From 50c0fa136ce54dab58a0eb1dd094f9ced6e39a5e Mon Sep 17 00:00:00 2001
From: Preston O'Neal <prestononeal@google.com>
Date: Thu, 21 Nov 2019 22:09:53 +0000
Subject: [PATCH] Revert "Add settings for scheduling dark theme"

This reverts commit 7141b142dfb21433d8a9465d38f6b7f714a0adbc.

Reason for revert: This is breaking builds on git_qt-qpr1-dev

Change-Id: I7766826d3fc86a12fc8411b027a52eceb5a66019
---
 res/layout/dark_ui_activation_button.xml      |  40 -----
 res/values/arrays.xml                         |   8 -
 res/values/strings.xml                        |  35 ----
 res/xml/dark_mode_settings.xml                |  49 ------
 res/xml/dark_ui_settings.xml                  |  24 +++
 res/xml/display_settings.xml                  |  16 +-
 src/com/android/settings/DisplaySettings.java |   2 +
 .../display/DarkUIPreferenceController.java   |  32 ++--
 ...arkModeActivationPreferenceController.java | 115 -------------
 .../display/darkmode/DarkModeObserver.java    |  80 ---------
 .../display/darkmode/DarkModePreference.java  |  75 ---------
 .../DarkModeScheduleSelectorController.java   |  82 ---------
 .../darkmode/DarkModeSettingsFragment.java    |  81 ---------
 .../DarkUIPreferenceControllerTest.java       |  24 ++-
 ...odeActivationPreferenceControllerTest.java | 155 ------------------
 .../darkmode/DarkModeObserverTest.java        |  66 --------
 ...arkModeScheduleSelectorControllerTest.java |  90 ----------
 17 files changed, 71 insertions(+), 903 deletions(-)
 delete mode 100644 res/layout/dark_ui_activation_button.xml
 delete mode 100644 res/xml/dark_mode_settings.xml
 create mode 100644 res/xml/dark_ui_settings.xml
 delete mode 100644 src/com/android/settings/display/darkmode/DarkModeActivationPreferenceController.java
 delete mode 100644 src/com/android/settings/display/darkmode/DarkModeObserver.java
 delete mode 100644 src/com/android/settings/display/darkmode/DarkModePreference.java
 delete mode 100644 src/com/android/settings/display/darkmode/DarkModeScheduleSelectorController.java
 delete mode 100644 src/com/android/settings/display/darkmode/DarkModeSettingsFragment.java
 delete mode 100644 tests/robotests/src/com/android/settings/display/darkmode/DarkModeActivationPreferenceControllerTest.java
 delete mode 100644 tests/robotests/src/com/android/settings/display/darkmode/DarkModeObserverTest.java
 delete mode 100644 tests/robotests/src/com/android/settings/display/darkmode/DarkModeScheduleSelectorControllerTest.java

diff --git a/res/layout/dark_ui_activation_button.xml b/res/layout/dark_ui_activation_button.xml
deleted file mode 100644
index 5f9eefcded2..00000000000
--- a/res/layout/dark_ui_activation_button.xml
+++ /dev/null
@@ -1,40 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  Copyright (C) 2019 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.
-  -->
-
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:minHeight="?android:attr/listPreferredItemHeight">
-
-    <Button
-        android:id="@+id/dark_ui_turn_on_button"
-        style="@style/ActionPrimaryButton"
-        android:layout_marginStart="@dimen/screen_margin_sides"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical" />
-
-    <Button
-        android:id="@+id/dark_ui_turn_off_button"
-        style="@style/ActionSecondaryButton"
-        android:layout_marginStart="@dimen/screen_margin_sides"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical" />
-
-</LinearLayout>
\ No newline at end of file
diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index ef75d031ccc..65d9c2e76ec 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -100,14 +100,6 @@
         <item>1800000</item>
     </string-array>
 
-    <!-- Dark theme scheduling preferences  [CHAR LIMIT=NONE] -->
-    <string-array name="dark_ui_scheduler_preference_titles">
-        <!-- 1: None -->
-        <item>@string/dark_ui_auto_mode_never</item>
-        <!-- 2: Auto -->
-        <item>@string/dark_ui_auto_mode_auto</item>
-    </string-array>
-
     <!-- Security settings.  The delay after screen is turned off until device locks.
          These are shown in a list dialog. -->
     <string-array name="lock_after_timeout_entries">
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 192f7ea9cdb..be604f408bc 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2917,40 +2917,6 @@
     <!-- Night display slice screen, subtitle of intensity setting when night light is off. [CHAR LIMIT=30] -->
     <string name="night_display_not_currently_on">Night Light not currently on</string>
 
