlags.NETWORK_INTERNET_V2)) {
+            controllers.add(new MobileNetworkSummaryController(context, lifecycle));
+        }
+        if (mobileNetworkPreferenceController != null) {
+            controllers.add(mobileNetworkPreferenceController);
+        }
         controllers.add(new TetherPreferenceController(context, lifecycle));
         controllers.add(vpnPreferenceController);
         controllers.add(new ProxyPreferenceController(context));
@@ -148,7 +168,12 @@
                 public List<SearchIndexableResource> getXmlResourcesToIndex(
                         Context context, boolean enabled) {
                     final SearchIndexableResource sir = new SearchIndexableResource(context);
-                    sir.xmlResId = R.xml.network_and_internet_v2;
+                    if (FeatureFlagPersistent.isEnabled(context,
+                            FeatureFlags.NETWORK_INTERNET_V2)) {
+                        sir.xmlResId = R.xml.network_and_internet_v2;
+                    } else {
+                        sir.xmlResId = R.xml.network_and_internet;
+                    }
                     return Arrays.asList(sir);
                 }
 
diff --git a/src/com/android/settings/network/telephony/MobileNetworkActivity.java b/src/com/android/settings/network/telephony/MobileNetworkActivity.java
index c47b29b..90b73f8 100644
--- a/src/com/android/settings/network/telephony/MobileNetworkActivity.java
+++ b/src/com/android/settings/network/telephony/MobileNetworkActivity.java
@@ -28,6 +28,8 @@
 import android.telephony.SubscriptionManager;
 import android.telephony.ims.ImsRcsManager;
 import android.text.TextUtils;
+import android.view.Menu;
+import android.view.View;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
@@ -38,9 +40,13 @@
 import com.android.internal.telephony.TelephonyIntents;
 import com.android.internal.util.CollectionUtils;
 import com.android.settings.R;
+import com.android.settings.core.FeatureFlags;
 import com.android.settings.core.SettingsBaseActivity;
+import com.android.settings.development.featureflags.FeatureFlagPersistent;
 import com.android.settings.network.SubscriptionUtil;
 
+import com.google.android.material.bottomnavigation.BottomNavigationView;
+
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
@@ -108,7 +114,11 @@
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.mobile_network_settings_container_v2);
+        if (FeatureFlagPersistent.isEnabled(this, FeatureFlags.NETWORK_INTERNET_V2)) {
+            setContentView(R.layout.mobile_network_settings_container_v2);
+        } else {
+            setContentView(R.layout.mobile_network_settings_container);
+        }
         setActionBar(findViewById(R.id.mobile_action_bar));
         mPhoneChangeReceiver = new PhoneChangeReceiver(this, new PhoneChangeReceiver.Client() {
             @Override
@@ -176,6 +186,10 @@
 
         mSubscriptionInfos = mSubscriptionManager.getActiveSubscriptionInfoList(true);
 
+        if (!FeatureFlagPersistent.isEnabled(this, FeatureFlags.NETWORK_INTERNET_V2)) {
+            updateBottomNavigationView();
+        }
+
         if (savedInstanceState == null) {
             switchFragment(new MobileNetworkSettings(), getSubscriptionId());
         }
@@ -230,6 +244,28 @@
     }
 
     @VisibleForTesting
+    void updateBottomNavigationView() {
+        final BottomNavigationView navigation = findViewById(R.id.bottom_nav);
+
+        if (CollectionUtils.size(mSubscriptionInfos) <= 1) {
+            navigation.setVisibility(View.GONE);
+        } else {
+            final Menu menu = navigation.getMenu();
+            menu.clear();
+            for (int i = 0, size = mSubscriptionInfos.size(); i < size; i++) {
+                final SubscriptionInfo subscriptionInfo = mSubscriptionInfos.get(i);
+                menu.add(0, subscriptionInfo.getSubscriptionId(), i,
+                        subscriptionInfo.getDisplayName())
+                        .setIcon(R.drawable.ic_settings_sim);
+            }
+            navigation.setOnNavigationItemSelectedListener(item -> {
+                switchFragment(new MobileNetworkSettings(), item.getItemId());
+                return true;
+            });
+        }
+    }
+
+    @VisibleForTesting
     void switchFragment(Fragment fragment, int subscriptionId) {
         switchFragment(fragment, subscriptionId, false /* forceUpdate */);
     }
diff --git a/src/com/android/settings/network/telephony/MobileNetworkSwitchController.java b/src/com/android/settings/network/telephony/MobileNetworkSwitchController.java
index 94f86f4..02396dd 100644
--- a/src/com/android/settings/network/telephony/MobileNetworkSwitchController.java
+++ b/src/com/android/settings/network/telephony/MobileNetworkSwitchController.java
@@ -22,19 +22,24 @@
 import android.content.Context;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
+import android.util.Log;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.core.FeatureFlags;
+import com.android.settings.development.featureflags.FeatureFlagPersistent;
+import com.android.settings.network.SubscriptionUtil;
+import com.android.settings.network.SubscriptionsChangeListener;
+import com.android.settings.widget.SwitchBar;
+import com.android.settingslib.widget.LayoutPreference;
+
+import java.util.List;
 
 import androidx.lifecycle.Lifecycle;
 import androidx.lifecycle.LifecycleObserver;
 import androidx.lifecycle.OnLifecycleEvent;
 import androidx.preference.PreferenceScreen;
 
-import com.android.settings.R;
-import com.android.settings.core.BasePreferenceController;
-import com.android.settings.network.SubscriptionUtil;
-import com.android.settings.network.SubscriptionsChangeListener;
-import com.android.settings.widget.SwitchBar;
-import com.android.settingslib.widget.LayoutPreference;
-
 /** This controls a switch to allow enabling/disabling a mobile network */
 public class MobileNetworkSwitchController extends BasePreferenceController implements
         SubscriptionsChangeListener.SubscriptionsChangeListenerClient, LifecycleObserver {
@@ -113,8 +118,11 @@
 
     @Override
     public int getAvailabilityStatus() {
-        return AVAILABLE_UNSEARCHABLE;
-
+        if (FeatureFlagPersistent.isEnabled(mContext, FeatureFlags.NETWORK_INTERNET_V2)) {
+            return AVAILABLE_UNSEARCHABLE;
+        } else {
+            return CONDITIONALLY_UNAVAILABLE;
+        }
     }
 
     @Override