diff --git a/src/com/android/settings/ProxySelector.java b/src/com/android/settings/ProxySelector.java
index a685841..57d3c6a 100644
--- a/src/com/android/settings/ProxySelector.java
+++ b/src/com/android/settings/ProxySelector.java
@@ -44,6 +44,8 @@
 import com.android.settings.SettingsPreferenceFragment.SettingsDialogFragment;
 import com.android.settings.core.InstrumentedFragment;
 
+import java.util.Arrays;
+
 public class ProxySelector extends InstrumentedFragment implements DialogCreatable {
     private static final String TAG = "ProxySelector";
 
@@ -229,7 +231,9 @@
                 return false;
             }
         }
-        ProxyInfo p = new ProxyInfo(hostname, port, exclList);
+
+        ProxyInfo p = ProxyInfo.buildDirectProxy(
+                hostname, port, Arrays.asList(exclList.split(",")));
         // FIXME: The best solution would be to make a better UI that would
         // disable editing of the text boxes if the user chooses to use the
         // default settings. i.e. checking a box to always use the default
diff --git a/src/com/android/settings/SettingsDumpService.java b/src/com/android/settings/SettingsDumpService.java
index 2b6c7d8..5e6ee93 100644
--- a/src/com/android/settings/SettingsDumpService.java
+++ b/src/com/android/settings/SettingsDumpService.java
@@ -14,13 +14,15 @@
 
 package com.android.settings;
 
+import static android.content.pm.PackageManager.FEATURE_ETHERNET;
+import static android.content.pm.PackageManager.FEATURE_WIFI;
+
 import android.app.Service;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.net.ConnectivityManager;
 import android.net.NetworkTemplate;
 import android.net.Uri;
 import android.os.IBinder;
@@ -101,10 +103,10 @@
     private JSONObject dumpDataUsage() throws JSONException {
         JSONObject obj = new JSONObject();
         DataUsageController controller = new DataUsageController(this);
-        ConnectivityManager connectivityManager = getSystemService(ConnectivityManager.class);
         SubscriptionManager manager = this.getSystemService(SubscriptionManager.class);
         TelephonyManager telephonyManager = this.getSystemService(TelephonyManager.class);
-        if (connectivityManager.isNetworkSupported(ConnectivityManager.TYPE_MOBILE)) {
+        final PackageManager packageManager = this.getPackageManager();
+        if (telephonyManager.isDataCapable()) {
             JSONArray array = new JSONArray();
             for (SubscriptionInfo info : manager.getAvailableSubscriptionInfoList()) {
                 telephonyManager = telephonyManager
@@ -117,10 +119,11 @@
             }
             obj.put("cell", array);
         }
-        if (connectivityManager.isNetworkSupported(ConnectivityManager.TYPE_WIFI)) {
+        if (packageManager.hasSystemFeature(FEATURE_WIFI)) {
             obj.put("wifi", dumpDataUsage(NetworkTemplate.buildTemplateWifiWildcard(), controller));
         }
-        if (connectivityManager.isNetworkSupported(ConnectivityManager.TYPE_ETHERNET)) {
+
+        if (packageManager.hasSystemFeature(FEATURE_ETHERNET)) {
             obj.put("ethernet", dumpDataUsage(NetworkTemplate.buildTemplateEthernet(), controller));
         }
         return obj;
diff --git a/src/com/android/settings/datausage/AppDataUsageActivity.java b/src/com/android/settings/datausage/AppDataUsageActivity.java
index 82a3a45..48bedce 100644
--- a/src/com/android/settings/datausage/AppDataUsageActivity.java
+++ b/src/com/android/settings/datausage/AppDataUsageActivity.java
@@ -17,7 +17,6 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.provider.Settings;
 import android.util.Log;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/datausage/DataUsageUtils.java b/src/com/android/settings/datausage/DataUsageUtils.java
index da0ca63..7da69cb 100644
--- a/src/com/android/settings/datausage/DataUsageUtils.java
+++ b/src/com/android/settings/datausage/DataUsageUtils.java
@@ -14,13 +14,14 @@
 
 package com.android.settings.datausage;
 
-import static android.net.ConnectivityManager.TYPE_MOBILE;
-import static android.net.ConnectivityManager.TYPE_WIFI;
+import static android.content.pm.PackageManager.FEATURE_ETHERNET;
+import static android.content.pm.PackageManager.FEATURE_WIFI;
 import static android.telephony.TelephonyManager.SIM_STATE_READY;
 
 import android.app.usage.NetworkStats.Bucket;
 import android.app.usage.NetworkStatsManager;
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.net.ConnectivityManager;
 import android.net.NetworkTemplate;
 import android.os.RemoteException;
@@ -69,8 +70,7 @@
             return SystemProperties.get(DataUsageUtils.TEST_RADIOS_PROP).contains(ETHERNET);
         }
 
-        final ConnectivityManager conn = context.getSystemService(ConnectivityManager.class);
-        if (!conn.isNetworkSupported(ConnectivityManager.TYPE_ETHERNET)) {
+        if (!context.getPackageManager().hasSystemFeature(FEATURE_ETHERNET)) {
             return false;
         }
 
@@ -96,10 +96,8 @@
      * TODO: This is the opposite to Utils.isWifiOnly(), it should be refactored into 1 method.
      */
     public static boolean hasMobileData(Context context) {
-        final ConnectivityManager connectivityManager =
-                context.getSystemService(ConnectivityManager.class);
-        return connectivityManager != null && connectivityManager
-                .isNetworkSupported(ConnectivityManager.TYPE_MOBILE);
+        final TelephonyManager tele = context.getSystemService(TelephonyManager.class);
+        return tele.isDataCapable();
     }
 
     /**
@@ -128,12 +126,13 @@
                 Log.d(TAG, "hasReadyMobileRadio: subInfo=" + subInfo);
             }
         }
-        final ConnectivityManager conn = context.getSystemService(ConnectivityManager.class);
-        final boolean retVal = conn.isNetworkSupported(TYPE_MOBILE) && isReady;
+
+        final boolean isDataCapable = tele.isDataCapable();
+        final boolean retVal = isDataCapable && isReady;
         if (LOGD) {
             Log.d(TAG, "hasReadyMobileRadio:"
-                    + " conn.isNetworkSupported(TYPE_MOBILE)="
-                    + conn.isNetworkSupported(TYPE_MOBILE)
+                    + " telephonManager.isDataCapable()="
+                    + isDataCapable
                     + " isReady=" + isReady);
         }
         return retVal;
@@ -147,9 +146,8 @@
             return SystemProperties.get(TEST_RADIOS_PROP).contains("wifi");
         }
 
-        final ConnectivityManager connectivityManager =
-                context.getSystemService(ConnectivityManager.class);
-        return connectivityManager != null && connectivityManager.isNetworkSupported(TYPE_WIFI);
+        final PackageManager packageManager = context.getPackageManager();
+        return packageManager != null && packageManager.hasSystemFeature(FEATURE_WIFI);
     }
 
     /**
diff --git a/src/com/android/settings/datausage/OWNERS b/src/com/android/settings/datausage/OWNERS
index 1ec66b3..d71b165 100644
--- a/src/com/android/settings/datausage/OWNERS
+++ b/src/com/android/settings/datausage/OWNERS
@@ -1,6 +1,7 @@
 # Default reviewers for this and subdirectories.
 andychou@google.com
 bonianchen@google.com
+changbetty@google.com
 goldmanj@google.com
 songferngwang@google.com
 wengsu@google.com
diff --git a/src/com/android/settings/datausage/UnrestrictedDataAccessPreferenceController.java b/src/com/android/settings/datausage/UnrestrictedDataAccessPreferenceController.java
index d8656ca..09b0fa1 100644
--- a/src/com/android/settings/datausage/UnrestrictedDataAccessPreferenceController.java
+++ b/src/com/android/settings/datausage/UnrestrictedDataAccessPreferenceController.java
@@ -42,7 +42,6 @@
 import java.util.Set;
 import java.util.TreeSet;
 
-
 public class UnrestrictedDataAccessPreferenceController extends BasePreferenceController implements
         LifecycleObserver, OnStart, OnStop, OnDestroy, ApplicationsState.Callbacks,
         AppStateBaseBridge.Callback, Preference.OnPreferenceChangeListener {
diff --git a/src/com/android/settings/development/AdbIpAddressPreferenceController.java b/src/com/android/settings/development/AdbIpAddressPreferenceController.java
index dbc329e..45fe51b 100644
--- a/src/com/android/settings/development/AdbIpAddressPreferenceController.java
+++ b/src/com/android/settings/development/AdbIpAddressPreferenceController.java
@@ -126,7 +126,7 @@
      * @return the formatted and newline-separated IP addresses, or null if none.
      */
     private static String getDefaultIpAddresses(ConnectivityManager cm) {
-        LinkProperties prop = cm.getActiveLinkProperties();
+        LinkProperties prop = cm.getLinkProperties(cm.getActiveNetwork());
         return formatIpAddresses(prop);
     }
 
diff --git a/src/com/android/settings/deviceinfo/MigrateEstimateTask.java b/src/com/android/settings/deviceinfo/MigrateEstimateTask.java
index a5790b3..9198ade 100644
--- a/src/com/android/settings/deviceinfo/MigrateEstimateTask.java
+++ b/src/com/android/settings/deviceinfo/MigrateEstimateTask.java
@@ -29,9 +29,9 @@
 import android.os.UserManager;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
-import android.util.Log;
 import android.text.format.DateUtils;
 import android.text.format.Formatter;
+import android.util.Log;
 
 import java.io.IOException;
 import java.util.UUID;
diff --git a/src/com/android/settings/deviceinfo/PercentageBarChart.java b/src/com/android/settings/deviceinfo/PercentageBarChart.java
index cb25b81..9add2b7 100644
--- a/src/com/android/settings/deviceinfo/PercentageBarChart.java
+++ b/src/com/android/settings/deviceinfo/PercentageBarChart.java
@@ -143,7 +143,7 @@
     /**
      * Adds a new slice to the percentage bar chart. Callers are responsible for
      * later calling {@link #invalidate()}.
-     * 
+     *
      * @param percentage the total width that
      * @param color the color to draw the entry
      */
diff --git a/src/com/android/settings/deviceinfo/StorageVolumePreference.java b/src/com/android/settings/deviceinfo/StorageVolumePreference.java
index 6294ab9..bd7ca82 100644
--- a/src/com/android/settings/deviceinfo/StorageVolumePreference.java
+++ b/src/com/android/settings/deviceinfo/StorageVolumePreference.java
@@ -19,7 +19,6 @@
 import android.app.usage.StorageStatsManager;
 import android.content.Context;
 import android.content.res.ColorStateList;
-import android.graphics.Color;
 import android.graphics.drawable.Drawable;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
diff --git a/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionSettings.java b/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionSettings.java
index 2ade3c2..e2d3d8a 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionSettings.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionSettings.java
@@ -17,18 +17,12 @@
 package com.android.settings.deviceinfo.firmwareversion;
 
 import android.app.settings.SettingsEnums;
-import android.content.Context;
-import android.provider.SearchIndexableResource;
 