-    <!--    Dark ui screen-->
-    <!-- Display settings screen, activation button action for manual mode. [CHAR LIMIT=40] -->
-    <string name="dark_ui_activation_on_manual">Turn on now</string>
-    <!-- Display settings screen, deactivation button action for manual mode. [CHAR LIMIT=40] -->
-    <string name="dark_ui_activation_off_manual">Turn off now</string>
-    <!-- Display settings screen, activation button action for sunset-to-sunrise schedule [CHAR LIMIT=40] -->
-    <string name="dark_ui_activation_on_auto">Turn on until sunrise</string>
-    <!-- Display settings screen, deactivation button action for sunset-to-sunrise schedule [CHAR LIMIT=40] -->
-    <string name="dark_ui_activation_off_auto">Turn off until sunset</string>
-    <!-- Dark UI screen, setting option name to enable Dark UI [CHAR LIMIT=30] -->
-    <string name="dark_ui_title">Dark Mode</string>
-    <!-- Dark UI screen, setting option name to configure whether Dark UI turn on/off automatically. [CHAR LIMIT=30] -->
-    <string name="dark_ui_auto_mode_title">Schedule</string>
-    <!-- Dark UI screen, setting option value for Dark UI to *never* turn on/off automatically. [CHAR LIMIT=30] -->
-    <string name="dark_ui_auto_mode_never">None</string>
-    <!-- Dark UIscreen, setting option value for Dark UI to turn on/off automatically at sunset/sunrise. [CHAR LIMIT=32] -->
-    <string name="dark_ui_auto_mode_auto">Turns on from sunset to sunrise</string>
-    <!-- Dark UIscreen, setting option name controlling the current activation status. [CHAR LIMIT=30] -->
-    <string name="dark_ui_status_title">Status</string>
-    <!-- Display settings screen, summary format of Dark UI when off. [CHAR LIMIT=NONE] -->
-    <string name="dark_ui_summary_off">Off / <xliff:g name="auto_mode_summary" example="Never turn on automatically">%1$s</xliff:g></string>
-    <!-- Display settings screen, summary of Dark UI when off and will *never* turn on automatically. [CHAR LIMIT=NONE] -->
-    <string name="dark_ui_summary_off_auto_mode_never">Will never turn on automatically</string>
-    <!-- Display settings screen, summary of Dark UI when off and will turn on automatically at sunset. [CHAR LIMIT=NONE] -->
-    <string name="dark_ui_summary_off_auto_mode_auto">Will turn on automatically at sunset</string>
-    <!-- Display settings screen, summary format of Dark UI when on. [CHAR LIMIT=NONE] -->
-    <string name="dark_ui_summary_on">On / <xliff:g name="auto_mode_summary" example="Never turn off automatically">%1$s</xliff:g></string>
-    <!-- Display settings screen, summary of Dark UI when on and will *never* turn off automatically. [CHAR LIMIT=NONE] -->
-    <string name="dark_ui_summary_on_auto_mode_never">Will never turn off automatically</string>
-    <!-- Display settings screen, summary of Dark UI when on and will turn off automatically at sunrise. [CHAR LIMIT=NONE] -->
-    <string name="dark_ui_summary_on_auto_mode_auto">Will turn off automatically at sunrise</string>
-    <!-- Dark theme screen, description of Dark theme feature. [CHAR LIMIT=NONE] -->
-    <string name="dark_ui_text">Dark theme uses true black to help keep your battery alive longer. Dark theme schedules wait to turn on until your screen is off.</string>
-
     <!-- Sound & display settings screen, setting option name to change screen timeout -->
     <string name="screen_timeout">Screen timeout</string>
     <!-- Sound & display settings screen, setting option name to change screen timeout [CHAR LIMIT=30] -->
@@ -7074,7 +7040,6 @@
     <string name="help_url_connected_devices" translatable="false"></string>
     <string name="help_url_apps_and_notifications" translatable="false"></string>
     <string name="help_url_night_display" translatable="false"></string>
-    <string name="help_url_dark_theme" translatable="false"></string>
     <string name="help_url_screen_saver" translatable="false"></string>
     <string name="help_url_pickup_gesture" translatable="false"></string>
     <string name="help_url_storage_dashboard" translatable="false"></string>
diff --git a/res/xml/dark_mode_settings.xml b/res/xml/dark_mode_settings.xml
deleted file mode 100644
index 9247a0c3788..00000000000
--- a/res/xml/dark_mode_settings.xml
+++ /dev/null
@@ -1,49 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2019 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"
-    xmlns:settings="http://schemas.android.com/apk/res-auto"
-    android:title="@string/dark_ui_mode"
-    android:key="dark_ui_mode_screen"
-    settings:keywords="@string/keywords_dark_ui_mode">
-
-    <DropDownPreference
-        android:key="dark_ui_auto_mode"
-        android:title="@string/dark_ui_auto_mode_title"
-        android:summary="%s"
-        android:entries="@array/dark_ui_scheduler_preference_titles"
-        android:entryValues="@array/dark_ui_scheduler_preference_titles"
-        settings:controller="com.android.settings.display.darkmode.DarkModeScheduleSelectorController"
-        settings:keywords="@string/keywords_dark_ui_mode"/>
-
-    <com.android.settingslib.widget.LayoutPreference
-        android:key="dark_ui_activated"
-        android:title="@string/dark_ui_title"
-        android:selectable="false"
-        android:layout="@layout/dark_ui_activation_button"
-        settings:allowDividerBelow="true"
-        settings:controller="com.android.settings.display.darkmode.DarkModeActivationPreferenceController"
-        settings:keywords="@string/keywords_dark_ui_mode"/>
-
-    <com.android.settingslib.widget.FooterPreference
-            android:key="dark_ui_footer"
-            android:title="@string/dark_ui_text"
-            android:selectable="false"
-            settings:searchable="false"
-            settings:allowDividerAbove="true"/>
-
-</PreferenceScreen>
\ No newline at end of file
diff --git a/res/xml/dark_ui_settings.xml b/res/xml/dark_ui_settings.xml
new file mode 100644
index 00000000000..1f11ebae94d
--- /dev/null
+++ b/res/xml/dark_ui_settings.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2019 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"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
+    android:title="@string/dark_ui_mode"
+    android:key="dark_ui_mode_screen"
+    settings:staticPreferenceLocation="append"
+    settings:keywords="@string/keywords_dark_ui_mode">
+</PreferenceScreen >
diff --git a/res/xml/display_settings.xml b/res/xml/display_settings.xml
index 9bc67108459..c45e6a2ae10 100644
--- a/res/xml/display_settings.xml
+++ b/res/xml/display_settings.xml
@@ -31,15 +31,6 @@
         <intent android:action="com.android.intent.action.SHOW_BRIGHTNESS_DIALOG" />
     </com.android.settingslib.RestrictedPreference>
 
