Merge "Redesign the update logic of Allow Background Usage Page." into main
diff --git a/res/xml/power_background_usage_detail.xml b/res/xml/power_background_usage_detail.xml
index 5c7b6a5..32d80b5 100644
--- a/res/xml/power_background_usage_detail.xml
+++ b/res/xml/power_background_usage_detail.xml
@@ -25,22 +25,25 @@
         android:layout="@layout/settings_entity_header"
         android:selectable="false"/>
 
-    <com.android.settingslib.widget.MainSwitchPreference
-        android:key="allow_background_usage"
-        android:title="@string/manager_battery_usage_allow_background_usage_title"
-        settings:controller="com.android.settings.fuelgauge.AllowBackgroundPreferenceController"/>
+    <PreferenceCategory
+        android:key="battery_optimization_mode_category"
+        android:layout="@layout/settingslib_preference_category_no_title"
+        settings:controller="com.android.settings.fuelgauge.BatteryOptimizationModePreferenceController">
 
-    <com.android.settingslib.widget.SelectorWithWidgetPreference
-        android:key="optimized_preference"
-        android:title="@string/manager_battery_usage_optimized_title"
-        android:summary="@string/manager_battery_usage_optimized_summary"
-        settings:controller="com.android.settings.fuelgauge.OptimizedPreferenceController"/>
+        <com.android.settingslib.widget.MainSwitchPreference
+            android:key="background_usage_allowability_switch"
+            android:title="@string/manager_battery_usage_allow_background_usage_title"/>
 
-    <com.android.settingslib.widget.SelectorWithWidgetPreference
-        android:key="unrestricted_preference"
-        android:title="@string/manager_battery_usage_unrestricted_title"
-        android:summary="@string/manager_battery_usage_unrestricted_summary"
-        settings:controller="com.android.settings.fuelgauge.UnrestrictedPreferenceController"/>
+        <com.android.settingslib.widget.SelectorWithWidgetPreference
+            android:key="optimized_preference"
+            android:title="@string/manager_battery_usage_optimized_title"
+            android:summary="@string/manager_battery_usage_optimized_summary"/>
+
+        <com.android.settingslib.widget.SelectorWithWidgetPreference
+            android:key="unrestricted_preference"
+            android:title="@string/manager_battery_usage_unrestricted_title"
+            android:summary="@string/manager_battery_usage_unrestricted_summary"/>
+    </PreferenceCategory>
 
     <com.android.settingslib.widget.FooterPreference
         android:key="app_usage_footer_preference"
diff --git a/res/xml/power_usage_detail.xml b/res/xml/power_usage_detail.xml
index f3b30b6..655dbc5 100644
--- a/res/xml/power_usage_detail.xml
+++ b/res/xml/power_usage_detail.xml
@@ -48,12 +48,12 @@
 
     <PreferenceCategory
         android:title="@string/manager_battery_usage_category_title"
-        android:key="manage_battery_usage_category">
+        android:key="background_usage_allowability_category"
+        settings:controller="com.android.settings.fuelgauge.BackgroundUsageAllowabilityPreferenceController">
 
         <com.android.settingslib.PrimarySwitchPreference
-            android:key="allow_background_usage"
-            android:title="@string/manager_battery_usage_allow_background_usage_title"
-            settings:controller="com.android.settings.fuelgauge.AllowBackgroundPreferenceController"/>
+            android:key="background_usage_allowability_switch"
+            android:title="@string/manager_battery_usage_allow_background_usage_title"/>
 
     </PreferenceCategory>
 
diff --git a/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetail.java b/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetail.java
index e922f70..28d7d58 100644
--- a/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetail.java
+++ b/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetail.java
@@ -26,13 +26,10 @@
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
 
-import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
-import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
@@ -48,7 +45,6 @@
 import com.android.settings.fuelgauge.batteryusage.BatteryEntry;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.widget.EntityHeaderController;
-import com.android.settingslib.PrimarySwitchPreference;
 import com.android.settingslib.applications.AppUtils;
 import com.android.settingslib.applications.ApplicationsState;
 import com.android.settingslib.core.AbstractPreferenceController;
@@ -67,9 +63,7 @@
  * 2. Battery related controls for app(i.e uninstall, force stop)
  */
 public class AdvancedPowerUsageDetail extends DashboardFragment
-        implements ButtonActionDialogFragment.AppButtonsDialogListener,
-                Preference.OnPreferenceClickListener,
-                Preference.OnPreferenceChangeListener {
+        implements ButtonActionDialogFragment.AppButtonsDialogListener {
     public static final String TAG = "AdvancedPowerDetail";
     public static final String EXTRA_UID = "extra_uid";
     public static final String EXTRA_PACKAGE_NAME = "extra_package_name";
@@ -86,7 +80,8 @@
     public static final String EXTRA_POWER_USAGE_AMOUNT = "extra_power_usage_amount";
 
     private static final String KEY_PREF_HEADER = "header_view";
-    private static final String KEY_ALLOW_BACKGROUND_USAGE = "allow_background_usage";
+    private static final String KEY_BACKGROUND_USAGE_ALLOWABILITY_CATEGORY =
+            "background_usage_allowability_category";
 
     private static final int REQUEST_UNINSTALL = 0;
     private static final int REQUEST_REMOVE_DEVICE_ADMIN = 1;
@@ -96,11 +91,9 @@
     private AppButtonsPreferenceController mAppButtonsPreferenceController;
     private PowerUsageTimeController mPowerUsageTimeController;
 
-    @VisibleForTesting LayoutPreference mHeaderPreference;
     @VisibleForTesting ApplicationsState mState;
     @VisibleForTesting ApplicationsState.AppEntry mAppEntry;
     @VisibleForTesting BatteryOptimizeUtils mBatteryOptimizeUtils;
-    @VisibleForTesting PrimarySwitchPreference mAllowBackgroundUsagePreference;
 
     @VisibleForTesting @BatteryOptimizeUtils.OptimizationMode
     int mOptimizationMode = BatteryOptimizeUtils.MODE_UNKNOWN;
@@ -242,17 +235,11 @@
     public void onAttach(Activity activity) {
         super.onAttach(activity);
 
+        final Bundle bundle = getArguments();
+        final int uid = bundle.getInt(EXTRA_UID, 0);
+        final String packageName = bundle.getString(EXTRA_PACKAGE_NAME);
+        mBatteryOptimizeUtils = new BatteryOptimizeUtils(getContext(), uid, packageName);
         mState = ApplicationsState.getInstance(getActivity().getApplication());
-    }
-
-    @Override
-    public void onCreate(Bundle icicle) {
-        super.onCreate(icicle);
-
-        final String packageName = getArguments().getString(EXTRA_PACKAGE_NAME);
-        onCreateBackgroundUsageState(packageName);
-        mHeaderPreference = findPreference(KEY_PREF_HEADER);
-
         if (packageName != null) {
             mAppEntry = mState.getEntry(packageName, UserHandle.myUserId());
         }
@@ -264,7 +251,6 @@
 
         initHeader();
         mOptimizationMode = mBatteryOptimizeUtils.getAppOptimizationMode();
-        initFooter();
         mLogStringBuilder = new StringBuilder("onResume mode = ").append(mOptimizationMode);
     }
 
@@ -299,7 +285,8 @@
 
     @VisibleForTesting
     void initHeader() {
-        final View appSnippet = mHeaderPreference.findViewById(R.id.entity_header);
+        final LayoutPreference headerPreference = findPreference(KEY_PREF_HEADER);
+        final View appSnippet = headerPreference.findViewById(R.id.entity_header);
         final Activity context = getActivity();
         final Bundle bundle = getArguments();
         EntityHeaderController controller =
@@ -340,31 +327,6 @@
         controller.done(true /* rebindActions */);
     }
 
-    @VisibleForTesting
-    void initFooter() {
-        final String stateString;
-        final String detailInfoString;
-        final Context context = getContext();
-
-        if (mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()) {
-            // Present optimized only string when the package name is invalid.
-            stateString = context.getString(R.string.manager_battery_usage_optimized_only);
-            detailInfoString =
-                    context.getString(R.string.manager_battery_usage_footer_limited, stateString);
-        } else if (mBatteryOptimizeUtils.isSystemOrDefaultApp()) {
-            // Present unrestricted only string when the package is system or default active app.
-            stateString = context.getString(R.string.manager_battery_usage_unrestricted_only);
-            detailInfoString =
-                    context.getString(R.string.manager_battery_usage_footer_limited, stateString);
-        } else {
-            // Present default string to normal app.
-            detailInfoString =
-                    context.getString(
-                            R.string.manager_battery_usage_allow_background_usage_summary);
-        }
-        mAllowBackgroundUsagePreference.setSummary(detailInfoString);
-    }
-
     @Override
     public int getMetricsCategory() {
         return SettingsEnums.FUELGAUGE_POWER_USAGE_DETAIL;
@@ -384,7 +346,6 @@
     protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
         final List<AbstractPreferenceController> controllers = new ArrayList<>();
         final Bundle bundle = getArguments();
-        final int uid = bundle.getInt(EXTRA_UID, 0);
         final String packageName = bundle.getString(EXTRA_PACKAGE_NAME);
 
         mAppButtonsPreferenceController =
@@ -401,7 +362,12 @@
             controllers.add(mPowerUsageTimeController);
         }
         controllers.add(mAppButtonsPreferenceController);
-        controllers.add(new AllowBackgroundPreferenceController(context, uid, packageName));
+        controllers.add(
+                new BackgroundUsageAllowabilityPreferenceController(
+                        context,
+                        /* dashboardFragment= */ this,
+                        KEY_BACKGROUND_USAGE_ALLOWABILITY_CATEGORY,
+                        mBatteryOptimizeUtils));
 
