diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 651c3a7..0d85062 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -76,7 +76,6 @@
     public static class CryptKeeperSettingsActivity extends SettingsActivity { /* empty */ }
     public static class DeviceAdminSettingsActivity extends SettingsActivity { /* empty */ }
     public static class DataUsageSummaryActivity extends SettingsActivity { /* empty */ }
-    public static class DataUsageSummaryLegacyActivity extends SettingsActivity { /* empty */ }
     public static class MobileDataUsageListActivity extends SettingsActivity { /* empty */ }
     public static class ConfigureWifiSettingsActivity extends SettingsActivity { /* empty */ }
     public static class SavedAccessPointsSettingsActivity extends SettingsActivity { /* empty */ }
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index 5d6ea4d..8b9b912 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -664,17 +664,9 @@
                         Settings.PowerUsageSummaryActivity.class.getName()),
                 mBatteryPresent, isAdmin) || somethingChanged;
 
-        final boolean isDataUsageSettingsV2Enabled =
-                FeatureFlagUtils.isEnabled(this, FeatureFlags.DATA_USAGE_SETTINGS_V2);
-        // Enable new data usage page if v2 enabled
         somethingChanged = setTileEnabled(changedList, new ComponentName(packageName,
                         Settings.DataUsageSummaryActivity.class.getName()),
-                Utils.isBandwidthControlEnabled() && isDataUsageSettingsV2Enabled, isAdmin)
-                || somethingChanged;
-        // Enable legacy data usage page if v2 disabled
-        somethingChanged = setTileEnabled(changedList, new ComponentName(packageName,
-                        Settings.DataUsageSummaryLegacyActivity.class.getName()),
-                Utils.isBandwidthControlEnabled() && !isDataUsageSettingsV2Enabled, isAdmin)
+                Utils.isBandwidthControlEnabled(), isAdmin)
                 || somethingChanged;
 
         somethingChanged = setTileEnabled(changedList, new ComponentName(packageName,
diff --git a/src/com/android/settings/core/FeatureFlags.java b/src/com/android/settings/core/FeatureFlags.java
index a1bce23..47da6cf 100644
--- a/src/com/android/settings/core/FeatureFlags.java
+++ b/src/com/android/settings/core/FeatureFlags.java
@@ -23,6 +23,5 @@
     public static final String BATTERY_DISPLAY_APP_LIST = "settings_battery_display_app_list";
     public static final String ZONE_PICKER_V2 = "settings_zone_picker_v2";
     public static final String BLUETOOTH_WHILE_DRIVING = "settings_bluetooth_while_driving";
-    public static final String DATA_USAGE_SETTINGS_V2 = "settings_data_usage_v2";
     public static final String AUDIO_SWITCHER_SETTINGS = "settings_audio_switcher";
 }
diff --git a/src/com/android/settings/core/gateway/SettingsGateway.java b/src/com/android/settings/core/gateway/SettingsGateway.java
index 6cf29597..a050628 100644
--- a/src/com/android/settings/core/gateway/SettingsGateway.java
+++ b/src/com/android/settings/core/gateway/SettingsGateway.java
@@ -59,7 +59,6 @@
 import com.android.settings.connecteddevice.usb.UsbDetailsFragment;
 import com.android.settings.datausage.DataUsageList;
 import com.android.settings.datausage.DataUsageSummary;
-import com.android.settings.datausage.DataUsageSummaryLegacy;
 import com.android.settings.deletionhelper.AutomaticStorageManagerSettings;
 import com.android.settings.development.DevelopmentSettingsDashboardFragment;
 import com.android.settings.deviceinfo.PrivateVolumeForget;
@@ -192,7 +191,6 @@
             SwipeUpGestureSettings.class.getName(),
             CryptKeeperSettings.class.getName(),
             DataUsageSummary.class.getName(),
-            DataUsageSummaryLegacy.class.getName(),
             DreamSettings.class.getName(),
             UserSettings.class.getName(),
             NotificationAccessSettings.class.getName(),
diff --git a/src/com/android/settings/dashboard/conditional/BackgroundDataCondition.java b/src/com/android/settings/dashboard/conditional/BackgroundDataCondition.java
index a7e160f..d5372a2 100644
--- a/src/com/android/settings/dashboard/conditional/BackgroundDataCondition.java
+++ b/src/com/android/settings/dashboard/conditional/BackgroundDataCondition.java
@@ -18,12 +18,10 @@
 import android.content.Intent;
 import android.graphics.drawable.Drawable;
 import android.net.NetworkPolicyManager;
-import android.util.FeatureFlagUtils;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.Settings;
-import com.android.settings.core.FeatureFlags;
 
