Update configure notifications screen

Test: atest
Bug: 153150072
Change-Id: I99ebe2cad5036a154c40bce54dbd6ddbd23c2323
diff --git a/res/xml/configure_notification_settings.xml b/res/xml/configure_notification_settings.xml
index cb8357b..0123ee5 100644
--- a/res/xml/configure_notification_settings.xml
+++ b/res/xml/configure_notification_settings.xml
@@ -25,16 +25,41 @@
         settings:controller="com.android.settings.widget.VideoPreferenceController"
         android:persistent="false" />
 
-    <!-- Empty category to draw divider -->
-    <PreferenceCategory
-        android:key="all_notifications_divider"
-        android:order="2"/>
+    <Preference
+        android:key="notification_history"
+        android:title="@string/notification_history"
+        android:summary="@string/notification_history_summary"
+        settings:allowDividerAbove="true"
+        settings:allowDividerBelow="false"
+        android:order="2">
+        <intent
+            android:action="android.intent.action.MAIN"
+            android:targetPackage="com.android.settings"
+            android:targetClass="com.android.settings.notification.history.NotificationHistoryActivity" />
+    </Preference>
+
+    <Preference
+        android:key="conversations"
+        android:title="@string/conversations_category_title"
+        android:summary="@string/manage_conversations"
+        android:order="3"
+        android:fragment="com.android.settings.notification.app.ConversationListSettings"
+    />
+
+    <Preference
+        android:key="notification_bubbles"
+        android:title="@string/notification_bubbles_title"
+        android:summary="@string/notifications_bubble_setting_on_summary"
+        android:order="4"
+        settings:controller="com.android.settings.notification.BubbleSummaryNotificationPreferenceController"
+        android:fragment="com.android.settings.notification.BubbleNotificationSettings"
+    />
 
     <PreferenceCategory
         android:key="recent_notifications_category"
         android:title="@string/recent_notifications"
-        settings:allowDividerAbove="false"
-        android:order="3">
+        settings:allowDividerAbove="true"
+        android:order="5">
         <!-- Placeholder for a list of recent apps -->
 
         <!-- See all apps button -->
@@ -42,7 +67,7 @@
             android:key="all_notifications"
             android:title="@string/notifications_title"
             android:fragment="com.android.settings.applications.manageapplications.ManageApplications"
-            android:order="4"
+            android:order="6"
             settings:searchable="false">
             <extra
                 android:name="classname"
@@ -50,23 +75,6 @@
         </Preference>
     </PreferenceCategory>
 
-    <Preference
-        android:key="conversations"
-        android:title="@string/conversations_category_title"
-        settings:allowDividerAbove="true"
-        android:summary="@string/manage_conversations"
-        android:order="6"
-        android:fragment="com.android.settings.notification.app.ConversationListSettings"
-        />
-
-    <Preference
-        android:key="notification_bubbles"
-        android:title="@string/notification_bubbles_title"
-        android:summary="@string/notifications_bubble_setting_on_summary"
-        android:order="7"
-        settings:controller="com.android.settings.notification.BubbleSummaryNotificationPreferenceController"
-        android:fragment="com.android.settings.notification.BubbleNotificationSettings"
-        />
 
     <PreferenceCategory
         android:key="configure_notifications_lock"
@@ -106,12 +114,6 @@
         settings:initialExpandedChildrenCount="0">
 
