Merge "Remove all reference to SmsMirroring in Android Settings."
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 1740b2b..f5c368f 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2893,12 +2893,12 @@
                 <category android:name="android.intent.category.VOICE_LAUNCH" />
             </intent-filter>
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                       android:value="com.android.settings.WifiCallingSettings" />
+                       android:value="com.android.settings.wifi.calling.WifiCallingSettings" />
             <meta-data android:name="com.android.settings.PRIMARY_PROFILE_CONTROLLED"
                        android:value="true" />
         </activity>
 
-        <activity android:name=".wifi.WifiCallingSuggestionActivity"
+        <activity android:name=".wifi.calling.WifiCallingSuggestionActivity"
                   android:label="@string/wifi_calling_settings_title"
                   android:icon="@drawable/ic_settings_wireless">
             <intent-filter>
@@ -2906,7 +2906,7 @@
                 <category android:name="com.android.settings.suggested.category.FIRST_IMPRESSION" />
             </intent-filter>
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                       android:value="com.android.settings.WifiCallingSettings" />
+                       android:value="com.android.settings.wifi.calling.WifiCallingSettings" />
             <meta-data android:name="com.android.settings.dismiss"
                 android:value="10,14,30" />
             <meta-data android:name="com.android.settings.title"
diff --git a/res/values/strings.xml b/res/values/strings.xml
index b1278a6..d7a4586 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -6478,6 +6478,7 @@
     <string name="help_uri_process_stats_apps" translatable="false"></string>
     <string name="help_uri_private_dns" translatable="false"></string>
     <string name="help_uri_about_phone_v2" translatable="false"></string>
+    <string name="help_uri_wifi_calling" translatable="false"></string>
 
     <!-- User account title [CHAR LIMIT=30] -->
     <string name="user_account_title">Account for content</string>
diff --git a/src/com/android/settings/core/gateway/SettingsGateway.java b/src/com/android/settings/core/gateway/SettingsGateway.java
index 76def2c..c75b0c6 100644
--- a/src/com/android/settings/core/gateway/SettingsGateway.java
+++ b/src/com/android/settings/core/gateway/SettingsGateway.java
@@ -28,7 +28,7 @@
 import com.android.settings.TestingSettings;
 import com.android.settings.TetherSettings;
 import com.android.settings.TrustedCredentialsSettings;
-import com.android.settings.WifiCallingSettings;
+import com.android.settings.wifi.calling.WifiCallingSettings;
 import com.android.settings.accessibility.AccessibilitySettings;
 import com.android.settings.accessibility.AccessibilitySettingsForSetupWizard;
 import com.android.settings.accessibility.CaptionPropertiesFragment;
diff --git a/src/com/android/settings/dashboard/DashboardSummary.java b/src/com/android/settings/dashboard/DashboardSummary.java
index 690c795..8ddef1c 100644
--- a/src/com/android/settings/dashboard/DashboardSummary.java
+++ b/src/com/android/settings/dashboard/DashboardSummary.java
@@ -55,7 +55,7 @@
         FocusListener, SuggestionControllerMixin.SuggestionControllerHost {
     public static final boolean DEBUG = false;
     private static final boolean DEBUG_TIMING = false;
-    private static final int MAX_WAIT_MILLIS = 700;
+    private static final int MAX_WAIT_MILLIS = 3000;
     private static final String TAG = "DashboardSummary";
 
     private static final String EXTRA_SCROLL_POSITION = "scroll_position";
diff --git a/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java b/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java
index 8523273..07ffb8a 100644
--- a/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java
+++ b/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java
@@ -37,7 +37,7 @@
 import com.android.settings.password.ScreenLockSuggestionActivity;
 import com.android.settings.support.NewDeviceIntroSuggestionActivity;
 import com.android.settings.wallpaper.WallpaperSuggestionActivity;
-import com.android.settings.wifi.WifiCallingSuggestionActivity;
+import com.android.settings.wifi.calling.WifiCallingSuggestionActivity;
 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
 import com.android.settingslib.drawer.Tile;
 import com.android.settingslib.suggestions.SuggestionControllerMixin;
diff --git a/src/com/android/settings/datetime/timezone/TimeZoneAdapter.java b/src/com/android/settings/datetime/timezone/TimeZoneAdapter.java
index 79075ca..62fc8c9 100644
--- a/src/com/android/settings/datetime/timezone/TimeZoneAdapter.java
+++ b/src/com/android/settings/datetime/timezone/TimeZoneAdapter.java
@@ -35,6 +35,7 @@
 import java.util.Collections;
 import java.util.Date;
 import java.util.List;
+import java.util.Locale;
 