 public class BackgroundDataCondition extends Condition {
 
@@ -58,11 +56,8 @@
 
     @Override
     public void onPrimaryClick() {
-        final Class activityClass = FeatureFlagUtils.isEnabled(mManager.getContext(),
-                FeatureFlags.DATA_USAGE_SETTINGS_V2)
-                ? Settings.DataUsageSummaryActivity.class
-                : Settings.DataUsageSummaryLegacyActivity.class;
-        mManager.getContext().startActivity(new Intent(mManager.getContext(), activityClass)
+        mManager.getContext().startActivity(new Intent(mManager.getContext(),
+                Settings.DataUsageSummaryActivity.class)
                 .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
     }
 
diff --git a/src/com/android/settings/datausage/BillingCyclePreference.java b/src/com/android/settings/datausage/BillingCyclePreference.java
index 7d454a1..70a123f 100644
--- a/src/com/android/settings/datausage/BillingCyclePreference.java
+++ b/src/com/android/settings/datausage/BillingCyclePreference.java
@@ -14,24 +14,20 @@
 
 package com.android.settings.datausage;
 
-import static android.net.NetworkPolicy.CYCLE_NONE;
-
 import android.content.Context;
 import android.content.Intent;
 import android.net.NetworkTemplate;
 import android.os.Bundle;
 import android.os.RemoteException;
-import androidx.preference.Preference;
 import android.util.AttributeSet;
-import android.util.FeatureFlagUtils;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
-
-import com.android.settings.core.FeatureFlags;
 import com.android.settings.core.SubSettingLauncher;
 import com.android.settings.datausage.CellDataPreference.DataStateListener;
 
+import androidx.preference.Preference;
+
 public class BillingCyclePreference extends Preference implements TemplatePreference {
 
     private NetworkTemplate mTemplate;
@@ -60,14 +56,8 @@
         mTemplate = template;
         mSubId = subId;
         mServices = services;
-        final int cycleDay = services.mPolicyEditor.getPolicyCycleDay(mTemplate);
-        if (FeatureFlagUtils.isEnabled(getContext(), FeatureFlags.DATA_USAGE_SETTINGS_V2)) {
-            setSummary(null);
-        } else if (cycleDay != CYCLE_NONE) {
-            setSummary(getContext().getString(R.string.billing_cycle_fragment_summary, cycleDay));
-        } else {
-            setSummary(null);
-        }
+        setSummary(null);
+
         setIntent(getIntent());
     }
 
diff --git a/src/com/android/settings/datausage/BillingCycleSettings.java b/src/com/android/settings/datausage/BillingCycleSettings.java
index 5cdf22a..8360df8 100644
--- a/src/com/android/settings/datausage/BillingCycleSettings.java
+++ b/src/com/android/settings/datausage/BillingCycleSettings.java
@@ -14,7 +14,6 @@
 
 package com.android.settings.datausage;
 
-import static android.net.NetworkPolicy.CYCLE_NONE;
 import static android.net.NetworkPolicy.LIMIT_DISABLED;
 import static android.net.NetworkPolicy.WARNING_DISABLED;
 
@@ -27,10 +26,7 @@
 import android.net.NetworkPolicy;
 import android.net.NetworkTemplate;
 import android.os.Bundle;
-import androidx.preference.SwitchPreference;
-import androidx.preference.Preference;
 import android.text.format.Time;
-import android.util.FeatureFlagUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -41,11 +37,13 @@
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
-import com.android.settings.core.FeatureFlags;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
 import com.android.settingslib.NetworkPolicyEditor;
 import com.android.settingslib.net.DataUsageController;
 
+import androidx.preference.Preference;
+import androidx.preference.SwitchPreference;
+
 public class BillingCycleSettings extends DataUsageBase implements
         Preference.OnPreferenceChangeListener, DataUsageEditController {
 