         <SwitchPreference
-            android:key="notification_history"
-            android:title="@string/notification_history"
-            android:summary="@string/notification_history_summary"
-            settings:controller="com.android.settings.notification.NotificationHistoryPreferenceController"/>
-
-        <SwitchPreference
             android:key="silent_icons"
             android:title="@string/silent_notifications_status_bar"
             settings:controller="com.android.settings.notification.SilentStatusBarPreferenceController"/>
diff --git a/src/com/android/settings/notification/NotificationHistoryPreferenceController.java b/src/com/android/settings/notification/NotificationHistoryPreferenceController.java
deleted file mode 100644
index 095c1b6..0000000
--- a/src/com/android/settings/notification/NotificationHistoryPreferenceController.java
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * Copyright (C) 2020 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.notification;
-
-import static android.provider.Settings.Secure.NOTIFICATION_HISTORY_ENABLED;
-
-import android.content.ContentResolver;
-import android.content.Context;
-import android.database.ContentObserver;
-import android.net.Uri;
-import android.os.Handler;
-import android.provider.Settings;
-import android.text.TextUtils;
-
-import androidx.annotation.VisibleForTesting;
-import androidx.preference.Preference;
-import androidx.preference.PreferenceScreen;
-
-import com.android.settings.core.PreferenceControllerMixin;
-import com.android.settings.core.TogglePreferenceController;
-import com.android.settingslib.core.lifecycle.LifecycleObserver;
-import com.android.settingslib.core.lifecycle.events.OnPause;
-import com.android.settingslib.core.lifecycle.events.OnResume;
-
-public class NotificationHistoryPreferenceController extends TogglePreferenceController
-        implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener,
-        LifecycleObserver, OnResume, OnPause {
-
-    private static final String TAG = "NotifHistoryPrefContr";
-    @VisibleForTesting
-    static final int ON = 1;
-    @VisibleForTesting
-    static final int OFF = 0;
-
-    private SettingObserver mSettingObserver;
-
-    public NotificationHistoryPreferenceController(Context context, String preferenceKey) {
-        super(context, preferenceKey);
-    }
-
-    @Override
-    public void displayPreference(PreferenceScreen screen) {
-        super.displayPreference(screen);
-        Preference preference = screen.findPreference(NOTIFICATION_HISTORY_ENABLED);
-        if (preference != null) {
-            mSettingObserver = new SettingObserver(preference);
-        }
-    }
-
-    @Override
-    public void onResume() {
-        if (mSettingObserver != null) {
-            mSettingObserver.register(mContext.getContentResolver(), true /* register */);
-        }
-    }
-
-    @Override
-    public void onPause() {
-        if (mSettingObserver != null) {
-            mSettingObserver.register(mContext.getContentResolver(), false /* register */);
-        }
-    }
-
-    @Override
-    public int getAvailabilityStatus() {
-        return AVAILABLE;
-    }
-
-    @Override
-    public boolean isSliceable() {
-        return false;
-    }
-
-    @Override
-    public boolean isChecked() {
-        return Settings.Secure.getInt(mContext.getContentResolver(),
-                NOTIFICATION_HISTORY_ENABLED, ON) == ON;
-    }
-
-    @Override
-    public boolean setChecked(boolean isChecked) {
-        return Settings.Secure.putInt(mContext.getContentResolver(),
-                NOTIFICATION_HISTORY_ENABLED, isChecked ? ON : OFF);
-    }
-
-    class SettingObserver extends ContentObserver {
-
-        private final Uri NOTIFICATION_URI =
-                Settings.Secure.getUriFor(NOTIFICATION_HISTORY_ENABLED);
-
-        private final Preference mPreference;
-
-        public SettingObserver(Preference preference) {
-            super(new Handler());
-            mPreference = preference;
-        }
-
-        public void register(ContentResolver cr, boolean register) {
-            if (register) {
-                cr.registerContentObserver(NOTIFICATION_URI, false, this);
-            } else {
-                cr.unregisterContentObserver(this);
-            }
-        }
-
-        @Override
-        public void onChange(boolean selfChange, Uri uri) {
-            super.onChange(selfChange, uri);
-            if (NOTIFICATION_URI.equals(uri)) {
-                updateState(mPreference);
-            }
-        }
-    }
-}
diff --git a/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java b/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java
index 020cf7a..b4c1815 100644
--- a/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java
+++ b/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java
@@ -66,8 +66,7 @@
 
     private static final String TAG = "RecentNotisCtrl";
     private static final String KEY_PREF_CATEGORY = "recent_notifications_category";
-    @VisibleForTesting
-    static final String KEY_DIVIDER = "all_notifications_divider";
+
     @VisibleForTesting
     static final String KEY_SEE_ALL = "all_notifications";
     private static final int SHOW_RECENT_APP_COUNT = 3;
@@ -86,7 +85,6 @@
 
     private PreferenceCategory mCategory;
     private Preference mSeeAllPref;
-    private Preference mDivider;
     protected List<Integer> mUserIds;
 
     public RecentNotifyingAppsPreferenceController(Context context, NotificationBackend backend,
@@ -130,14 +128,12 @@
         PreferenceControllerMixin.super.updateNonIndexableKeys(keys);
         // Don't index category name into search. It's not actionable.
         keys.add(KEY_PREF_CATEGORY);
-        keys.add(KEY_DIVIDER);
     }
 