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settingslib.search.Indexable;
 import com.android.settingslib.search.SearchIndexable;
 
-import java.util.ArrayList;
-import java.util.List;
-
 @SearchIndexable
 public class FirmwareVersionSettings extends DashboardFragment {
 
diff --git a/src/com/android/settings/deviceinfo/hardwareinfo/HardwareInfoFragment.java b/src/com/android/settings/deviceinfo/hardwareinfo/HardwareInfoFragment.java
index adcbb2a..713eaf4 100644
--- a/src/com/android/settings/deviceinfo/hardwareinfo/HardwareInfoFragment.java
+++ b/src/com/android/settings/deviceinfo/hardwareinfo/HardwareInfoFragment.java
@@ -18,18 +18,12 @@
 
 import android.app.settings.SettingsEnums;
 import android.content.Context;
-import android.provider.SearchIndexableResource;
 
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settingslib.search.Indexable;
 import com.android.settingslib.search.SearchIndexable;
 
-import java.util.ArrayList;
-import java.util.List;
-
-
 @SearchIndexable
 public class HardwareInfoFragment extends DashboardFragment {
 
diff --git a/src/com/android/settings/deviceinfo/legal/LegalPreferenceController.java b/src/com/android/settings/deviceinfo/legal/LegalPreferenceController.java
index 0e16474..9465fff 100644
--- a/src/com/android/settings/deviceinfo/legal/LegalPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/legal/LegalPreferenceController.java
@@ -27,7 +27,6 @@
 
 import java.util.List;
 
-
 public abstract class LegalPreferenceController extends BasePreferenceController {
     private final PackageManager mPackageManager;
     private Preference mPreference;
diff --git a/src/com/android/settings/homepage/contextualcards/conditional/CellularDataConditionController.java b/src/com/android/settings/homepage/contextualcards/conditional/CellularDataConditionController.java
index 4c0ddc9..9c936b9 100644
--- a/src/com/android/settings/homepage/contextualcards/conditional/CellularDataConditionController.java
+++ b/src/com/android/settings/homepage/contextualcards/conditional/CellularDataConditionController.java
@@ -19,7 +19,6 @@
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.content.Intent;
-import android.net.ConnectivityManager;
 import android.telephony.PhoneStateListener;
 import android.telephony.PreciseDataConnectionState;
 import android.telephony.SubscriptionManager;
@@ -39,7 +38,6 @@
     private final Context mAppContext;
     private final ConditionManager mConditionManager;
     private final GlobalSettingsChangeListener mDefaultDataSubscriptionIdListener;
-    private final ConnectivityManager mConnectivityManager;
 
     private int mSubId;
     private TelephonyManager mTelephonyManager;
@@ -63,8 +61,6 @@
                 }
             }
         };
-        mConnectivityManager = appContext.getSystemService(
-                ConnectivityManager.class);
     }
 
     @Override
@@ -74,7 +70,7 @@
 
     @Override
     public boolean isDisplayable() {
-        if (!mConnectivityManager.isNetworkSupported(ConnectivityManager.TYPE_MOBILE)
+        if (!mTelephonyManager.isDataCapable()
                 || mTelephonyManager.getSimState() != TelephonyManager.SIM_STATE_READY) {
             return false;
         }
diff --git a/src/com/android/settings/network/AllowedNetworkTypesListener.java b/src/com/android/settings/network/AllowedNetworkTypesListener.java
index a9ed8be..c5a4f0b 100644
--- a/src/com/android/settings/network/AllowedNetworkTypesListener.java
+++ b/src/com/android/settings/network/AllowedNetworkTypesListener.java
@@ -17,7 +17,6 @@
 package com.android.settings.network;
 
 import android.content.Context;
-import android.telephony.PhoneStateListener;
 import android.telephony.TelephonyCallback;
 import android.telephony.TelephonyManager;
 import android.util.Log;
@@ -27,7 +26,6 @@
 import java.util.Map;
 import java.util.concurrent.Executor;
 
-
 /**
  * {@link TelephonyCallback} to listen to Allowed Network Types changed
  */
@@ -50,7 +48,7 @@
     }
 
     /**
-     * Register a PhoneStateListener for Allowed Network Types changed.
+     * Register a TelephonyCallback for Allowed Network Types changed.
      * @param context the Context
      * @param subId the subscription id.
      */
@@ -61,7 +59,7 @@
     }
 
     /**
-     * Unregister a PhoneStateListener for Allowed Network Types changed.
+     * Unregister a TelephonyCallback for Allowed Network Types changed.
      * @param context the Context
      * @param subId the subscription id.
      */
diff --git a/src/com/android/settings/network/MobileNetworkListController.java b/src/com/android/settings/network/MobileNetworkListController.java
index f1980b2..bde2e54 100644
--- a/src/com/android/settings/network/MobileNetworkListController.java
+++ b/src/com/android/settings/network/MobileNetworkListController.java
@@ -26,6 +26,12 @@
 import android.telephony.SubscriptionManager;
 import android.util.ArrayMap;
 
+import androidx.lifecycle.Lifecycle;
+import androidx.lifecycle.LifecycleObserver;
+import androidx.lifecycle.OnLifecycleEvent;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;
 import com.android.settings.network.telephony.MobileNetworkActivity;
@@ -35,12 +41,6 @@
 import java.util.List;
 import java.util.Map;
 
-import androidx.lifecycle.Lifecycle;
-import androidx.lifecycle.LifecycleObserver;
-import androidx.lifecycle.OnLifecycleEvent;
-import androidx.preference.Preference;
-import androidx.preference.PreferenceScreen;
-
 /**
  * This populates the entries on a page which lists all available mobile subscriptions. Each entry
  * has the name of the subscription with some subtext giving additional detail, and clicking on the
diff --git a/src/com/android/settings/network/MobilePlanPreferenceController.java b/src/com/android/settings/network/MobilePlanPreferenceController.java
index b4135b8..d8963ad 100644
--- a/src/com/android/settings/network/MobilePlanPreferenceController.java
+++ b/src/com/android/settings/network/MobilePlanPreferenceController.java
@@ -47,7 +47,6 @@
 
 import java.util.List;
 
-
 public class MobilePlanPreferenceController extends AbstractPreferenceController
         implements PreferenceControllerMixin, LifecycleObserver, OnCreate, OnSaveInstanceState {
 
diff --git a/src/com/android/settings/network/NetworkScorerPickerPreferenceController.java b/src/com/android/settings/network/NetworkScorerPickerPreferenceController.java
index 7239b00..4b452c0 100644
--- a/src/com/android/settings/network/NetworkScorerPickerPreferenceController.java
+++ b/src/com/android/settings/network/NetworkScorerPickerPreferenceController.java
@@ -23,7 +23,6 @@
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
-import com.android.settingslib.core.AbstractPreferenceController;
 
 import java.util.List;
 
diff --git a/src/com/android/settings/network/OWNERS b/src/com/android/settings/network/OWNERS
index 8b16bc9..ee5b494 100644
--- a/src/com/android/settings/network/OWNERS
+++ b/src/com/android/settings/network/OWNERS
@@ -2,6 +2,7 @@
 allenwtsu@google.com
 andychou@google.com
 bonianchen@google.com
+changbetty@google.com
 goldmanj@google.com
 leechou@google.com
 songferngwang@google.com
diff --git a/src/com/android/settings/network/PrivateDnsModeDialogPreference.java b/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
index 4878f31..822aad0 100644
--- a/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
+++ b/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
@@ -15,7 +15,6 @@
  */
 package com.android.settings.network;
 
-import static android.net.ConnectivityManager.PRIVATE_DNS_DEFAULT_MODE_FALLBACK;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OFF;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_PROVIDER_HOSTNAME;
@@ -28,6 +27,7 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.net.ConnectivityManager;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
@@ -84,14 +84,6 @@
     @VisibleForTesting
     static final String HOSTNAME_KEY = Settings.Global.PRIVATE_DNS_SPECIFIER;
 
-    public static String getModeFromSettings(ContentResolver cr) {
-        String mode = Settings.Global.getString(cr, MODE_KEY);
-        if (!PRIVATE_DNS_MAP.containsKey(mode)) {
-            mode = Settings.Global.getString(cr, Settings.Global.PRIVATE_DNS_DEFAULT_MODE);
-        }
-        return PRIVATE_DNS_MAP.containsKey(mode) ? mode : PRIVATE_DNS_DEFAULT_MODE_FALLBACK;
-    }
-
     public static String getHostnameFromSettings(ContentResolver cr) {
         return Settings.Global.getString(cr, HOSTNAME_KEY);
     }
@@ -168,7 +160,7 @@
         final Context context = getContext();
         final ContentResolver contentResolver = context.getContentResolver();
 
-        mMode = getModeFromSettings(context.getContentResolver());
+        mMode = ConnectivityManager.getPrivateDnsMode(context);
 
         mEditText = view.findViewById(R.id.private_dns_mode_provider_hostname);
         mEditText.addTextChangedListener(this);
diff --git a/src/com/android/settings/network/PrivateDnsPreferenceController.java b/src/com/android/settings/network/PrivateDnsPreferenceController.java
index 84cae88..4aa92f4 100644
--- a/src/com/android/settings/network/PrivateDnsPreferenceController.java
+++ b/src/com/android/settings/network/PrivateDnsPreferenceController.java
@@ -118,7 +118,7 @@
     public CharSequence getSummary() {
         final Resources res = mContext.getResources();
         final ContentResolver cr = mContext.getContentResolver();
-        final String mode = PrivateDnsModeDialogPreference.getModeFromSettings(cr);
+        final String mode = ConnectivityManager.getPrivateDnsMode(mContext);
         final LinkProperties lp = mLatestLinkProperties;
         final List<InetAddress> dnses = (lp == null) ? null : lp.getValidatedPrivateDnsServers();
         final boolean dnsesResolved = !ArrayUtils.isEmpty(dnses);
diff --git a/src/com/android/settings/network/VpnPreferenceController.java b/src/com/android/settings/network/VpnPreferenceController.java
index 9295414..e815d49 100644
--- a/src/com/android/settings/network/VpnPreferenceController.java
+++ b/src/com/android/settings/network/VpnPreferenceController.java
@@ -47,7 +47,6 @@
 
 import java.util.List;
 
