Merge "Updates to match prebuilts drop" into pi-dev
diff --git a/src/com/android/settings/accounts/AccountPreferenceController.java b/src/com/android/settings/accounts/AccountPreferenceController.java
index d9562c0..b172198 100644
--- a/src/com/android/settings/accounts/AccountPreferenceController.java
+++ b/src/com/android/settings/accounts/AccountPreferenceController.java
@@ -370,7 +370,7 @@
     private Preference newManagedProfileSettings() {
         Preference preference = new Preference(mParent.getPreferenceManager().getContext());
         preference.setTitle(R.string.managed_profile_settings_title);
-        preference.setIcon(R.drawable.ic_settings);
+        preference.setIcon(R.drawable.ic_settings_24dp);
         preference.setOnPreferenceClickListener(this);
         preference.setOrder(ORDER_NEXT_TO_LAST);
         return preference;
diff --git a/src/com/android/settings/network/PrivateDnsModeDialogPreference.java b/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
index 3b09cc2..71a3e0d 100644
--- a/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
+++ b/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
@@ -18,6 +18,8 @@
 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;
+import static android.system.OsConstants.AF_INET;
+import static android.system.OsConstants.AF_INET6;
 
 import android.app.AlertDialog;
 import android.content.ActivityNotFoundException;
@@ -27,6 +29,7 @@
 import android.content.Intent;
 import android.provider.Settings;
 import android.support.annotation.VisibleForTesting;
+import android.system.Os;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.text.method.LinkMovementMethod;
@@ -45,6 +48,7 @@
 import com.android.settingslib.CustomDialogPreference;
 import com.android.settingslib.HelpUtils;
 
+import java.net.InetAddress;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -67,6 +71,8 @@
         PRIVATE_DNS_MAP.put(PRIVATE_DNS_MODE_PROVIDER_HOSTNAME, R.id.private_dns_mode_provider);
     }
 
+    private static final int[] ADDRESS_FAMILIES = new int[]{AF_INET, AF_INET6};
+
     @VisibleForTesting
     static final String MODE_KEY = Settings.Global.PRIVATE_DNS_MODE;
     @VisibleForTesting
@@ -180,12 +186,20 @@
     }
 
     private boolean isWeaklyValidatedHostname(String hostname) {
-        // TODO(b/34953048): Find and use a better validation method.  Specifically:
-        //     [1] this should reject IP string literals, and
-        //     [2] do the best, simplest, future-proof verification that
-        //         the input approximates a DNS hostname.
+        // TODO(b/34953048): Use a validation method that permits more accurate,
+        // but still inexpensive, checking of likely valid DNS hostnames.
         final String WEAK_HOSTNAME_REGEX = "^[a-zA-Z0-9_.-]+$";
-        return hostname.matches(WEAK_HOSTNAME_REGEX);
+        if (!hostname.matches(WEAK_HOSTNAME_REGEX)) {
+            return false;
+        }
+
+        for (int address_family : ADDRESS_FAMILIES) {
+            if (Os.inet_pton(address_family, hostname) != null) {
+                return false;
+            }
+        }
+
+        return true;
     }
 
     private Button getSaveButton() {
diff --git a/src/com/android/settings/slices/SliceBroadcastReceiver.java b/src/com/android/settings/slices/SliceBroadcastReceiver.java
index 06b1b62..2d6f83e 100644
--- a/src/com/android/settings/slices/SliceBroadcastReceiver.java
+++ b/src/com/android/settings/slices/SliceBroadcastReceiver.java
@@ -32,10 +32,13 @@
 import android.provider.SettingsSlicesContract;
 import android.text.TextUtils;
 import android.util.Log;
+import android.util.Pair;
 
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.core.SliderPreferenceController;
 import com.android.settings.core.TogglePreferenceController;
+import com.android.settings.overlay.FeatureFactory;
 
 import androidx.slice.core.SliceHints;
 
@@ -92,7 +95,7 @@
         }
 
         if (!controller.isAvailable()) {
-            Log.d(TAG, "Can't update " + key + " since the setting is unavailable");
+            Log.w(TAG, "Can't update " + key + " since the setting is unavailable");
             updateUri(context, key, isPlatformSlice);
         }
 
@@ -100,7 +103,9 @@
         // so that it's automatically broadcast to any slice.
         final TogglePreferenceController toggleController = (TogglePreferenceController) controller;
         final boolean currentValue = toggleController.isChecked();
-        toggleController.setChecked(!currentValue);
+        final boolean newValue = !currentValue;
+        toggleController.setChecked(newValue);
+        logSliceValueChange(context, key, newValue ? 1 : 0);
         updateUri(context, key, isPlatformSlice);
     }
 