 /**
  * Adapter for showing {@link TimeZoneInfo} objects in a recycler view.
@@ -55,7 +56,11 @@
     TimeZoneAdapter(View.OnClickListener onClickListener, Context context) {
         mOnClickListener = onClickListener;
         mContext = context;
-        mTimeFormat = DateFormat.getTimeInstance(SimpleDateFormat.SHORT);
+        // Use android.text.format.DateFormat to observe 24-hour settings and find the best pattern
+        // using ICU with skeleton.
+        mTimeFormat = new SimpleDateFormat(
+                android.text.format.DateFormat.getTimeFormatString(context),
+                Locale.getDefault());
         mDateFormat = DateFormat.getDateInstance(SimpleDateFormat.MEDIUM);
         mDateFormat.setContext(DisplayContext.CAPITALIZATION_NONE);
         mCurrentTimeZone = TimeZone.getDefault().getID();
diff --git a/src/com/android/settings/fuelgauge/InactiveApps.java b/src/com/android/settings/fuelgauge/InactiveApps.java
index f91a5c6..ac09a57 100644
--- a/src/com/android/settings/fuelgauge/InactiveApps.java
+++ b/src/com/android/settings/fuelgauge/InactiveApps.java
@@ -16,12 +16,21 @@
 
 package com.android.settings.fuelgauge;
 
+import static android.app.usage.UsageStatsManager.STANDBY_BUCKET_ACTIVE;
+import static android.app.usage.UsageStatsManager.STANDBY_BUCKET_EXEMPTED;
+import static android.app.usage.UsageStatsManager.STANDBY_BUCKET_FREQUENT;
+import static android.app.usage.UsageStatsManager.STANDBY_BUCKET_NEVER;
+import static android.app.usage.UsageStatsManager.STANDBY_BUCKET_RARE;
+import static android.app.usage.UsageStatsManager.STANDBY_BUCKET_WORKING_SET;
+
 import android.app.usage.UsageStatsManager;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
+import android.content.res.Resources;
 import android.os.Bundle;
+import android.support.v7.preference.ListPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.Preference.OnPreferenceClickListener;
 import android.support.v7.preference.PreferenceGroup;
@@ -29,10 +38,22 @@
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.widget.RadioButtonPreference;
 
 import java.util.List;
 
-public class InactiveApps extends SettingsPreferenceFragment implements OnPreferenceClickListener {
+public class InactiveApps extends SettingsPreferenceFragment
+        implements Preference.OnPreferenceChangeListener {
+
+    private static final CharSequence[] SETTABLE_BUCKETS_NAMES =
+            {"ACTIVE", "WORKING_SET", "FREQUENT", "RARE"};
+
+    private static final CharSequence[] SETTABLE_BUCKETS_VALUES = {
+            Integer.toString(STANDBY_BUCKET_ACTIVE),
+            Integer.toString(STANDBY_BUCKET_WORKING_SET),
+            Integer.toString(STANDBY_BUCKET_FREQUENT),
+            Integer.toString(STANDBY_BUCKET_RARE)
+    };
 
     private UsageStatsManager mUsageStats;
 
@@ -68,29 +89,51 @@
         List<ResolveInfo> apps = pm.queryIntentActivities(launcherIntent, 0);
         for (ResolveInfo app : apps) {
             String packageName = app.activityInfo.applicationInfo.packageName;
-            Preference p = new Preference(getPrefContext());
+            ListPreference p = new ListPreference(getPrefContext());
             p.setTitle(app.loadLabel(pm));
             p.setIcon(app.loadIcon(pm));
             p.setKey(packageName);
+            p.setEntries(SETTABLE_BUCKETS_NAMES);
+            p.setEntryValues(SETTABLE_BUCKETS_VALUES);
             updateSummary(p);
-            p.setOnPreferenceClickListener(this);
+            p.setOnPreferenceChangeListener(this);
 
             screen.addPreference(p);
         }
     }
 
-    private void updateSummary(Preference p) {
-        boolean inactive = mUsageStats.isAppInactive(p.getKey());
-        p.setSummary(inactive
-                ? R.string.inactive_app_inactive_summary
-                : R.string.inactive_app_active_summary);
+    static String bucketToName(int bucket) {
+        switch (bucket) {
+            case STANDBY_BUCKET_EXEMPTED: return "EXEMPTED";
+            case STANDBY_BUCKET_ACTIVE: return "ACTIVE";
+            case STANDBY_BUCKET_WORKING_SET: return "WORKING_SET";
+            case STANDBY_BUCKET_FREQUENT: return "FREQUENT";
+            case STANDBY_BUCKET_RARE: return "RARE";
+            case STANDBY_BUCKET_NEVER: return "NEVER";
+        }
+        return "";
+    }
+
+    private void updateSummary(ListPreference p) {
+        final Resources res = getActivity().getResources();
+        final int appBucket = mUsageStats.getAppStandbyBucket(p.getKey());
+        final String bucketName = bucketToName(appBucket);
+        p.setSummary(res.getString(R.string.standby_bucket_summary, bucketName));
+        // Buckets outside of the range of the dynamic ones are only used for special
+        // purposes and can either not be changed out of, or might have undesirable
+        // side-effects in combination with other assumptions.
+        final boolean changeable = appBucket >= STANDBY_BUCKET_ACTIVE
+                && appBucket <= STANDBY_BUCKET_RARE;
+        if (changeable) {
+            p.setValue(Integer.toString(appBucket));
+        }
+        p.setEnabled(changeable);
     }
 