-
 public class VpnPreferenceController extends AbstractPreferenceController
         implements PreferenceControllerMixin, LifecycleObserver, OnResume, OnPause {
 
diff --git a/src/com/android/settings/network/ims/ImsQueryEnhanced4gLteModeUserSetting.java b/src/com/android/settings/network/ims/ImsQueryEnhanced4gLteModeUserSetting.java
index 34d8430..c6c5ad3 100644
--- a/src/com/android/settings/network/ims/ImsQueryEnhanced4gLteModeUserSetting.java
+++ b/src/com/android/settings/network/ims/ImsQueryEnhanced4gLteModeUserSetting.java
@@ -19,7 +19,6 @@
 import android.telephony.ims.ImsMmTelManager;
 import android.util.Log;
 
-
 /**
  * An {@link ImsQuery} for accessing IMS user setting for enhanced 4G LTE
  */
diff --git a/src/com/android/settings/network/ims/ImsQueryProvisioningStat.java b/src/com/android/settings/network/ims/ImsQueryProvisioningStat.java
index b52d22c..44c4519 100644
--- a/src/com/android/settings/network/ims/ImsQueryProvisioningStat.java
+++ b/src/com/android/settings/network/ims/ImsQueryProvisioningStat.java
@@ -21,7 +21,6 @@
 import android.telephony.ims.stub.ImsRegistrationImplBase;
 import android.util.Log;
 
-
 /**
  * An {@link ImsQuery} for accessing IMS provision stat
  */
diff --git a/src/com/android/settings/network/ims/ImsQueryTtyOnVolteStat.java b/src/com/android/settings/network/ims/ImsQueryTtyOnVolteStat.java
index e2719dd..8a306c5 100644
--- a/src/com/android/settings/network/ims/ImsQueryTtyOnVolteStat.java
+++ b/src/com/android/settings/network/ims/ImsQueryTtyOnVolteStat.java
@@ -19,7 +19,6 @@
 import android.telephony.ims.ImsMmTelManager;
 import android.util.Log;
 
-
 /**
  * An {@link ImsQuery} for accessing IMS tty on VoLte stat
  */
diff --git a/src/com/android/settings/network/ims/ImsQueryVtUserSetting.java b/src/com/android/settings/network/ims/ImsQueryVtUserSetting.java
index 6da4a4c..91cecb1 100644
--- a/src/com/android/settings/network/ims/ImsQueryVtUserSetting.java
+++ b/src/com/android/settings/network/ims/ImsQueryVtUserSetting.java
@@ -19,7 +19,6 @@
 import android.telephony.ims.ImsMmTelManager;
 import android.util.Log;
 
-
 /**
  * An {@link ImsQuery} for accessing IMS VT enabled settings from user
  */
diff --git a/src/com/android/settings/network/ims/ImsQueryWfcUserSetting.java b/src/com/android/settings/network/ims/ImsQueryWfcUserSetting.java
index 3407413..5e4d471 100644
--- a/src/com/android/settings/network/ims/ImsQueryWfcUserSetting.java
+++ b/src/com/android/settings/network/ims/ImsQueryWfcUserSetting.java
@@ -19,7 +19,6 @@
 import android.telephony.ims.ImsMmTelManager;
 import android.util.Log;
 
-
 /**
  * An {@link ImsQuery} for accessing IMS WFC enabled settings from user
  */
diff --git a/src/com/android/settings/network/telephony/ContactDiscoveryDialogFragment.java b/src/com/android/settings/network/telephony/ContactDiscoveryDialogFragment.java
index 26398d7..e43865b 100644
--- a/src/com/android/settings/network/telephony/ContactDiscoveryDialogFragment.java
+++ b/src/com/android/settings/network/telephony/ContactDiscoveryDialogFragment.java
@@ -22,11 +22,9 @@
 import android.content.DialogInterface;
 import android.os.Bundle;
 import android.telephony.ims.ImsManager;
-import android.telephony.ims.ImsRcsManager;
 import android.text.TextUtils;
 
 import androidx.annotation.VisibleForTesting;
-import androidx.fragment.app.FragmentManager;
 
 import com.android.settings.R;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
diff --git a/src/com/android/settings/network/telephony/ContactDiscoveryPreferenceController.java b/src/com/android/settings/network/telephony/ContactDiscoveryPreferenceController.java
index eead41f..6aef43d 100644
--- a/src/com/android/settings/network/telephony/ContactDiscoveryPreferenceController.java
+++ b/src/com/android/settings/network/telephony/ContactDiscoveryPreferenceController.java
@@ -37,7 +37,6 @@
 
 import com.android.settings.network.SubscriptionUtil;
 
-
 /**
  * Controller for the "Contact Discovery" option present in MobileNetworkSettings.
  */
diff --git a/src/com/android/settings/network/telephony/MobileDataDialogFragment.java b/src/com/android/settings/network/telephony/MobileDataDialogFragment.java
index c8a1e98..b5894f6 100644
--- a/src/com/android/settings/network/telephony/MobileDataDialogFragment.java
+++ b/src/com/android/settings/network/telephony/MobileDataDialogFragment.java
@@ -29,7 +29,6 @@
 import com.android.settings.R;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
 
-
 /**
  * Dialog Fragment to show dialog for "mobile data"
  *
diff --git a/src/com/android/settings/network/telephony/NrDisabledInDsdsFooterPreferenceController.java b/src/com/android/settings/network/telephony/NrDisabledInDsdsFooterPreferenceController.java
index 78dfe51..fd5df6f 100644
--- a/src/com/android/settings/network/telephony/NrDisabledInDsdsFooterPreferenceController.java
+++ b/src/com/android/settings/network/telephony/NrDisabledInDsdsFooterPreferenceController.java
@@ -28,7 +28,6 @@
 import com.android.settings.utils.AnnotationSpan;
 import com.android.settingslib.HelpUtils;
 
-
 /**
  * Class to show the footer that can't connect to 5G when device is in DSDS mode.
  */
diff --git a/src/com/android/settings/network/telephony/TelephonyAvailabilityHandler.java b/src/com/android/settings/network/telephony/TelephonyAvailabilityHandler.java
index c1acd91..557f2c4 100644
--- a/src/com/android/settings/network/telephony/TelephonyAvailabilityHandler.java
+++ b/src/com/android/settings/network/telephony/TelephonyAvailabilityHandler.java
@@ -20,8 +20,6 @@
  */
 package com.android.settings.network.telephony;
 
-import android.content.Context;
-
 public interface TelephonyAvailabilityHandler {
 
     /**
diff --git a/src/com/android/settings/network/telephony/gsm/OpenNetworkSelectPagePreferenceController.java b/src/com/android/settings/network/telephony/gsm/OpenNetworkSelectPagePreferenceController.java
index cdeb1e5..4047009 100644
--- a/src/com/android/settings/network/telephony/gsm/OpenNetworkSelectPagePreferenceController.java
+++ b/src/com/android/settings/network/telephony/gsm/OpenNetworkSelectPagePreferenceController.java
@@ -41,7 +41,6 @@
 import com.android.settings.network.telephony.NetworkSelectSettings;
 import com.android.settings.network.telephony.TelephonyBasePreferenceController;
 
-
 /**
  * Preference controller for "Open network select"
  */
diff --git a/src/com/android/settings/sim/CallsSimListDialogFragment.java b/src/com/android/settings/sim/CallsSimListDialogFragment.java
index 6dd262b..58da111 100644
--- a/src/com/android/settings/sim/CallsSimListDialogFragment.java
+++ b/src/com/android/settings/sim/CallsSimListDialogFragment.java
@@ -18,7 +18,6 @@
 
 import android.app.settings.SettingsEnums;
 import android.content.Context;
-import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
 import android.telephony.SubscriptionInfo;
diff --git a/src/com/android/settings/vpn2/ConfigDialog.java b/src/com/android/settings/vpn2/ConfigDialog.java
index 42bc67d..03e3613 100644
--- a/src/com/android/settings/vpn2/ConfigDialog.java
+++ b/src/com/android/settings/vpn2/ConfigDialog.java
@@ -592,7 +592,7 @@
             // 0 is a last resort default, but the interface validates that the proxy port is
             // present and non-zero.
             int port = proxyPort.isEmpty() ? 0 : Integer.parseInt(proxyPort);
-            profile.proxy = new ProxyInfo(proxyHost, port, null);
+            profile.proxy = ProxyInfo.buildDirectProxy(proxyHost, port);
         } else {
             profile.proxy = null;
         }
diff --git a/src/com/android/settings/wifi/AppStateChangeWifiStateBridge.java b/src/com/android/settings/wifi/AppStateChangeWifiStateBridge.java
index 727c61e..876f5e9 100644
--- a/src/com/android/settings/wifi/AppStateChangeWifiStateBridge.java
+++ b/src/com/android/settings/wifi/AppStateChangeWifiStateBridge.java
@@ -27,6 +27,7 @@
 import com.android.settingslib.applications.ApplicationsState.AppFilter;
 
 import java.util.List;
+
 /*
  * Connects info of apps that change wifi state to the ApplicationsState. Wraps around the generic
  * AppStateAppOpsBridge class to tailor to the semantics of CHANGE_WIFI_STATE. Also provides app
diff --git a/src/com/android/settings/wifi/NetworkRequestDialogFragment.java b/src/com/android/settings/wifi/NetworkRequestDialogFragment.java
index f179df0..9e499b6 100644
--- a/src/com/android/settings/wifi/NetworkRequestDialogFragment.java
+++ b/src/com/android/settings/wifi/NetworkRequestDialogFragment.java
@@ -22,7 +22,6 @@
 import android.graphics.drawable.Drawable;
 import android.net.wifi.ScanResult;
 import android.net.wifi.WifiConfiguration;
-import android.net.wifi.WifiManager.NetworkRequestMatchCallback;
 import android.net.wifi.WifiManager.NetworkRequestUserSelectionCallback;
 import android.os.Bundle;
 import android.text.TextUtils;
diff --git a/src/com/android/settings/wifi/OWNERS b/src/com/android/settings/wifi/OWNERS
index d15cd78..7f39cc7 100644
--- a/src/com/android/settings/wifi/OWNERS
+++ b/src/com/android/settings/wifi/OWNERS
@@ -1,6 +1,7 @@
 # Default reviewers for this and subdirectories.
 andychou@google.com
 arcwang@google.com
+changbetty@google.com
 goldmanj@google.com
 songferngwang@google.com
 wengsu@google.com
diff --git a/src/com/android/settings/wifi/WifiAPITest.java b/src/com/android/settings/wifi/WifiAPITest.java
index 87499f5..15465ed 100644
--- a/src/com/android/settings/wifi/WifiAPITest.java
+++ b/src/com/android/settings/wifi/WifiAPITest.java
@@ -32,7 +32,6 @@
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
 