     @Override
     public void displayPreference(PreferenceScreen screen) {
         mCategory = screen.findPreference(getPreferenceKey());
         mSeeAllPref = screen.findPreference(KEY_SEE_ALL);
-        mDivider = screen.findPreference(KEY_DIVIDER);
         super.displayPreference(screen);
         refreshUi(mCategory.getContext());
     }
@@ -208,7 +204,6 @@
 
     private void displayOnlyAllAppsLink() {
         mCategory.setTitle(null);
-        mDivider.setVisible(false);
         mSeeAllPref.setTitle(R.string.notifications_title);
         mSeeAllPref.setIcon(null);
         int prefCount = mCategory.getPreferenceCount();
@@ -222,7 +217,6 @@
 
     private void displayRecentApps(Context prefContext, List<NotifyingApp> recentApps) {
         mCategory.setTitle(R.string.recent_notifications);
-        mDivider.setVisible(true);
         mSeeAllPref.setSummary(null);
         mSeeAllPref.setIcon(R.drawable.ic_chevron_right_24dp);
 
diff --git a/tests/robotests/src/com/android/settings/notification/NotificationHistoryPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/NotificationHistoryPreferenceControllerTest.java
deleted file mode 100644
index 249fa17..0000000
--- a/tests/robotests/src/com/android/settings/notification/NotificationHistoryPreferenceControllerTest.java
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Copyright (C) 2020 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.notification;
-
-import static android.provider.Settings.Secure.NOTIFICATION_HISTORY_ENABLED;
-
-import static com.android.settings.notification.NotificationHistoryPreferenceController.OFF;
-import static com.android.settings.notification.NotificationHistoryPreferenceController.ON;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-import android.content.Context;
-import android.provider.Settings;
-
-import androidx.preference.Preference;
-import androidx.preference.PreferenceScreen;
-import androidx.preference.TwoStatePreference;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Answers;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
-
-@RunWith(RobolectricTestRunner.class)
-public class NotificationHistoryPreferenceControllerTest {
-
-    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
-    private Context mContext;
-    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
-    private PreferenceScreen mScreen;
-
-    private NotificationHistoryPreferenceController mController;
-    private Preference mPreference;
-
-    private static final String KEY = "notification_history";
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-        mController = new NotificationHistoryPreferenceController(mContext, KEY);
-        mPreference = new Preference(RuntimeEnvironment.application);
-        mPreference.setKey(mController.getPreferenceKey());
-        when(mScreen.findPreference(mPreference.getKey())).thenReturn(mPreference);
-    }
-
-    @Test
-    public void testIsVisible() {
-        mController.displayPreference(mScreen);
-
-        assertThat(mPreference.isVisible()).isTrue();
-    }
-
-    @Test
-    public void updateState_preferenceSetCheckedWhenSettingIsOn() {
-        final TwoStatePreference preference = mock(TwoStatePreference.class);
-        final Context context = RuntimeEnvironment.application;
-        Settings.Secure.putInt(context.getContentResolver(), NOTIFICATION_HISTORY_ENABLED, ON);
-
-        mController = new NotificationHistoryPreferenceController(context, KEY);
-        mController.updateState(preference);
-
-        verify(preference).setChecked(true);
-    }
-
-    @Test
-    public void updateState_preferenceSetUncheckedWhenSettingIsOff() {
-        final TwoStatePreference preference = mock(TwoStatePreference.class);
-        final Context context = RuntimeEnvironment.application;
-        Settings.Secure.putInt(context.getContentResolver(), NOTIFICATION_HISTORY_ENABLED, OFF);
-
-        mController = new NotificationHistoryPreferenceController(context, KEY);
-        mController.updateState(preference);
-
-        verify(preference).setChecked(false);
-    }
-
-    @Test
-    public void isChecked_settingIsOff_shouldReturnFalse() {
-        Settings.Secure.putInt(mContext.getContentResolver(), NOTIFICATION_HISTORY_ENABLED, OFF);
-
-        assertThat(mController.isChecked()).isFalse();
-    }
-
-    @Test
-    public void isChecked_settingIsOn_shouldReturnTrue() {
-        Settings.Secure.putInt(mContext.getContentResolver(), NOTIFICATION_HISTORY_ENABLED, ON);
-
-        assertThat(mController.isChecked()).isTrue();
-    }
-
-    @Test
-    public void setChecked_setFalse_disablesSetting() {
-        Settings.Secure.putInt(mContext.getContentResolver(), NOTIFICATION_HISTORY_ENABLED, ON);
-
-        mController.setChecked(false);
-        int updatedValue = Settings.Secure.getInt(mContext.getContentResolver(),
-                NOTIFICATION_HISTORY_ENABLED, -1);
-
-        assertThat(updatedValue).isEqualTo(OFF);
-    }
-
-    @Test
-    public void setChecked_setTrue_enablesSetting() {
-        Settings.Secure.putInt(mContext.getContentResolver(), NOTIFICATION_HISTORY_ENABLED, OFF);
-
-        mController.setChecked(true);
-        int updatedValue = Settings.Secure.getInt(mContext.getContentResolver(),
-                NOTIFICATION_HISTORY_ENABLED, -1);
-
-        assertThat(updatedValue).isEqualTo(ON);
-    }
-
-    @Test
-    public void isSliceable_returnsFalse() {
-        assertThat(mController.isSliceable()).isFalse();
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/notification/RecentNotifyingAppsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/RecentNotifyingAppsPreferenceControllerTest.java
index 93bd8dc..6226b9a 100644
--- a/tests/robotests/src/com/android/settings/notification/RecentNotifyingAppsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/RecentNotifyingAppsPreferenceControllerTest.java
@@ -83,8 +83,6 @@
     @Mock
     private Preference mSeeAllPref;
     @Mock
-    private PreferenceCategory mDivider;
-    @Mock
     private UserManager mUserManager;
     @Mock
     private ApplicationsState mAppState;
@@ -120,8 +118,6 @@
 