-    <com.android.settings.display.darkmode.DarkModePreference
-        android:key="dark_ui_mode"
-        android:title="@string/dark_ui_mode"
-        android:fragment="com.android.settings.display.darkmode.DarkModeSettingsFragment"
-        android:widgetLayout="@null"
-        settings:widgetLayout="@null"
-        settings:controller="com.android.settings.display.DarkUIPreferenceController"
-        settings:searchable="false"/>
-
     <com.android.settings.display.NightDisplayPreference
         android:key="night_display"
         android:title="@string/night_display_title"
@@ -63,6 +54,13 @@
         settings:controller="com.android.settings.display.WallpaperPreferenceController">
     </com.android.settingslib.RestrictedPreference>
 
+
+    <SwitchPreference
+        android:key="dark_ui_mode"
+        android:title="@string/dark_ui_mode"
+        settings:keywords="@string/keywords_dark_ui_mode"
+        settings:controller="com.android.settings.display.DarkUIPreferenceController"/>
+
     <!-- Cross-listed item, if you change this, also change it in power_usage_summary.xml -->
     <com.android.settings.display.TimeoutListPreference
         android:key="screen_timeout"
diff --git a/src/com/android/settings/DisplaySettings.java b/src/com/android/settings/DisplaySettings.java
index 06e469435d7..eb77d4a3492 100644
--- a/src/com/android/settings/DisplaySettings.java
+++ b/src/com/android/settings/DisplaySettings.java
@@ -24,6 +24,7 @@ import android.provider.SearchIndexableResource;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.display.BrightnessLevelPreferenceController;
 import com.android.settings.display.CameraGesturePreferenceController;
+import com.android.settings.display.DarkUIPreferenceController;
 import com.android.settings.display.LiftToWakePreferenceController;
 import com.android.settings.display.NightDisplayPreferenceController;
 import com.android.settings.display.NightModePreferenceController;
@@ -66,6 +67,7 @@ public class DisplaySettings extends DashboardFragment {
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
+        use(DarkUIPreferenceController.class).setParentFragment(this);
     }
 
     @Override
diff --git a/src/com/android/settings/display/DarkUIPreferenceController.java b/src/com/android/settings/display/DarkUIPreferenceController.java
index dfbe69ee86a..d3d30b50221 100644
--- a/src/com/android/settings/display/DarkUIPreferenceController.java
+++ b/src/com/android/settings/display/DarkUIPreferenceController.java
@@ -21,7 +21,6 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.content.res.Configuration;
 import android.os.PowerManager;
 import android.provider.Settings;
 
@@ -29,10 +28,10 @@ import androidx.annotation.VisibleForTesting;
 import androidx.fragment.app.Fragment;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.R;
 import com.android.settings.core.TogglePreferenceController;
-import com.android.settings.display.darkmode.DarkModePreference;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
 import com.android.settingslib.core.lifecycle.events.OnStart;
 import com.android.settingslib.core.lifecycle.events.OnStop;
@@ -45,7 +44,7 @@ public class DarkUIPreferenceController extends TogglePreferenceController imple
     public static final int DIALOG_SEEN = 1;
 
     @VisibleForTesting
-    Preference mPreference;
+    SwitchPreference mPreference;
 
     private UiModeManager mUiModeManager;
     private PowerManager mPowerManager;
@@ -69,8 +68,7 @@ public class DarkUIPreferenceController extends TogglePreferenceController imple
 
     @Override
     public boolean isChecked() {
-         return (mContext.getResources().getConfiguration().uiMode
-                 & Configuration.UI_MODE_NIGHT_YES) != 0;
+        return mUiModeManager.getNightMode() == UiModeManager.MODE_NIGHT_YES;
     }
 
     @Override
@@ -94,7 +92,10 @@ public class DarkUIPreferenceController extends TogglePreferenceController imple
             showDarkModeDialog();
             return false;
         }
-        return mUiModeManager.setNightModeActivated(isChecked);
+        mUiModeManager.setNightMode(isChecked
+                ? UiModeManager.MODE_NIGHT_YES
+                : UiModeManager.MODE_NIGHT_NO);
+        return true;
     }
 
     private void showDarkModeDialog() {
@@ -112,10 +113,12 @@ public class DarkUIPreferenceController extends TogglePreferenceController imple
         boolean isBatterySaver = isPowerSaveMode();
         mPreference.setEnabled(!isBatterySaver);
         if (isBatterySaver) {
-            int stringId = isChecked()
+            int stringId = mUiModeManager.getNightMode() == UiModeManager.MODE_NIGHT_YES
                     ? R.string.dark_ui_mode_disabled_summary_dark_theme_on
                     : R.string.dark_ui_mode_disabled_summary_dark_theme_off;
             mPreference.setSummary(mContext.getString(stringId));
+        } else {
+            mPreference.setSummary(null);
         }
     }
 