@@ -63,7 +61,8 @@
     private static final String KEY_BILLING_CYCLE = "billing_cycle";
     private static final String KEY_SET_DATA_WARNING = "set_data_warning";
     private static final String KEY_DATA_WARNING = "data_warning";
-    @VisibleForTesting static final String KEY_SET_DATA_LIMIT = "set_data_limit";
+    @VisibleForTesting
+    static final String KEY_SET_DATA_LIMIT = "set_data_limit";
     private static final String KEY_DATA_LIMIT = "data_limit";
 
     private NetworkTemplate mNetworkTemplate;
@@ -76,11 +75,11 @@
 
     @VisibleForTesting
     void setUpForTest(NetworkPolicyEditor policyEditor,
-                      Preference billingCycle,
-                      Preference dataLimit,
-                      Preference dataWarning,
-                      SwitchPreference enableLimit,
-                      SwitchPreference enableWarning) {
+            Preference billingCycle,
+            Preference dataLimit,
+            Preference dataWarning,
+            SwitchPreference enableLimit,
+            SwitchPreference enableWarning) {
         services.mPolicyEditor = policyEditor;
         mBillingCycle = billingCycle;
         mDataLimit = dataLimit;
@@ -118,14 +117,7 @@
 
     @VisibleForTesting
     void updatePrefs() {
-        final int cycleDay = services.mPolicyEditor.getPolicyCycleDay(mNetworkTemplate);
-        if (FeatureFlagUtils.isEnabled(getContext(), FeatureFlags.DATA_USAGE_SETTINGS_V2)) {
-            mBillingCycle.setSummary(null);
-        } else if (cycleDay != CYCLE_NONE) {
-            mBillingCycle.setSummary(getString(R.string.billing_cycle_fragment_summary, cycleDay));
-        } else {
-            mBillingCycle.setSummary(null);
-        }
+        mBillingCycle.setSummary(null);
         final long warningBytes = services.mPolicyEditor.getPolicyWarningBytes(mNetworkTemplate);
         if (warningBytes != WARNING_DISABLED) {
             mDataWarning.setSummary(DataUsageUtils.formatDataUsage(getContext(), warningBytes));
@@ -402,7 +394,8 @@
      */
     public static class ConfirmLimitFragment extends InstrumentedDialogFragment implements
             DialogInterface.OnClickListener {
-        @VisibleForTesting static final String EXTRA_LIMIT_BYTES = "limitBytes";
+        @VisibleForTesting
+        static final String EXTRA_LIMIT_BYTES = "limitBytes";
         public static final float FLOAT = 1.2f;
 
         public static void show(BillingCycleSettings parent) {
diff --git a/src/com/android/settings/datausage/DataUsageBase.java b/src/com/android/settings/datausage/DataUsageBase.java
index b889a2f..c5df0bb 100644
--- a/src/com/android/settings/datausage/DataUsageBase.java
+++ b/src/com/android/settings/datausage/DataUsageBase.java
@@ -14,25 +14,19 @@
 
 package com.android.settings.datausage;
 
-import static android.net.ConnectivityManager.TYPE_ETHERNET;
-
 import android.content.Context;
-import android.net.ConnectivityManager;
 import android.net.INetworkStatsService;
-import android.net.INetworkStatsSession;
 import android.net.NetworkPolicy;
 import android.net.NetworkPolicyManager;
-import android.net.NetworkTemplate;
-import android.net.TrafficStats;
 import android.os.Bundle;
 import android.os.INetworkManagementService;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.os.SystemProperties;
 import android.os.UserManager;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.util.Log;
+
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settingslib.NetworkPolicyEditor;
 
@@ -99,34 +93,4 @@
             return false;
         }
     }
-
-    /**
-     * Test if device has an ethernet network connection.
-     */
-    public boolean hasEthernet(Context context) {
-        if (DataUsageUtils.TEST_RADIOS) {
-            return SystemProperties.get(DataUsageUtils.TEST_RADIOS_PROP).contains(ETHERNET);
-        }
-
-        final ConnectivityManager conn = ConnectivityManager.from(context);
-        final boolean hasEthernet = conn.isNetworkSupported(TYPE_ETHERNET);
-
-        final long ethernetBytes;
-        try {
-            INetworkStatsSession statsSession = services.mStatsService.openSession();
-            if (statsSession != null) {
-                ethernetBytes = statsSession.getSummaryForNetwork(
-                        NetworkTemplate.buildTemplateEthernet(), Long.MIN_VALUE, Long.MAX_VALUE)
-                        .getTotalBytes();
-                TrafficStats.closeQuietly(statsSession);
-            } else {
-                ethernetBytes = 0;
-            }
-        } catch (RemoteException e) {
-            throw new RuntimeException(e);
-        }
-
-        // only show ethernet when both hardware present and traffic has occurred
-        return hasEthernet && ethernetBytes > 0;
-    }
 }
diff --git a/src/com/android/settings/datausage/DataUsageBaseFragment.java b/src/com/android/settings/datausage/DataUsageBaseFragment.java
index e9c73ff..f6e88cc 100644
--- a/src/com/android/settings/datausage/DataUsageBaseFragment.java
+++ b/src/com/android/settings/datausage/DataUsageBaseFragment.java
@@ -14,27 +14,19 @@
 