     @Override
-    public boolean onPreferenceClick(Preference preference) {
-        String packageName = preference.getKey();
-        mUsageStats.setAppInactive(packageName, !mUsageStats.isAppInactive(packageName));
-        updateSummary(preference);
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        mUsageStats.setAppStandbyBucket(preference.getKey(), Integer.parseInt((String) newValue));
+        updateSummary((ListPreference) preference);
         return false;
     }
 }
diff --git a/src/com/android/settings/search/actionbar/SearchMenuController.java b/src/com/android/settings/search/actionbar/SearchMenuController.java
index f3a9285..1729ccd 100644
--- a/src/com/android/settings/search/actionbar/SearchMenuController.java
+++ b/src/com/android/settings/search/actionbar/SearchMenuController.java
@@ -28,6 +28,7 @@
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.SearchFeatureProvider;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.ObservableFragment;
 import com.android.settingslib.core.lifecycle.ObservablePreferenceFragment;
 import com.android.settingslib.core.lifecycle.events.OnCreateOptionsMenu;
 
@@ -41,6 +42,10 @@
         host.getLifecycle().addObserver(new SearchMenuController(host));
     }
 
+    public static void init(@NonNull ObservableFragment host) {
+        host.getLifecycle().addObserver(new SearchMenuController(host));
+    }
+
     private SearchMenuController(@NonNull Fragment host) {
         mHost = host;
     }
diff --git a/src/com/android/settings/support/actionbar/HelpMenuController.java b/src/com/android/settings/support/actionbar/HelpMenuController.java
index a95d44e..1188fc2 100644
--- a/src/com/android/settings/support/actionbar/HelpMenuController.java
+++ b/src/com/android/settings/support/actionbar/HelpMenuController.java
@@ -27,6 +27,7 @@
 
 import com.android.settingslib.HelpUtils;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.ObservableFragment;
 import com.android.settingslib.core.lifecycle.ObservablePreferenceFragment;
 import com.android.settingslib.core.lifecycle.events.OnCreateOptionsMenu;
 
@@ -41,6 +42,10 @@
         host.getLifecycle().addObserver(new HelpMenuController(host));
     }
 
+    public static void init(@NonNull ObservableFragment host) {
+        host.getLifecycle().addObserver(new HelpMenuController(host));
+    }
+
     private HelpMenuController(@NonNull Fragment host) {
         mHost = host;
     }
diff --git a/src/com/android/settings/WifiCallingSettings.java b/src/com/android/settings/wifi/calling/WifiCallingSettings.java
similarity index 80%
rename from src/com/android/settings/WifiCallingSettings.java
rename to src/com/android/settings/wifi/calling/WifiCallingSettings.java
index e872fb8..7bab07a 100644
--- a/src/com/android/settings/WifiCallingSettings.java
+++ b/src/com/android/settings/wifi/calling/WifiCallingSettings.java
@@ -14,11 +14,10 @@
  * limitations under the License.
  */
 
-package com.android.settings;
+package com.android.settings.wifi.calling;
 
 import android.app.Fragment;
 import android.app.FragmentManager;
-import android.content.Context;
 import android.os.Bundle;
 import android.support.v13.app.FragmentPagerAdapter;
 import android.telephony.SubscriptionInfo;
@@ -28,9 +27,13 @@
 import android.view.View;
 import android.view.ViewGroup;
 
-import com.android.ims.ImsConfig;
 import com.android.ims.ImsManager;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.R;
+import com.android.settings.core.InstrumentedFragment;
+import com.android.settings.search.actionbar.SearchMenuController;
+import com.android.settings.support.actionbar.HelpMenuController;
+import com.android.settings.support.actionbar.HelpResourceProvider;
 import com.android.settings.widget.RtlCompatibleViewPager;
 import com.android.settings.widget.SlidingTabLayout;
 
@@ -40,7 +43,7 @@
  * "Wi-Fi Calling settings" screen. This is the container fragment which holds
  * {@link WifiCallingSettingsForSub} fragments.
  */
-public class WifiCallingSettings extends SettingsPreferenceFragment {
+public class WifiCallingSettings extends InstrumentedFragment implements HelpResourceProvider {
     private static final String TAG = "WifiCallingSettings";
     private List<SubscriptionInfo> mSil;
 