         return controllers;
     }
@@ -421,34 +387,6 @@
         }
     }
 
-    @Override
-    public boolean onPreferenceClick(Preference preference) {
-        if (!(preference instanceof PrimarySwitchPreference)
-                || !TextUtils.equals(preference.getKey(), KEY_ALLOW_BACKGROUND_USAGE)) {
-            return false;
-        }
-        PowerBackgroundUsageDetail.startPowerBackgroundUsageDetailPage(
-                getContext(), getArguments());
-        return true;
-    }
-
-    @Override
-    public boolean onPreferenceChange(@NonNull Preference preference, Object newValue) {
-        if (!(preference instanceof PrimarySwitchPreference)
-                || !TextUtils.equals(preference.getKey(), KEY_ALLOW_BACKGROUND_USAGE)) {
-            return false;
-        }
-        if (newValue instanceof Boolean) {
-            final boolean isAllowBackgroundUsage = (boolean) newValue;
-            mBatteryOptimizeUtils.setAppUsageState(
-                    isAllowBackgroundUsage
-                            ? BatteryOptimizeUtils.MODE_OPTIMIZED
-                            : BatteryOptimizeUtils.MODE_RESTRICTED,
-                    Action.APPLY);
-        }
-        return true;
-    }
-
     private void logMetricCategory(int currentOptimizeMode) {
         if (currentOptimizeMode == mOptimizationMode) {
             return;
@@ -482,16 +420,4 @@
                                     getArguments().getInt(EXTRA_POWER_USAGE_AMOUNT));
                 });
     }
-
-    private void onCreateBackgroundUsageState(String packageName) {
-        mAllowBackgroundUsagePreference = findPreference(KEY_ALLOW_BACKGROUND_USAGE);
-        if (mAllowBackgroundUsagePreference != null) {
-            mAllowBackgroundUsagePreference.setOnPreferenceClickListener(this);
-            mAllowBackgroundUsagePreference.setOnPreferenceChangeListener(this);
-        }
-
-        mBatteryOptimizeUtils =
-                new BatteryOptimizeUtils(
-                        getContext(), getArguments().getInt(EXTRA_UID), packageName);
-    }
 }
diff --git a/src/com/android/settings/fuelgauge/AllowBackgroundPreferenceController.java b/src/com/android/settings/fuelgauge/AllowBackgroundPreferenceController.java
deleted file mode 100644
index 52cec795..0000000
--- a/src/com/android/settings/fuelgauge/AllowBackgroundPreferenceController.java
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Copyright (C) 2023 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.fuelgauge;
-
-import android.content.Context;
-
-import androidx.annotation.VisibleForTesting;
-import androidx.preference.Preference;
-
-import com.android.settings.core.PreferenceControllerMixin;
-import com.android.settingslib.PrimarySwitchPreference;
-import com.android.settingslib.core.AbstractPreferenceController;
-import com.android.settingslib.widget.MainSwitchPreference;
-
-/** Controller to update the app background usage state */
-public class AllowBackgroundPreferenceController extends AbstractPreferenceController
-        implements PreferenceControllerMixin {
-
-    private static final String TAG = "AllowBackgroundPreferenceController";
-
-    @VisibleForTesting static final String KEY_ALLOW_BACKGROUND_USAGE = "allow_background_usage";
-
-    @VisibleForTesting BatteryOptimizeUtils mBatteryOptimizeUtils;
-
-    public AllowBackgroundPreferenceController(Context context, int uid, String packageName) {
-        super(context);
-        mBatteryOptimizeUtils = new BatteryOptimizeUtils(context, uid, packageName);
-    }
-
-    private void setChecked(Preference preference, boolean checked) {
-        if (preference instanceof PrimarySwitchPreference) {
-            ((PrimarySwitchPreference) preference).setChecked(checked);
-        } else if (preference instanceof MainSwitchPreference) {
-            ((MainSwitchPreference) preference).setChecked(checked);
-        }
-    }
-
-    private void setEnabled(Preference preference, boolean enabled) {
-        if (preference instanceof PrimarySwitchPreference) {
-            ((PrimarySwitchPreference) preference).setEnabled(enabled);
-            ((PrimarySwitchPreference) preference).setSwitchEnabled(enabled);
-        } else if (preference instanceof MainSwitchPreference) {
-            ((MainSwitchPreference) preference).setEnabled(enabled);
-        }
-    }
-
-    @Override
-    public void updateState(Preference preference) {
-        setEnabled(preference, mBatteryOptimizeUtils.isOptimizeModeMutable());
-
-        final boolean isAllowBackground =
-                mBatteryOptimizeUtils.getAppOptimizationMode()
-                        != BatteryOptimizeUtils.MODE_RESTRICTED;
-        setChecked(preference, isAllowBackground);
-    }
-
-    @Override
-    public boolean isAvailable() {
-        return true;
-    }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_ALLOW_BACKGROUND_USAGE;
-    }
-
-    @Override
-    public boolean handlePreferenceTreeClick(Preference preference) {
-        return getPreferenceKey().equals(preference.getKey());
-    }
-}
diff --git a/src/com/android/settings/fuelgauge/BackgroundUsageAllowabilityPreferenceController.java b/src/com/android/settings/fuelgauge/BackgroundUsageAllowabilityPreferenceController.java
new file mode 100644
index 0000000..bce439b
--- /dev/null
+++ b/src/com/android/settings/fuelgauge/BackgroundUsageAllowabilityPreferenceController.java
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2024 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.fuelgauge;
+
+import android.content.Context;
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settingslib.PrimarySwitchPreference;
+
+/** Controller to update the manage battery usage preference in App Battery Usage page */
+public class BackgroundUsageAllowabilityPreferenceController extends BasePreferenceController
+        implements PreferenceControllerMixin {
+
+    @VisibleForTesting
+    static final String KEY_BACKGROUND_USAGE_ALLOWABILITY_SWITCH =
+            "background_usage_allowability_switch";
+
+    private final BatteryOptimizeUtils mBatteryOptimizeUtils;
+    private final DashboardFragment mDashboardFragment;
+    @Nullable @VisibleForTesting PrimarySwitchPreference mBackgroundUsageAllowabilityPreference;
+
+    public BackgroundUsageAllowabilityPreferenceController(
+            @NonNull Context context,
+            @NonNull DashboardFragment dashboardFragment,
+            @NonNull String preferenceKey,
+            @NonNull BatteryOptimizeUtils batteryOptimizeUtils) {
+        super(context, preferenceKey);
+        mDashboardFragment = dashboardFragment;
+        mBatteryOptimizeUtils = batteryOptimizeUtils;
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public void updateState(@NonNull Preference preference) {
+        updatePreferences(mBatteryOptimizeUtils.getAppOptimizationMode());
+    }
+
+    @Override
+    public void displayPreference(@NonNull PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mBackgroundUsageAllowabilityPreference =
+                screen.findPreference(KEY_BACKGROUND_USAGE_ALLOWABILITY_SWITCH);
+        initPreferences();
+    }
+
+    @VisibleForTesting
+    void initPreferences() {
+        if (mBackgroundUsageAllowabilityPreference == null) {
+            return;
+        }
+        final String stateString;
+        final String detailInfoString;
+        boolean isPreferenceEnabled = true;
+        if (mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()) {
+            // Present "Optimized" only string if the package name is invalid.
+            stateString = mContext.getString(R.string.manager_battery_usage_optimized_only);
+            detailInfoString =
+                    mContext.getString(R.string.manager_battery_usage_footer_limited, stateString);
+            isPreferenceEnabled = false;
+        } else if (mBatteryOptimizeUtils.isSystemOrDefaultApp()) {
+            // Present "Unrestricted" only string if the package is system important apps.
+            stateString = mContext.getString(R.string.manager_battery_usage_unrestricted_only);
+            detailInfoString =
+                    mContext.getString(R.string.manager_battery_usage_footer_limited, stateString);
+            isPreferenceEnabled = false;
+        } else {
+            // Present default string to normal app.
+            detailInfoString =
+                    mContext.getString(
+                            R.string.manager_battery_usage_allow_background_usage_summary);
+        }
+        mBackgroundUsageAllowabilityPreference.setEnabled(isPreferenceEnabled);
+        mBackgroundUsageAllowabilityPreference.setSwitchEnabled(isPreferenceEnabled);
+        mBackgroundUsageAllowabilityPreference.setSummary(detailInfoString);
+        if (isPreferenceEnabled) {
+            mBackgroundUsageAllowabilityPreference.setOnPreferenceClickListener(
+                    preference -> {
+                        PowerBackgroundUsageDetail.startPowerBackgroundUsageDetailPage(
+                                mContext, mDashboardFragment.getArguments());
+                        return true;
+                    });
+            mBackgroundUsageAllowabilityPreference.setOnPreferenceChangeListener(
+                    (preference, isAllowBackground) -> {
+                        handleBatteryOptimizeModeUpdated(
+                                (boolean) isAllowBackground
+                                        ? BatteryOptimizeUtils.MODE_OPTIMIZED
+                                        : BatteryOptimizeUtils.MODE_RESTRICTED);
+                        return true;
+                    });
+        }
+    }
+
+    @VisibleForTesting
+    void handleBatteryOptimizeModeUpdated(int newBatteryOptimizeMode) {
+        if (mBatteryOptimizeUtils.getAppOptimizationMode() == newBatteryOptimizeMode) {
+            Log.w(TAG, "ignore same mode for: " + mBatteryOptimizeUtils.getPackageName());
+            return;
+        }
+        mBatteryOptimizeUtils.setAppUsageState(
+                newBatteryOptimizeMode, BatteryOptimizeHistoricalLogEntry.Action.APPLY);
+        updatePreferences(newBatteryOptimizeMode);
+    }
+
+    @VisibleForTesting
+    void updatePreferences(int optimizationMode) {
+        if (mBackgroundUsageAllowabilityPreference == null) {
+            return;
+        }
+        mBackgroundUsageAllowabilityPreference.setChecked(
+                optimizationMode != BatteryOptimizeUtils.MODE_RESTRICTED);
+    }
+}
diff --git a/src/com/android/settings/fuelgauge/BatteryOptimizationModePreferenceController.java b/src/com/android/settings/fuelgauge/BatteryOptimizationModePreferenceController.java
new file mode 100644
index 0000000..0a4cbac
--- /dev/null
+++ b/src/com/android/settings/fuelgauge/BatteryOptimizationModePreferenceController.java
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2024 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.fuelgauge;
+
+import android.content.Context;
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.widget.MainSwitchPreference;
+import com.android.settingslib.widget.SelectorWithWidgetPreference;
+
+/** Controller to update the app background usage mode state in Allow background usage page */
+public class BatteryOptimizationModePreferenceController extends BasePreferenceController
+        implements PreferenceControllerMixin {
+
+    @VisibleForTesting
+    static final String KEY_BACKGROUND_USAGE_ALLOWABILITY_SWITCH =
+            "background_usage_allowability_switch";
+
+    @VisibleForTesting static final String KEY_OPTIMIZED_PREF = "optimized_preference";
+    @VisibleForTesting static final String KEY_UNRESTRICTED_PREF = "unrestricted_preference";
+
+    private final BatteryOptimizeUtils mBatteryOptimizeUtils;
+    @Nullable @VisibleForTesting MainSwitchPreference mBackgroundUsageAllowabilityPreference;
+    @Nullable @VisibleForTesting SelectorWithWidgetPreference mOptimizedPreference;
+    @Nullable @VisibleForTesting SelectorWithWidgetPreference mUnrestrictedPreference;
+
+    public BatteryOptimizationModePreferenceController(
+            @NonNull Context context,
+            @NonNull String preferenceKey,
+            @NonNull BatteryOptimizeUtils batteryOptimizeUtils) {
+        super(context, preferenceKey);
+        mBatteryOptimizeUtils = batteryOptimizeUtils;
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public void updateState(@NonNull Preference preference) {
+        updatePreferences(mBatteryOptimizeUtils.getAppOptimizationMode());
+    }
+
+    @Override
+    public void displayPreference(@NonNull PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mBackgroundUsageAllowabilityPreference =
+                screen.findPreference(KEY_BACKGROUND_USAGE_ALLOWABILITY_SWITCH);
+        mOptimizedPreference = screen.findPreference(KEY_OPTIMIZED_PREF);
+        mUnrestrictedPreference = screen.findPreference(KEY_UNRESTRICTED_PREF);
+        initPreferences();
+    }
+
+    @VisibleForTesting
+    void initPreferences() {
+        if (mBackgroundUsageAllowabilityPreference == null
+                || mOptimizedPreference == null
+                || mUnrestrictedPreference == null) {
+            return;
+        }
+        final boolean isEnabled = mBatteryOptimizeUtils.isOptimizeModeMutable();
+        mBackgroundUsageAllowabilityPreference.setEnabled(isEnabled);
+        mOptimizedPreference.setEnabled(isEnabled);
+        mUnrestrictedPreference.setEnabled(isEnabled);
+        if (isEnabled) {
+            mBackgroundUsageAllowabilityPreference.setOnPreferenceChangeListener(
+                    (preference, isAllowBackground) -> {
+                        handleBatteryOptimizeModeUpdated(
+                                (boolean) isAllowBackground
+                                        ? BatteryOptimizeUtils.MODE_OPTIMIZED
+                                        : BatteryOptimizeUtils.MODE_RESTRICTED);
+                        return true;
+                    });
+            mOptimizedPreference.setOnPreferenceClickListener(
+                    preference -> {
+                        handleBatteryOptimizeModeUpdated(BatteryOptimizeUtils.MODE_OPTIMIZED);
+                        return true;
+                    });
+            mUnrestrictedPreference.setOnPreferenceClickListener(
+                    preference -> {
+                        handleBatteryOptimizeModeUpdated(BatteryOptimizeUtils.MODE_UNRESTRICTED);
+                        return true;
+                    });
+        }
+    }
+
+    @VisibleForTesting
+    void updatePreferences(int optimizationMode) {
+        if (mBackgroundUsageAllowabilityPreference == null
+                || mOptimizedPreference == null
+                || mUnrestrictedPreference == null) {
+            return;
+        }
+        final boolean isAllowBackground = optimizationMode != BatteryOptimizeUtils.MODE_RESTRICTED;
+        mBackgroundUsageAllowabilityPreference.setChecked(isAllowBackground);
+        mOptimizedPreference.setEnabled(isAllowBackground);
+        mUnrestrictedPreference.setEnabled(isAllowBackground);
+        mOptimizedPreference.setChecked(optimizationMode == BatteryOptimizeUtils.MODE_OPTIMIZED);
+        mUnrestrictedPreference.setChecked(
+                optimizationMode == BatteryOptimizeUtils.MODE_UNRESTRICTED);
+    }
+
+    @VisibleForTesting
+    void handleBatteryOptimizeModeUpdated(int newBatteryOptimizeMode) {
+        if (mBatteryOptimizeUtils.getAppOptimizationMode() == newBatteryOptimizeMode) {
+            Log.w(TAG, "ignore same mode for: " + mBatteryOptimizeUtils.getPackageName());
+            return;
+        }
+        mBatteryOptimizeUtils.setAppUsageState(
+                newBatteryOptimizeMode, BatteryOptimizeHistoricalLogEntry.Action.APPLY);
+        updatePreferences(newBatteryOptimizeMode);
+    }
+}
diff --git a/src/com/android/settings/fuelgauge/OptimizedPreferenceController.java b/src/com/android/settings/fuelgauge/OptimizedPreferenceController.java
deleted file mode 100644
index a26ab7a..0000000
--- a/src/com/android/settings/fuelgauge/OptimizedPreferenceController.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright (C) 2021 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.fuelgauge;
-
-import android.content.Context;
-
-import androidx.annotation.VisibleForTesting;
-import androidx.preference.Preference;
-
-import com.android.settings.core.PreferenceControllerMixin;
-import com.android.settingslib.core.AbstractPreferenceController;
-import com.android.settingslib.widget.SelectorWithWidgetPreference;
-
-public class OptimizedPreferenceController extends AbstractPreferenceController
-        implements PreferenceControllerMixin {
-
-    private static final String TAG = "OPTIMIZED_PREF";
-
-    @VisibleForTesting static final String KEY_OPTIMIZED_PREF = "optimized_preference";
-    @VisibleForTesting BatteryOptimizeUtils mBatteryOptimizeUtils;
-
-    public OptimizedPreferenceController(Context context, int uid, String packageName) {
-        super(context);
-        mBatteryOptimizeUtils = new BatteryOptimizeUtils(context, uid, packageName);
-    }
-
-    @Override
-    public boolean isAvailable() {
-        return true;
-    }
-
-    @Override
-    public void updateState(Preference preference) {
-        preference.setEnabled(mBatteryOptimizeUtils.isSelectorPreferenceEnabled());
-
-        final boolean isOptimized =
-                mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()
-                        || mBatteryOptimizeUtils.getAppOptimizationMode()
-                                == BatteryOptimizeUtils.MODE_OPTIMIZED;
-        ((SelectorWithWidgetPreference) preference).setChecked(isOptimized);
-    }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_OPTIMIZED_PREF;
-    }
-
-    @Override
-    public boolean handlePreferenceTreeClick(Preference preference) {
-        return getPreferenceKey().equals(preference.getKey());
-    }
-}
diff --git a/src/com/android/settings/fuelgauge/PowerBackgroundUsageDetail.java b/src/com/android/settings/fuelgauge/PowerBackgroundUsageDetail.java
index e59cc4ad..dadf2e8 100644
--- a/src/com/android/settings/fuelgauge/PowerBackgroundUsageDetail.java
+++ b/src/com/android/settings/fuelgauge/PowerBackgroundUsageDetail.java
@@ -24,11 +24,8 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
-import android.widget.CompoundButton;
-import android.widget.CompoundButton.OnCheckedChangeListener;
 