-
 /**
  * Provide an interface for testing out the Wifi API
  */
diff --git a/src/com/android/settings/wifi/WifiConfigController.java b/src/com/android/settings/wifi/WifiConfigController.java
index 6e96ae2..f6fda6d 100644
--- a/src/com/android/settings/wifi/WifiConfigController.java
+++ b/src/com/android/settings/wifi/WifiConfigController.java
@@ -83,6 +83,7 @@
 import java.net.Inet4Address;
 import java.net.InetAddress;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;
@@ -327,9 +328,9 @@
                     // Display IP address.
                     StaticIpConfiguration staticConfig = config.getIpConfiguration()
                             .getStaticIpConfiguration();
-                    if (staticConfig != null && staticConfig.ipAddress != null) {
+                    if (staticConfig != null && staticConfig.getIpAddress() != null) {
                         addRow(group, R.string.wifi_ip_address,
-                                staticConfig.ipAddress.getAddress().getHostAddress());
+                                staticConfig.getIpAddress().getAddress().getHostAddress());
                     }
                 } else {
                     mIpSettingsSpinner.setSelection(DHCP);
@@ -878,7 +879,8 @@
                 result = R.string.proxy_error_invalid_port;
             }
             if (result == 0) {
-                mHttpProxy = new ProxyInfo(host, port, exclusionList);
+                mHttpProxy = ProxyInfo.buildDirectProxy(
+                        host, port, Arrays.asList(exclusionList.split(",")));
             } else {
                 return false;
             }
@@ -892,7 +894,7 @@
             if (uri == null) {
                 return false;
             }
-            mHttpProxy = new ProxyInfo(uri);
+            mHttpProxy = ProxyInfo.buildPacProxy(uri);
         }
         return true;
     }
@@ -915,67 +917,81 @@
         if (inetAddr == null || inetAddr.equals(Inet4Address.ANY)) {
             return R.string.wifi_ip_settings_invalid_ip_address;
         }
-
-        int networkPrefixLength = -1;
+        // Copy all fields into the builder first and set desired value later with builder.
+        final StaticIpConfiguration.Builder staticIPBuilder = new StaticIpConfiguration.Builder()
+                .setDnsServers(staticIpConfiguration.getDnsServers())
+                .setDomains(staticIpConfiguration.getDomains())
+                .setGateway(staticIpConfiguration.getGateway())
+                .setIpAddress(staticIpConfiguration.getIpAddress());
         try {
-            networkPrefixLength = Integer.parseInt(mNetworkPrefixLengthView.getText().toString());
-            if (networkPrefixLength < 0 || networkPrefixLength > 32) {
-                return R.string.wifi_ip_settings_invalid_network_prefix_length;
-            }
-            staticIpConfiguration.ipAddress = new LinkAddress(inetAddr, networkPrefixLength);
-        } catch (NumberFormatException e) {
-            // Set the hint as default after user types in ip address
-            mNetworkPrefixLengthView.setText(mConfigUi.getContext().getString(
-                    R.string.wifi_network_prefix_length_hint));
-        } catch (IllegalArgumentException e) {
-            return R.string.wifi_ip_settings_invalid_ip_address;
-        }
-
-        String gateway = mGatewayView.getText().toString();
-        if (TextUtils.isEmpty(gateway)) {
+            int networkPrefixLength = -1;
             try {
-                //Extract a default gateway from IP address
-                InetAddress netPart = NetUtils.getNetworkPart(inetAddr, networkPrefixLength);
-                byte[] addr = netPart.getAddress();
-                addr[addr.length - 1] = 1;
-                mGatewayView.setText(InetAddress.getByAddress(addr).getHostAddress());
-            } catch (RuntimeException ee) {
-            } catch (java.net.UnknownHostException u) {
+                networkPrefixLength = Integer.parseInt(
+                        mNetworkPrefixLengthView.getText().toString());
+                if (networkPrefixLength < 0 || networkPrefixLength > 32) {
+                    return R.string.wifi_ip_settings_invalid_network_prefix_length;
+                }
+                staticIPBuilder.setIpAddress(new LinkAddress(inetAddr, networkPrefixLength));
+            } catch (NumberFormatException e) {
+                // Set the hint as default after user types in ip address
+                mNetworkPrefixLengthView.setText(mConfigUi.getContext().getString(
+                        R.string.wifi_network_prefix_length_hint));
+            } catch (IllegalArgumentException e) {
+                return R.string.wifi_ip_settings_invalid_ip_address;
             }
-        } else {
-            InetAddress gatewayAddr = getIPv4Address(gateway);
-            if (gatewayAddr == null) {
-                return R.string.wifi_ip_settings_invalid_gateway;
-            }
-            if (gatewayAddr.isMulticastAddress()) {
-                return R.string.wifi_ip_settings_invalid_gateway;
-            }
-            staticIpConfiguration.gateway = gatewayAddr;
-        }
 
-        String dns = mDns1View.getText().toString();
-        InetAddress dnsAddr = null;
-
-        if (TextUtils.isEmpty(dns)) {
-            //If everything else is valid, provide hint as a default option
-            mDns1View.setText(mConfigUi.getContext().getString(R.string.wifi_dns1_hint));
-        } else {
-            dnsAddr = getIPv4Address(dns);
-            if (dnsAddr == null) {
-                return R.string.wifi_ip_settings_invalid_dns;
+            String gateway = mGatewayView.getText().toString();
+            if (TextUtils.isEmpty(gateway)) {
+                try {
+                    //Extract a default gateway from IP address
+                    InetAddress netPart = NetUtils.getNetworkPart(inetAddr, networkPrefixLength);
+                    byte[] addr = netPart.getAddress();
+                    addr[addr.length - 1] = 1;
+                    mGatewayView.setText(InetAddress.getByAddress(addr).getHostAddress());
+                } catch (RuntimeException ee) {
+                } catch (java.net.UnknownHostException u) {
+                }
+            } else {
+                InetAddress gatewayAddr = getIPv4Address(gateway);
+                if (gatewayAddr == null) {
+                    return R.string.wifi_ip_settings_invalid_gateway;
+                }
+                if (gatewayAddr.isMulticastAddress()) {
+                    return R.string.wifi_ip_settings_invalid_gateway;
+                }
+                staticIPBuilder.setGateway(gatewayAddr);
             }
-            staticIpConfiguration.dnsServers.add(dnsAddr);
-        }
 
-        if (mDns2View.length() > 0) {
-            dns = mDns2View.getText().toString();
-            dnsAddr = getIPv4Address(dns);
-            if (dnsAddr == null) {
-                return R.string.wifi_ip_settings_invalid_dns;
+            String dns = mDns1View.getText().toString();
+            InetAddress dnsAddr = null;
+            final ArrayList<InetAddress> dnsServers = new ArrayList<>();
+
+            if (TextUtils.isEmpty(dns)) {
+                //If everything else is valid, provide hint as a default option
+                mDns1View.setText(mConfigUi.getContext().getString(R.string.wifi_dns1_hint));
+            } else {
+                dnsAddr = getIPv4Address(dns);
+                if (dnsAddr == null) {
+                    return R.string.wifi_ip_settings_invalid_dns;
+                }
+                dnsServers.add(dnsAddr);
             }
-            staticIpConfiguration.dnsServers.add(dnsAddr);
+
+            if (mDns2View.length() > 0) {
+                dns = mDns2View.getText().toString();
+                dnsAddr = getIPv4Address(dns);
+                if (dnsAddr == null) {
+                    return R.string.wifi_ip_settings_invalid_dns;
+                }
+                dnsServers.add(dnsAddr);
+            }
+            staticIPBuilder.setDnsServers(dnsServers);
+            return 0;
+        } finally {
+            // Caller of this method may rely on staticIpConfiguration, so build the final result
+            // at the end of the method.
+            staticIpConfiguration = staticIPBuilder.build();
         }
-        return 0;
     }
 
     private void showSecurityFields(boolean refreshEapMethods, boolean refreshCertificates) {
diff --git a/src/com/android/settings/wifi/WifiConfigController2.java b/src/com/android/settings/wifi/WifiConfigController2.java
index 467f32e..06fbc88 100644
--- a/src/com/android/settings/wifi/WifiConfigController2.java
+++ b/src/com/android/settings/wifi/WifiConfigController2.java
@@ -83,6 +83,7 @@
 import java.net.Inet4Address;
 import java.net.InetAddress;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;
@@ -317,9 +318,9 @@
                     // Display IP address.
                     StaticIpConfiguration staticConfig = config.getIpConfiguration()
                             .getStaticIpConfiguration();
-                    if (staticConfig != null && staticConfig.ipAddress != null) {
+                    if (staticConfig != null && staticConfig.getIpAddress() != null) {
                         addRow(group, R.string.wifi_ip_address,
-                                staticConfig.ipAddress.getAddress().getHostAddress());
+                                staticConfig.getIpAddress().getAddress().getHostAddress());
                     }
                 } else {
                     mIpSettingsSpinner.setSelection(DHCP);
@@ -860,7 +861,8 @@
                 result = R.string.proxy_error_invalid_port;
             }
             if (result == 0) {
-                mHttpProxy = new ProxyInfo(host, port, exclusionList);
+                mHttpProxy = ProxyInfo.buildDirectProxy(
+                        host, port, Arrays.asList(exclusionList.split(",")));
             } else {
                 return false;
             }
@@ -874,7 +876,7 @@
             if (uri == null) {
                 return false;
             }
-            mHttpProxy = new ProxyInfo(uri);
+            mHttpProxy = ProxyInfo.buildPacProxy(uri);
         }
         return true;
     }
@@ -898,66 +900,83 @@
             return R.string.wifi_ip_settings_invalid_ip_address;
         }
 