@@ -71,6 +74,10 @@
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
+        setHasOptionsMenu(true);
+        SearchMenuController.init(this /* host */);
+        HelpMenuController.init(this /* host */);
+
         // TODO: besides in onCreate, we should also update subList when SIM / Sub status
         // changes.
         updateSubList();
@@ -87,6 +94,11 @@
         }
     }
 
+    @Override
+    public int getHelpResource() {
+        return R.string.help_uri_wifi_calling;
+    }
+
     private final class WifiCallingViewPagerAdapter extends FragmentPagerAdapter {
         private final RtlCompatibleViewPager mViewPager;
 
@@ -105,6 +117,7 @@
         public Fragment getItem(int position) {
             Log.d(TAG, "Adapter getItem " + position);
             final Bundle args = new Bundle();
+            args.putBoolean(SearchMenuController.NEED_SEARCH_ICON_IN_ACTION_BAR, false);
             args.putInt(WifiCallingSettingsForSub.FRAGMENT_BUNDLE_SUBID,
                     mSil.get(position).getSubscriptionId());
             WifiCallingSettingsForSub fragment = new WifiCallingSettingsForSub();
@@ -132,26 +145,6 @@
         }
     }
 
-    public static int getWfcModeSummary(Context context, int wfcMode) {
-        int resId = com.android.internal.R.string.wifi_calling_off_summary;
-        if (ImsManager.isWfcEnabledByUser(context)) {
-            switch (wfcMode) {
-                case ImsConfig.WfcModeFeatureValueConstants.WIFI_ONLY:
-                    resId = com.android.internal.R.string.wfc_mode_wifi_only_summary;
-                    break;
-                case ImsConfig.WfcModeFeatureValueConstants.CELLULAR_PREFERRED:
-                    resId = com.android.internal.R.string.wfc_mode_cellular_preferred_summary;
-                    break;
-                case ImsConfig.WfcModeFeatureValueConstants.WIFI_PREFERRED:
-                    resId = com.android.internal.R.string.wfc_mode_wifi_preferred_summary;
-                    break;
-                default:
-                    Log.e(TAG, "Unexpected WFC mode value: " + wfcMode);
-            }
-        }
-        return resId;
-    }
-
     private void updateSubList() {
         mSil = SubscriptionManager.from(getActivity()).getActiveSubscriptionInfoList();
 
@@ -159,7 +152,7 @@
         if (mSil == null) {
             return;
         }
-        for (int i = 0; i < mSil.size();) {
+        for (int i = 0; i < mSil.size(); ) {
             ImsManager imsManager = ImsManager.getInstance(getActivity(),
                     mSil.get(i).getSimSlotIndex());
             if (!imsManager.isWfcEnabledByPlatform()) {
diff --git a/src/com/android/settings/WifiCallingSettingsForSub.java b/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
similarity index 98%
rename from src/com/android/settings/WifiCallingSettingsForSub.java
rename to src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
index ba5ba84..2bfd796 100644
--- a/src/com/android/settings/WifiCallingSettingsForSub.java
+++ b/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.android.settings;
+package com.android.settings.wifi.calling;
 
 import android.app.Activity;
 import android.app.AlertDialog;
@@ -45,6 +45,10 @@
 import com.android.ims.ImsManager;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.internal.telephony.Phone;
+import com.android.settings.R;
+import com.android.settings.SettingsActivity;
+import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.Utils;
 import com.android.settings.widget.SwitchBar;
 
 /**
@@ -54,7 +58,7 @@
 public class WifiCallingSettingsForSub extends SettingsPreferenceFragment
         implements SwitchBar.OnSwitchChangeListener,
         Preference.OnPreferenceChangeListener {
-    private static final String TAG = "WifiCallingSettingsForSub";
+    private static final String TAG = "WifiCallingForSub";
 
     //String keys for preference lookup
     private static final String BUTTON_WFC_MODE = "wifi_calling_mode";
@@ -130,12 +134,6 @@
         }
     };
 
-    @Override
-    public int getHelpResource() {
-        // Helper resource is already defined in the container fragment.
-        return 0;
-    }
-
     private final OnPreferenceClickListener mUpdateAddressListener =
             new OnPreferenceClickListener() {
                 /*
@@ -226,8 +224,7 @@
 