 import androidx.annotation.VisibleForTesting;
 
@@ -44,8 +41,6 @@
 import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.settingslib.widget.FooterPreference;
 import com.android.settingslib.widget.LayoutPreference;
-import com.android.settingslib.widget.MainSwitchPreference;
-import com.android.settingslib.widget.SelectorWithWidgetPreference;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -53,8 +48,7 @@
 import java.util.concurrent.Executors;
 
 /** Allow background usage fragment for each app */
-public class PowerBackgroundUsageDetail extends DashboardFragment
-        implements SelectorWithWidgetPreference.OnClickListener, OnCheckedChangeListener {
+public class PowerBackgroundUsageDetail extends DashboardFragment {
     private static final String TAG = "PowerBackgroundUsageDetail";
 
     public static final String EXTRA_UID = "extra_uid";
@@ -63,21 +57,15 @@
     public static final String EXTRA_POWER_USAGE_AMOUNT = "extra_power_usage_amount";
     public static final String EXTRA_ICON_ID = "extra_icon_id";
     private static final String KEY_PREF_HEADER = "header_view";
-    private static final String KEY_PREF_UNRESTRICTED = "unrestricted_preference";
-    private static final String KEY_PREF_OPTIMIZED = "optimized_preference";
-    private static final String KEY_ALLOW_BACKGROUND_USAGE = "allow_background_usage";
     private static final String KEY_FOOTER_PREFERENCE = "app_usage_footer_preference";
+    private static final String KEY_BATTERY_OPTIMIZATION_MODE_CATEGORY =
+            "battery_optimization_mode_category";
 
     private final ExecutorService mExecutor = Executors.newSingleThreadExecutor();
 
-    @VisibleForTesting LayoutPreference mHeaderPreference;
     @VisibleForTesting ApplicationsState mState;
     @VisibleForTesting ApplicationsState.AppEntry mAppEntry;
     @VisibleForTesting BatteryOptimizeUtils mBatteryOptimizeUtils;
-    @VisibleForTesting SelectorWithWidgetPreference mOptimizePreference;
-    @VisibleForTesting SelectorWithWidgetPreference mUnrestrictedPreference;
-    @VisibleForTesting MainSwitchPreference mMainSwitchPreference;
-    @VisibleForTesting FooterPreference mFooterPreference;
     @VisibleForTesting StringBuilder mLogStringBuilder;
 
     @VisibleForTesting @BatteryOptimizeUtils.OptimizationMode
@@ -87,17 +75,11 @@
     public void onAttach(Activity activity) {
         super.onAttach(activity);
 
+        final Bundle bundle = getArguments();
+        final int uid = bundle.getInt(EXTRA_UID, 0);
+        final String packageName = bundle.getString(EXTRA_PACKAGE_NAME);
+        mBatteryOptimizeUtils = new BatteryOptimizeUtils(getContext(), uid, packageName);
         mState = ApplicationsState.getInstance(getActivity().getApplication());
-    }
-
-    @Override
-    public void onCreate(Bundle icicle) {
-        super.onCreate(icicle);
-
-        final String packageName = getArguments().getString(EXTRA_PACKAGE_NAME);
-        onCreateBackgroundUsageState(packageName);
-        mHeaderPreference = findPreference(KEY_PREF_HEADER);
-
         if (packageName != null) {
             mAppEntry = mState.getEntry(packageName, UserHandle.myUserId());
         }
@@ -107,8 +89,8 @@
     public void onResume() {
         super.onResume();
         initHeader();
-        mOptimizationMode = mBatteryOptimizeUtils.getAppOptimizationMode();
         initFooter();
+        mOptimizationMode = mBatteryOptimizeUtils.getAppOptimizationMode();
         mLogStringBuilder = new StringBuilder("onResume mode = ").append(mOptimizationMode);
     }
 
@@ -137,34 +119,16 @@
     }
 
     @Override
-    public void onRadioButtonClicked(SelectorWithWidgetPreference selected) {
-        final String selectedKey = selected == null ? null : selected.getKey();
-        updateSelectorPreferenceState(mUnrestrictedPreference, selectedKey);
-        updateSelectorPreferenceState(mOptimizePreference, selectedKey);
-        mBatteryOptimizeUtils.setAppUsageState(getSelectedPreference(), Action.APPLY);
-    }
-
-    @Override
-    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
-        mMainSwitchPreference.setChecked(isChecked);
-        updateSelectorPreference(isChecked);
-    }
-
-    @Override
     public int getMetricsCategory() {
         return SettingsEnums.FUELGAUGE_POWER_USAGE_MANAGE_BACKGROUND;
     }
 
     @Override
     protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
-        final List<AbstractPreferenceController> controllers = new ArrayList<>();
-        final Bundle bundle = getArguments();
-        final int uid = bundle.getInt(EXTRA_UID, 0);
-        final String packageName = bundle.getString(EXTRA_PACKAGE_NAME);
-
-        controllers.add(new AllowBackgroundPreferenceController(context, uid, packageName));
-        controllers.add(new OptimizedPreferenceController(context, uid, packageName));
-        controllers.add(new UnrestrictedPreferenceController(context, uid, packageName));
+        final List<AbstractPreferenceController> controllers = new ArrayList<>(1);
+        controllers.add(
+                new BatteryOptimizationModePreferenceController(
+                        context, KEY_BATTERY_OPTIMIZATION_MODE_CATEGORY, mBatteryOptimizeUtils));
 
         return controllers;
     }
@@ -179,26 +143,6 @@
         return TAG;
     }
 
-    @VisibleForTesting
-    void updateSelectorPreference(boolean isEnabled) {
-        mOptimizePreference.setEnabled(isEnabled);
-        mUnrestrictedPreference.setEnabled(isEnabled);
-        onRadioButtonClicked(isEnabled ? mOptimizePreference : null);
-    }
-
-    @VisibleForTesting
-    int getSelectedPreference() {
-        if (!mMainSwitchPreference.isChecked()) {
-            return BatteryOptimizeUtils.MODE_RESTRICTED;
-        } else if (mUnrestrictedPreference.isChecked()) {
-            return BatteryOptimizeUtils.MODE_UNRESTRICTED;
-        } else if (mOptimizePreference.isChecked()) {
-            return BatteryOptimizeUtils.MODE_OPTIMIZED;
-        } else {
-            return BatteryOptimizeUtils.MODE_UNKNOWN;
-        }
-    }
-
     static void startPowerBackgroundUsageDetailPage(Context context, Bundle args) {
         new SubSettingLauncher(context)
                 .setDestination(PowerBackgroundUsageDetail.class.getName())
@@ -209,7 +153,11 @@
 
     @VisibleForTesting
     void initHeader() {
-        final View appSnippet = mHeaderPreference.findViewById(R.id.entity_header);
+        final LayoutPreference headerPreference = findPreference(KEY_PREF_HEADER);
+        if (headerPreference == null) {
+            return;
+        }
+        final View appSnippet = headerPreference.findViewById(R.id.entity_header);
         final Activity context = getActivity();
         final Bundle bundle = getArguments();
         EntityHeaderController controller =
@@ -239,58 +187,25 @@
 
     @VisibleForTesting
     void initFooter() {
-        final String stateString;
-        final String footerString;
-        final Context context = getContext();
-
-        if (mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()) {
-            // Present optimized only string when the package name is invalid.
-            stateString = context.getString(R.string.manager_battery_usage_optimized_only);
-            footerString =
-                    context.getString(R.string.manager_battery_usage_footer_limited, stateString);
-        } else if (mBatteryOptimizeUtils.isSystemOrDefaultApp()) {
-            // Present unrestricted only string when the package is system or default active app.
-            stateString = context.getString(R.string.manager_battery_usage_unrestricted_only);
-            footerString =
-                    context.getString(R.string.manager_battery_usage_footer_limited, stateString);
-        } else {
-            // Present default string to normal app.
-            footerString = context.getString(R.string.manager_battery_usage_footer);
+        final FooterPreference footerPreference = findPreference(KEY_FOOTER_PREFERENCE);
+        if (footerPreference == null) {
+            return;
         }
-        mFooterPreference.setTitle(footerString);
+        final Context context = getContext();
+        footerPreference.setTitle(context.getString(R.string.manager_battery_usage_footer));
         final Intent helpIntent =
                 HelpUtils.getHelpIntent(
                         context,
                         context.getString(R.string.help_url_app_usage_settings),
                         /* backupContext= */ "");
         if (helpIntent != null) {
-            mFooterPreference.setLearnMoreAction(
+            footerPreference.setLearnMoreAction(
                     v -> startActivityForResult(helpIntent, /* requestCode= */ 0));
-            mFooterPreference.setLearnMoreText(
+            footerPreference.setLearnMoreText(
                     context.getString(R.string.manager_battery_usage_link_a11y));
         }
     }
 