@@ -124,17 +127,22 @@ public class DarkUIPreferenceController extends TogglePreferenceController imple
         return mPowerManager.isPowerSaveMode();
     }
 
+
+    @VisibleForTesting
+    void setUiModeManager(UiModeManager uiModeManager) {
+        mUiModeManager = uiModeManager;
+    }
+
+    public void setParentFragment(Fragment fragment) {
+        mFragment = fragment;
+    }
+
     @Override
     public void onStart() {
         mContext.registerReceiver(mReceiver,
                 new IntentFilter(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED));
     }
 
-    // used by AccessibilitySettings
-    public void setParentFragment(Fragment fragment) {
-        mFragment = fragment;
-    }
-
     @Override
     public void onStop() {
         mContext.unregisterReceiver(mReceiver);
diff --git a/src/com/android/settings/display/darkmode/DarkModeActivationPreferenceController.java b/src/com/android/settings/display/darkmode/DarkModeActivationPreferenceController.java
deleted file mode 100644
index 98d4b14cd99..00000000000
--- a/src/com/android/settings/display/darkmode/DarkModeActivationPreferenceController.java
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (C) 2019 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.display.darkmode;
-
-import android.app.UiModeManager;
-import android.content.Context;
-import android.content.res.Configuration;
-import android.view.View;
-import android.widget.Button;
-import androidx.preference.Preference;
-import androidx.preference.PreferenceScreen;
-import com.android.settings.R;
-import com.android.settings.core.BasePreferenceController;
-import com.android.settingslib.widget.LayoutPreference;
-
-/**
- * Controller for activate/deactivate night mode button
- */
-public class DarkModeActivationPreferenceController extends BasePreferenceController {
-    private final UiModeManager mUiModeManager;
-    private Button mTurnOffButton;
-    private Button mTurnOnButton;
-
-    public DarkModeActivationPreferenceController(Context context,
-            String preferenceKey) {
-        super(context, preferenceKey);
-
-        mUiModeManager = context.getSystemService(UiModeManager.class);
-    }
-
-    @Override
-    public final void updateState(Preference preference) {
-        final boolean active = (mContext.getResources().getConfiguration().uiMode
-                & Configuration.UI_MODE_NIGHT_YES) != 0;
-        updateNightMode(active);
-    }
-
-    private void updateNightMode(boolean active) {
-        final int autoMode = mUiModeManager.getNightMode();
-        String buttonText;
-
-        if (autoMode == UiModeManager.MODE_NIGHT_AUTO) {
-            buttonText = mContext.getString(active
-                    ? R.string.dark_ui_activation_off_auto
-                    : R.string.dark_ui_activation_on_auto);
-        } else {
-            buttonText = mContext.getString(active
-                    ? R.string.dark_ui_activation_off_manual
-                    : R.string.dark_ui_activation_on_manual);
-        }
-        if (active) {
-            mTurnOnButton.setVisibility(View.GONE);
-            mTurnOffButton.setVisibility(View.VISIBLE);
-            mTurnOffButton.setText(buttonText);
-        } else {
-            mTurnOnButton.setVisibility(View.VISIBLE);
-            mTurnOffButton.setVisibility(View.GONE);
-            mTurnOnButton.setText(buttonText);
-        }
-    }
-
-    @Override
-    public CharSequence getSummary() {
-        final boolean isActivated = (mContext.getResources().getConfiguration().uiMode
-                & Configuration.UI_MODE_NIGHT_YES) != 0;
-        final int autoMode = mUiModeManager.getNightMode();
-        if (autoMode == UiModeManager.MODE_NIGHT_AUTO) {
-            return mContext.getString(isActivated
-                    ? R.string.dark_ui_summary_on_auto_mode_auto
-                    : R.string.dark_ui_summary_off_auto_mode_auto);
-        } else {
-            return mContext.getString(isActivated
-                    ? R.string.dark_ui_summary_on_auto_mode_never
-                    : R.string.dark_ui_summary_off_auto_mode_never);
-        }
-    }
-
-    private final View.OnClickListener mListener = new View.OnClickListener() {
-        @Override
-        public void onClick(View v) {
-            final boolean active = (mContext.getResources().getConfiguration().uiMode
-                    & Configuration.UI_MODE_NIGHT_YES) != 0;
-            mUiModeManager.setNightModeActivated(!active);
-            updateNightMode(!active);
-        }
-    };
-
-    @Override
-    public void displayPreference(PreferenceScreen screen) {
-        super.displayPreference(screen);
-
-        final LayoutPreference preference = screen.findPreference(getPreferenceKey());
-        mTurnOnButton = preference.findViewById(R.id.dark_ui_turn_on_button);
-        mTurnOnButton.setOnClickListener(mListener);
-        mTurnOffButton = preference.findViewById(R.id.dark_ui_turn_off_button);
-        mTurnOffButton.setOnClickListener(mListener);
-    }
-
-    @Override
-    public int getAvailabilityStatus() {
-        return AVAILABLE;
-    }
-}