         // SubId should always be specified when creating this fragment. Either through
         // fragment.setArguments() or through savedInstanceState.
-        if (getArguments() != null && getArguments().containsKey(FRAGMENT_BUNDLE_SUBID))
-        {
+        if (getArguments() != null && getArguments().containsKey(FRAGMENT_BUNDLE_SUBID)) {
             mSubId = getArguments().getInt(FRAGMENT_BUNDLE_SUBID);
         } else if (savedInstanceState != null) {
             mSubId = savedInstanceState.getInt(
diff --git a/src/com/android/settings/wifi/WifiCallingSuggestionActivity.java b/src/com/android/settings/wifi/calling/WifiCallingSuggestionActivity.java
similarity index 96%
rename from src/com/android/settings/wifi/WifiCallingSuggestionActivity.java
rename to src/com/android/settings/wifi/calling/WifiCallingSuggestionActivity.java
index c3c7adb..9a50a83 100644
--- a/src/com/android/settings/wifi/WifiCallingSuggestionActivity.java
+++ b/src/com/android/settings/wifi/calling/WifiCallingSuggestionActivity.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.android.settings.wifi;
+package com.android.settings.wifi.calling;
 
 import android.content.Context;
 
diff --git a/tests/robotests/assets/grandfather_not_implementing_indexable b/tests/robotests/assets/grandfather_not_implementing_indexable
index 5a3c044..748dc94 100644
--- a/tests/robotests/assets/grandfather_not_implementing_indexable
+++ b/tests/robotests/assets/grandfather_not_implementing_indexable
@@ -60,8 +60,7 @@
 com.android.settings.applications.appinfo.PictureInPictureDetails
 com.android.settings.ApnSettings
 com.android.settings.PrivacySettings
-com.android.settings.WifiCallingSettings
-com.android.settings.WifiCallingSettingsForSub
+com.android.settings.wifi.calling.WifiCallingSettingsForSub
 com.android.settings.password.SetupChooseLockGeneric$SetupChooseLockGenericFragment
 com.android.settings.SetupRedactionInterstitial$SetupRedactionInterstitialFragment
 com.android.settings.security.trustagent.TrustAgentSettings
diff --git a/tests/robotests/src/com/android/settings/datetime/timezone/TimeZoneAdapterTest.java b/tests/robotests/src/com/android/settings/datetime/timezone/TimeZoneAdapterTest.java
index 5f29a0b..1377f1d 100644
--- a/tests/robotests/src/com/android/settings/datetime/timezone/TimeZoneAdapterTest.java
+++ b/tests/robotests/src/com/android/settings/datetime/timezone/TimeZoneAdapterTest.java
@@ -15,13 +15,18 @@
  */
 package com.android.settings.datetime.timezone;
 
+import android.content.Context;
 import android.icu.util.TimeZone;
+import android.provider.Settings;
 import android.text.TextUtils;
 import android.view.View;
 import android.widget.FrameLayout;
+
 import com.android.settings.TestConfig;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.SettingsShadowResources;
+
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -29,8 +34,11 @@
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
 
 import java.util.Collections;
+import java.util.Locale;
 
 import static com.google.common.truth.Truth.assertThat;
 
@@ -38,17 +46,39 @@
 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION,
         shadows = {
                 SettingsShadowResources.class,
-                SettingsShadowResources.SettingsShadowTheme.class})
+                SettingsShadowResources.SettingsShadowTheme.class,
+                TimeZoneAdapterTest.ShadowDataFormat.class})
 public class TimeZoneAdapterTest {
     @Mock
     private View.OnClickListener mOnClickListener;
 
     private TimeZoneAdapter mTimeZoneAdapter;
 
+    private Context mContext;
+    private Locale mDefaultLocale;
+
     @Before
-    public void setUp() {
+    public void setUp() throws Exception {
         MockitoAnnotations.initMocks(this);
-        mTimeZoneAdapter = new TimeZoneAdapter(mOnClickListener, RuntimeEnvironment.application);
+        mContext = RuntimeEnvironment.application;
+        mTimeZoneAdapter = new TimeZoneAdapter(mOnClickListener, mContext);
+        mDefaultLocale = Locale.getDefault();
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        Locale.setDefault(mDefaultLocale);
+    }
+
+    @Implements(android.text.format.DateFormat.class)
+    public static class ShadowDataFormat {
+
+        public static String mTimeFormatString = "";
+
+        @Implementation
+        public static String getTimeFormatString(Context context) {
+            return mTimeFormatString;
+        }
     }
 
     @Test
@@ -89,6 +119,38 @@
         assertThat(viewHolder.mDstView.getVisibility()).isEqualTo(View.GONE);
     }
 