@@ -129,6 +134,20 @@
         }
 
         sliderController.setSliderPosition(newPosition);
+        logSliceValueChange(context, key, newPosition);
+    }
+
+    /**
+     * Log Slice value update events into MetricsFeatureProvider. The logging schema generally
+     * follows the pattern in SharedPreferenceLogger.
+     */
+    private void logSliceValueChange(Context context, String sliceKey, int newValue) {
+        final Pair<Integer, Object> namePair = Pair.create(
+                MetricsEvent.FIELD_SETTINGS_PREFERENCE_CHANGE_NAME, sliceKey);
+        final Pair<Integer, Object> valuePair = Pair.create(
+                MetricsEvent.FIELD_SETTINGS_PREFERENCE_CHANGE_INT_VALUE, newValue);
+        FeatureFactory.getFactory(context).getMetricsFeatureProvider()
+                .action(context, MetricsEvent.ACTION_SETTINGS_SLICE_CHANGED, namePair, valuePair);
     }
 
     private BasePreferenceController getPreferenceController(Context context, String key) {
diff --git a/src/com/android/settings/slices/SliceBuilderUtils.java b/src/com/android/settings/slices/SliceBuilderUtils.java
index 09a06d3..3e062c8 100644
--- a/src/com/android/settings/slices/SliceBuilderUtils.java
+++ b/src/com/android/settings/slices/SliceBuilderUtils.java
@@ -16,6 +16,7 @@
 
 package com.android.settings.slices;
 
+import static androidx.slice.builders.ListBuilder.ICON_IMAGE;
 import static com.android.settings.core.BasePreferenceController.DISABLED_DEPENDENT_SETTING;
 import static com.android.settings.core.BasePreferenceController.DISABLED_FOR_USER;
 import static com.android.settings.core.BasePreferenceController.DISABLED_UNSUPPORTED;
@@ -23,8 +24,6 @@
 import static com.android.settings.slices.SettingsSliceProvider.EXTRA_SLICE_KEY;
 import static com.android.settings.slices.SettingsSliceProvider.EXTRA_SLICE_PLATFORM_DEFINED;
 
-import static androidx.slice.builders.ListBuilder.ICON_IMAGE;
-
 import android.app.PendingIntent;
 import android.content.ContentResolver;
 import android.content.Context;
@@ -37,18 +36,20 @@
 import android.util.Pair;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.SubSettings;
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.core.SliderPreferenceController;
 import com.android.settings.core.TogglePreferenceController;
+import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.DatabaseIndexingUtils;
 import com.android.settingslib.core.AbstractPreferenceController;
 
 import android.support.v4.graphics.drawable.IconCompat;
 import androidx.slice.Slice;
-import androidx.slice.builders.SliceAction;
 import androidx.slice.builders.ListBuilder;
+import androidx.slice.builders.SliceAction;
 
 
 /**
@@ -68,7 +69,12 @@
      */
     public static Slice buildSlice(Context context, SliceData sliceData) {
         final BasePreferenceController controller = getPreferenceController(context, sliceData);
-
+        final Pair<Integer, Object> sliceNamePair =
+                Pair.create(MetricsEvent.FIELD_SETTINGS_PREFERENCE_CHANGE_NAME, sliceData.getKey());
+        // Log Slice requests using the same schema as SharedPreferenceLogger (but with a different
+        // action name).
+        FeatureFactory.getFactory(context).getMetricsFeatureProvider()
+                .action(context, MetricsEvent.ACTION_SETTINGS_SLICE_REQUESTED, sliceNamePair);
         if (!controller.isAvailable()) {
             return buildUnavailableSlice(context, sliceData, controller);
         }
diff --git a/tests/robotests/assets/grandfather_not_implementing_indexable b/tests/robotests/assets/grandfather_not_implementing_indexable
index 3751222..5a89072 100644
--- a/tests/robotests/assets/grandfather_not_implementing_indexable
+++ b/tests/robotests/assets/grandfather_not_implementing_indexable
@@ -58,7 +58,7 @@
 com.android.settings.applications.appinfo.ExternalSourcesDetails
 com.android.settings.applications.appinfo.PictureInPictureSettings
 com.android.settings.applications.appinfo.PictureInPictureDetails
-com.android.settings.ApnSettings
+com.android.settings.network.ApnSettings
 com.android.settings.PrivacySettings
 com.android.settings.wifi.calling.WifiCallingSettingsForSub
 com.android.settings.password.SetupChooseLockGeneric$SetupChooseLockGenericFragment
@@ -67,7 +67,7 @@
 com.android.settings.password.ChooseLockGeneric$ChooseLockGenericFragment
 com.android.settings.IccLockSettings
 com.android.settings.TetherSettings
-com.android.settings.ApnEditor
+com.android.settings.network.ApnEditor
 com.android.settings.UserCredentialsSettings
 com.android.settings.TestingSettings
 com.android.settings.applications.DirectoryAccessDetails
diff --git a/tests/robotests/src/com/android/settings/network/PrivateDnsModeDialogPreferenceTest.java b/tests/robotests/src/com/android/settings/network/PrivateDnsModeDialogPreferenceTest.java
index 8a60cf3..c5521be 100644
--- a/tests/robotests/src/com/android/settings/network/PrivateDnsModeDialogPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/network/PrivateDnsModeDialogPreferenceTest.java
@@ -37,16 +37,19 @@
 