-    private void onCreateBackgroundUsageState(String packageName) {
-        mOptimizePreference = findPreference(KEY_PREF_OPTIMIZED);
-        mUnrestrictedPreference = findPreference(KEY_PREF_UNRESTRICTED);
-        mMainSwitchPreference = findPreference(KEY_ALLOW_BACKGROUND_USAGE);
-        mFooterPreference = findPreference(KEY_FOOTER_PREFERENCE);
-
-        mOptimizePreference.setOnClickListener(this);
-        mUnrestrictedPreference.setOnClickListener(this);
-        mMainSwitchPreference.addOnSwitchChangeListener(this);
-
-        mBatteryOptimizeUtils =
-                new BatteryOptimizeUtils(
-                        getContext(), getArguments().getInt(EXTRA_UID), packageName);
-    }
-
-    private void updateSelectorPreferenceState(
-            SelectorWithWidgetPreference preference, String selectedKey) {
-        preference.setChecked(TextUtils.equals(selectedKey, preference.getKey()));
-    }
-
     private void logMetricCategory(int currentOptimizeMode) {
         if (currentOptimizeMode == mOptimizationMode) {
             return;
diff --git a/src/com/android/settings/fuelgauge/UnrestrictedPreferenceController.java b/src/com/android/settings/fuelgauge/UnrestrictedPreferenceController.java
deleted file mode 100644
index 652941b..0000000
--- a/src/com/android/settings/fuelgauge/UnrestrictedPreferenceController.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright (C) 2021 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.fuelgauge;
-
-import android.content.Context;
-
-import androidx.annotation.VisibleForTesting;
-import androidx.preference.Preference;
-
-import com.android.settings.core.PreferenceControllerMixin;
-import com.android.settingslib.core.AbstractPreferenceController;
-import com.android.settingslib.widget.SelectorWithWidgetPreference;
-
-public class UnrestrictedPreferenceController extends AbstractPreferenceController
-        implements PreferenceControllerMixin {
-
-    private static final String TAG = "UNRESTRICTED_PREF";
-
-    @VisibleForTesting static final String KEY_UNRESTRICTED_PREF = "unrestricted_preference";
-
-    @VisibleForTesting BatteryOptimizeUtils mBatteryOptimizeUtils;
-
-    public UnrestrictedPreferenceController(Context context, int uid, String packageName) {
-        super(context);
-        mBatteryOptimizeUtils = new BatteryOptimizeUtils(context, uid, packageName);
-    }
-
-    @Override
-    public void updateState(Preference preference) {
-        preference.setEnabled(mBatteryOptimizeUtils.isSelectorPreferenceEnabled());
-
-        final boolean isUnrestricted =
-                mBatteryOptimizeUtils.getAppOptimizationMode()
-                        == BatteryOptimizeUtils.MODE_UNRESTRICTED;
-        ((SelectorWithWidgetPreference) preference).setChecked(isUnrestricted);
-    }
-
-    @Override
-    public boolean isAvailable() {
-        return true;
-    }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_UNRESTRICTED_PREF;
-    }
-
-    @Override
-    public boolean handlePreferenceTreeClick(Preference preference) {
-        return getPreferenceKey().equals(preference.getKey());
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetailTest.java b/tests/robotests/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetailTest.java
index 1bc00a1..f3848b3 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetailTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetailTest.java
@@ -17,10 +17,10 @@
 package com.android.settings.fuelgauge;
 
 import static com.android.settings.SettingsActivity.EXTRA_SHOW_FRAGMENT_ARGUMENTS;
-import static com.android.settings.fuelgauge.BatteryOptimizeHistoricalLogEntry.Action;
 
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.ArgumentMatchers.nullable;
@@ -49,13 +49,13 @@
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
+import com.android.settings.fuelgauge.BatteryOptimizeHistoricalLogEntry.Action;
 import com.android.settings.fuelgauge.batteryusage.BatteryDiffEntry;
 import com.android.settings.fuelgauge.batteryusage.BatteryEntry;
 import com.android.settings.fuelgauge.batteryusage.ConvertUtils;
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.shadow.ShadowEntityHeaderController;
 import com.android.settings.widget.EntityHeaderController;
-import com.android.settingslib.PrimarySwitchPreference;
 import com.android.settingslib.applications.AppUtils;
 import com.android.settingslib.applications.ApplicationsState;
 import com.android.settingslib.applications.instantapps.InstantAppDataProvider;
@@ -87,12 +87,12 @@
         })
 public class AdvancedPowerUsageDetailTest {
 
-    @Rule
-    public final MockitoRule mMockitoRule = MockitoJUnit.rule();
+    @Rule public final MockitoRule mMockitoRule = MockitoJUnit.rule();
 
     private static final String APP_LABEL = "app label";
     private static final String SUMMARY = "summary";
-    private static final String[] PACKAGE_NAME = {"com.android.app"};
+    private static final String PACKAGE_NAME = "com.android.app";
+    private static final String INITIATING_PACKAGE_NAME = "com.android.vending";
     private static final String USAGE_PERCENT = "16%";
     private static final int ICON_ID = 123;
     private static final int UID = 1;
@@ -100,39 +100,43 @@
     private static final long FOREGROUND_SERVICE_TIME_MS = 123;
     private static final long BACKGROUND_TIME_MS = 100;
     private static final long SCREEN_ON_TIME_MS = 321;
-    private static final String KEY_ALLOW_BACKGROUND_USAGE = "allow_background_usage";
 
     @Mock(answer = Answers.RETURNS_DEEP_STUBS)
     private FragmentActivity mActivity;
 
     @Mock private EntityHeaderController mEntityHeaderController;
-    @Mock private LayoutPreference mHeaderPreference;
     @Mock private ApplicationsState mState;
     @Mock private ApplicationsState.AppEntry mAppEntry;
     @Mock private BatteryEntry mBatteryEntry;
     @Mock private PackageManager mPackageManager;
     @Mock private InstallSourceInfo mInstallSourceInfo;
+    @Mock private LayoutPreference mLayoutPreference;
     @Mock private AppOpsManager mAppOpsManager;
     @Mock private LoaderManager mLoaderManager;
-    @Mock private BatteryOptimizeUtils mBatteryOptimizeUtils;
 
+    private int mTestMode;
     private Context mContext;
-    private PrimarySwitchPreference mAllowBackgroundUsagePreference;
     private AdvancedPowerUsageDetail mFragment;
     private SettingsActivity mTestActivity;
     private FakeFeatureFactory mFeatureFactory;
     private MetricsFeatureProvider mMetricsFeatureProvider;
     private BatteryDiffEntry mBatteryDiffEntry;
     private Bundle mBundle;
+    private BatteryOptimizeUtils mBatteryOptimizeUtils;
 
     @Before
-    public void setUp() {
+    public void setUp() throws Exception {
         mContext = spy(ApplicationProvider.getApplicationContext());
-        when(mContext.getPackageName()).thenReturn("foo");
+        when(mContext.getPackageName()).thenReturn(PACKAGE_NAME);
+        when(mContext.getPackageManager()).thenReturn(mPackageManager);
+        when(mPackageManager.getInstallSourceInfo(anyString())).thenReturn(mInstallSourceInfo);
         mFeatureFactory = FakeFeatureFactory.setupForTest();
         mMetricsFeatureProvider = mFeatureFactory.metricsFeatureProvider;
 
+        prepareTestBatteryOptimizationUtils();
         mFragment = spy(new AdvancedPowerUsageDetail());
+        mFragment.mBatteryOptimizeUtils = mBatteryOptimizeUtils;
+        doReturn(mLayoutPreference).when(mFragment).findPreference(any());
         mBundle = spy(new Bundle());
         doReturn(mContext).when(mFragment).getContext();
         doReturn(mActivity).when(mFragment).getActivity();
@@ -195,7 +199,6 @@
         when(mBatteryDiffEntry.getAppLabel()).thenReturn(APP_LABEL);
         when(mBatteryDiffEntry.getAppIconId()).thenReturn(ICON_ID);
 
-        mFragment.mHeaderPreference = mHeaderPreference;
         mFragment.mState = mState;
         mFragment.mBatteryOptimizeUtils = mBatteryOptimizeUtils;
         mFragment.mLogStringBuilder = new StringBuilder();
@@ -219,10 +222,6 @@
                 .startActivityAsUser(captor.capture(), nullable(UserHandle.class));
         doAnswer(callable).when(mActivity).startActivity(captor.capture());
         doAnswer(callable).when(mContext).startActivity(captor.capture());
-
-        mAllowBackgroundUsagePreference = new PrimarySwitchPreference(mContext);
-        mAllowBackgroundUsagePreference.setKey(KEY_ALLOW_BACKGROUND_USAGE);
-        mFragment.mAllowBackgroundUsagePreference = mAllowBackgroundUsagePreference;
     }
 
     @After
@@ -320,17 +319,15 @@
                 .isEqualTo(SCREEN_ON_TIME_MS);
         assertThat(mBundle.getString(AdvancedPowerUsageDetail.EXTRA_POWER_USAGE_PERCENT))
                 .isEqualTo(USAGE_PERCENT);
-        assertThat(mBundle.getString(AdvancedPowerUsageDetail.EXTRA_SLOT_TIME))
-                .isEqualTo(null);
+        assertThat(mBundle.getString(AdvancedPowerUsageDetail.EXTRA_SLOT_TIME)).isNull();
     }
 
-
     @Test
     public void startBatteryDetailPage_noBatteryUsage_hasBasicData() {
         final ArgumentCaptor<Intent> captor = ArgumentCaptor.forClass(Intent.class);
 
         AdvancedPowerUsageDetail.startBatteryDetailPage(
-                mActivity, mFragment, PACKAGE_NAME[0], UserHandle.OWNER);
+                mActivity, mFragment, PACKAGE_NAME, UserHandle.OWNER);
 
         verify(mActivity).startActivity(captor.capture());
 
@@ -338,7 +335,7 @@
                         captor.getValue()
                                 .getBundleExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS)
                                 .getString(AdvancedPowerUsageDetail.EXTRA_PACKAGE_NAME))
-                .isEqualTo(PACKAGE_NAME[0]);
+                .isEqualTo(PACKAGE_NAME);
 
         assertThat(
                         captor.getValue()
@@ -351,62 +348,21 @@
     public void startBatteryDetailPage_batteryEntryNotExisted_extractUidFromPackageName()
             throws PackageManager.NameNotFoundException {
         mBundle.clear();
-        doReturn(UID).when(mPackageManager).getPackageUid(PACKAGE_NAME[0], 0 /* no flag */);
+        doReturn(UID).when(mPackageManager).getPackageUid(PACKAGE_NAME, 0 /* no flag */);
 
         AdvancedPowerUsageDetail.startBatteryDetailPage(
-                mActivity, mFragment, PACKAGE_NAME[0], UserHandle.OWNER);
+                mActivity, mFragment, PACKAGE_NAME, UserHandle.OWNER);
 
         assertThat(mBundle.getInt(AdvancedPowerUsageDetail.EXTRA_UID)).isEqualTo(UID);
     }
 
     @Test
-    public void initFooter_isValidPackageName_hasCorrectString() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(true);
+    public void onPause_optimizationModeIsChanged_logPreference() throws Exception {
+        mFragment.mOptimizationMode = BatteryOptimizeUtils.MODE_RESTRICTED;
+        when(mBatteryOptimizeUtils.getPackageName()).thenReturn(PACKAGE_NAME);
+        when(mInstallSourceInfo.getInitiatingPackageName()).thenReturn(INITIATING_PACKAGE_NAME);
 