 package com.android.settings.datausage;
 
-import static android.net.ConnectivityManager.TYPE_ETHERNET;
-
 import android.content.Context;
-import android.net.ConnectivityManager;
 import android.net.INetworkStatsService;
-import android.net.INetworkStatsSession;
 import android.net.NetworkPolicy;
 import android.net.NetworkPolicyManager;
-import android.net.NetworkTemplate;
-import android.net.TrafficStats;
 import android.os.Bundle;
 import android.os.INetworkManagementService;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.os.SystemProperties;
 import android.os.UserManager;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.util.Log;
 
-import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settingslib.NetworkPolicyEditor;
 
@@ -54,7 +46,7 @@
                 ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE));
         services.mStatsService = INetworkStatsService.Stub.asInterface(
                 ServiceManager.getService(Context.NETWORK_STATS_SERVICE));
-        services.mPolicyManager = (NetworkPolicyManager)context
+        services.mPolicyManager = (NetworkPolicyManager) context
                 .getSystemService(Context.NETWORK_POLICY_SERVICE);
 
         services.mPolicyEditor = new NetworkPolicyEditor(services.mPolicyManager);
@@ -98,35 +90,4 @@
             return false;
         }
     }
-
-    /**
-     * Test if device has an ethernet network connection.
-     * TODO(b/77590489): Remove this method when DataUsageSummaryLegacy is deprecated.
-     */
-    public boolean hasEthernet(Context context) {
-        if (DataUsageUtils.TEST_RADIOS) {
-            return SystemProperties.get(DataUsageUtils.TEST_RADIOS_PROP).contains(ETHERNET);
-        }
-
-        final ConnectivityManager conn = ConnectivityManager.from(context);
-        final boolean hasEthernet = conn.isNetworkSupported(TYPE_ETHERNET);
-
-        final long ethernetBytes;
-        try {
-            INetworkStatsSession statsSession = services.mStatsService.openSession();
-            if (statsSession != null) {
-                ethernetBytes = statsSession.getSummaryForNetwork(
-                        NetworkTemplate.buildTemplateEthernet(), Long.MIN_VALUE, Long.MAX_VALUE)
-                        .getTotalBytes();
-                TrafficStats.closeQuietly(statsSession);
-            } else {
-                ethernetBytes = 0;
-            }
-        } catch (RemoteException e) {
-            throw new RuntimeException(e);
-        }
-
-        // only show ethernet when both hardware present and traffic has occurred
-        return hasEthernet && ethernetBytes > 0;
-    }
 }
diff --git a/src/com/android/settings/datausage/DataUsagePreference.java b/src/com/android/settings/datausage/DataUsagePreference.java
index bb3902c..af8d6d4 100644
--- a/src/com/android/settings/datausage/DataUsagePreference.java
+++ b/src/com/android/settings/datausage/DataUsagePreference.java
@@ -19,17 +19,16 @@
 import android.content.res.TypedArray;
 import android.net.NetworkTemplate;
 import android.os.Bundle;
-import androidx.core.content.res.TypedArrayUtils;
-import androidx.preference.Preference;
 import android.util.AttributeSet;
-import android.util.FeatureFlagUtils;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
-import com.android.settings.core.FeatureFlags;
 import com.android.settings.core.SubSettingLauncher;
 import com.android.settingslib.net.DataUsageController;
 