 import com.android.settings.R;
 import com.android.settingslib.CustomDialogPreference.CustomPreferenceDialogFragment;
+import com.android.settings.testutils.shadow.ShadowOs;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.util.ReflectionHelpers;
 
 @RunWith(SettingsRobolectricTestRunner.class)
+@Config(shadows = ShadowOs.class)
 public class PrivateDnsModeDialogPreferenceTest {
 
     private static final String HOST_NAME = "dns.example.com";
@@ -61,6 +64,9 @@
     public void setUp() {
         MockitoAnnotations.initMocks(this);
 
+        ReflectionHelpers.setStaticField(android.system.OsConstants.class, "AF_INET", 2);
+        ReflectionHelpers.setStaticField(android.system.OsConstants.class, "AF_INET6", 10);
+
         mContext = RuntimeEnvironment.application;
         mSaveButton = new Button(mContext);
 
@@ -122,16 +128,24 @@
 
     @Test
     public void testOnCheckedChanged_switchMode_saveButtonHasCorrectState() {
-        // Set invalid hostname
-        mPreference.mEditText.setText(INVALID_HOST_NAME);
+        final String[] INVALID_HOST_NAMES = new String[] {
+            INVALID_HOST_NAME,
+            "2001:db8::53",  // IPv6 string literal
+            "192.168.1.1",   // IPv4 string literal
+        };
 
-        mPreference.onCheckedChanged(null, R.id.private_dns_mode_opportunistic);
-        assertThat(mSaveButton.isEnabled()).isTrue();
+        for (String invalid : INVALID_HOST_NAMES) {
+            // Set invalid hostname
+            mPreference.mEditText.setText(invalid);
 
-        mPreference.onCheckedChanged(null, R.id.private_dns_mode_provider);
-        assertThat(mSaveButton.isEnabled()).isFalse();
+            mPreference.onCheckedChanged(null, R.id.private_dns_mode_off);
+            assertThat(mSaveButton.isEnabled()).named("off: " + invalid).isTrue();
 
-        mPreference.onCheckedChanged(null, R.id.private_dns_mode_off);
-        assertThat(mSaveButton.isEnabled()).isTrue();
+            mPreference.onCheckedChanged(null, R.id.private_dns_mode_opportunistic);
+            assertThat(mSaveButton.isEnabled()).named("opportunistic: " + invalid).isTrue();
+
+            mPreference.onCheckedChanged(null, R.id.private_dns_mode_provider);
+            assertThat(mSaveButton.isEnabled()).named("provider: " + invalid).isFalse();
+        }
     }
 }
diff --git a/tests/robotests/src/com/android/settings/slices/SliceBroadcastReceiverTest.java b/tests/robotests/src/com/android/settings/slices/SliceBroadcastReceiverTest.java
index 525ecc7..fdd77e8 100644
--- a/tests/robotests/src/com/android/settings/slices/SliceBroadcastReceiverTest.java
+++ b/tests/robotests/src/com/android/settings/slices/SliceBroadcastReceiverTest.java
@@ -18,12 +18,16 @@
 package com.android.settings.slices;
 
 import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.verify;
 
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
 import android.database.sqlite.SQLiteDatabase;
+import android.util.Pair;
 
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.search.FakeIndexProvider;
 import com.android.settings.search.SearchFeatureProvider;
 import com.android.settings.search.SearchFeatureProviderImpl;
@@ -37,6 +41,7 @@
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
 import org.robolectric.RuntimeEnvironment;
 
 import androidx.slice.core.SliceHints;
@@ -56,6 +61,8 @@
     private SliceBroadcastReceiver mReceiver;
     private SearchFeatureProvider mSearchFeatureProvider;
     private FakeFeatureFactory mFakeFeatureFactory;
+    private ArgumentCaptor<Pair<Integer, Object>> mLoggingNameArgumentCatpor;
+    private ArgumentCaptor<Pair<Integer, Object>> mLoggingValueArgumentCatpor;
 