-        int networkPrefixLength = -1;
+        // Copy all fields into the builder first and set desired value later with builder.
+        final StaticIpConfiguration.Builder staticIPBuilder = new StaticIpConfiguration.Builder()
+                .setDnsServers(staticIpConfiguration.getDnsServers())
+                .setDomains(staticIpConfiguration.getDomains())
+                .setGateway(staticIpConfiguration.getGateway())
+                .setIpAddress(staticIpConfiguration.getIpAddress());
         try {
-            networkPrefixLength = Integer.parseInt(mNetworkPrefixLengthView.getText().toString());
-            if (networkPrefixLength < 0 || networkPrefixLength > 32) {
-                return R.string.wifi_ip_settings_invalid_network_prefix_length;
-            }
-            staticIpConfiguration.ipAddress = new LinkAddress(inetAddr, networkPrefixLength);
-        } catch (NumberFormatException e) {
-            // Set the hint as default after user types in ip address
-            mNetworkPrefixLengthView.setText(mConfigUi.getContext().getString(
-                    R.string.wifi_network_prefix_length_hint));
-        } catch (IllegalArgumentException e) {
-            return R.string.wifi_ip_settings_invalid_ip_address;
-        }
-
-        String gateway = mGatewayView.getText().toString();
-        if (TextUtils.isEmpty(gateway)) {
+            int networkPrefixLength = -1;
             try {
-                //Extract a default gateway from IP address
-                InetAddress netPart = NetUtils.getNetworkPart(inetAddr, networkPrefixLength);
-                byte[] addr = netPart.getAddress();
-                addr[addr.length - 1] = 1;
-                mGatewayView.setText(InetAddress.getByAddress(addr).getHostAddress());
-            } catch (RuntimeException ee) {
-            } catch (java.net.UnknownHostException u) {
+                networkPrefixLength =
+                        Integer.parseInt(mNetworkPrefixLengthView.getText().toString());
+                if (networkPrefixLength < 0 || networkPrefixLength > 32) {
+                    return R.string.wifi_ip_settings_invalid_network_prefix_length;
+                }
+                staticIPBuilder.setIpAddress(new LinkAddress(inetAddr, networkPrefixLength));
+            } catch (NumberFormatException e) {
+                // Set the hint as default after user types in ip address
+                mNetworkPrefixLengthView.setText(mConfigUi.getContext().getString(
+                        R.string.wifi_network_prefix_length_hint));
+            } catch (IllegalArgumentException e) {
+                return R.string.wifi_ip_settings_invalid_ip_address;
             }
-        } else {
-            InetAddress gatewayAddr = getIPv4Address(gateway);
-            if (gatewayAddr == null) {
-                return R.string.wifi_ip_settings_invalid_gateway;
-            }
-            if (gatewayAddr.isMulticastAddress()) {
-                return R.string.wifi_ip_settings_invalid_gateway;
-            }
-            staticIpConfiguration.gateway = gatewayAddr;
-        }
 
-        String dns = mDns1View.getText().toString();
-        InetAddress dnsAddr = null;
-
-        if (TextUtils.isEmpty(dns)) {
-            //If everything else is valid, provide hint as a default option
-            mDns1View.setText(mConfigUi.getContext().getString(R.string.wifi_dns1_hint));
-        } else {
-            dnsAddr = getIPv4Address(dns);
-            if (dnsAddr == null) {
-                return R.string.wifi_ip_settings_invalid_dns;
+            String gateway = mGatewayView.getText().toString();
+            if (TextUtils.isEmpty(gateway)) {
+                try {
+                    //Extract a default gateway from IP address
+                    InetAddress netPart = NetUtils.getNetworkPart(inetAddr, networkPrefixLength);
+                    byte[] addr = netPart.getAddress();
+                    addr[addr.length - 1] = 1;
+                    mGatewayView.setText(InetAddress.getByAddress(addr).getHostAddress());
+                } catch (RuntimeException ee) {
+                } catch (java.net.UnknownHostException u) {
+                }
+            } else {
+                InetAddress gatewayAddr = getIPv4Address(gateway);
+                if (gatewayAddr == null) {
+                    return R.string.wifi_ip_settings_invalid_gateway;
+                }
+                if (gatewayAddr.isMulticastAddress()) {
+                    return R.string.wifi_ip_settings_invalid_gateway;
+                }
+                staticIPBuilder.setGateway(gatewayAddr);
             }
-            staticIpConfiguration.dnsServers.add(dnsAddr);
-        }
 
-        if (mDns2View.length() > 0) {
-            dns = mDns2View.getText().toString();
-            dnsAddr = getIPv4Address(dns);
-            if (dnsAddr == null) {
-                return R.string.wifi_ip_settings_invalid_dns;
+            String dns = mDns1View.getText().toString();
+            InetAddress dnsAddr = null;
+            final ArrayList<InetAddress> dnsServers = new ArrayList<>();
+
+            if (TextUtils.isEmpty(dns)) {
+                //If everything else is valid, provide hint as a default option
+                mDns1View.setText(mConfigUi.getContext().getString(R.string.wifi_dns1_hint));
+            } else {
+                dnsAddr = getIPv4Address(dns);
+                if (dnsAddr == null) {
+                    return R.string.wifi_ip_settings_invalid_dns;
+                }
+                dnsServers.add(dnsAddr);
+                staticIpConfiguration.dnsServers.add(dnsAddr);
             }
-            staticIpConfiguration.dnsServers.add(dnsAddr);
+
+            if (mDns2View.length() > 0) {
+                dns = mDns2View.getText().toString();
+                dnsAddr = getIPv4Address(dns);
+                if (dnsAddr == null) {
+                    return R.string.wifi_ip_settings_invalid_dns;
+                }
+                dnsServers.add(dnsAddr);
+                staticIpConfiguration.dnsServers.add(dnsAddr);
+            }
+            staticIPBuilder.setDnsServers(dnsServers);
+            return 0;
+        } finally {
+            // Caller of this method may rely on staticIpConfiguration, so build the final result
+            // at the end of the method.
+            staticIpConfiguration = staticIPBuilder.build();
         }
-        return 0;
     }
 
     private void showSecurityFields(boolean refreshEapMethods, boolean refreshCertificates) {
@@ -1367,18 +1386,18 @@
                 StaticIpConfiguration staticConfig = config.getIpConfiguration()
                         .getStaticIpConfiguration();
                 if (staticConfig != null) {
-                    if (staticConfig.ipAddress != null) {
+                    if (staticConfig.getIpAddress() != null) {
                         mIpAddressView.setText(
-                                staticConfig.ipAddress.getAddress().getHostAddress());
-                        mNetworkPrefixLengthView.setText(Integer.toString(staticConfig.ipAddress
-                                .getPrefixLength()));
+                                staticConfig.getIpAddress().getAddress().getHostAddress());
+                        mNetworkPrefixLengthView.setText(Integer.toString(
+                                staticConfig.getIpAddress().getPrefixLength()));
                     }
 
                     if (staticConfig.gateway != null) {
-                        mGatewayView.setText(staticConfig.gateway.getHostAddress());
+                        mGatewayView.setText(staticConfig.getGateway().getHostAddress());
                     }
 
-                    Iterator<InetAddress> dnsIterator = staticConfig.dnsServers.iterator();
+                    Iterator<InetAddress> dnsIterator = staticConfig.getDnsServers().iterator();
                     if (dnsIterator.hasNext()) {
                         mDns1View.setText(dnsIterator.next().getHostAddress());
                     }
diff --git a/src/com/android/settings/wifi/WifiConfigInfo.java b/src/com/android/settings/wifi/WifiConfigInfo.java
index f042feb..0de3063 100644
--- a/src/com/android/settings/wifi/WifiConfigInfo.java
+++ b/src/com/android/settings/wifi/WifiConfigInfo.java
@@ -26,7 +26,6 @@
 
 import java.util.List;
 
-
 /**
  * Configuration details saved by the user on the WifiSettings screen
  */
diff --git a/src/com/android/settings/wifi/WifiDialogActivity.java b/src/com/android/settings/wifi/WifiDialogActivity.java
index 7782786..c2f8189 100644
--- a/src/com/android/settings/wifi/WifiDialogActivity.java
+++ b/src/com/android/settings/wifi/WifiDialogActivity.java
@@ -22,7 +22,6 @@
 import android.net.NetworkInfo;
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiManager;
-import android.net.wifi.WifiManager.ActionListener;
 import android.os.Bundle;
 import android.util.Log;
 
diff --git a/src/com/android/settings/wifi/WifiInfo.java b/src/com/android/settings/wifi/WifiInfo.java
index a131f18..0d6d63d 100644
--- a/src/com/android/settings/wifi/WifiInfo.java
+++ b/src/com/android/settings/wifi/WifiInfo.java
@@ -22,7 +22,6 @@
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
 
-
 /**
  * Wifi information menu item on the diagnostic screen
  */
diff --git a/src/com/android/settings/wifi/WifiStatusTest.java b/src/com/android/settings/wifi/WifiStatusTest.java
index ca7f5f7..249cd71 100644
--- a/src/com/android/settings/wifi/WifiStatusTest.java
+++ b/src/com/android/settings/wifi/WifiStatusTest.java
@@ -45,7 +45,6 @@
 import java.net.UnknownHostException;
 import java.util.List;
 
-
 /**
  * Show the current status details of Wifi related fields
  */
diff --git a/src/com/android/settings/wifi/calling/ListWithEntrySummaryPreference.java b/src/com/android/settings/wifi/calling/ListWithEntrySummaryPreference.java
index a44fcbe..b91b39d 100644
--- a/src/com/android/settings/wifi/calling/ListWithEntrySummaryPreference.java
+++ b/src/com/android/settings/wifi/calling/ListWithEntrySummaryPreference.java
@@ -30,7 +30,9 @@
 import android.widget.ListAdapter;
 import android.widget.RadioButton;
 import android.widget.TextView;
+
 import androidx.appcompat.app.AlertDialog.Builder;
+
 import com.android.settings.CustomListPreference;
 import com.android.settings.R;
 
diff --git a/src/com/android/settings/wifi/calling/WifiCallingSliceHelper.java b/src/com/android/settings/wifi/calling/WifiCallingSliceHelper.java
index 26d742d..3c1649e 100644
--- a/src/com/android/settings/wifi/calling/WifiCallingSliceHelper.java
+++ b/src/com/android/settings/wifi/calling/WifiCallingSliceHelper.java
@@ -18,9 +18,9 @@
 
 import static android.app.slice.Slice.EXTRA_TOGGLE_STATE;
 