diff --git a/src/com/android/settings/display/darkmode/DarkModeObserver.java b/src/com/android/settings/display/darkmode/DarkModeObserver.java
deleted file mode 100644
index 1c076f7dc98..00000000000
--- a/src/com/android/settings/display/darkmode/DarkModeObserver.java
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Copyright (C) 2019 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.display.darkmode;
-
-import android.content.Context;
-import android.database.ContentObserver;
-import android.net.Uri;
-import android.os.Handler;
-import android.os.Looper;
-import android.provider.Settings;
-import com.android.internal.annotations.VisibleForTesting;
-
-/**
- * Observes changes for dark night settings*/
-public class DarkModeObserver {
-    private ContentObserver mContentObserver;
-    private Runnable mCallback;
-    private Context mContext;
-
-    public DarkModeObserver(Context context) {
-        mContext = context;
-        mContentObserver = new ContentObserver(new Handler(Looper.getMainLooper())) {
-            @Override
-            public void onChange(boolean selfChange, Uri uri) {
-                super.onChange(selfChange, uri);
-                final String setting = uri == null ? null : uri.getLastPathSegment();
-                if (setting != null && mCallback != null) {
-                    switch (setting) {
-                        case Settings.Secure.UI_NIGHT_MODE:
-                            mCallback.run();
-                            break;
-                        default:
-                    }
-                }
-            }
-        };
-    }
-
-    /**
-     * subscribe callback when night mode changed in the database
-     *
-     * @param callback the callback that gets triggered when subscribed
-     */
-    public void subscribe(Runnable callback) {
-        callback.run();
-        mCallback = callback;
-        final Uri uri = Settings.Secure.getUriFor(Settings.Secure.UI_NIGHT_MODE);
-        mContext.getContentResolver().registerContentObserver(uri, false, mContentObserver);
-    }
-
-    /**
-     * unsubscribe from dark ui database changes
-     */
-    public void unsubscribe() {
-        mContext.getContentResolver().unregisterContentObserver(mContentObserver);
-        mCallback = null;
-    }
-
-    @VisibleForTesting
-    protected void setContentObserver(ContentObserver co) {
-        mContentObserver = co;
-    }
-
-    @VisibleForTesting
-    protected ContentObserver getContentObserver() {
-        return mContentObserver;
-    }
-}
diff --git a/src/com/android/settings/display/darkmode/DarkModePreference.java b/src/com/android/settings/display/darkmode/DarkModePreference.java
deleted file mode 100644
index 2a8909f9c2c..00000000000
--- a/src/com/android/settings/display/darkmode/DarkModePreference.java
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright (C) 2019 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.display.darkmode;
-
-import android.app.UiModeManager;
-import android.content.Context;
-import android.content.res.Configuration;
-import android.util.AttributeSet;
-import com.android.settings.R;
-import com.android.settings.widget.MasterSwitchPreference;
-
-/**
- * component for the display settings dark ui summary*/
-public class DarkModePreference extends MasterSwitchPreference {
-
-    private UiModeManager mUiModeManager;
-    private DarkModeObserver mDarkModeObserver;
-    private Runnable mCallback;
-
-    public DarkModePreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        mDarkModeObserver = new DarkModeObserver(context);
-        mUiModeManager = context.getSystemService(UiModeManager.class);
-        mCallback = () -> {
-            updateSummary();
-        };
-        mDarkModeObserver.subscribe(mCallback);
-    }
-
-    @Override
-    public void onAttached() {
-        super.onAttached();
-        mDarkModeObserver.subscribe(mCallback);
-    }
-
-    @Override
-    public void onDetached() {
-        super.onDetached();
-        mDarkModeObserver.unsubscribe();
-    }
-
-    private void updateSummary() {
-        final boolean active = (getContext().getResources().getConfiguration().uiMode
-                & Configuration.UI_MODE_NIGHT_YES) != 0;
-        final boolean auto = mUiModeManager.getNightMode() == UiModeManager.MODE_NIGHT_AUTO;
-
-        String detail;
-        if (active) {
-            detail = getContext().getString(auto
-                    ? R.string.dark_ui_summary_on_auto_mode_auto
-                    : R.string.dark_ui_summary_on_auto_mode_never);
-        } else {
-            detail = getContext().getString(auto
-                    ? R.string.dark_ui_summary_off_auto_mode_auto
-                    : R.string.dark_ui_summary_off_auto_mode_never);
-        }
-        String summary = getContext().getString(active
-                ? R.string.dark_ui_summary_on
-                : R.string.dark_ui_summary_off, detail);
-
-        setSummary(summary);
-    }
-}
diff --git a/src/com/android/settings/display/darkmode/DarkModeScheduleSelectorController.java b/src/com/android/settings/display/darkmode/DarkModeScheduleSelectorController.java
deleted file mode 100644
index ab7ea92343f..00000000000
--- a/src/com/android/settings/display/darkmode/DarkModeScheduleSelectorController.java