     @Before
     public void setUp() {
@@ -67,6 +74,8 @@
         mSearchFeatureProvider = new SearchFeatureProviderImpl();
         mFakeFeatureFactory = FakeFeatureFactory.setupForTest();
         mFakeFeatureFactory.searchFeatureProvider = mSearchFeatureProvider;
+        mLoggingNameArgumentCatpor = ArgumentCaptor.forClass(Pair.class);
+        mLoggingValueArgumentCatpor = ArgumentCaptor.forClass(Pair.class);
     }
 
     @After
@@ -75,8 +84,8 @@
     }
 
     @Test
-    public void testOnReceive_toggleChanged() {
-        String key = "key";
+    public void onReceive_toggleChanged() {
+        final String key = "key";
         mSearchFeatureProvider.getSearchIndexableResources().getProviderValues().clear();
         insertSpecialCase(key);
         // Turn on toggle setting
@@ -91,11 +100,25 @@
         mReceiver.onReceive(mContext, intent);
 
         assertThat(fakeToggleController.isChecked()).isFalse();
+        verify(mFakeFeatureFactory.metricsFeatureProvider)
+                .action(eq(mContext),
+                        eq(MetricsEvent.ACTION_SETTINGS_SLICE_CHANGED),
+                        mLoggingNameArgumentCatpor.capture(),
+                        mLoggingValueArgumentCatpor.capture());
+
+        final Pair<Integer, Object> namePair = mLoggingNameArgumentCatpor.getValue();
+        final Pair<Integer, Object> valuePair = mLoggingValueArgumentCatpor.getValue();
+        assertThat(namePair.first).isEqualTo(MetricsEvent.FIELD_SETTINGS_PREFERENCE_CHANGE_NAME);
+        assertThat(namePair.second).isEqualTo(fakeToggleController.getPreferenceKey());
+
+        assertThat(valuePair.first)
+                .isEqualTo(MetricsEvent.FIELD_SETTINGS_PREFERENCE_CHANGE_INT_VALUE);
+        assertThat(valuePair.second).isEqualTo(0);
     }
 
     @Test
-    public void testOnReceive_sliderChanged() {
-        String key = "key";
+    public void onReceive_sliderChanged() {
+        final String key = "key";
         final int position = FakeSliderController.MAX_STEPS - 1;
         final int oldPosition = FakeSliderController.MAX_STEPS;
         mSearchFeatureProvider.getSearchIndexableResources().getProviderValues().clear();
@@ -115,11 +138,25 @@
         mReceiver.onReceive(mContext, intent);
 
         assertThat(fakeSliderController.getSliderPosition()).isEqualTo(position);
+        verify(mFakeFeatureFactory.metricsFeatureProvider)
+                .action(eq(mContext),
+                        eq(MetricsEvent.ACTION_SETTINGS_SLICE_CHANGED),
+                        mLoggingNameArgumentCatpor.capture(),
+                        mLoggingValueArgumentCatpor.capture());
+
+        final Pair<Integer, Object> namePair = mLoggingNameArgumentCatpor.getValue();
+        final Pair<Integer, Object> valuePair = mLoggingValueArgumentCatpor.getValue();
+        assertThat(namePair.first).isEqualTo(MetricsEvent.FIELD_SETTINGS_PREFERENCE_CHANGE_NAME);
+        assertThat(namePair.second).isEqualTo(key);
+
+        assertThat(valuePair.first)
+                .isEqualTo(MetricsEvent.FIELD_SETTINGS_PREFERENCE_CHANGE_INT_VALUE);
+        assertThat(valuePair.second).isEqualTo(position);
     }
 
     @Test(expected = IllegalArgumentException.class)
-    public void testOnReceive_invalidController_throwsException() {
-        String key = "key";
+    public void onReceive_invalidController_throwsException() {
+        final String key = "key";
         final int position = 0;
         mSearchFeatureProvider.getSearchIndexableResources().getProviderValues().clear();
         insertSpecialCase(FakeToggleController.class, key);
@@ -136,23 +173,23 @@
     @Test(expected = IllegalArgumentException.class)
     public void sliderOnReceive_noKey_throwsException() {
         // Build action
-        Intent intent = new Intent(SettingsSliceProvider.ACTION_SLIDER_CHANGED);
-        intent.putExtra(SliceHints.EXTRA_RANGE_VALUE, 0);
+        final Intent intent = new Intent(SettingsSliceProvider.ACTION_SLIDER_CHANGED)
+                .putExtra(SliceHints.EXTRA_RANGE_VALUE, 0);
 