+import static com.android.settings.Utils.SETTINGS_PACKAGE_NAME;
 import static com.android.settings.slices.CustomSliceRegistry.WIFI_CALLING_PREFERENCE_URI;
 import static com.android.settings.slices.CustomSliceRegistry.WIFI_CALLING_URI;
-import static com.android.settings.Utils.SETTINGS_PACKAGE_NAME;
 
 import android.app.PendingIntent;
 import android.content.ComponentName;
@@ -43,7 +43,6 @@
 import androidx.slice.builders.ListBuilder.RowBuilder;
 import androidx.slice.builders.SliceAction;
 
-import com.android.ims.ImsConfig;
 import com.android.settings.R;
 import com.android.settings.Utils;
 import com.android.settings.network.ims.WifiCallingQueryImsState;
@@ -57,7 +56,6 @@
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 
-
 /**
  * Helper class to control slices for wifi calling settings.
  */
diff --git a/src/com/android/settings/wifi/details2/WifiMeteredPreferenceController2.java b/src/com/android/settings/wifi/details2/WifiMeteredPreferenceController2.java
index 2a93005..52645aa 100644
--- a/src/com/android/settings/wifi/details2/WifiMeteredPreferenceController2.java
+++ b/src/com/android/settings/wifi/details2/WifiMeteredPreferenceController2.java
@@ -27,7 +27,6 @@
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.wifi.WifiDialog2;
-import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.wifitrackerlib.WifiEntry;
 
 /**
diff --git a/src/com/android/settings/wifi/details2/WifiPrivacyPreferenceController2.java b/src/com/android/settings/wifi/details2/WifiPrivacyPreferenceController2.java
index d6e1b60..c484922 100644
--- a/src/com/android/settings/wifi/details2/WifiPrivacyPreferenceController2.java
+++ b/src/com/android/settings/wifi/details2/WifiPrivacyPreferenceController2.java
@@ -28,7 +28,6 @@
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.wifi.WifiDialog2;
-import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.wifitrackerlib.WifiEntry;
 
 /**
diff --git a/src/com/android/settings/wifi/slice/ContextualWifiScanWorker.java b/src/com/android/settings/wifi/slice/ContextualWifiScanWorker.java
index 616c92f..1308c0e 100644
--- a/src/com/android/settings/wifi/slice/ContextualWifiScanWorker.java
+++ b/src/com/android/settings/wifi/slice/ContextualWifiScanWorker.java
@@ -20,8 +20,6 @@
 import android.net.Uri;
 import android.os.SystemClock;
 
-import com.android.settings.slices.SliceBackgroundWorker;
-
 /**
  * {@link SliceBackgroundWorker} for Wi-Fi, used by {@link ContextualWifiSlice}.
  */
diff --git a/tests/robotests/src/com/android/settings/datausage/BillingCycleSettingsTest.java b/tests/robotests/src/com/android/settings/datausage/BillingCycleSettingsTest.java
index 3fdb7b4..861b4e3 100644
--- a/tests/robotests/src/com/android/settings/datausage/BillingCycleSettingsTest.java
+++ b/tests/robotests/src/com/android/settings/datausage/BillingCycleSettingsTest.java
@@ -36,8 +36,8 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
 import android.content.res.Resources;
-import android.net.ConnectivityManager;
 import android.net.NetworkPolicyManager;
 import android.os.Bundle;
 
@@ -72,9 +72,9 @@
     @Mock
     private NetworkPolicyEditor mNetworkPolicyEditor;
     @Mock
-    private ConnectivityManager mConnectivityManager;
-    @Mock
     private NetworkPolicyManager mNetworkPolicyManager;
+    @Mock
+    private PackageManager mMockPackageManager;
 
     private Context mContext;
     @Mock
@@ -157,9 +157,8 @@
             .onCreatePreferences(any(Bundle.class), nullable(String.class));
         when(mContext.getSystemService(Context.NETWORK_POLICY_SERVICE))
             .thenReturn(mNetworkPolicyManager);
-        when(mContext.getSystemService(Context.CONNECTIVITY_SERVICE))
-            .thenReturn(mConnectivityManager);
-        when(mConnectivityManager.isNetworkSupported(anyInt())).thenReturn(true);
+        when(mContext.getPackageManager()).thenReturn(mMockPackageManager);
+        when(mMockPackageManager.hasSystemFeature(any())).thenReturn(true);
         final SwitchPreference preference = mock(SwitchPreference.class);
         when(billingCycleSettings.findPreference(anyString())).thenReturn(preference);
 
diff --git a/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceControllerTest.java
index 4a5bc70..6a7f237 100644
--- a/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceControllerTest.java
@@ -16,13 +16,14 @@
 
 package com.android.settings.datausage;
 
-import static android.net.ConnectivityManager.TYPE_WIFI;
+import static android.content.pm.PackageManager.FEATURE_WIFI;
 
 import static com.android.settings.core.BasePreferenceController.AVAILABLE;
 
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
@@ -31,7 +32,7 @@
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
-import android.net.ConnectivityManager;
+import android.content.pm.PackageManager;
 import android.net.NetworkTemplate;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
@@ -104,7 +105,7 @@
     @Mock
     private TelephonyManager mTelephonyManager;
     @Mock
-    private ConnectivityManager mConnectivityManager;
+    private PackageManager mPm;
 
     private DataUsageInfoController mDataInfoController;
 
@@ -138,10 +139,9 @@
         doReturn(mTelephonyManager).when(mActivity).getSystemService(TelephonyManager.class);
         doReturn(mTelephonyManager).when(mTelephonyManager)
                 .createForSubscriptionId(mDefaultSubscriptionId);
-        when(mActivity.getSystemService(Context.CONNECTIVITY_SERVICE))
-                .thenReturn(mConnectivityManager);
+        doReturn(mPm).when(mActivity).getPackageManager();
+        doReturn(false).when(mPm).hasSystemFeature(eq(FEATURE_WIFI));
         doReturn(TelephonyManager.SIM_STATE_READY).when(mTelephonyManager).getSimState();
-        when(mConnectivityManager.isNetworkSupported(TYPE_WIFI)).thenReturn(false);
 
         mController = spy(new DataUsageSummaryPreferenceController(
                 mDataUsageController,
@@ -363,7 +363,7 @@
         final int subscriptionId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
         mController.init(subscriptionId);
         mController.mDataUsageController = mDataUsageController;
-        when(mConnectivityManager.isNetworkSupported(TYPE_WIFI)).thenReturn(true);
+        doReturn(true).when(mPm).hasSystemFeature(eq(FEATURE_WIFI));
         assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
     }
 
diff --git a/tests/robotests/src/com/android/settings/datausage/DataUsageUtilsTest.java b/tests/robotests/src/com/android/settings/datausage/DataUsageUtilsTest.java
index 21f9d1a..a465d74 100644
--- a/tests/robotests/src/com/android/settings/datausage/DataUsageUtilsTest.java
+++ b/tests/robotests/src/com/android/settings/datausage/DataUsageUtilsTest.java
@@ -18,14 +18,15 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
+import static org.robolectric.Shadows.shadowOf;
 
 import android.app.usage.NetworkStatsManager;
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.net.ConnectivityManager;
 import android.telephony.TelephonyManager;
 import android.util.DataUnit;
@@ -38,13 +39,12 @@
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.shadows.ShadowApplication;
+import org.robolectric.shadows.ShadowPackageManager;
 
 @RunWith(RobolectricTestRunner.class)
 public final class DataUsageUtilsTest {
 
     @Mock
-    private ConnectivityManager mManager;
-    @Mock
     private TelephonyManager mTelephonyManager;
     @Mock
     private NetworkStatsManager mNetworkStatsManager;
@@ -56,21 +56,20 @@
         MockitoAnnotations.initMocks(this);
         final ShadowApplication shadowContext = ShadowApplication.getInstance();
         mContext = RuntimeEnvironment.application;
-        shadowContext.setSystemService(Context.CONNECTIVITY_SERVICE, mManager);
         shadowContext.setSystemService(Context.TELEPHONY_SERVICE, mTelephonyManager);
         shadowContext.setSystemService(Context.NETWORK_STATS_SERVICE, mNetworkStatsManager);
     }
 
     @Test
     public void mobileDataStatus_whenNetworkIsSupported() {
-        when(mManager.isNetworkSupported(anyInt())).thenReturn(true);
+        when(mTelephonyManager.isDataCapable()).thenReturn(true);
         final boolean hasMobileData = DataUsageUtils.hasMobileData(mContext);
         assertThat(hasMobileData).isTrue();
     }
 
     @Test
     public void mobileDataStatus_whenNetworkIsNotSupported() {
-        when(mManager.isNetworkSupported(anyInt())).thenReturn(false);
+        when(mTelephonyManager.isDataCapable()).thenReturn(false);
         final boolean hasMobileData = DataUsageUtils.hasMobileData(mContext);
         assertThat(hasMobileData).isFalse();
     }
@@ -85,7 +84,8 @@
 
     @Test
     public void hasEthernet_shouldQueryEthernetSummaryForUser() throws Exception {
-        when(mManager.isNetworkSupported(anyInt())).thenReturn(true);
+        ShadowPackageManager pm = shadowOf(RuntimeEnvironment.application.getPackageManager());
+        pm.setSystemFeature(PackageManager.FEATURE_ETHERNET, true);
         final String subscriber = "TestSub";
         when(mTelephonyManager.getSubscriberId()).thenReturn(subscriber);
 
diff --git a/tests/robotests/src/com/android/settings/datetime/AutoTimeZonePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/datetime/AutoTimeZonePreferenceControllerTest.java
index 8a68f38..eb29b7c 100644
--- a/tests/robotests/src/com/android/settings/datetime/AutoTimeZonePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/datetime/AutoTimeZonePreferenceControllerTest.java
@@ -18,17 +18,16 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
-import static org.robolectric.shadow.api.Shadow.extract;
+import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.net.ConnectivityManager;
 import android.provider.Settings;
+import android.telephony.TelephonyManager;
 
 import androidx.preference.Preference;
 