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
+
 public class DataUsagePreference extends Preference implements TemplatePreference {
 
     private NetworkTemplate mTemplate;
@@ -54,20 +53,13 @@
         mSubId = subId;
         DataUsageController controller = new DataUsageController(getContext());
         DataUsageController.DataUsageInfo usageInfo = controller.getDataUsageInfo(mTemplate);
-        if (FeatureFlagUtils.isEnabled(getContext(), FeatureFlags.DATA_USAGE_SETTINGS_V2)) {
-            if (mTemplate.isMatchRuleMobile()) {
-                setTitle(R.string.app_cellular_data_usage);
-            } else {
-                setTitle(mTitleRes);
-                setSummary(getContext().getString(R.string.data_usage_template,
-                        DataUsageUtils.formatDataUsage(getContext(), usageInfo.usageLevel),
-                                usageInfo.period));
-            }
+        if (mTemplate.isMatchRuleMobile()) {
+            setTitle(R.string.app_cellular_data_usage);
         } else {
             setTitle(mTitleRes);
             setSummary(getContext().getString(R.string.data_usage_template,
                     DataUsageUtils.formatDataUsage(getContext(), usageInfo.usageLevel),
-                            usageInfo.period));
+                    usageInfo.period));
         }
         setIntent(getIntent());
     }
@@ -81,18 +73,10 @@
                 .setArguments(args)
                 .setDestination(DataUsageList.class.getName())
                 .setSourceMetricsCategory(MetricsProto.MetricsEvent.VIEW_UNKNOWN);
-        if (FeatureFlagUtils.isEnabled(getContext(), FeatureFlags.DATA_USAGE_SETTINGS_V2)) {
-            if (mTemplate.isMatchRuleMobile()) {
-                launcher.setTitleRes(R.string.app_cellular_data_usage);
-            } else {
-                launcher.setTitleRes(mTitleRes);
-            }
+        if (mTemplate.isMatchRuleMobile()) {
+            launcher.setTitleRes(R.string.app_cellular_data_usage);
         } else {
-            if (mTitleRes > 0) {
-                launcher.setTitleRes(mTitleRes);
-            } else {
-                launcher.setTitleText(getTitle());
-            }
+            launcher.setTitleRes(mTitleRes);
         }
         return launcher.toIntent();
     }
diff --git a/src/com/android/settings/datausage/DataUsageSummary.java b/src/com/android/settings/datausage/DataUsageSummary.java
index 1b012f1..58a5a8f 100644
--- a/src/com/android/settings/datausage/DataUsageSummary.java
+++ b/src/com/android/settings/datausage/DataUsageSummary.java
@@ -15,15 +15,10 @@
 package com.android.settings.datausage;
 
 import android.app.Activity;
-import android.content.ComponentName;
 import android.content.Context;
-import android.content.Intent;
 import android.net.NetworkTemplate;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import androidx.annotation.VisibleForTesting;
-import androidx.preference.Preference;
-import androidx.preference.PreferenceScreen;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.SubscriptionPlan;
@@ -33,7 +28,6 @@
 import android.text.TextUtils;
 import android.text.format.Formatter;
 import android.text.style.RelativeSizeSpan;
-import android.view.MenuItem;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
@@ -49,6 +43,10 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
 /**
  * Settings preference fragment that displays data usage summary.
  */
@@ -121,20 +119,6 @@
     }
 