-        mFragment.initFooter();
-
-        assertThat(mAllowBackgroundUsagePreference.getSummary().toString())
-                .isEqualTo("This app requires optimized battery usage.");
-    }
-
-    @Test
-    public void initFooter_isSystemOrDefaultApp_hasCorrectString() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(false);
-        when(mBatteryOptimizeUtils.isSystemOrDefaultApp()).thenReturn(true);
-
-        mFragment.initFooter();
-
-        assertThat(mAllowBackgroundUsagePreference.getSummary().toString())
-                .isEqualTo("This app requires unrestricted battery usage.");
-    }
-
-    @Test
-    public void initFooter_hasCorrectString() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(false);
-        when(mBatteryOptimizeUtils.isSystemOrDefaultApp()).thenReturn(false);
-
-        mFragment.initFooter();
-
-        assertThat(mAllowBackgroundUsagePreference.getSummary().toString())
-                .isEqualTo("Enable for real-time updates, disable to save battery");
-    }
-
-    @Test
-    public void onPause_optimizationModeChanged_logPreference()
-            throws PackageManager.NameNotFoundException, InterruptedException {
-        final String packageName = "testPackageName";
-        final int restrictedMode = BatteryOptimizeUtils.MODE_RESTRICTED;
-        final int optimizedMode = BatteryOptimizeUtils.MODE_OPTIMIZED;
-        mFragment.mOptimizationMode = restrictedMode;
-        when(mBatteryOptimizeUtils.getAppOptimizationMode()).thenReturn(restrictedMode);
-        when(mBatteryOptimizeUtils.getPackageName()).thenReturn(packageName);
-        when(mContext.getPackageManager()).thenReturn(mPackageManager);
-        when(mPackageManager.getInstallSourceInfo(anyString())).thenReturn(mInstallSourceInfo);
-        when(mInstallSourceInfo.getInitiatingPackageName()).thenReturn("com.android.vending");
-
-        mFragment.onPreferenceChange(mAllowBackgroundUsagePreference, true);
-        verify(mBatteryOptimizeUtils).setAppUsageState(optimizedMode, Action.APPLY);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode()).thenReturn(optimizedMode);
+        mBatteryOptimizeUtils.setAppUsageState(BatteryOptimizeUtils.MODE_OPTIMIZED, Action.APPLY);
         mFragment.onPause();
 
         TimeUnit.SECONDS.sleep(1);
@@ -415,27 +371,18 @@
                         SettingsEnums.LEAVE_APP_BATTERY_USAGE,
                         SettingsEnums.ACTION_APP_BATTERY_USAGE_ALLOW_BACKGROUND,
                         SettingsEnums.FUELGAUGE_POWER_USAGE_DETAIL,
-                        packageName,
+                        PACKAGE_NAME,
                         /* consumed battery */ 0);
     }
 
     @Test
-    public void onPause_optimizationModeIsNotChanged_notInvokeLogging()
-            throws PackageManager.NameNotFoundException, InterruptedException {
-        final int restrictedMode = BatteryOptimizeUtils.MODE_RESTRICTED;
-        final int optimizedMode = BatteryOptimizeUtils.MODE_OPTIMIZED;
-        mFragment.mOptimizationMode = restrictedMode;
-        when(mBatteryOptimizeUtils.getAppOptimizationMode()).thenReturn(restrictedMode);
-        when(mContext.getPackageManager()).thenReturn(mPackageManager);
-        when(mPackageManager.getInstallSourceInfo(anyString())).thenReturn(mInstallSourceInfo);
-        when(mInstallSourceInfo.getInitiatingPackageName()).thenReturn("com.android.vending");
+    public void onPause_optimizationModeIsNotChanged_notInvokeLogging() throws Exception {
+        mFragment.mOptimizationMode = BatteryOptimizeUtils.MODE_RESTRICTED;
+        when(mBatteryOptimizeUtils.getPackageName()).thenReturn(PACKAGE_NAME);
+        when(mInstallSourceInfo.getInitiatingPackageName()).thenReturn(INITIATING_PACKAGE_NAME);
 
-        mFragment.onPreferenceChange(mAllowBackgroundUsagePreference, true);
-        verify(mBatteryOptimizeUtils).setAppUsageState(optimizedMode, Action.APPLY);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode()).thenReturn(optimizedMode);
-        mFragment.onPreferenceChange(mAllowBackgroundUsagePreference, false);
-        verify(mBatteryOptimizeUtils).setAppUsageState(restrictedMode, Action.APPLY);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode()).thenReturn(restrictedMode);
+        mBatteryOptimizeUtils.setAppUsageState(BatteryOptimizeUtils.MODE_OPTIMIZED, Action.APPLY);
+        mBatteryOptimizeUtils.setAppUsageState(BatteryOptimizeUtils.MODE_RESTRICTED, Action.APPLY);
         mFragment.onPause();
 