         when(mScreen.findPreference(RecentNotifyingAppsPreferenceController.KEY_SEE_ALL))
                 .thenReturn(mSeeAllPref);
-        when(mScreen.findPreference(RecentNotifyingAppsPreferenceController.KEY_DIVIDER))
-                .thenReturn(mDivider);
         when(mCategory.getContext()).thenReturn(mContext);
         when(mHost.getActivity()).thenReturn(mActivity);
     }
@@ -132,16 +128,6 @@
     }
 
     @Test
-    public void doNotIndexCategory() {
-        final List<String> nonIndexable = new ArrayList<>();
-
-        mController.updateNonIndexableKeys(nonIndexable);
-
-        assertThat(nonIndexable).containsAllOf(mController.getPreferenceKey(),
-                RecentNotifyingAppsPreferenceController.KEY_DIVIDER);
-    }
-
-    @Test
     public void onDisplayAndUpdateState_shouldRefreshUi() {
         mController = spy(new RecentNotifyingAppsPreferenceController(
                 mContext, null, mIUsageStatsManager, mUserManager, (ApplicationsState) null, null));
@@ -163,7 +149,6 @@
         verify(mCategory).setTitle(null);
         verify(mSeeAllPref).setTitle(R.string.notifications_title);
         verify(mSeeAllPref).setIcon(null);
-        verify(mDivider).setVisible(false);
     }
 
     @Test
@@ -211,7 +196,6 @@
 
         verify(mSeeAllPref).setSummary(null);
         verify(mSeeAllPref).setIcon(R.drawable.ic_chevron_right_24dp);
-        verify(mDivider).setVisible(true);
     }
 
     @Test