         // Trigger the exception.
         mReceiver.onReceive(mContext, intent);
     }
 
-    @Test(expected =  IllegalStateException.class)
+    @Test(expected = IllegalStateException.class)
     public void toggleOnReceive_noExtra_illegalStateException() {
-        Intent intent = new Intent(SettingsSliceProvider.ACTION_TOGGLE_CHANGED);
+        final Intent intent = new Intent(SettingsSliceProvider.ACTION_TOGGLE_CHANGED);
         mReceiver.onReceive(mContext, intent);
     }
 
-    @Test(expected =  IllegalStateException.class)
+    @Test(expected = IllegalStateException.class)
     public void toggleOnReceive_emptyKey_throwsIllegalStateException() {
-        Intent intent = new Intent(SettingsSliceProvider.ACTION_TOGGLE_CHANGED);
-        intent.putExtra(SettingsSliceProvider.EXTRA_SLICE_KEY, (String) null);
+        final Intent intent = new Intent(SettingsSliceProvider.ACTION_TOGGLE_CHANGED)
+                .putExtra(SettingsSliceProvider.EXTRA_SLICE_KEY, (String) null);
         mReceiver.onReceive(mContext, intent);
     }
 
diff --git a/tests/robotests/src/com/android/settings/slices/SliceBuilderUtilsTest.java b/tests/robotests/src/com/android/settings/slices/SliceBuilderUtilsTest.java
index d21fc05..df6be44 100644
--- a/tests/robotests/src/com/android/settings/slices/SliceBuilderUtilsTest.java
+++ b/tests/robotests/src/com/android/settings/slices/SliceBuilderUtilsTest.java
@@ -17,9 +17,10 @@
 package com.android.settings.slices;
 
 import static com.google.common.truth.Truth.assertThat;
-
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
 
 import android.content.ContentResolver;
 import android.content.Context;
@@ -28,8 +29,10 @@
 import android.provider.SettingsSlicesContract;
 import android.util.Pair;
 
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
+import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.FakeSliderController;
 import com.android.settings.testutils.FakeToggleController;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
@@ -37,6 +40,7 @@
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
 import org.robolectric.RuntimeEnvironment;
 
 import androidx.slice.Slice;
@@ -58,10 +62,14 @@
     private final String ACTION_PATH = SettingsSlicesContract.PATH_SETTING_ACTION + "/" + KEY;
 
     private Context mContext;
+    private FakeFeatureFactory mFeatureFactory;
+    private ArgumentCaptor<Pair<Integer, Object>> mLoggingArgumentCatpor;
 
     @Before
     public void setUp() {
         mContext = RuntimeEnvironment.application;
+        mFeatureFactory = FakeFeatureFactory.setupForTest();
+        mLoggingArgumentCatpor = ArgumentCaptor.forClass(Pair.class);
     }
 
     @Test
@@ -73,67 +81,76 @@
 
     @Test
     public void testSliderSlice_returnsSeekBarSlice() {
-        final Slice slice = SliceBuilderUtils.buildSlice(mContext, getDummyData(
-                FakeSliderController.class));
+        final SliceData data = getDummyData(FakeSliderController.class);
+        final Slice slice = SliceBuilderUtils.buildSlice(mContext, data);
 
+        verify(mFeatureFactory.metricsFeatureProvider)
+                .action(eq(mContext), eq(MetricsEvent.ACTION_SETTINGS_SLICE_REQUESTED),
+                        mLoggingArgumentCatpor.capture());
+        final Pair<Integer, Object> capturedLoggingPair = mLoggingArgumentCatpor.getValue();
+
+        assertThat(capturedLoggingPair.first)
+                .isEqualTo(MetricsEvent.FIELD_SETTINGS_PREFERENCE_CHANGE_NAME);
+        assertThat(capturedLoggingPair.second)
+                .isEqualTo(data.getKey());
         assertThat(slice).isNotNull();
     }
 
     @Test
     public void testUriBuilder_oemAuthority_intentPath_returnsValidSliceUri() {
-        Uri expectedUri = new Uri.Builder()
+        final Uri expectedUri = new Uri.Builder()
                 .scheme(ContentResolver.SCHEME_CONTENT)
                 .authority(SettingsSliceProvider.SLICE_AUTHORITY)
                 .appendPath(INTENT_PATH)
                 .build();
 