+    @Test
+    public void bindViewHolder_on24Hour() {
+        Locale.setDefault(Locale.US);
+        ShadowDataFormat.mTimeFormatString = "HH:mm";
+        mTimeZoneAdapter = new TimeZoneAdapter(mOnClickListener, mContext);
+
+        final TimeZoneInfo tzi = dummyTimeZoneInfo(TimeZone.getTimeZone("Etc/UTC"));
+        mTimeZoneAdapter.setTimeZoneInfos(Collections.singletonList(tzi));
+
+        final FrameLayout parent = new FrameLayout(RuntimeEnvironment.application);
+
+        final ViewHolder viewHolder = (ViewHolder) mTimeZoneAdapter.createViewHolder(parent, TimeZoneAdapter.VIEW_TYPE_NORMAL);
+        mTimeZoneAdapter.bindViewHolder(viewHolder, 0);
+        assertThat(viewHolder.mTimeView.getText().toString()).hasLength(5);
+    }
+
+    @Test
+    public void bindViewHolder_on12Hour() {
+        Locale.setDefault(Locale.US);
+        ShadowDataFormat.mTimeFormatString = "hh:mm a";
+        mTimeZoneAdapter = new TimeZoneAdapter(mOnClickListener, mContext);
+
+        final TimeZoneInfo tzi = dummyTimeZoneInfo(TimeZone.getTimeZone("Etc/UTC"));
+        mTimeZoneAdapter.setTimeZoneInfos(Collections.singletonList(tzi));
+
+        final FrameLayout parent = new FrameLayout(RuntimeEnvironment.application);
+
+        final ViewHolder viewHolder = (ViewHolder) mTimeZoneAdapter.createViewHolder(parent, TimeZoneAdapter.VIEW_TYPE_NORMAL);
+        mTimeZoneAdapter.bindViewHolder(viewHolder, 0);
+        assertThat(viewHolder.mTimeView.getText().toString()).hasLength(8);
+    }
+
     // Pick an arbitrary time zone that's not the current default.
     private static TimeZone getNonDefaultTimeZone() {
         final String[] availableIDs = TimeZone.getAvailableIDs();
diff --git a/tests/robotests/src/com/android/settings/search/actionbar/SearchMenuControllerTest.java b/tests/robotests/src/com/android/settings/search/actionbar/SearchMenuControllerTest.java
index e1c77cd..d6e8c63 100644
--- a/tests/robotests/src/com/android/settings/search/actionbar/SearchMenuControllerTest.java
+++ b/tests/robotests/src/com/android/settings/search/actionbar/SearchMenuControllerTest.java
@@ -18,6 +18,7 @@
 
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyZeroInteractions;
 import static org.mockito.Mockito.when;
 
 import android.os.Bundle;
@@ -27,6 +28,7 @@
 import com.android.settings.R;
 import com.android.settings.TestConfig;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settingslib.core.lifecycle.ObservableFragment;
 import com.android.settingslib.core.lifecycle.ObservablePreferenceFragment;
 
 import org.junit.Before;
@@ -42,26 +44,47 @@
 
     @Mock
     private Menu mMenu;
-    private TestFragment mHost;
+    private TestPreferenceFragment mPreferenceHost;
+    private ObservableFragment mHost;
 
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
-        mHost = new TestFragment();
+        mHost = new ObservableFragment();
+        mPreferenceHost = new TestPreferenceFragment();
+
+        when(mMenu.add(Menu.NONE, Menu.NONE, 0 /* order */, R.string.search_menu))
+                .thenReturn(mock(MenuItem.class));
     }
 
     @Test
-    public void init_shouldAddMenu() {
-        when(mMenu.add(Menu.NONE, Menu.NONE, 0 /* order */, R.string.search_menu))
-                .thenReturn(mock(MenuItem.class));
+    public void init_prefFragment_shouldAddMenu() {
+        SearchMenuController.init(mPreferenceHost);
+        mPreferenceHost.getLifecycle().onCreateOptionsMenu(mMenu, null /* inflater */);
 
+        verify(mMenu).add(Menu.NONE, Menu.NONE, 0 /* order */, R.string.search_menu);
+    }
+
+    @Test
+    public void init_observableFragment_shouldAddMenu() {
         SearchMenuController.init(mHost);
         mHost.getLifecycle().onCreateOptionsMenu(mMenu, null /* inflater */);
 
         verify(mMenu).add(Menu.NONE, Menu.NONE, 0 /* order */, R.string.search_menu);
     }
 
-    public static class TestFragment extends ObservablePreferenceFragment {
+    @Test
+    public void init_doNotNeedSearchIcon_shouldNotAddMenu() {
+        final Bundle args = new Bundle();
+        args.putBoolean(SearchMenuController.NEED_SEARCH_ICON_IN_ACTION_BAR, false);
+        mHost.setArguments(args);
+
+        SearchMenuController.init(mHost);
+        mHost.getLifecycle().onCreateOptionsMenu(mMenu, null /* inflater */);
+        verifyZeroInteractions(mMenu);
+    }
+
+    public static class TestPreferenceFragment extends ObservablePreferenceFragment {
 