     @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-            case R.id.data_usage_menu_cellular_networks: {
-                final Intent intent = new Intent(Intent.ACTION_MAIN);
-                intent.setComponent(new ComponentName("com.android.phone",
-                        "com.android.phone.MobileNetworkSettings"));
-                startActivity(intent);
-                return true;
-            }
-        }
-        return false;
-    }
-
-    @Override
     public boolean onPreferenceTreeClick(Preference preference) {
         if (preference == findPreference(KEY_STATUS_HEADER)) {
             BillingCycleSettings.BytesEditorFragment.show(this, false);
diff --git a/src/com/android/settings/datausage/DataUsageSummaryLegacy.java b/src/com/android/settings/datausage/DataUsageSummaryLegacy.java
deleted file mode 100644
index f54d6ef..0000000
--- a/src/com/android/settings/datausage/DataUsageSummaryLegacy.java
+++ /dev/null
@@ -1,359 +0,0 @@
-/*
- * Copyright (C) 2016 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.datausage;
-
-import android.app.Activity;
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.Intent;
-import android.net.NetworkPolicyManager;
-import android.net.NetworkTemplate;
-import android.os.Bundle;
-import android.os.UserManager;
-import android.telephony.SubscriptionInfo;
-import android.telephony.SubscriptionManager;
-import android.text.BidiFormatter;
-import android.text.Spannable;
-import android.text.SpannableString;
-import android.text.TextUtils;
-import android.text.format.Formatter;
-import android.text.style.RelativeSizeSpan;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-
-import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
-import com.android.settings.R;
-import com.android.settings.SummaryPreference;
-import com.android.settings.Utils;
-import com.android.settings.dashboard.SummaryLoader;
-import com.android.settings.search.Indexable;
-import com.android.settingslib.NetworkPolicyEditor;
-import com.android.settingslib.core.AbstractPreferenceController;
-import com.android.settingslib.net.DataUsageController;
-
-import java.util.List;
-
-import androidx.annotation.VisibleForTesting;
-import androidx.preference.Preference;
-import androidx.preference.PreferenceScreen;
-
-/**
- * Legacy {@link DataUsageSummary} fragment.
- */
-public class DataUsageSummaryLegacy extends DataUsageBaseFragment implements Indexable,
-        DataUsageEditController {
-
-    private static final String TAG = "DataUsageSummaryLegacy";
-
-    static final boolean LOGD = false;
-
-    public static final String KEY_RESTRICT_BACKGROUND = "restrict_background_legacy";
-
-    private static final String KEY_STATUS_HEADER = "status_header";
-    private static final String KEY_LIMIT_SUMMARY = "limit_summary";
-
-    // Mobile data keys
-    public static final String KEY_MOBILE_USAGE_TITLE = "mobile_category";
-    public static final String KEY_MOBILE_DATA_USAGE_TOGGLE = "data_usage_enable";
-    public static final String KEY_MOBILE_DATA_USAGE = "cellular_data_usage";
-    public static final String KEY_MOBILE_BILLING_CYCLE = "billing_preference";
-
-    // Wifi keys
-    public static final String KEY_WIFI_USAGE_TITLE = "wifi_category";
-    public static final String KEY_WIFI_DATA_USAGE = "wifi_data_usage";
-
-    private DataUsageController mDataUsageController;
-    private DataUsageInfoController mDataInfoController;
-    private SummaryPreference mSummaryPreference;
-    private Preference mLimitPreference;
-    private NetworkTemplate mDefaultTemplate;
-    private int mDataUsageTemplate;
-    private NetworkPolicyEditor mPolicyEditor;
-
-    @Override
-    public int getHelpResource() {
-        return R.string.help_url_data_usage;
-    }
-
-    @Override
-    public void onCreate(Bundle icicle) {
-        super.onCreate(icicle);
-
-        final Context context = getContext();
-        NetworkPolicyManager policyManager = NetworkPolicyManager.from(context);
-        mPolicyEditor = new NetworkPolicyEditor(policyManager);
-
-        boolean hasMobileData = DataUsageUtils.hasMobileData(context);
-        mDataUsageController = new DataUsageController(context);
-        mDataInfoController = new DataUsageInfoController();
-
-        int defaultSubId = DataUsageUtils.getDefaultSubscriptionId(context);
-        if (defaultSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
-            hasMobileData = false;
-        }
-        mDefaultTemplate = DataUsageUtils.getDefaultTemplate(context, defaultSubId);
-        mSummaryPreference = (SummaryPreference) findPreference(KEY_STATUS_HEADER);
-
-        if (!hasMobileData || !isAdmin()) {
-            removePreference(KEY_RESTRICT_BACKGROUND);
-        }
-        if (hasMobileData) {
-            mLimitPreference = findPreference(KEY_LIMIT_SUMMARY);
-            List<SubscriptionInfo> subscriptions =