         TimeUnit.SECONDS.sleep(1);
@@ -446,4 +393,16 @@
     public void shouldSkipForInitialSUW_returnTrue() {
         assertThat(mFragment.shouldSkipForInitialSUW()).isTrue();
     }
+
+    private void prepareTestBatteryOptimizationUtils() {
+        mBatteryOptimizeUtils = spy(new BatteryOptimizeUtils(mContext, UID, PACKAGE_NAME));
+        Answer<Void> setTestMode =
+                invocation -> {
+                    mTestMode = invocation.getArgument(0);
+                    return null;
+                };
+        doAnswer(setTestMode).when(mBatteryOptimizeUtils).setAppUsageState(anyInt(), any());
+        Answer<Integer> getTestMode = invocation -> mTestMode;
+        doAnswer(getTestMode).when(mBatteryOptimizeUtils).getAppOptimizationMode();
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/AllowBackgroundPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/AllowBackgroundPreferenceControllerTest.java
deleted file mode 100644
index 261a315..0000000
--- a/tests/robotests/src/com/android/settings/fuelgauge/AllowBackgroundPreferenceControllerTest.java
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * Copyright (C) 2023 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.fuelgauge;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.when;
-
-import android.content.Context;
-import android.content.pm.PackageManager;
-
-import com.android.settingslib.widget.MainSwitchPreference;
-
-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;
-
-@RunWith(RobolectricTestRunner.class)
-public class AllowBackgroundPreferenceControllerTest {
-    private static final int UID = 12345;
-    private static final String PACKAGE_NAME = "com.android.app";
-
-    private AllowBackgroundPreferenceController mController;
-    private MainSwitchPreference mMainSwitchPreference;
-    private BatteryOptimizeUtils mBatteryOptimizeUtils;
-
-    @Mock private PackageManager mMockPackageManager;
-
-    @Before
-    public void setUp() throws Exception {
-        MockitoAnnotations.initMocks(this);
-
-        Context context = spy(RuntimeEnvironment.application);
-        BatteryUtils.getInstance(context).reset();
-        doReturn(UID)
-                .when(mMockPackageManager)
-                .getPackageUid(PACKAGE_NAME, PackageManager.GET_META_DATA);
-
-        mController = new AllowBackgroundPreferenceController(context, UID, PACKAGE_NAME);
-        mMainSwitchPreference = new MainSwitchPreference(RuntimeEnvironment.application);
-        mBatteryOptimizeUtils = spy(new BatteryOptimizeUtils(context, UID, PACKAGE_NAME));
-        mController.mBatteryOptimizeUtils = mBatteryOptimizeUtils;
-    }
-
-    @Test
-    public void testUpdateState_isValidPackage_prefEnabled() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(false);
-        when(mBatteryOptimizeUtils.isSystemOrDefaultApp()).thenReturn(false);
-
-        mController.updateState(mMainSwitchPreference);
-
-        assertThat(mBatteryOptimizeUtils.isOptimizeModeMutable()).isTrue();
-        assertThat(mMainSwitchPreference.isEnabled()).isTrue();
-    }
-
-    @Test
-    public void testUpdateState_invalidPackage_prefDisabled() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(true);
-        when(mBatteryOptimizeUtils.isSystemOrDefaultApp()).thenReturn(false);
-
-        mController.updateState(mMainSwitchPreference);
-
-        assertThat(mBatteryOptimizeUtils.isOptimizeModeMutable()).isFalse();
-        assertThat(mMainSwitchPreference.isEnabled()).isFalse();
-    }
-
-    @Test
-    public void testUpdateState_isSystemOrDefaultAppAndRestrictedStates_prefChecked() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(false);
-        when(mBatteryOptimizeUtils.isSystemOrDefaultApp()).thenReturn(true);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode())
-                .thenReturn(BatteryOptimizeUtils.MODE_RESTRICTED);
-
-        mController.updateState(mMainSwitchPreference);
-
-        assertThat(mMainSwitchPreference.isEnabled()).isFalse();
-        assertThat(mMainSwitchPreference.isChecked()).isFalse();
-    }
-
-    @Test
-    public void testUpdateState_isSystemOrDefaultApp_prefUnchecked() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(false);
-        when(mBatteryOptimizeUtils.isSystemOrDefaultApp()).thenReturn(true);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode())
-                .thenReturn(BatteryOptimizeUtils.MODE_OPTIMIZED);
-
-        mController.updateState(mMainSwitchPreference);
-
-        assertThat(mMainSwitchPreference.isEnabled()).isFalse();
-        assertThat(mMainSwitchPreference.isChecked()).isTrue();
-    }
-
-    @Test
-    public void testUpdateState_isRestrictedStates_prefChecked() {
-        when(mBatteryOptimizeUtils.isOptimizeModeMutable()).thenReturn(true);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode())
-                .thenReturn(BatteryOptimizeUtils.MODE_RESTRICTED);
-
-        mController.updateState(mMainSwitchPreference);
-
-        assertThat(mMainSwitchPreference.isEnabled()).isTrue();
-        assertThat(mMainSwitchPreference.isChecked()).isFalse();
-    }
-
-    @Test
-    public void testUpdateState_prefUnchecked() {
-        when(mBatteryOptimizeUtils.isOptimizeModeMutable()).thenReturn(true);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode())
-                .thenReturn(BatteryOptimizeUtils.MODE_OPTIMIZED);
-
-        mController.updateState(mMainSwitchPreference);
-
-        assertThat(mMainSwitchPreference.isEnabled()).isTrue();
-        assertThat(mMainSwitchPreference.isChecked()).isTrue();
-    }
-
-    @Test
-    public void testHandlePreferenceTreeClick_samePrefKey_verifyAction() {
-        mMainSwitchPreference.setKey(
-                AllowBackgroundPreferenceController.KEY_ALLOW_BACKGROUND_USAGE);
-        mController.handlePreferenceTreeClick(mMainSwitchPreference);
-
-        assertThat(mController.handlePreferenceTreeClick(mMainSwitchPreference)).isTrue();
-    }
-
-    @Test
-    public void testHandlePreferenceTreeClick_incorrectPrefKey_noAction() {
-        assertThat(mController.handlePreferenceTreeClick(mMainSwitchPreference)).isFalse();
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BackgroundUsageAllowabilityPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BackgroundUsageAllowabilityPreferenceControllerTest.java
new file mode 100644
index 0000000..190446e
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BackgroundUsageAllowabilityPreferenceControllerTest.java
@@ -0,0 +1,202 @@
+/*
+ * Copyright (C) 2024 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.fuelgauge;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.fuelgauge.BatteryOptimizeHistoricalLogEntry.Action;
+import com.android.settingslib.PrimarySwitchPreference;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.stubbing.Answer;
+import org.robolectric.RobolectricTestRunner;
+
+@RunWith(RobolectricTestRunner.class)
+public class BackgroundUsageAllowabilityPreferenceControllerTest {
+    private static final int UID = 12345;
+    private static final String PACKAGE_NAME = "com.android.app";
+
+    private int mTestMode;
+    private Context mContext;
+    private BackgroundUsageAllowabilityPreferenceController mBackgroundUsageController;
+    private BatteryOptimizeUtils mBatteryOptimizeUtils;
+
+    @Mock DashboardFragment mDashboardFragment;
+    @Mock PrimarySwitchPreference mBackgroundUsageAllowabilityPreference;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        prepareTestBatteryOptimizationUtils();
+        mBackgroundUsageController =
+                spy(
+                        new BackgroundUsageAllowabilityPreferenceController(
+                                mContext,
+                                mDashboardFragment,
+                                /* preferenceKey= */ "test",
+                                mBatteryOptimizeUtils));
+        mBackgroundUsageController.mBackgroundUsageAllowabilityPreference =
+                mBackgroundUsageAllowabilityPreference;
+    }
+
+    @Test
+    public void initPreferences_immutableOptimized_setExpectedContent() {
+        doReturn(false).when(mBatteryOptimizeUtils).isOptimizeModeMutable();
+        doReturn(true).when(mBatteryOptimizeUtils).isDisabledForOptimizeModeOnly();
+
+        mBackgroundUsageController.initPreferences();
+
+        verify(mBackgroundUsageAllowabilityPreference).setEnabled(false);
+        verify(mBackgroundUsageAllowabilityPreference).setSwitchEnabled(false);
+        verify(mBackgroundUsageAllowabilityPreference)
+                .setSummary(
+                        mContext.getString(
+                                R.string.manager_battery_usage_footer_limited,
+                                mContext.getString(R.string.manager_battery_usage_optimized_only)));
+        verify(mBackgroundUsageAllowabilityPreference, never())
+                .setOnPreferenceChangeListener(any());
+        verify(mBackgroundUsageAllowabilityPreference, never()).setOnPreferenceClickListener(any());
+    }
+
+    @Test
+    public void initPreferences_immutableUnrestricted_setExpectedContent() {
+        doReturn(false).when(mBatteryOptimizeUtils).isOptimizeModeMutable();
+        doReturn(false).when(mBatteryOptimizeUtils).isDisabledForOptimizeModeOnly();
+        doReturn(true).when(mBatteryOptimizeUtils).isSystemOrDefaultApp();
+
+        mBackgroundUsageController.initPreferences();
+
+        verify(mBackgroundUsageAllowabilityPreference).setEnabled(false);
+        verify(mBackgroundUsageAllowabilityPreference).setSwitchEnabled(false);
+        verify(mBackgroundUsageAllowabilityPreference)
+                .setSummary(
+                        mContext.getString(
+                                R.string.manager_battery_usage_footer_limited,
+                                mContext.getString(
+                                        R.string.manager_battery_usage_unrestricted_only)));
+        verify(mBackgroundUsageAllowabilityPreference, never())
+                .setOnPreferenceChangeListener(any());
+        verify(mBackgroundUsageAllowabilityPreference, never()).setOnPreferenceClickListener(any());
+    }
+
+    @Test
+    public void initPreferences_mutableMode_setExpectedContent() {
+        doReturn(true).when(mBatteryOptimizeUtils).isOptimizeModeMutable();
+        doReturn(false).when(mBatteryOptimizeUtils).isDisabledForOptimizeModeOnly();
+        doReturn(false).when(mBatteryOptimizeUtils).isSystemOrDefaultApp();
+
+        mBackgroundUsageController.initPreferences();
+
+        verify(mBackgroundUsageAllowabilityPreference).setEnabled(true);
+        verify(mBackgroundUsageAllowabilityPreference).setSwitchEnabled(true);
+        verify(mBackgroundUsageAllowabilityPreference)
+                .setSummary(
+                        mContext.getString(
+                                R.string.manager_battery_usage_allow_background_usage_summary));
+        verify(mBackgroundUsageAllowabilityPreference).setOnPreferenceChangeListener(any());
+        verify(mBackgroundUsageAllowabilityPreference).setOnPreferenceClickListener(any());
+    }
+
+    @Test
+    public void updatePreferences_setIntoUnrestrictedMode_setExpectedPrefStatus() {
+        mTestMode = BatteryOptimizeUtils.MODE_UNRESTRICTED;
+
+        mBackgroundUsageController.updatePreferences(mTestMode);
+
+        verifyPreferences(mTestMode);
+    }
+
+    @Test
+    public void updatePreferences_setIntoOptimizedMode_setExpectedPrefStatus() {
+        mTestMode = BatteryOptimizeUtils.MODE_OPTIMIZED;
+
+        mBackgroundUsageController.updatePreferences(mTestMode);
+
+        verifyPreferences(mTestMode);
+    }
+
+    @Test
+    public void updatePreferences_setIntoRestrictedMode_setExpectedPrefStatus() {
+        mTestMode = BatteryOptimizeUtils.MODE_RESTRICTED;
+
+        mBackgroundUsageController.updatePreferences(mTestMode);
+
+        verifyPreferences(mTestMode);
+    }
+
+    @Test
+    public void handleBatteryOptimizeModeUpdated_modeChange_setExpectedPrefStatus() {
+        mTestMode = BatteryOptimizeUtils.MODE_RESTRICTED;
+
+        mBackgroundUsageController.handleBatteryOptimizeModeUpdated(
+                BatteryOptimizeUtils.MODE_OPTIMIZED);
+
+        verify(mBatteryOptimizeUtils)
+                .setAppUsageState(BatteryOptimizeUtils.MODE_OPTIMIZED, Action.APPLY);
+        assertThat(mTestMode).isEqualTo(BatteryOptimizeUtils.MODE_OPTIMIZED);
+        verifyPreferences(mTestMode);
+    }
+
+    @Test
+    public void handleBatteryOptimizeModeUpdated_modeNotChange_setExpectedPrefStatus() {
+        mTestMode = BatteryOptimizeUtils.MODE_RESTRICTED;
+
+        mBackgroundUsageController.handleBatteryOptimizeModeUpdated(
+                BatteryOptimizeUtils.MODE_RESTRICTED);
+
+        verify(mBatteryOptimizeUtils, never()).setAppUsageState(anyInt(), any());
+        assertThat(mTestMode).isEqualTo(BatteryOptimizeUtils.MODE_RESTRICTED);
+        verify(mBackgroundUsageController, never()).updatePreferences(mTestMode);
+    }
+
+    private void prepareTestBatteryOptimizationUtils() {
+        mBatteryOptimizeUtils = spy(new BatteryOptimizeUtils(mContext, UID, PACKAGE_NAME));
+        Answer<Void> setTestMode =
+                invocation -> {
+                    mTestMode = invocation.getArgument(0);
+                    return null;
+                };
+        doAnswer(setTestMode).when(mBatteryOptimizeUtils).setAppUsageState(anyInt(), any());
+        Answer<Integer> getTestMode = invocation -> mTestMode;
+        doAnswer(getTestMode).when(mBatteryOptimizeUtils).getAppOptimizationMode();
+    }
+
+    private void verifyPreferences(int mode) {
+        boolean isAllowBackground = mode != BatteryOptimizeUtils.MODE_RESTRICTED;
+        verify(mBackgroundUsageAllowabilityPreference).setChecked(isAllowBackground);
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatteryOptimizationModePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatteryOptimizationModePreferenceControllerTest.java
new file mode 100644
index 0000000..2ddc7eb
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatteryOptimizationModePreferenceControllerTest.java
@@ -0,0 +1,179 @@
+/*
+ * Copyright (C) 2024 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.fuelgauge;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settingslib.widget.MainSwitchPreference;
+import com.android.settingslib.widget.SelectorWithWidgetPreference;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.stubbing.Answer;
+import org.robolectric.RobolectricTestRunner;
+
+@RunWith(RobolectricTestRunner.class)
+public class BatteryOptimizationModePreferenceControllerTest {
+    private static final int UID = 12345;
+    private static final String PACKAGE_NAME = "com.android.app";
+
+    private int mTestMode;
+    private Context mContext;
+    private BatteryOptimizationModePreferenceController mBackgroundUsageController;
+    private BatteryOptimizeUtils mBatteryOptimizeUtils;
+
+    @Mock MainSwitchPreference mBackgroundUsageAllowabilityPreference;
+    @Mock SelectorWithWidgetPreference mOptimizedPreference;
+    @Mock SelectorWithWidgetPreference mUnrestrictedPreference;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        prepareTestBatteryOptimizationUtils();
+        mBackgroundUsageController =
+                spy(
+                        new BatteryOptimizationModePreferenceController(
+                                mContext, "test", mBatteryOptimizeUtils));
+        mBackgroundUsageController.mBackgroundUsageAllowabilityPreference =
+                mBackgroundUsageAllowabilityPreference;
+        mBackgroundUsageController.mOptimizedPreference = mOptimizedPreference;
+        mBackgroundUsageController.mUnrestrictedPreference = mUnrestrictedPreference;
+    }
+
+    @Test
+    public void initPreferences_mutableMode_setEnabled() {
+        doReturn(true).when(mBatteryOptimizeUtils).isOptimizeModeMutable();
+
+        mBackgroundUsageController.initPreferences();
+
+        verify(mBackgroundUsageAllowabilityPreference).setEnabled(true);
+        verify(mOptimizedPreference).setEnabled(true);
+        verify(mUnrestrictedPreference).setEnabled(true);
+        verify(mBackgroundUsageAllowabilityPreference, never()).setOnPreferenceClickListener(any());
+        verify(mBackgroundUsageAllowabilityPreference).setOnPreferenceChangeListener(any());
+        verify(mOptimizedPreference).setOnPreferenceClickListener(any());
+        verify(mUnrestrictedPreference).setOnPreferenceClickListener(any());
+    }
+
+    @Test
+    public void initPreferences_immutableMode_setDisabledAndSkipSetListeners() {
+        doReturn(false).when(mBatteryOptimizeUtils).isOptimizeModeMutable();
+
+        mBackgroundUsageController.initPreferences();
+
+        verify(mBackgroundUsageAllowabilityPreference).setEnabled(false);
+        verify(mOptimizedPreference).setEnabled(false);
+        verify(mUnrestrictedPreference).setEnabled(false);
+        verify(mBackgroundUsageAllowabilityPreference, never()).setOnPreferenceClickListener(any());
+        verify(mBackgroundUsageAllowabilityPreference, never())
+                .setOnPreferenceChangeListener(any());
+        verify(mOptimizedPreference, never()).setOnPreferenceClickListener(any());
+        verify(mUnrestrictedPreference, never()).setOnPreferenceClickListener(any());
+    }
+
+    @Test
+    public void updatePreferences_setIntoUnrestrictedMode_setExpectedPrefStatus() {
+        mTestMode = BatteryOptimizeUtils.MODE_UNRESTRICTED;
+
+        mBackgroundUsageController.updatePreferences(mTestMode);
+
+        verifyPreferences(mTestMode);
+    }
+
+    @Test
+    public void updatePreferences_setIntoOptimizedMode_setExpectedPrefStatus() {
+        mTestMode = BatteryOptimizeUtils.MODE_OPTIMIZED;
+
+        mBackgroundUsageController.updatePreferences(mTestMode);
+
+        verifyPreferences(mTestMode);
+    }
+
+    @Test
+    public void updatePreferences_setIntoRestrictedMode_setExpectedPrefStatus() {
+        mTestMode = BatteryOptimizeUtils.MODE_RESTRICTED;
+
+        mBackgroundUsageController.updatePreferences(mTestMode);
+
+        verifyPreferences(mTestMode);
+    }
+
+    @Test
+    public void handleBatteryOptimizeModeUpdated_modeChange_setExpectedPrefStatus() {
+        mTestMode = BatteryOptimizeUtils.MODE_RESTRICTED;
+
+        mBackgroundUsageController.handleBatteryOptimizeModeUpdated(
+                BatteryOptimizeUtils.MODE_OPTIMIZED);
+
+        verify(mBatteryOptimizeUtils)
+                .setAppUsageState(
+                        BatteryOptimizeUtils.MODE_OPTIMIZED,
+                        BatteryOptimizeHistoricalLogEntry.Action.APPLY);
+        assertThat(mTestMode).isEqualTo(BatteryOptimizeUtils.MODE_OPTIMIZED);
+        verifyPreferences(mBatteryOptimizeUtils.getAppOptimizationMode());
+    }
+
+    @Test
+    public void handleBatteryOptimizeModeUpdated_modeNotChange_setExpectedPrefStatus() {
+        mTestMode = BatteryOptimizeUtils.MODE_RESTRICTED;
+
+        mBackgroundUsageController.handleBatteryOptimizeModeUpdated(
+                BatteryOptimizeUtils.MODE_RESTRICTED);
+
+        verify(mBatteryOptimizeUtils, never()).setAppUsageState(anyInt(), any());
+        assertThat(mTestMode).isEqualTo(BatteryOptimizeUtils.MODE_RESTRICTED);
+        verify(mBackgroundUsageController, never()).updatePreferences(anyInt());
+    }
+
+    private void prepareTestBatteryOptimizationUtils() {
+        mBatteryOptimizeUtils = spy(new BatteryOptimizeUtils(mContext, UID, PACKAGE_NAME));
+        Answer<Void> setTestMode =
+                invocation -> {
+                    mTestMode = invocation.getArgument(0);
+                    return null;
+                };
+        doAnswer(setTestMode).when(mBatteryOptimizeUtils).setAppUsageState(anyInt(), any());
+        Answer<Integer> getTestMode = invocation -> mTestMode;
+        doAnswer(getTestMode).when(mBatteryOptimizeUtils).getAppOptimizationMode();
+    }
+
+    private void verifyPreferences(int mode) {
+        boolean isAllowBackground = mode != BatteryOptimizeUtils.MODE_RESTRICTED;
+        verify(mBackgroundUsageAllowabilityPreference).setChecked(isAllowBackground);
+        verify(mOptimizedPreference).setEnabled(isAllowBackground);
+        verify(mUnrestrictedPreference).setEnabled(isAllowBackground);
+        verify(mOptimizedPreference).setChecked(mode == BatteryOptimizeUtils.MODE_OPTIMIZED);
+        verify(mUnrestrictedPreference).setChecked(mode == BatteryOptimizeUtils.MODE_UNRESTRICTED);
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/OptimizedPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/OptimizedPreferenceControllerTest.java
deleted file mode 100644
index 6656471..0000000
--- a/tests/robotests/src/com/android/settings/fuelgauge/OptimizedPreferenceControllerTest.java
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * Copyright (C) 2021 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.fuelgauge;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.when;
-
-import android.content.Context;
-import android.content.pm.PackageManager;
-
-import com.android.settingslib.widget.SelectorWithWidgetPreference;
-
-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;
-
-@RunWith(RobolectricTestRunner.class)
-public class OptimizedPreferenceControllerTest {
-    private static final int UID = 12345;
-    private static final String PACKAGE_NAME = "com.android.app";
-
-    private OptimizedPreferenceController mController;
-    private SelectorWithWidgetPreference mPreference;
-    private BatteryOptimizeUtils mBatteryOptimizeUtils;
-
-    @Mock PackageManager mMockPackageManager;
-
-    @Before
-    public void setUp() throws Exception {
-        MockitoAnnotations.initMocks(this);
-
-        Context context = spy(RuntimeEnvironment.application);
-        BatteryUtils.getInstance(context).reset();
-        doReturn(UID)
-                .when(mMockPackageManager)
-                .getPackageUid(PACKAGE_NAME, PackageManager.GET_META_DATA);
-
-        mController = new OptimizedPreferenceController(context, UID, PACKAGE_NAME);
-        mPreference = new SelectorWithWidgetPreference(RuntimeEnvironment.application);
-        mBatteryOptimizeUtils = spy(new BatteryOptimizeUtils(context, UID, PACKAGE_NAME));
-        mController.mBatteryOptimizeUtils = mBatteryOptimizeUtils;
-    }
-
-    @Test
-    public void testUpdateState_invalidPackage_prefEnabled() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(true);
-
-        mController.updateState(mPreference);
-
-        assertThat(mPreference.isEnabled()).isFalse();
-        assertThat(mPreference.isChecked()).isTrue();
-    }
-
-    @Test
-    public void testUpdateState_isSystemOrDefaultAppAndOptimizeStates_prefChecked() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(false);
-        when(mBatteryOptimizeUtils.isSystemOrDefaultApp()).thenReturn(true);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode())
-                .thenReturn(BatteryOptimizeUtils.MODE_OPTIMIZED);
-
-        mController.updateState(mPreference);
-
-        assertThat(mPreference.isChecked()).isTrue();
-    }
-
-    @Test
-    public void testUpdateState_isSystemOrDefaultApp_prefUnchecked() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(false);
-        when(mBatteryOptimizeUtils.isSystemOrDefaultApp()).thenReturn(true);
-
-        mController.updateState(mPreference);
-
-        assertThat(mPreference.isChecked()).isFalse();
-        assertThat(mPreference.isEnabled()).isFalse();
-    }
-
-    @Test
-    public void testUpdateState_isOptimizedStates_prefChecked() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(false);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode())
-                .thenReturn(BatteryOptimizeUtils.MODE_OPTIMIZED);
-
-        mController.updateState(mPreference);
-
-        assertThat(mPreference.isChecked()).isTrue();
-    }
-
-    @Test
-    public void testUpdateState_prefUnchecked() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(false);
-
-        mController.updateState(mPreference);
-
-        assertThat(mPreference.isChecked()).isFalse();
-    }
-
-    @Test
-    public void testHandlePreferenceTreeClick_samePrefKey_verifyAction() {
-        mPreference.setKey(mController.KEY_OPTIMIZED_PREF);
-        mController.handlePreferenceTreeClick(mPreference);
-
-        assertThat(mController.handlePreferenceTreeClick(mPreference)).isTrue();
-    }
-
-    @Test
-    public void testHandlePreferenceTreeClick_incorrectPrefKey_noAction() {
-        assertThat(mController.handlePreferenceTreeClick(mPreference)).isFalse();
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/PowerBackgroundUsageDetailTest.java b/tests/robotests/src/com/android/settings/fuelgauge/PowerBackgroundUsageDetailTest.java
index 9061117..9f98d78 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/PowerBackgroundUsageDetailTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/PowerBackgroundUsageDetailTest.java
@@ -17,10 +17,10 @@
 package com.android.settings.fuelgauge;
 