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Copyright (C) 2019 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.display.darkmode;
-
-import android.app.UiModeManager;
-import android.content.Context;
-import android.content.res.Configuration;
-import androidx.preference.DropDownPreference;
-import androidx.preference.Preference;
-import androidx.preference.PreferenceScreen;
-import com.android.settings.R;
-import com.android.settings.core.BasePreferenceController;
-
-/**
- * Controller for the dark ui option dropdown
- */
-public class DarkModeScheduleSelectorController extends BasePreferenceController
-        implements Preference.OnPreferenceChangeListener {
-
-    private final UiModeManager mUiModeManager;
-    private boolean mPreferenceSet = false;
-    private DropDownPreference mPreference;
-    private String mCurrentMode;
-
-    public DarkModeScheduleSelectorController(Context context, String key) {
-        super(context, key);
-        mUiModeManager = context.getSystemService(UiModeManager.class);
-    }
-
-    @Override
-    public void displayPreference(PreferenceScreen screen) {
-        super.displayPreference(screen);
-
-        mPreference = screen.findPreference(getPreferenceKey());
-    }
-
-    @Override
-    public int getAvailabilityStatus() {
-        return BasePreferenceController.AVAILABLE;
-    }
-
-    @Override
-    public final void updateState(Preference preference) {
-        mCurrentMode =
-                mUiModeManager.getNightMode() == UiModeManager.MODE_NIGHT_AUTO
-                ? mContext.getString(R.string.dark_ui_auto_mode_auto)
-                : mContext.getString(R.string.dark_ui_auto_mode_never);
-        mPreference.setValue(mCurrentMode);
-    }
-    @Override
-    public final boolean onPreferenceChange(Preference preference, Object newValue) {
-        String newMode = (String) newValue;
-        if (newMode == mCurrentMode) {
-            return false;
-        }
-        mCurrentMode = newMode;
-        if (mCurrentMode == mContext.getString(R.string.dark_ui_auto_mode_never)) {
-            boolean active = (mContext.getResources().getConfiguration().uiMode
-                    & Configuration.UI_MODE_NIGHT_YES) != 0;
-            int mode = active ? UiModeManager.MODE_NIGHT_YES
-                    : UiModeManager.MODE_NIGHT_NO;
-            mUiModeManager.setNightMode(mode);
-
-        } else if (mCurrentMode ==
-                mContext.getString(R.string.dark_ui_auto_mode_auto)) {
-            mUiModeManager.setNightMode(UiModeManager.MODE_NIGHT_AUTO);
-        }
-        return true;
-    }
-}
diff --git a/src/com/android/settings/display/darkmode/DarkModeSettingsFragment.java b/src/com/android/settings/display/darkmode/DarkModeSettingsFragment.java
deleted file mode 100644
index 62933166e26..00000000000
--- a/src/com/android/settings/display/darkmode/DarkModeSettingsFragment.java
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright (C) 2019 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.display.darkmode;
-
-import android.content.Context;
-import android.os.Bundle;
-import android.app.settings.SettingsEnums;
-import com.android.settings.R;
-import com.android.settings.dashboard.DashboardFragment;
-import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settingslib.search.SearchIndexable;
-
-/**
- * Settings screen for Dark UI Mode
- */
-@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
-public class DarkModeSettingsFragment extends DashboardFragment {
-
-    private static final String TAG = "DarkModeSettingsFragment";
-    private DarkModeObserver mContentObserver;
-    private Runnable mCallback = () -> {
-        updatePreferenceStates();
-    };
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        final Context context = getContext();
-        mContentObserver = new DarkModeObserver(context);
-    }
-
-    @Override
-    public void onStart() {
-        super.onStart();
-        // Listen for changes only while visible.
-        mContentObserver.subscribe(mCallback);
-    }
-
-    @Override
-    public void onStop() {
-        super.onStop();
-        // Stop listening for state changes.
-        mContentObserver.unsubscribe();
-    }
-
-    @Override
-    protected int getPreferenceScreenResId() {
-        return R.xml.dark_mode_settings;
-    }
-
-    @Override
-    public int getHelpResource() {
-        return R.string.help_url_dark_theme;
-    }
-
-    @Override
-    protected String getLogTag() {
-        return TAG;
-    }
-
-    @Override
-    public int getMetricsCategory() {
-        return SettingsEnums.DARK_UI_SETTINGS;
-    }
-
-    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
-            new BaseSearchIndexProvider(R.xml.dark_mode_settings);
-}
diff --git a/tests/robotests/src/com/android/settings/display/DarkUIPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/display/DarkUIPreferenceControllerTest.java
index 9924cb4b628..3659803cc80 100644
--- a/tests/robotests/src/com/android/settings/display/DarkUIPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/display/DarkUIPreferenceControllerTest.java
@@ -16,9 +16,25 @@
 