-import com.android.settings.testutils.shadow.ShadowConnectivityManager;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -36,27 +35,28 @@
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.Config;
 
 @RunWith(RobolectricTestRunner.class)
-@Config(shadows = ShadowConnectivityManager.class)
 public class AutoTimeZonePreferenceControllerTest {
 
     @Mock
     private UpdateTimeAndDateCallback mCallback;
-
+    @Mock
     private Context mContext;
     private AutoTimeZonePreferenceController mController;
     private Preference mPreference;
-    private ShadowConnectivityManager connectivityManager;
+    @Mock
+    private TelephonyManager mTelephonyManager;
 
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
-        mContext = RuntimeEnvironment.application;
+        mContext = spy(RuntimeEnvironment.application);
+
         mPreference = new Preference(mContext);
-        connectivityManager = extract(mContext.getSystemService(ConnectivityManager.class));
-        connectivityManager.setNetworkSupported(ConnectivityManager.TYPE_MOBILE, true);
+
+        when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);
+        when(mTelephonyManager.isDataCapable()).thenReturn(true);
     }
 
     @Test
@@ -77,8 +77,7 @@
 
     @Test
     public void isWifiOnly_notAvailable() {
-        connectivityManager.setNetworkSupported(ConnectivityManager.TYPE_MOBILE, false);
-
+        when(mTelephonyManager.isDataCapable()).thenReturn(false);
         mController = new AutoTimeZonePreferenceController(
                 mContext, null /* callback */, false /* fromSUW */);
 
@@ -95,8 +94,7 @@
 
     @Test
     public void isWifiOnly_notEnable() {
-        connectivityManager.setNetworkSupported(ConnectivityManager.TYPE_MOBILE, false);
-
+        when(mTelephonyManager.isDataCapable()).thenReturn(false);
         mController = new AutoTimeZonePreferenceController(
                 mContext, null /* callback */, false /* fromSUW */);
 
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/RegulatoryInfoPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/RegulatoryInfoPreferenceControllerTest.java
index 1b9c487..464d9a2 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/RegulatoryInfoPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/RegulatoryInfoPreferenceControllerTest.java
@@ -35,10 +35,10 @@
 import org.mockito.Answers;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
 
 import java.util.ArrayList;
 import java.util.List;
-import org.robolectric.RobolectricTestRunner;
 
 @RunWith(RobolectricTestRunner.class)
 public class RegulatoryInfoPreferenceControllerTest {
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/StorageSettingsTest.java b/tests/robotests/src/com/android/settings/deviceinfo/StorageSettingsTest.java
index aad3f30..d96473b 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/StorageSettingsTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/StorageSettingsTest.java
@@ -34,10 +34,10 @@
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
 
 import java.util.ArrayList;
 import java.util.List;
-import org.robolectric.RobolectricTestRunner;
 
 @RunWith(RobolectricTestRunner.class)
 public class StorageSettingsTest {
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/BasebandVersionPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/BasebandVersionPreferenceControllerTest.java
index 8230144..87fdb22 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/BasebandVersionPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/BasebandVersionPreferenceControllerTest.java
@@ -21,45 +21,42 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import static org.robolectric.shadow.api.Shadow.extract;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.net.ConnectivityManager;
 import android.sysprop.TelephonyProperties;
-
-import com.android.settings.testutils.shadow.ShadowConnectivityManager;
+import android.telephony.TelephonyManager;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.Config;
 
 import java.util.Arrays;
 
-
 @RunWith(RobolectricTestRunner.class)
-@Config(shadows = ShadowConnectivityManager.class)
 public class BasebandVersionPreferenceControllerTest {
-
+    @Mock
     private Context mContext;
     private BasebandVersionPreferenceController mController;
+    @Mock
+    private TelephonyManager mTelephonyManager;
 
     @Before
     public void setup() {
         MockitoAnnotations.initMocks(this);
-        mContext = RuntimeEnvironment.application;
+        mContext = spy(RuntimeEnvironment.application);
         mController = new BasebandVersionPreferenceController(mContext, "key");
+        when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);
     }
 
     @Test
     public void getAvailability_wifiOnly_unavailable() {
-        final ShadowConnectivityManager connectivityManager =
-                extract(mContext.getSystemService(ConnectivityManager.class));
-        connectivityManager.setNetworkSupported(ConnectivityManager.TYPE_MOBILE, false);
-
+        when(mTelephonyManager.isDataCapable()).thenReturn(false);
         assertThat(mController.getAvailabilityStatus()).isEqualTo(UNSUPPORTED_ON_DEVICE);
     }
 
@@ -67,10 +64,7 @@
     public void getAvailability_hasMobile_available() {
         final String text = "test";
         TelephonyProperties.baseband_version(Arrays.asList(new String[]{text}));
-        ShadowConnectivityManager connectivityManager =
-                extract(mContext.getSystemService(ConnectivityManager.class));
-        connectivityManager.setNetworkSupported(ConnectivityManager.TYPE_MOBILE, true);
-
+        when(mTelephonyManager.isDataCapable()).thenReturn(true);
         assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
     }
 }
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogControllerTest.java
index a854c04..afe9cfc 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogControllerTest.java
@@ -34,7 +34,6 @@
 import static com.android.settings.deviceinfo.simstatus.SimStatusDialogController.SIGNAL_STRENGTH_LABEL_ID;
 import static com.android.settings.deviceinfo.simstatus.SimStatusDialogController.SIGNAL_STRENGTH_VALUE_ID;
 
-
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
diff --git a/tests/robotests/src/com/android/settings/network/EthernetTetherPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/network/EthernetTetherPreferenceControllerTest.java
index b269b05..8a81908 100644
--- a/tests/robotests/src/com/android/settings/network/EthernetTetherPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/EthernetTetherPreferenceControllerTest.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.network;
 
-
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.ArgumentMatchers.eq;
diff --git a/tests/robotests/src/com/android/settings/network/MobileNetworkListControllerTest.java b/tests/robotests/src/com/android/settings/network/MobileNetworkListControllerTest.java
index 95d60a4..355dda8 100644
--- a/tests/robotests/src/com/android/settings/network/MobileNetworkListControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/MobileNetworkListControllerTest.java
@@ -39,6 +39,10 @@
 import android.telephony.TelephonyManager;
 import android.telephony.euicc.EuiccManager;
 
+import androidx.lifecycle.Lifecycle;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Ignore;
@@ -52,10 +56,6 @@
 
 import java.util.Arrays;
 
-import androidx.lifecycle.Lifecycle;
-import androidx.preference.Preference;
-import androidx.preference.PreferenceScreen;
-
 @RunWith(RobolectricTestRunner.class)
 public class MobileNetworkListControllerTest {
     @Mock
diff --git a/tests/robotests/src/com/android/settings/network/MobileNetworkListFragmentTest.java b/tests/robotests/src/com/android/settings/network/MobileNetworkListFragmentTest.java
index a65ff24..fd2b520 100644
--- a/tests/robotests/src/com/android/settings/network/MobileNetworkListFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/network/MobileNetworkListFragmentTest.java
@@ -33,7 +33,6 @@
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.util.ReflectionHelpers;
 
-
 @RunWith(RobolectricTestRunner.class)
 public class MobileNetworkListFragmentTest {
     @Mock
diff --git a/tests/robotests/src/com/android/settings/network/MobileNetworkPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/network/MobileNetworkPreferenceControllerTest.java
index 6d46f9c..8256f35 100644
--- a/tests/robotests/src/com/android/settings/network/MobileNetworkPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/MobileNetworkPreferenceControllerTest.java
@@ -28,7 +28,6 @@
 import static org.robolectric.shadow.api.Shadow.extract;
 
 import android.content.Context;
-import android.net.ConnectivityManager;
 import android.os.UserManager;
 import android.provider.Settings;
 import android.provider.Settings.Global;
@@ -88,9 +87,7 @@
     public void secondaryUser_prefIsNotAvailable() {
         ShadowUserManager userManager = extract(mContext.getSystemService(UserManager.class));
         userManager.setIsAdminUser(false);
-        ShadowConnectivityManager connectivityManager =
-                extract(mContext.getSystemService(ConnectivityManager.class));
-        connectivityManager.setNetworkSupported(ConnectivityManager.TYPE_MOBILE, true);
+        when(mTelephonyManager.isDataCapable()).thenReturn(true);
 
         mController = new MobileNetworkPreferenceController(mContext);
         assertThat(mController.isAvailable()).isFalse();
@@ -100,10 +97,7 @@
     public void wifiOnly_prefIsNotAvailable() {
         ShadowUserManager userManager = extract(mContext.getSystemService(UserManager.class));
         userManager.setIsAdminUser(true);
-        ShadowConnectivityManager connectivityManager =
-                extract(mContext.getSystemService(ConnectivityManager.class));
-        connectivityManager.setNetworkSupported(ConnectivityManager.TYPE_MOBILE, false);
-
+        when(mTelephonyManager.isDataCapable()).thenReturn(false);
         mController = new MobileNetworkPreferenceController(mContext);
         assertThat(mController.isAvailable()).isFalse();
     }
diff --git a/tests/robotests/src/com/android/settings/network/MobileNetworkSummaryControllerTest.java b/tests/robotests/src/com/android/settings/network/MobileNetworkSummaryControllerTest.java
index f6bc05a..bf8dcda 100644
--- a/tests/robotests/src/com/android/settings/network/MobileNetworkSummaryControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/MobileNetworkSummaryControllerTest.java
@@ -31,7 +31,6 @@
 
 import android.content.Context;
 import android.content.Intent;
-import android.net.ConnectivityManager;
 import android.os.UserManager;
 import android.provider.Settings;
 import android.telephony.SubscriptionInfo;
@@ -107,9 +106,7 @@
 