-        Uri actualUri = SliceBuilderUtils.getUri(INTENT_PATH, false);
+        final Uri actualUri = SliceBuilderUtils.getUri(INTENT_PATH, false);
 
         assertThat(actualUri).isEqualTo(expectedUri);
     }
 
     @Test
     public void testUriBuilder_oemAuthority_actionPath_returnsValidSliceUri() {
-        Uri expectedUri = new Uri.Builder()
+        final Uri expectedUri = new Uri.Builder()
                 .scheme(ContentResolver.SCHEME_CONTENT)
                 .authority(SettingsSliceProvider.SLICE_AUTHORITY)
                 .appendPath(ACTION_PATH)
                 .build();
 
-        Uri actualUri = SliceBuilderUtils.getUri(ACTION_PATH, false);
+        final Uri actualUri = SliceBuilderUtils.getUri(ACTION_PATH, false);
 
         assertThat(actualUri).isEqualTo(expectedUri);
     }
 
     @Test
     public void testUriBuilder_platformAuthority_intentPath_returnsValidSliceUri() {
-        Uri expectedUri = new Uri.Builder()
+        final Uri expectedUri = new Uri.Builder()
                 .scheme(ContentResolver.SCHEME_CONTENT)
                 .authority(SettingsSlicesContract.AUTHORITY)
                 .appendPath(ACTION_PATH)
                 .build();
 
-        Uri actualUri = SliceBuilderUtils.getUri(ACTION_PATH, true);
+        final Uri actualUri = SliceBuilderUtils.getUri(ACTION_PATH, true);
 
         assertThat(actualUri).isEqualTo(expectedUri);
     }
 
     @Test
     public void testUriBuilder_platformAuthority_actionPath_returnsValidSliceUri() {
-        Uri expectedUri = new Uri.Builder()
+        final Uri expectedUri = new Uri.Builder()
                 .scheme(ContentResolver.SCHEME_CONTENT)
                 .authority(SettingsSlicesContract.AUTHORITY)
                 .appendPath(ACTION_PATH)
                 .build();
 
-        Uri actualUri = SliceBuilderUtils.getUri(ACTION_PATH, true);
+        final Uri actualUri = SliceBuilderUtils.getUri(ACTION_PATH, true);
 
         assertThat(actualUri).isEqualTo(expectedUri);
     }
 
     @Test
     public void testGetPreferenceController_buildsMatchingController() {
-        BasePreferenceController controller =
+        final BasePreferenceController controller =
                 SliceBuilderUtils.getPreferenceController(mContext, getDummyData());
 
         assertThat(controller).isInstanceOf(FakeToggleController.class);
@@ -141,7 +158,7 @@
 
     @Test
     public void testGetPreferenceController_contextOnly_buildsMatchingController() {
-        BasePreferenceController controller =
+        final BasePreferenceController controller =
                 SliceBuilderUtils.getPreferenceController(mContext, getDummyData(PREF_CONTROLLER2));
 
         assertThat(controller).isInstanceOf(FakeContextOnlyPreferenceController.class);
@@ -149,50 +166,52 @@
 
     @Test
     public void testDynamicSummary_returnsSliceSummary() {
-        SliceData data = getDummyData();
-        FakePreferenceController controller = new FakePreferenceController(mContext, KEY);
+        final SliceData data = getDummyData();
+        final FakePreferenceController controller = new FakePreferenceController(mContext, KEY);
 
-        CharSequence summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
+        final CharSequence summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
 
         assertThat(summary).isEqualTo(data.getSummary());
     }
 
     @Test
     public void testDynamicSummary_returnsFragmentSummary() {
-        SliceData data = getDummyData((String) null);
-        FakePreferenceController controller = spy(new FakePreferenceController(mContext, KEY));
-        String controllerSummary = "new_Summary";
+        final SliceData data = getDummyData((String) null);
+        final FakePreferenceController controller = spy(
+                new FakePreferenceController(mContext, KEY));
+        final String controllerSummary = "new_Summary";
         doReturn(controllerSummary).when(controller).getSummary();
 
-        CharSequence summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
+        final CharSequence summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
 
         assertThat(summary).isEqualTo(controllerSummary);
     }
 
     @Test
     public void testDynamicSummary_returnsSliceScreenTitle() {
-        SliceData data = getDummyData((String) null);
-        FakePreferenceController controller = new FakePreferenceController(mContext, KEY);
+        final SliceData data = getDummyData((String) null);
+        final FakePreferenceController controller = new FakePreferenceController(mContext, KEY);
 