 package com.android.settings.display;
 
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import android.content.Context;
+import android.os.Handler;
+import android.os.IPowerManager;
+import android.os.PowerManager;
+
 import androidx.fragment.app.Fragment;
-import com.android.settings.display.darkmode.DarkModePreference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+
+import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -27,10 +43,6 @@ import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 
-import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.spy;
-
 @RunWith(RobolectricTestRunner.class)
 public class DarkUIPreferenceControllerTest {
 
@@ -45,7 +57,7 @@ public class DarkUIPreferenceControllerTest {
         mContext = spy(RuntimeEnvironment.application);
         mController = spy(new DarkUIPreferenceController(mContext, "dark_ui_mode"));
         mController.setParentFragment(mFragment);
-        mController.mPreference = new DarkModePreference(mContext, null /* AttributeSet attrs */);
+        mController.mPreference = new SwitchPreference(mContext);
         mController.onStart();
     }
 
diff --git a/tests/robotests/src/com/android/settings/display/darkmode/DarkModeActivationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/display/darkmode/DarkModeActivationPreferenceControllerTest.java
deleted file mode 100644
index 24cbd0707ca..00000000000
--- a/tests/robotests/src/com/android/settings/display/darkmode/DarkModeActivationPreferenceControllerTest.java
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * Copyright (C) 2019 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.display.darkmode;
-
-import android.app.UiModeManager;
-import android.content.Context;
-import android.content.res.Configuration;
-import android.content.res.Resources;
-import android.view.View;
-import android.widget.Button;
-import androidx.preference.PreferenceScreen;
-import com.android.settings.R;
-import com.android.settingslib.widget.LayoutPreference;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.robolectric.RobolectricTestRunner;
-
-import static org.junit.Assert.assertEquals;
-import static org.mockito.ArgumentMatchers.anyBoolean;
-import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-import static org.mockito.Mockito.eq;
-
-@RunWith(RobolectricTestRunner.class)
-public class DarkModeActivationPreferenceControllerTest {
-    private DarkModeActivationPreferenceController mController;
-    private String mPreferenceKey = "key";
-    @Mock
-    private LayoutPreference mPreference;
-    @Mock
-    private PreferenceScreen mScreen;
-    @Mock
-    private Resources res;
-    @Mock
-    private Context mContext;
-    @Mock
-    private UiModeManager mService;
-    @Mock
-    private Button mTurnOffButton;
-    @Mock
-    private Button mTurnOnButton;
-
-    private Configuration configNightYes = new Configuration();
-    private Configuration configNightNo = new Configuration();;
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-        mService = mock(UiModeManager.class);
-        when(mContext.getResources()).thenReturn(res);
-        when(mContext.getSystemService(UiModeManager.class)).thenReturn(mService);
-        when(mScreen.findPreference(anyString())).thenReturn(mPreference);
-        when(mPreference.findViewById(
-                eq(R.id.dark_ui_turn_on_button))).thenReturn(mTurnOnButton);
-        when(mPreference.findViewById(
-                eq(R.id.dark_ui_turn_off_button))).thenReturn(mTurnOffButton);
-        when(mService.setNightModeActivated(anyBoolean())).thenReturn(true);
-        when(mContext.getString(
-                R.string.dark_ui_activation_off_auto)).thenReturn("off_auto");
-        when(mContext.getString(
-                R.string.dark_ui_activation_on_auto)).thenReturn("on_auto");
-        when(mContext.getString(
-                R.string.dark_ui_activation_off_manual)).thenReturn("off_manual");
-        when(mContext.getString(
-                R.string.dark_ui_activation_on_manual)).thenReturn("on_manual");
-        when(mContext.getString(
-                R.string.dark_ui_summary_off_auto_mode_auto)).thenReturn("summary_off_auto");
-        when(mContext.getString(
-                R.string.dark_ui_summary_on_auto_mode_auto)).thenReturn("summary_on_auto");
-        when(mContext.getString(
-                R.string.dark_ui_summary_off_auto_mode_never)).thenReturn("summary_off_manual");
-        when(mContext.getString(
-                R.string.dark_ui_summary_on_auto_mode_never)).thenReturn("summary_on_manual");
-        mController = new DarkModeActivationPreferenceController(mContext, mPreferenceKey);
-        mController.displayPreference(mScreen);
-        configNightNo.uiMode = Configuration.UI_MODE_NIGHT_NO;
-        configNightYes.uiMode = Configuration.UI_MODE_NIGHT_YES;
-    }
-
-    @Test
-    public void nightMode_toggleButton_offManual() {
-        when(mService.getNightMode()).thenReturn(UiModeManager.MODE_NIGHT_YES);
-        when(res.getConfiguration()).thenReturn(configNightYes);
-
-        mController.updateState(mPreference);
-
-        verify(mTurnOnButton).setVisibility(eq(View.GONE));
-        verify(mTurnOffButton).setVisibility(eq(View.VISIBLE));
-        verify(mTurnOffButton).setText(eq(mContext.getString(
-                R.string.dark_ui_activation_off_manual)));
-    }
-
-
-    @Test
-    public void nightMode_toggleButton_onAutoWhenModeIsYes() {
-        when(mService.getNightMode()).thenReturn(UiModeManager.MODE_NIGHT_YES);
-        when(res.getConfiguration()).thenReturn(configNightNo);
-
-        mController.updateState(mPreference);
-
-        verify(mTurnOffButton).setVisibility(eq(View.GONE));
-        verify(mTurnOnButton).setVisibility(eq(View.VISIBLE));
-        verify(mTurnOnButton).setText(eq(mContext.getString(
-                R.string.dark_ui_activation_on_manual)));
-    }
-
-    @Test
-    public void nightMode_toggleButton_onAutoWhenModeIsAuto() {
-        when(mService.getNightMode()).thenReturn(UiModeManager.MODE_NIGHT_AUTO);
-        when(res.getConfiguration()).thenReturn(configNightNo);
-
-        mController.updateState(mPreference);
-
-        verify(mTurnOffButton).setVisibility(eq(View.GONE));