-                    services.mSubscriptionManager.getActiveSubscriptionInfoList();
-            if (subscriptions == null || subscriptions.size() == 0) {
-                addMobileSection(defaultSubId);
-            }
-            for (int i = 0; subscriptions != null && i < subscriptions.size(); i++) {
-                SubscriptionInfo subInfo = subscriptions.get(i);
-                if (subscriptions.size() > 1) {
-                    addMobileSection(subInfo.getSubscriptionId(), subInfo);
-                } else {
-                    addMobileSection(subInfo.getSubscriptionId());
-                }
-            }
-            mSummaryPreference.setSelectable(true);
-        } else {
-            removePreference(KEY_LIMIT_SUMMARY);
-            mSummaryPreference.setSelectable(false);
-        }
-        boolean hasWifiRadio = DataUsageUtils.hasWifiRadio(context);
-        if (hasWifiRadio) {
-            addWifiSection();
-        }
-        if (hasEthernet(context)) {
-            addEthernetSection();
-        }
-        mDataUsageTemplate = hasMobileData ? R.string.cell_data_template
-                : hasWifiRadio ? R.string.wifi_data_template
-                        : R.string.ethernet_data_template;
-
-        setHasOptionsMenu(true);
-    }
-
-    @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        if (UserManager.get(getContext()).isAdminUser()) {
-            inflater.inflate(R.menu.data_usage, menu);
-        }
-        super.onCreateOptionsMenu(menu, inflater);
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-            case R.id.data_usage_menu_cellular_networks: {
-                final Intent intent = new Intent(Intent.ACTION_MAIN);
-                intent.setComponent(new ComponentName("com.android.phone",
-                        "com.android.phone.MobileNetworkSettings"));
-                startActivity(intent);
-                return true;
-            }
-        }
-        return false;
-    }
-
-    @Override
-    public boolean onPreferenceTreeClick(Preference preference) {
-        if (preference == findPreference(KEY_STATUS_HEADER)) {
-            BillingCycleSettings.BytesEditorFragment.show(this, false);
-            return false;
-        }
-        return super.onPreferenceTreeClick(preference);
-    }
-
-    @Override
-    protected int getPreferenceScreenResId() {
-        return R.xml.data_usage_legacy;
-    }
-
-    @Override
-    protected String getLogTag() {
-        return TAG;
-    }
-
-    @Override
-    protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
-        return null;
-    }
-
-    private void addMobileSection(int subId) {
-        addMobileSection(subId, null);
-    }
-
-    private void addMobileSection(int subId, SubscriptionInfo subInfo) {
-        TemplatePreferenceCategory category = (TemplatePreferenceCategory)
-                inflatePreferences(R.xml.data_usage_cellular);
-        category.setTemplate(getNetworkTemplate(subId), subId, services);
-        category.pushTemplates(services);
-        if (subInfo != null && !TextUtils.isEmpty(subInfo.getDisplayName())) {
-            Preference title = category.findPreference(KEY_MOBILE_USAGE_TITLE);
-            title.setTitle(subInfo.getDisplayName());
-        }
-    }
-
-    private void addWifiSection() {
-        TemplatePreferenceCategory category = (TemplatePreferenceCategory)
-                inflatePreferences(R.xml.data_usage_wifi);
-        category.setTemplate(NetworkTemplate.buildTemplateWifiWildcard(), 0, services);
-    }
-
-    private void addEthernetSection() {
-        TemplatePreferenceCategory category = (TemplatePreferenceCategory)
-                inflatePreferences(R.xml.data_usage_ethernet);
-        category.setTemplate(NetworkTemplate.buildTemplateEthernet(), 0, services);
-    }
-
-    private Preference inflatePreferences(int resId) {
-        PreferenceScreen rootPreferences = getPreferenceManager().inflateFromResource(
-                getPrefContext(), resId, null);
-        Preference pref = rootPreferences.getPreference(0);
-        rootPreferences.removeAll();
-
-        PreferenceScreen screen = getPreferenceScreen();
-        pref.setOrder(screen.getPreferenceCount());
-        screen.addPreference(pref);
-
-        return pref;
-    }
-
-    private NetworkTemplate getNetworkTemplate(int subscriptionId) {
-        NetworkTemplate mobileAll = NetworkTemplate.buildTemplateMobileAll(
-                services.mTelephonyManager.getSubscriberId(subscriptionId));
-        return NetworkTemplate.normalize(mobileAll,
-                services.mTelephonyManager.getMergedSubscriberIds());
-    }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        updateState();
-    }
-
-    @VisibleForTesting
-    static CharSequence formatUsage(Context context, String template, long usageLevel) {
-        final float LARGER_SIZE = 1.25f * 1.25f;  // (1/0.8)^2