-        CharSequence summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
+        final CharSequence summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
 
         assertThat(summary).isEqualTo(data.getScreenTitle());
     }
 
     @Test
     public void testDynamicSummary_placeHolderString_returnsScreenTitle() {
-        SliceData data = getDummyData(mContext.getString(R.string.summary_placeholder));
-        FakePreferenceController controller = new FakePreferenceController(mContext, KEY);
-        CharSequence summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
+        final SliceData data = getDummyData(mContext.getString(R.string.summary_placeholder));
+        final FakePreferenceController controller = new FakePreferenceController(mContext, KEY);
+        final CharSequence summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
 
         assertThat(summary).isEqualTo(data.getScreenTitle());
     }
 
     @Test
     public void testDynamicSummary_sliceDataAndFragmentPlaceholder_returnsSliceScreenTitle() {
-        String summaryPlaceholder = mContext.getString(R.string.summary_placeholder);
-        SliceData data = getDummyData(summaryPlaceholder);
-        FakePreferenceController controller = spy(new FakePreferenceController(mContext, KEY));
+        final String summaryPlaceholder = mContext.getString(R.string.summary_placeholder);
+        final SliceData data = getDummyData(summaryPlaceholder);
+        final FakePreferenceController controller = spy(
+                new FakePreferenceController(mContext, KEY));
         doReturn(summaryPlaceholder).when(controller).getSummary();
 
         CharSequence summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
@@ -202,13 +221,13 @@
 
     @Test
     public void getPathData_splitsIntentUri() {
-        Uri uri = new Uri.Builder()
+        final Uri uri = new Uri.Builder()
                 .authority(SettingsSliceProvider.SLICE_AUTHORITY)
                 .appendPath(SettingsSlicesContract.PATH_SETTING_INTENT)
                 .appendPath(KEY)
                 .build();
 
-        Pair<Boolean, String> pathPair = SliceBuilderUtils.getPathData(uri);
+        final Pair<Boolean, String> pathPair = SliceBuilderUtils.getPathData(uri);
 
         assertThat(pathPair.first).isFalse();
         assertThat(pathPair.second).isEqualTo(KEY);
@@ -216,13 +235,13 @@
 
     @Test
     public void getPathData_splitsActionUri() {
-        Uri uri = new Uri.Builder()
+        final Uri uri = new Uri.Builder()
                 .authority(SettingsSliceProvider.SLICE_AUTHORITY)
                 .appendPath(SettingsSlicesContract.PATH_SETTING_ACTION)
                 .appendPath(KEY)
                 .build();
 
-        Pair<Boolean, String> pathPair = SliceBuilderUtils.getPathData(uri);
+        final Pair<Boolean, String> pathPair = SliceBuilderUtils.getPathData(uri);
 
         assertThat(pathPair.first).isTrue();
         assertThat(pathPair.second).isEqualTo(KEY);
@@ -230,7 +249,7 @@
 
     @Test(expected = IllegalArgumentException.class)
     public void getPathData_noKey_returnsNull() {
-        Uri uri = new Uri.Builder()
+        final Uri uri = new Uri.Builder()
                 .authority(SettingsSliceProvider.SLICE_AUTHORITY)
                 .appendPath(SettingsSlicesContract.PATH_SETTING_ACTION)
                 .build();
@@ -240,14 +259,14 @@
 
     @Test
     public void getPathData_extraArg_returnsNull() {
-        Uri uri = new Uri.Builder()
+        final Uri uri = new Uri.Builder()
                 .authority(SettingsSliceProvider.SLICE_AUTHORITY)
                 .appendPath(SettingsSlicesContract.PATH_SETTING_ACTION)
                 .appendPath(KEY)
                 .appendPath(KEY)
                 .build();
 
-        Pair<Boolean, String> pathPair = SliceBuilderUtils.getPathData(uri);
+        final Pair<Boolean, String> pathPair = SliceBuilderUtils.getPathData(uri);
 
         assertThat(pathPair.first).isTrue();
         assertThat(pathPair.second).isEqualTo(KEY + "/" + KEY);
@@ -255,49 +274,68 @@
 
     @Test
     public void testUnsupportedSlice_validTitleSummary() {
-        SliceData data = getDummyData(FakeUnavailablePreferenceController.class.getName());
+        final SliceData data = getDummyData(FakeUnavailablePreferenceController.class.getName());
         Settings.System.putInt(mContext.getContentResolver(),
                 FakeUnavailablePreferenceController.AVAILABILITY_KEY,
                 BasePreferenceController.DISABLED_UNSUPPORTED);
 