 import static com.android.settings.SettingsActivity.EXTRA_SHOW_FRAGMENT_ARGUMENTS;
-import static com.android.settings.fuelgauge.BatteryOptimizeHistoricalLogEntry.Action;
 
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.ArgumentMatchers.nullable;
@@ -42,16 +42,17 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.widget.CompoundButton;
 
 import androidx.fragment.app.FragmentActivity;
 import androidx.loader.app.LoaderManager;
 import androidx.test.core.app.ApplicationProvider;
 
+import com.android.settings.R;
 import com.android.settings.SettingsActivity;
 import com.android.settings.fuelgauge.batteryusage.BatteryEntry;
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.shadow.ShadowEntityHeaderController;
+import com.android.settings.testutils.shadow.ShadowHelpUtils;
 import com.android.settings.widget.EntityHeaderController;
 import com.android.settingslib.applications.AppUtils;
 import com.android.settingslib.applications.ApplicationsState;
@@ -59,8 +60,6 @@
 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
 import com.android.settingslib.widget.FooterPreference;
 import com.android.settingslib.widget.LayoutPreference;
-import com.android.settingslib.widget.MainSwitchPreference;
-import com.android.settingslib.widget.SelectorWithWidgetPreference;
 
 import org.junit.After;
 import org.junit.Before;
@@ -83,36 +82,33 @@
 @Config(
         shadows = {
             ShadowEntityHeaderController.class,
+            ShadowHelpUtils.class,
             com.android.settings.testutils.shadow.ShadowFragment.class,
         })
 public class PowerBackgroundUsageDetailTest {
 
-    @Rule
-    public final MockitoRule mMockitoRule = MockitoJUnit.rule();
+    @Rule public final MockitoRule mMockitoRule = MockitoJUnit.rule();
 
     private static final String APP_LABEL = "app label";
     private static final String SUMMARY = "summary";
     private static final int ICON_ID = 123;
     private static final int UID = 1;
-    private static final String KEY_PREF_UNRESTRICTED = "unrestricted_preference";
-    private static final String KEY_PREF_OPTIMIZED = "optimized_preference";
-    private static final String KEY_ALLOW_BACKGROUND_USAGE = "allow_background_usage";
+    private static final String PACKAGE_NAME = "com.android.app";
+    private static final String KEY_PREF_HEADER = "header_view";
+    private static final String KEY_FOOTER_PREFERENCE = "app_usage_footer_preference";
+    private static final String INITIATING_PACKAGE_NAME = "com.android.vending";
 
+    private int mTestMode;
     private Context mContext;
     private PowerBackgroundUsageDetail mFragment;
-    private FooterPreference mFooterPreference;
-    private MainSwitchPreference mMainSwitchPreference;
     private MetricsFeatureProvider mMetricsFeatureProvider;
-    private SelectorWithWidgetPreference mOptimizePreference;
-    private SelectorWithWidgetPreference mUnrestrictedPreference;
     private SettingsActivity mTestActivity;
+    private BatteryOptimizeUtils mBatteryOptimizeUtils;
 
     @Mock(answer = Answers.RETURNS_DEEP_STUBS)
     private FragmentActivity mActivity;
 
     @Mock private EntityHeaderController mEntityHeaderController;
-    @Mock private BatteryOptimizeUtils mBatteryOptimizeUtils;
-    @Mock private LayoutPreference mHeaderPreference;
     @Mock private ApplicationsState mState;
     @Mock private Bundle mBundle;
     @Mock private LoaderManager mLoaderManager;
@@ -120,21 +116,26 @@
     @Mock private BatteryEntry mBatteryEntry;
     @Mock private PackageManager mPackageManager;
     @Mock private AppOpsManager mAppOpsManager;
-    @Mock private CompoundButton mMockSwitch;
     @Mock private InstallSourceInfo mInstallSourceInfo;
+    @Mock private LayoutPreference mLayoutPreference;
+    @Mock private FooterPreference mFooterPreference;
 
     @Before
     public void setUp() throws Exception {
         mContext = spy(ApplicationProvider.getApplicationContext());
-        when(mContext.getPackageName()).thenReturn("foo");
+        when(mContext.getPackageName()).thenReturn(PACKAGE_NAME);
         when(mContext.getPackageManager()).thenReturn(mPackageManager);
         when(mPackageManager.getInstallSourceInfo(anyString())).thenReturn(mInstallSourceInfo);
 
         final FakeFeatureFactory fakeFeatureFactory = FakeFeatureFactory.setupForTest();
         mMetricsFeatureProvider = fakeFeatureFactory.metricsFeatureProvider;
 
+        prepareTestBatteryOptimizationUtils();
         mFragment = spy(new PowerBackgroundUsageDetail());
+        mFragment.mBatteryOptimizeUtils = mBatteryOptimizeUtils;
         mFragment.mLogStringBuilder = new StringBuilder();
+        doReturn(mLayoutPreference).when(mFragment).findPreference(KEY_PREF_HEADER);
+        doReturn(mFooterPreference).when(mFragment).findPreference(KEY_FOOTER_PREFERENCE);
         doReturn(mContext).when(mFragment).getContext();
         doReturn(mActivity).when(mFragment).getActivity();
         doReturn(SUMMARY).when(mFragment).getString(anyInt());
@@ -169,9 +170,7 @@
         when(mBatteryEntry.getLabel()).thenReturn(APP_LABEL);
         mBatteryEntry.mIconId = ICON_ID;
 
-        mFragment.mHeaderPreference = mHeaderPreference;
         mFragment.mState = mState;
-        mFragment.mBatteryOptimizeUtils = mBatteryOptimizeUtils;
         mAppEntry.info = mock(ApplicationInfo.class);
 
         mTestActivity = spy(new SettingsActivity());
@@ -191,23 +190,12 @@
                 .when(mActivity)
                 .startActivityAsUser(captor.capture(), nullable(UserHandle.class));
         doAnswer(callable).when(mActivity).startActivity(captor.capture());
-
-        mFooterPreference = spy(new FooterPreference(mContext));
-        mMainSwitchPreference = spy(new MainSwitchPreference(mContext));
-        mMainSwitchPreference.setKey(KEY_ALLOW_BACKGROUND_USAGE);
-        mOptimizePreference = spy(new SelectorWithWidgetPreference(mContext));
-        mOptimizePreference.setKey(KEY_PREF_OPTIMIZED);
-        mUnrestrictedPreference = spy(new SelectorWithWidgetPreference(mContext));
-        mUnrestrictedPreference.setKey(KEY_PREF_UNRESTRICTED);
-        mFragment.mFooterPreference = mFooterPreference;
-        mFragment.mMainSwitchPreference = mMainSwitchPreference;
-        mFragment.mOptimizePreference = mOptimizePreference;
-        mFragment.mUnrestrictedPreference = mUnrestrictedPreference;
     }
 
     @After
     public void reset() {
         ShadowEntityHeaderController.reset();
+        ShadowHelpUtils.reset();
     }
 
     @Test
@@ -258,91 +246,64 @@
     }
 
     @Test
-    public void initFooter_hasCorrectString() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(false);
-        when(mBatteryOptimizeUtils.isSystemOrDefaultApp()).thenReturn(false);
-
+    public void initFooter_setExpectedFooterContent() {
         mFragment.initFooter();
 