         @Override
         public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
diff --git a/tests/robotests/src/com/android/settings/suggestions/SettingsSuggestionsTest.java b/tests/robotests/src/com/android/settings/suggestions/SettingsSuggestionsTest.java
index 677bf41..9dff925 100644
--- a/tests/robotests/src/com/android/settings/suggestions/SettingsSuggestionsTest.java
+++ b/tests/robotests/src/com/android/settings/suggestions/SettingsSuggestionsTest.java
@@ -68,7 +68,7 @@
 
     @Test
     public void wifiCallingSuggestion_isValid() {
-        assertSuggestionEquals("com.android.settings.wifi.WifiCallingSuggestionActivity",
+        assertSuggestionEquals("com.android.settings.wifi.calling.WifiCallingSuggestionActivity",
                 CATEGORY_FIRST_IMPRESSION,
                 R.string.wifi_calling_suggestion_title, R.string.wifi_calling_suggestion_summary);
     }
diff --git a/tests/unit/AndroidManifest.xml b/tests/unit/AndroidManifest.xml
index b22c01b..eccbac3 100644
--- a/tests/unit/AndroidManifest.xml
+++ b/tests/unit/AndroidManifest.xml
@@ -53,6 +53,15 @@
             <meta-data android:name="com.android.settings.summary" android:resource="@string/manufacturer_settings_summary" />
             <meta-data android:name="com.android.settings.icon" android:resource="@drawable/ic_settings_applications" />
         </activity>
+
+        <service android:name="com.android.settings.accounts.TestAuthService">
+            <intent-filter>
+                <action android:name="android.accounts.AccountAuthenticator" />
+            </intent-filter>
+            <meta-data android:name="android.accounts.AccountAuthenticator"
+                       android:resource="@xml/authenticator" />
+        </service>
+
     </application>
 