-        Slice slice = SliceBuilderUtils.buildSlice(mContext, data);
+        final Slice slice = SliceBuilderUtils.buildSlice(mContext, data);
 
         assertThat(slice).isNotNull();
     }
 
     @Test
     public void testDisabledForUserSlice_validTitleSummary() {
-        SliceData data = getDummyData(FakeUnavailablePreferenceController.class.getName());
+        final SliceData data = getDummyData(FakeUnavailablePreferenceController.class.getName());
         Settings.System.putInt(mContext.getContentResolver(),
                 FakeUnavailablePreferenceController.AVAILABILITY_KEY,
                 BasePreferenceController.DISABLED_FOR_USER);
 
-        Slice slice = SliceBuilderUtils.buildSlice(mContext, data);
+        final Slice slice = SliceBuilderUtils.buildSlice(mContext, data);
 
         assertThat(slice).isNotNull();
     }
 
     @Test
     public void testDisabledDependententSettingSlice_validTitleSummary() {
-        SliceData data = getDummyData(FakeUnavailablePreferenceController.class.getName());
+        final SliceData data = getDummyData(FakeUnavailablePreferenceController.class.getName());
         Settings.System.putInt(mContext.getContentResolver(),
                 FakeUnavailablePreferenceController.AVAILABILITY_KEY,
                 BasePreferenceController.DISABLED_DEPENDENT_SETTING);
 
-        Slice slice = SliceBuilderUtils.buildSlice(mContext, data);
+        final Slice slice = SliceBuilderUtils.buildSlice(mContext, data);
 
+        verify(mFeatureFactory.metricsFeatureProvider)
+                .action(eq(mContext), eq(MetricsEvent.ACTION_SETTINGS_SLICE_REQUESTED),
+                        mLoggingArgumentCatpor.capture());
+        final Pair<Integer, Object> capturedLoggingPair = mLoggingArgumentCatpor.getValue();
+
+        assertThat(capturedLoggingPair.first)
+                .isEqualTo(MetricsEvent.FIELD_SETTINGS_PREFERENCE_CHANGE_NAME);
+        assertThat(capturedLoggingPair.second)
+                .isEqualTo(data.getKey());
         assertThat(slice).isNotNull();
     }
 
     @Test
     public void testUnavailableUnknownSlice_validTitleSummary() {
-        SliceData data = getDummyData(FakeUnavailablePreferenceController.class.getName());
+        final SliceData data = getDummyData(FakeUnavailablePreferenceController.class.getName());
         Settings.System.putInt(mContext.getContentResolver(),
                 FakeUnavailablePreferenceController.AVAILABILITY_KEY,
                 BasePreferenceController.UNAVAILABLE_UNKNOWN);
 
-        Slice slice = SliceBuilderUtils.buildSlice(mContext, data);
+        final Slice slice = SliceBuilderUtils.buildSlice(mContext, data);
 
+        verify(mFeatureFactory.metricsFeatureProvider)
+                .action(eq(mContext), eq(MetricsEvent.ACTION_SETTINGS_SLICE_REQUESTED),
+                        mLoggingArgumentCatpor.capture());
+
+        final Pair<Integer, Object> capturedLoggingPair = mLoggingArgumentCatpor.getValue();
+
+        assertThat(capturedLoggingPair.first)
+                .isEqualTo(MetricsEvent.FIELD_SETTINGS_PREFERENCE_CHANGE_NAME);
+        assertThat(capturedLoggingPair.second)
+                .isEqualTo(data.getKey());
         assertThat(slice).isNotNull();
     }
 
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowOs.java b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowOs.java
new file mode 100644
index 0000000..d1ac84c
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowOs.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.testutils.shadow;
+
+import static android.system.OsConstants.AF_INET;
+import static android.system.OsConstants.AF_INET6;
+
+import android.system.Os;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.regex.Pattern;
+
+@Implements(Os.class)
+public class ShadowOs {
+    // These are not actually correct, but good enough for the test
+    private static final Pattern IPV4_PATTERN =
+        Pattern.compile("^\\d{1,3}(\\.\\d{1,3}){3}$");
+    private static final Pattern IPV6_PATTERN =
+        Pattern.compile("^[0-9a-f]{1,4}(:[0-9a-f]{0,4}){0,6}$");
+
+    private static final byte[] IPV4_BYTES = new byte[4];
+    private static final byte[] IPV6_BYTES = new byte[16];
+
+    @Implementation
+    public static InetAddress inet_pton(int family, String address) {
+        if ((AF_INET  == family && IPV4_PATTERN.matcher(address).find()) ||
+            (AF_INET6 == family && IPV6_PATTERN.matcher(address).find())) {
+            try {
+                return InetAddress.getByAddress((AF_INET == family) ? IPV4_BYTES : IPV6_BYTES);
+            } catch (UnknownHostException uhe) {
+                // Shouldn't be reached.
+            }
+        }
+        return null;
+    }
+}