-        assertThat(mFooterPreference.getTitle().toString())
-                .isEqualTo("Changing how an app uses your battery can affect its performance.");
+        verify(mFooterPreference)
+                .setTitle(mContext.getString(R.string.manager_battery_usage_footer));
+        verify(mFooterPreference).setLearnMoreAction(any());
+        verify(mFooterPreference)
+                .setLearnMoreText(mContext.getString(R.string.manager_battery_usage_link_a11y));
     }
 
     @Test
-    public void onSwitchChanged_fromUnrestrictedModeSetDisabled_becomeRestrictedMode() {
-        final int restrictedMode = BatteryOptimizeUtils.MODE_RESTRICTED;
-        final int optimizedMode = BatteryOptimizeUtils.MODE_OPTIMIZED;
-        mFragment.mOptimizationMode = optimizedMode;
+    public void onPause_optimizationModeIsChanged_logPreference() throws Exception {
+        mFragment.mOptimizationMode = BatteryOptimizeUtils.MODE_OPTIMIZED;
+        when(mBatteryOptimizeUtils.getPackageName()).thenReturn(PACKAGE_NAME);
+        when(mInstallSourceInfo.getInitiatingPackageName()).thenReturn(INITIATING_PACKAGE_NAME);
 
-        mFragment.onCheckedChanged(mMockSwitch, /* isChecked= */ false);
-
-        verify(mOptimizePreference).setEnabled(false);
-        verify(mUnrestrictedPreference).setEnabled(false);
-        verify(mFragment).onRadioButtonClicked(null);
-        verify(mMainSwitchPreference).setChecked(false);
-        assertThat(mFragment.getSelectedPreference()).isEqualTo(restrictedMode);
-        verify(mBatteryOptimizeUtils).setAppUsageState(restrictedMode, Action.APPLY);
-    }
-
-    @Test
-    public void onSwitchChanged_fromRestrictedModeSetEnabled_becomeOptimizedMode() {
-        final int restrictedMode = BatteryOptimizeUtils.MODE_RESTRICTED;
-        final int optimizedMode = BatteryOptimizeUtils.MODE_OPTIMIZED;
-        mFragment.mOptimizationMode = restrictedMode;
-
-        mFragment.onCheckedChanged(mMockSwitch, /* isChecked= */ true);
-
-        verify(mOptimizePreference).setEnabled(true);
-        verify(mUnrestrictedPreference).setEnabled(true);
-        verify(mFragment).onRadioButtonClicked(mOptimizePreference);
-        verify(mMainSwitchPreference).setChecked(true);
-        verify(mOptimizePreference).setChecked(true);
-        assertThat(mFragment.getSelectedPreference()).isEqualTo(optimizedMode);
-        verify(mBatteryOptimizeUtils).setAppUsageState(optimizedMode, Action.APPLY);
-    }
-
-    @Test
-    public void onPause_optimizationModeChanged_logPreference() throws Exception {
-        final String packageName = "testPackageName";
-        final int restrictedMode = BatteryOptimizeUtils.MODE_RESTRICTED;
-        final int optimizedMode = BatteryOptimizeUtils.MODE_OPTIMIZED;
-        mFragment.mOptimizationMode = restrictedMode;
-        when(mBatteryOptimizeUtils.getPackageName()).thenReturn(packageName);
-        when(mInstallSourceInfo.getInitiatingPackageName()).thenReturn("com.android.vending");
-
-        mFragment.onCheckedChanged(mMockSwitch, /* isChecked= */ true);
-        verify(mBatteryOptimizeUtils).setAppUsageState(optimizedMode, Action.APPLY);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode()).thenReturn(optimizedMode);
+        mTestMode = BatteryOptimizeUtils.MODE_UNRESTRICTED;
+        assertThat(mBatteryOptimizeUtils.getAppOptimizationMode())
+                .isEqualTo(BatteryOptimizeUtils.MODE_UNRESTRICTED);
         mFragment.onPause();
 
         TimeUnit.SECONDS.sleep(1);
         verify(mMetricsFeatureProvider)
                 .action(
                         SettingsEnums.LEAVE_POWER_USAGE_MANAGE_BACKGROUND,
-                        SettingsEnums.ACTION_APP_BATTERY_USAGE_OPTIMIZED,
+                        SettingsEnums.ACTION_APP_BATTERY_USAGE_UNRESTRICTED,
                         SettingsEnums.FUELGAUGE_POWER_USAGE_MANAGE_BACKGROUND,
-                        packageName,
+                        PACKAGE_NAME,
                         /* consumed battery */ 0);
     }
 
     @Test
     public void onPause_optimizationModeIsNotChanged_notInvokeLogging() throws Exception {
-        final String packageName = "testPackageName";
-        final int restrictedMode = BatteryOptimizeUtils.MODE_RESTRICTED;
-        final int optimizedMode = BatteryOptimizeUtils.MODE_OPTIMIZED;
-        mFragment.mOptimizationMode = restrictedMode;
-        when(mBatteryOptimizeUtils.getPackageName()).thenReturn(packageName);
-        when(mInstallSourceInfo.getInitiatingPackageName()).thenReturn("com.android.vending");
+        mFragment.mOptimizationMode = BatteryOptimizeUtils.MODE_OPTIMIZED;
+        when(mBatteryOptimizeUtils.getPackageName()).thenReturn(PACKAGE_NAME);
+        when(mInstallSourceInfo.getInitiatingPackageName()).thenReturn(INITIATING_PACKAGE_NAME);
 
-        mFragment.onCheckedChanged(mMockSwitch, /* isChecked= */ true);
-        verify(mBatteryOptimizeUtils).setAppUsageState(optimizedMode, Action.APPLY);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode()).thenReturn(optimizedMode);
-        mFragment.onCheckedChanged(mMockSwitch, /* isChecked= */ false);
-        verify(mBatteryOptimizeUtils).setAppUsageState(restrictedMode, Action.APPLY);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode()).thenReturn(restrictedMode);
+        mTestMode = BatteryOptimizeUtils.MODE_UNRESTRICTED;
+        assertThat(mBatteryOptimizeUtils.getAppOptimizationMode())
+                .isEqualTo(BatteryOptimizeUtils.MODE_UNRESTRICTED);
+        mTestMode = BatteryOptimizeUtils.MODE_OPTIMIZED;
+        assertThat(mBatteryOptimizeUtils.getAppOptimizationMode())
+                .isEqualTo(BatteryOptimizeUtils.MODE_OPTIMIZED);
         mFragment.onPause();
 
         TimeUnit.SECONDS.sleep(1);
         verifyNoInteractions(mMetricsFeatureProvider);
     }
+
+    private void prepareTestBatteryOptimizationUtils() {
+        mBatteryOptimizeUtils = spy(new BatteryOptimizeUtils(mContext, UID, PACKAGE_NAME));
+        Answer<Void> setTestMode =
+                invocation -> {
+                    mTestMode = invocation.getArgument(0);
+                    return null;
+                };
+        doAnswer(setTestMode).when(mBatteryOptimizeUtils).setAppUsageState(anyInt(), any());
+        Answer<Integer> getTestMode = invocation -> mTestMode;
+        doAnswer(getTestMode).when(mBatteryOptimizeUtils).getAppOptimizationMode();
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/UnrestrictedPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/UnrestrictedPreferenceControllerTest.java
deleted file mode 100644
index 0c6f7da..0000000
--- a/tests/robotests/src/com/android/settings/fuelgauge/UnrestrictedPreferenceControllerTest.java
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * Copyright (C) 2021 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.fuelgauge;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.when;
-
-import android.content.Context;
-import android.content.pm.PackageManager;
-
-import com.android.settingslib.widget.SelectorWithWidgetPreference;
-
-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;
-
-@RunWith(RobolectricTestRunner.class)
-public class UnrestrictedPreferenceControllerTest {
-    private static final int UID = 12345;
-    private static final String PACKAGE_NAME = "com.android.app";
-
-    private UnrestrictedPreferenceController mController;
-    private SelectorWithWidgetPreference mPreference;
-    private BatteryOptimizeUtils mBatteryOptimizeUtils;
-
-    @Mock PackageManager mMockPackageManager;
-
-    @Before
-    public void setUp() throws Exception {
-        MockitoAnnotations.initMocks(this);
-
-        Context context = spy(RuntimeEnvironment.application);
-        BatteryUtils.getInstance(context).reset();
-        doReturn(UID)
-                .when(mMockPackageManager)
-                .getPackageUid(PACKAGE_NAME, PackageManager.GET_META_DATA);
-
-        mController = new UnrestrictedPreferenceController(context, UID, PACKAGE_NAME);
-        mPreference = new SelectorWithWidgetPreference(RuntimeEnvironment.application);
-        mBatteryOptimizeUtils = spy(new BatteryOptimizeUtils(context, UID, PACKAGE_NAME));
-        mController.mBatteryOptimizeUtils = mBatteryOptimizeUtils;
-    }
-
-    @Test
-    public void testUpdateState_isValidPackage_prefEnabled() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(false);
-        when(mBatteryOptimizeUtils.isSystemOrDefaultApp()).thenReturn(false);
-
-        mController.updateState(mPreference);
-
-        assertThat(mBatteryOptimizeUtils.isOptimizeModeMutable()).isTrue();
-        assertThat(mPreference.isEnabled()).isTrue();
-    }
-
-    @Test
-    public void testUpdateState_invalidPackage_prefDisabled() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(true);
-        when(mBatteryOptimizeUtils.isSystemOrDefaultApp()).thenReturn(false);
-
-        mController.updateState(mPreference);
-
-        assertThat(mBatteryOptimizeUtils.isOptimizeModeMutable()).isFalse();
-        assertThat(mPreference.isEnabled()).isFalse();
-    }
-
-    @Test
-    public void testUpdateState_isSystemOrDefaultAppAndUnrestrictedStates_prefChecked() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(false);
-        when(mBatteryOptimizeUtils.isSystemOrDefaultApp()).thenReturn(true);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode())
-                .thenReturn(BatteryOptimizeUtils.MODE_UNRESTRICTED);
-
-        mController.updateState(mPreference);
-
-        assertThat(mPreference.isChecked()).isTrue();
-    }
-
-    @Test
-    public void testUpdateState_isSystemOrDefaultApp_prefUnchecked() {
-        when(mBatteryOptimizeUtils.isDisabledForOptimizeModeOnly()).thenReturn(false);
-        when(mBatteryOptimizeUtils.isSystemOrDefaultApp()).thenReturn(true);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode())
-                .thenReturn(BatteryOptimizeUtils.MODE_OPTIMIZED);
-
-        mController.updateState(mPreference);
-
-        assertThat(mPreference.isEnabled()).isFalse();
-        assertThat(mPreference.isChecked()).isFalse();
-    }
-
-    @Test
-    public void testUpdateState_isUnrestrictedStates_prefChecked() {
-        when(mBatteryOptimizeUtils.isOptimizeModeMutable()).thenReturn(true);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode())
-                .thenReturn(BatteryOptimizeUtils.MODE_UNRESTRICTED);
-
-        mController.updateState(mPreference);
-
-        assertThat(mPreference.isEnabled()).isTrue();
-        assertThat(mPreference.isChecked()).isTrue();
-    }
-
-    @Test
-    public void testUpdateState_prefUnchecked() {
-        when(mBatteryOptimizeUtils.isOptimizeModeMutable()).thenReturn(true);
-        when(mBatteryOptimizeUtils.getAppOptimizationMode())
-                .thenReturn(BatteryOptimizeUtils.MODE_OPTIMIZED);
-
-        mController.updateState(mPreference);
-
-        assertThat(mPreference.isEnabled()).isTrue();
-        assertThat(mPreference.isChecked()).isFalse();
-    }
-
-    @Test
-    public void testHandlePreferenceTreeClick_samePrefKey_verifyAction() {
-        mPreference.setKey(mController.KEY_UNRESTRICTED_PREF);
-        mController.handlePreferenceTreeClick(mPreference);
-
-        assertThat(mController.handlePreferenceTreeClick(mPreference)).isTrue();
-    }
-
-    @Test
-    public void testHandlePreferenceTreeClick_incorrectPrefKey_noAction() {
-        assertThat(mController.handlePreferenceTreeClick(mPreference)).isFalse();
-    }
-}