     <instrumentation android:name="android.support.test.runner.AndroidJUnitRunner"
diff --git a/tests/unit/res/values/strings.xml b/tests/unit/res/values/strings.xml
index 35e201a..620bb04 100644
--- a/tests/unit/res/values/strings.xml
+++ b/tests/unit/res/values/strings.xml
@@ -28,4 +28,7 @@
     <string name="manufacturer_hello" translatable="false">Hello Manufacturer!</string>
     <string name="manufacturer_settings_title" translatable="false">Manufacturer</string>
     <string name="manufacturer_settings_summary" translatable="false">Manufacturer hook that can be used to start activity of choice</string>
+    <string name="account_auth_label" translatable="false">Settings Test Account</string>
+    <string name="account_type" translatable="false">com.settingstest.account-prefs</string>
+    <string name="account_pref_title" translatable="false">Test preference for external account</string>
 </resources>
diff --git a/tests/unit/res/xml/account_preferences.xml b/tests/unit/res/xml/account_preferences.xml
new file mode 100644
index 0000000..b391759
--- /dev/null
+++ b/tests/unit/res/xml/account_preferences.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2018 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <SwitchPreference
+        android:key="account_test_switch"
+        android:title="@string/account_pref_title" />
+
+</PreferenceScreen>
+
diff --git a/tests/unit/res/xml/authenticator.xml b/tests/unit/res/xml/authenticator.xml
new file mode 100644
index 0000000..92bf774
--- /dev/null
+++ b/tests/unit/res/xml/authenticator.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2018 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<account-authenticator
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:label="@string/account_auth_label"
+    android:icon="@drawable/ic_settings_applications"
+    android:accountType="@string/account_type"
+    android:accountPreferences="@xml/account_preferences" />
+
diff --git a/tests/unit/src/com/android/settings/accounts/AccountsSettingsTest.java b/tests/unit/src/com/android/settings/accounts/AccountsSettingsTest.java
new file mode 100644
index 0000000..7218efe
--- /dev/null
+++ b/tests/unit/src/com/android/settings/accounts/AccountsSettingsTest.java
@@ -0,0 +1,90 @@
+/*
+ * 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.accounts;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.content.Context;
+import android.content.Intent;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
+import android.support.test.uiautomator.UiDevice;
+import android.support.test.uiautomator.UiObject;
+import android.support.test.uiautomator.UiSelector;
+import android.support.test.uiautomator.UiScrollable;
+import android.support.test.uiautomator.UiObjectNotFoundException;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class AccountsSettingsTest {
+
+    private static final String ACCOUNTS = "Accounts";
+    private static final String ACCOUNT_TYPE = "com.settingstest.account-prefs";
+    private static final String PREF_TITLE = "Test preference for external account";
+
+    private UiDevice mDevice;
+    private Context mContext;
+    private String mTargetPackage;
+
+    @Before
+    public void setUp() {
+        mDevice = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation());
+        mContext = InstrumentationRegistry.getTargetContext();
+        mTargetPackage = mContext.getPackageName();
+    }
+
+    @Test
+    public void testExternalAccountInfoExists() throws UiObjectNotFoundException {
+        // add a test account
+        final String testAccountName = "Test Account";
+        final Account account = new Account(testAccountName, ACCOUNT_TYPE);
+        final AccountManager accountManager = AccountManager.get(mContext);
+        final boolean accountAdded =
+            accountManager.addAccountExplicitly(account, null /* password */, null /* userdata */);
+        assertThat(accountAdded).isTrue();
+
+        // launch Accounts Settings and select the test account
+        launchAccountsSettings();
+        mDevice.findObject(new UiSelector().text(testAccountName)).click();
+        final UiObject testPreference = mDevice.findObject(new UiSelector().text(PREF_TITLE));
+        // remove test account
+        accountManager.removeAccountExplicitly(account);
+
+        assertThat(testPreference.exists()).isTrue();
+    }
+
+    private void launchAccountsSettings() throws UiObjectNotFoundException  {
+        // launch settings
+        Intent settingsIntent = new Intent(Intent.ACTION_MAIN)
+            .addCategory(Intent.CATEGORY_LAUNCHER)
+            .setPackage(mTargetPackage)
+            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        mContext.startActivity(settingsIntent);
+        // selects Accounts
+        final UiScrollable settings = new UiScrollable(
+                new UiSelector().packageName(mTargetPackage).scrollable(true));
+        final String titleAccounts = ACCOUNTS;
+        settings.scrollTextIntoView(titleAccounts);
+        mDevice.findObject(new UiSelector().text(titleAccounts)).click();
+    }
+}
diff --git a/tests/unit/src/com/android/settings/accounts/Authenticator.java b/tests/unit/src/com/android/settings/accounts/Authenticator.java
new file mode 100644
index 0000000..a2413dc
--- /dev/null
+++ b/tests/unit/src/com/android/settings/accounts/Authenticator.java
@@ -0,0 +1,74 @@
+/*
+ * 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.accounts;
+
+import android.accounts.AbstractAccountAuthenticator;
+import android.accounts.Account;
+import android.accounts.AccountAuthenticatorResponse;
+import android.accounts.AccountManager;
+import android.accounts.NetworkErrorException;
+import android.content.Context;
+import android.os.Bundle;
+
+public class Authenticator extends AbstractAccountAuthenticator {
+
+    public Authenticator(Context context) {
+        super(context);
+    }
+
+    @Override
+    public Bundle editProperties(AccountAuthenticatorResponse r, String s) {
+        return null;
+    }
+
+    @Override
+    public Bundle addAccount(AccountAuthenticatorResponse r, String s, String s2, String[] strings,
+            Bundle bundle) throws NetworkErrorException {
+        final Bundle result = new Bundle();
+        result.putString(AccountManager.KEY_ACCOUNT_NAME, "Test Account");
+        result.putString(AccountManager.KEY_ACCOUNT_TYPE, s);
+        return result;
+    }
+
+    @Override
+    public Bundle confirmCredentials(AccountAuthenticatorResponse r, Account account, Bundle bundle)
+            throws NetworkErrorException {
+        return null;
+    }
+
+    @Override
+    public Bundle getAuthToken(AccountAuthenticatorResponse r, Account account, String s,
+            Bundle bundle) throws NetworkErrorException {
+        return null;
+    }
+
+    @Override
+    public String getAuthTokenLabel(String s) {
+        return s;
+    }
+
+    @Override
+    public Bundle updateCredentials(AccountAuthenticatorResponse r, Account account, String s,
+            Bundle bundle) throws NetworkErrorException {
+        return null;
+    }
+
+    @Override
+    public Bundle hasFeatures(AccountAuthenticatorResponse r, Account account, String[] strings)
+            throws NetworkErrorException {
+        return null;
+    }
+}
diff --git a/tests/unit/src/com/android/settings/accounts/TestAuthService.java b/tests/unit/src/com/android/settings/accounts/TestAuthService.java
new file mode 100644
index 0000000..574e9b5
--- /dev/null
+++ b/tests/unit/src/com/android/settings/accounts/TestAuthService.java
@@ -0,0 +1,36 @@
+/*
+ * 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.accounts;
+
+import android.app.Service;
+import android.content.Intent;
+import android.os.IBinder;
+
+public class TestAuthService extends Service {
+
+    private Authenticator mAuthenticator;
+
+    @Override
+    public void onCreate() {
+        mAuthenticator = new Authenticator(this);
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return mAuthenticator.getIBinder();
+    }
+
+}