     @Test
     public void isAvailable_wifiOnlyMode_notAvailable() {
-        final ConnectivityManager cm = mock(ConnectivityManager.class);
-        when(cm.isNetworkSupported(ConnectivityManager.TYPE_MOBILE)).thenReturn(false);
-        when(mContext.getSystemService(ConnectivityManager.class)).thenReturn(cm);
+        when(mTelephonyManager.isDataCapable()).thenReturn(false);
         when(mUserManager.isAdminUser()).thenReturn(true);
 
         assertThat(mController.isAvailable()).isFalse();
@@ -117,11 +114,8 @@
 
     @Test
     public void isAvailable_secondaryUser_notAvailable() {
-        final ConnectivityManager cm = mock(ConnectivityManager.class);
-        when(cm.isNetworkSupported(ConnectivityManager.TYPE_MOBILE)).thenReturn(true);
-        when(mContext.getSystemService(ConnectivityManager.class)).thenReturn(cm);
+        when(mTelephonyManager.isDataCapable()).thenReturn(true);
         when(mUserManager.isAdminUser()).thenReturn(false);
-
         assertThat(mController.isAvailable()).isFalse();
     }
 
diff --git a/tests/robotests/src/com/android/settings/network/PrivateDnsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/network/PrivateDnsPreferenceControllerTest.java
index efb77eb..390a674 100644
--- a/tests/robotests/src/com/android/settings/network/PrivateDnsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/PrivateDnsPreferenceControllerTest.java
@@ -60,8 +60,8 @@
 import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
-import com.android.settings.testutils.shadow.ShadowUserManager;
 import com.android.settings.testutils.shadow.ShadowDevicePolicyManager;
+import com.android.settings.testutils.shadow.ShadowUserManager;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import org.junit.Before;
diff --git a/tests/robotests/src/com/android/settings/network/telephony/MobileNetworkSettingsTest.java b/tests/robotests/src/com/android/settings/network/telephony/MobileNetworkSettingsTest.java
index ea90860..44611ce 100644
--- a/tests/robotests/src/com/android/settings/network/telephony/MobileNetworkSettingsTest.java
+++ b/tests/robotests/src/com/android/settings/network/telephony/MobileNetworkSettingsTest.java
@@ -74,7 +74,7 @@
     public void setUp() {
         MockitoAnnotations.initMocks(this);
         mContext = spy(RuntimeEnvironment.application);
-        when(mContext.getSystemService(Context.TELEPHONY_SERVICE)).thenReturn(mTelephonyManager);
+        when(mActivity.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);
         when(mTelephonyManager.createForSubscriptionId(anyInt())).thenReturn(mTelephonyManager);
         when(mContext.getSystemService(NetworkStatsManager.class)).thenReturn(mNetworkStatsManager);
         ShadowEntityHeaderController.setUseMock(mock(EntityHeaderController.class));
diff --git a/tests/robotests/src/com/android/settings/sim/SimSelectNotificationTest.java b/tests/robotests/src/com/android/settings/sim/SimSelectNotificationTest.java
index 84e88cb..446eef1 100644
--- a/tests/robotests/src/com/android/settings/sim/SimSelectNotificationTest.java
+++ b/tests/robotests/src/com/android/settings/sim/SimSelectNotificationTest.java
@@ -15,7 +15,6 @@
  */
 package com.android.settings.sim;
 
-
 import static android.app.NotificationManager.IMPORTANCE_HIGH;
 import static android.provider.Settings.ENABLE_MMS_DATA_REQUEST_REASON_INCOMING_MMS;
 import static android.provider.Settings.ENABLE_MMS_DATA_REQUEST_REASON_OUTGOING_MMS;
diff --git a/tests/robotests/src/com/android/settings/wifi/CellularFallbackPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/CellularFallbackPreferenceControllerTest.java
index 6f3230c..81f8e63 100644
--- a/tests/robotests/src/com/android/settings/wifi/CellularFallbackPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/CellularFallbackPreferenceControllerTest.java
@@ -24,14 +24,12 @@
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
 
-import android.content.Context;
 import android.content.res.Resources;
 import android.telephony.SubscriptionManager;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
diff --git a/tests/robotests/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceControllerTest.java
index f9271a6..13842b5 100644
--- a/tests/robotests/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceControllerTest.java
@@ -26,7 +26,6 @@
 import android.content.Context;
 import android.provider.Settings;
 
-import androidx.preference.Preference;
 import androidx.preference.SwitchPreference;
 
 import org.junit.Before;
diff --git a/tests/robotests/src/com/android/settings/wifi/calling/DisclaimerItemListAdapterTest.java b/tests/robotests/src/com/android/settings/wifi/calling/DisclaimerItemListAdapterTest.java
index 4cfc9ba..8478a54 100644
--- a/tests/robotests/src/com/android/settings/wifi/calling/DisclaimerItemListAdapterTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/calling/DisclaimerItemListAdapterTest.java
@@ -17,9 +17,10 @@
 package com.android.settings.wifi.calling;
 
 import static com.android.settings.wifi.calling.DisclaimerItemListAdapter
-        .DisclaimerItemViewHolder.ID_DISCLAIMER_ITEM_TITLE;
-import static com.android.settings.wifi.calling.DisclaimerItemListAdapter
         .DisclaimerItemViewHolder.ID_DISCLAIMER_ITEM_DESCRIPTION;
+import static com.android.settings.wifi.calling.DisclaimerItemListAdapter
+        .DisclaimerItemViewHolder.ID_DISCLAIMER_ITEM_TITLE;
+
 import static org.mockito.Matchers.anyBoolean;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.anyObject;
@@ -33,11 +34,6 @@
 import android.view.ViewGroup;
 import android.widget.TextView;
 
-import com.android.settings.R;
-
-import java.util.ArrayList;
-import java.util.List;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -45,6 +41,9 @@
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
 
+import java.util.ArrayList;
+import java.util.List;
+
 @RunWith(RobolectricTestRunner.class)
 public class DisclaimerItemListAdapterTest {
 
diff --git a/tests/robotests/src/com/android/settings/wifi/calling/EmergencyCallLimitationDisclaimerTest.java b/tests/robotests/src/com/android/settings/wifi/calling/EmergencyCallLimitationDisclaimerTest.java
index ce80324..985edda 100644
--- a/tests/robotests/src/com/android/settings/wifi/calling/EmergencyCallLimitationDisclaimerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/calling/EmergencyCallLimitationDisclaimerTest.java
@@ -17,10 +17,10 @@
 package com.android.settings.wifi.calling;
 
 import static com.google.common.truth.Truth.assertThat;
+
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
 
@@ -29,11 +29,9 @@
 import android.os.PersistableBundle;
 import android.telephony.CarrierConfigManager;
 
-import com.android.settings.R;
-
 import org.junit.Before;
-import org.junit.runner.RunWith;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/wifi/calling/LocationPolicyDisclaimerTest.java b/tests/robotests/src/com/android/settings/wifi/calling/LocationPolicyDisclaimerTest.java
index 9494288..3fe9678 100644
--- a/tests/robotests/src/com/android/settings/wifi/calling/LocationPolicyDisclaimerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/calling/LocationPolicyDisclaimerTest.java
@@ -17,12 +17,10 @@
 package com.android.settings.wifi.calling;
 
 import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Matchers.anyBoolean;
+
 import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.anyObject;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
 
@@ -31,11 +29,9 @@
 import android.os.PersistableBundle;
 import android.telephony.CarrierConfigManager;
 
-import com.android.settings.R;
-
 import org.junit.Before;
-import org.junit.runner.RunWith;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/wifi/calling/WifiCallingSettingsForSubTest.java b/tests/robotests/src/com/android/settings/wifi/calling/WifiCallingSettingsForSubTest.java
index 2e93faa..99992b6 100644
--- a/tests/robotests/src/com/android/settings/wifi/calling/WifiCallingSettingsForSubTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/calling/WifiCallingSettingsForSubTest.java
@@ -16,12 +16,12 @@
 
 package com.android.settings.wifi.calling;
 
+import static junit.framework.Assert.assertEquals;
+
 import static com.android.settings.SettingsActivity.EXTRA_SHOW_FRAGMENT;
 
 import static com.google.common.truth.Truth.assertThat;
 
-import static junit.framework.Assert.assertEquals;
-
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.eq;
diff --git a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherFooterPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherFooterPreferenceControllerTest.java
index 25ad730..a423071 100644
--- a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherFooterPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherFooterPreferenceControllerTest.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.wifi.tether;
 
-import static org.mockito.ArgumentMatchers.anyString;;
+import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
diff --git a/tests/unit/src/com/android/settings/network/MultiNetworkHeaderControllerTest.java b/tests/unit/src/com/android/settings/network/MultiNetworkHeaderControllerTest.java
index cdb82a6..c51bb18 100644
--- a/tests/unit/src/com/android/settings/network/MultiNetworkHeaderControllerTest.java
+++ b/tests/unit/src/com/android/settings/network/MultiNetworkHeaderControllerTest.java
@@ -41,7 +41,6 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-
 @RunWith(AndroidJUnit4.class)
 public class MultiNetworkHeaderControllerTest {
     private static final String KEY_HEADER = "multi_network_header";
diff --git a/tests/unit/src/com/android/settings/network/telephony/EuiccPreferenceControllerTest.java b/tests/unit/src/com/android/settings/network/telephony/EuiccPreferenceControllerTest.java
index f1ad2ff..ccc12e3 100644
--- a/tests/unit/src/com/android/settings/network/telephony/EuiccPreferenceControllerTest.java
+++ b/tests/unit/src/com/android/settings/network/telephony/EuiccPreferenceControllerTest.java
@@ -38,7 +38,6 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-
 @RunWith(AndroidJUnit4.class)
 public class EuiccPreferenceControllerTest {
     private static final int SUB_ID = 2;
diff --git a/tests/unit/src/com/android/settings/network/telephony/MobileDataPreferenceControllerTest.java b/tests/unit/src/com/android/settings/network/telephony/MobileDataPreferenceControllerTest.java
index 0feabf2..c35942a 100644
--- a/tests/unit/src/com/android/settings/network/telephony/MobileDataPreferenceControllerTest.java
+++ b/tests/unit/src/com/android/settings/network/telephony/MobileDataPreferenceControllerTest.java
@@ -46,7 +46,6 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-
 @RunWith(AndroidJUnit4.class)
 public class MobileDataPreferenceControllerTest {
     private static final int SUB_ID = 2;
diff --git a/tests/unit/src/com/android/settings/vpn2/AppSettingsTest.java b/tests/unit/src/com/android/settings/vpn2/AppSettingsTest.java
index 014d8ea..a30d610 100644
--- a/tests/unit/src/com/android/settings/vpn2/AppSettingsTest.java
+++ b/tests/unit/src/com/android/settings/vpn2/AppSettingsTest.java
@@ -17,6 +17,7 @@
 package com.android.settings.vpn2;
 
 import static com.android.settings.vpn2.AppManagementFragment.appHasVpnPermission;
+
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.when;