-        verify(mTurnOnButton).setVisibility(eq(View.VISIBLE));
-        verify(mTurnOnButton).setText(eq(mContext.getString(
-                R.string.dark_ui_activation_on_auto)));
-    }
-
-    @Test
-    public void nightModeSummary_buttonText_onManual() {
-        when(mService.getNightMode()).thenReturn(UiModeManager.MODE_NIGHT_NO);
-        when(res.getConfiguration()).thenReturn(configNightYes);
-
-        assertEquals(mController.getSummary(), mContext.getString(
-                R.string.dark_ui_summary_on_auto_mode_never));
-    }
-
-    @Test
-    public void nightModeSummary_buttonText_offAuto() {
-        when(mService.getNightMode()).thenReturn(UiModeManager.MODE_NIGHT_AUTO);
-        when(res.getConfiguration()).thenReturn(configNightNo);
-
-        assertEquals(mController.getSummary(), mContext.getString(
-                R.string.dark_ui_summary_off_auto_mode_auto));
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/display/darkmode/DarkModeObserverTest.java b/tests/robotests/src/com/android/settings/display/darkmode/DarkModeObserverTest.java
deleted file mode 100644
index dfa8ba118e4..00000000000
--- a/tests/robotests/src/com/android/settings/display/darkmode/DarkModeObserverTest.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright (C) 2019 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.display.darkmode;
-
-import android.content.Context;
-import android.database.ContentObserver;
-import android.net.Uri;
-import android.provider.Settings;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mockito;
-import org.mockito.MockitoAnnotations;
-import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
-
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.times;
-
-
-@RunWith(RobolectricTestRunner.class)
-public class DarkModeObserverTest {
-    private Context mContext;
-    private ContentObserver mContentObserver;
-    private DarkModeObserver mDarkModeObserver;
-    private Runnable mCallback;
-    private Uri mUri = Settings.Secure.getUriFor(Settings.Secure.UI_NIGHT_MODE);
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-        mContext = spy(RuntimeEnvironment.application);
-        mDarkModeObserver = new DarkModeObserver(mContext);
-        mContentObserver = mDarkModeObserver.getContentObserver();
-        mCallback = mock(Runnable.class);
-    }
-
-    @Test
-    public void callbackTest_subscribedCallbackCalled() {
-        mDarkModeObserver.subscribe(mCallback);
-        mContentObserver.onChange(false, mUri);
-        Mockito.verify(mCallback, times(2)).run();
-    }
-
-    @Test
-    public void callbackTest_unsubscribedCallNotbackCalled() {
-        mDarkModeObserver.subscribe(mCallback);
-        mContentObserver.onChange(false, mUri);
-        mDarkModeObserver.unsubscribe();
-        mContentObserver.onChange(false, mUri);
-        Mockito.verify(mCallback, times(2)).run();
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/display/darkmode/DarkModeScheduleSelectorControllerTest.java b/tests/robotests/src/com/android/settings/display/darkmode/DarkModeScheduleSelectorControllerTest.java
deleted file mode 100644
index a844fec0959..00000000000
--- a/tests/robotests/src/com/android/settings/display/darkmode/DarkModeScheduleSelectorControllerTest.java
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * Copyright (C) 2019 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.display.darkmode;
-
-import android.app.UiModeManager;
-import android.content.Context;
-import androidx.preference.DropDownPreference;
-import androidx.preference.PreferenceScreen;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
-import com.android.settings.R;
-
-import static junit.framework.TestCase.assertFalse;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.ArgumentMatchers.anyBoolean;
-import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-@RunWith(RobolectricTestRunner.class)
-public class DarkModeScheduleSelectorControllerTest {
-    private DarkModeScheduleSelectorController mController;
-    private String mPreferenceKey = "key";
-    @Mock
-    private DropDownPreference mPreference;
-    @Mock
-    private PreferenceScreen mScreen;
-    private Context mContext;
-    @Mock
-    private UiModeManager mService;
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-        mContext = spy(RuntimeEnvironment.application);
-        when(mContext.getSystemService(UiModeManager.class)).thenReturn(mService);
-        when(mContext.getString(R.string.dark_ui_auto_mode_never)).thenReturn("never");
-        when(mContext.getString(R.string.dark_ui_auto_mode_auto)).thenReturn("auto");
-        mPreference = spy(new DropDownPreference(mContext));
-        when(mScreen.findPreference(anyString())).thenReturn(mPreference);
-        when(mService.setNightModeActivated(anyBoolean())).thenReturn(true);
-        mController = new DarkModeScheduleSelectorController(mContext, mPreferenceKey);
-    }
-
-    @Test
-    public void nightMode_preferenceChange_preferenceChangeTrueWhenChangedOnly() {
-        when(mService.getNightMode()).thenReturn(UiModeManager.MODE_NIGHT_YES);
-        mController.displayPreference(mScreen);
-        boolean changed = mController
-                .onPreferenceChange(mScreen, mContext.getString(R.string.dark_ui_auto_mode_auto));
-        assertTrue(changed);
-        changed = mController
-                .onPreferenceChange(mScreen, mContext.getString(R.string.dark_ui_auto_mode_auto));
-        assertFalse(changed);
-    }
-
-    @Test
-    public void nightMode_updateStateNone_dropDownValueChangedToNone() {
-        when(mService.getNightMode()).thenReturn(UiModeManager.MODE_NIGHT_YES);
-        mController.displayPreference(mScreen);
-        mController.updateState(mPreference);
-        verify(mPreference).setValue(mContext.getString(R.string.dark_ui_auto_mode_never));
-    }
-
-    @Test
-    public void nightMode_updateStateNone_dropDownValueChangedToAuto() {
-        when(mService.getNightMode()).thenReturn(UiModeManager.MODE_NIGHT_AUTO);
-        mController.displayPreference(mScreen);
-        mController.updateState(mPreference);
-        verify(mPreference).setValue(mContext.getString(R.string.dark_ui_auto_mode_auto));
-    }
-}