-        final float SMALLER_SIZE = 1.0f / LARGER_SIZE;  // 0.8^2
-        final int FLAGS = Spannable.SPAN_INCLUSIVE_INCLUSIVE;
-
-        final Formatter.BytesResult usedResult = Formatter.formatBytes(context.getResources(),
-                usageLevel, Formatter.FLAG_CALCULATE_ROUNDED);
-        final SpannableString enlargedValue = new SpannableString(usedResult.value);
-        enlargedValue.setSpan(new RelativeSizeSpan(LARGER_SIZE), 0, enlargedValue.length(), FLAGS);
-
-        final SpannableString amountTemplate = new SpannableString(
-                context.getString(com.android.internal.R.string.fileSizeSuffix)
-                        .replace("%1$s", "^1").replace("%2$s", "^2"));
-        final CharSequence formattedUsage = TextUtils.expandTemplate(amountTemplate,
-                enlargedValue, usedResult.units);
-
-        final SpannableString fullTemplate = new SpannableString(template);
-        fullTemplate.setSpan(new RelativeSizeSpan(SMALLER_SIZE), 0, fullTemplate.length(), FLAGS);
-        return TextUtils.expandTemplate(fullTemplate,
-                BidiFormatter.getInstance().unicodeWrap(formattedUsage.toString()));
-    }
-
-    private void updateState() {
-        DataUsageController.DataUsageInfo info = mDataUsageController.getDataUsageInfo(
-                mDefaultTemplate);
-        Context context = getContext();
-        mDataInfoController.updateDataLimit(info,
-                services.mPolicyEditor.getPolicy(mDefaultTemplate));
-
-        if (mSummaryPreference != null) {
-            mSummaryPreference.setTitle(
-                    formatUsage(context, getString(mDataUsageTemplate), info.usageLevel));
-            final long limit = mDataInfoController.getSummaryLimit(info);
-            mSummaryPreference.setSummary(info.period);
-            if (limit <= 0) {
-                mSummaryPreference.setChartEnabled(false);
-            } else {
-                mSummaryPreference.setChartEnabled(true);
-                mSummaryPreference.setLabels(Formatter.formatFileSize(context, 0),
-                        Formatter.formatFileSize(context, limit));
-                mSummaryPreference.setRatios(info.usageLevel / (float) limit, 0,
-                        (limit - info.usageLevel) / (float) limit);
-            }
-        }
-        if (mLimitPreference != null && (info.warningLevel > 0 || info.limitLevel > 0)) {
-            String warning = Formatter.formatFileSize(context, info.warningLevel);
-            String limit = Formatter.formatFileSize(context, info.limitLevel);
-            mLimitPreference.setSummary(getString(info.limitLevel <= 0 ? R.string.cell_warning_only
-                    : R.string.cell_warning_and_limit, warning, limit));
-        } else if (mLimitPreference != null) {
-            mLimitPreference.setSummary(null);
-        }
-
-        PreferenceScreen screen = getPreferenceScreen();
-        for (int i = 1; i < screen.getPreferenceCount(); i++) {
-            ((TemplatePreferenceCategory) screen.getPreference(i)).pushTemplates(services);
-        }
-    }
-
-    @Override
-    public int getMetricsCategory() {
-        return MetricsEvent.DATA_USAGE_SUMMARY;
-    }
-
-    @Override
-    public NetworkPolicyEditor getNetworkPolicyEditor() {
-        return services.mPolicyEditor;
-    }
-
-    @Override
-    public NetworkTemplate getNetworkTemplate() {
-        return mDefaultTemplate;
-    }
-
-    @Override
-    public void updateDataUsage() {
-        updateState();
-    }
-
-    private static class SummaryProvider
-            implements SummaryLoader.SummaryProvider {
-
-        private final Activity mActivity;
-        private final SummaryLoader mSummaryLoader;
-        private final DataUsageController mDataController;
-
-        public SummaryProvider(Activity activity, SummaryLoader summaryLoader) {
-            mActivity = activity;
-            mSummaryLoader = summaryLoader;
-            mDataController = new DataUsageController(activity);
-        }
-
-        @Override
-        public void setListening(boolean listening) {
-            if (listening) {
-                DataUsageController.DataUsageInfo info = mDataController.getDataUsageInfo();
-                String used;
-                if (info == null) {
-                    used = Formatter.formatFileSize(mActivity, 0);
-                } else if (info.limitLevel <= 0) {
-                    used = Formatter.formatFileSize(mActivity, info.usageLevel);
-                } else {
-                    used = Utils.formatPercentage(info.usageLevel, info.limitLevel);
-                }
-                mSummaryLoader.setSummary(this,
-                        mActivity.getString(R.string.data_usage_summary_format, used));
-            }
-        }
-    }
-
-    public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY
-            = SummaryProvider::new;
-}