src/com/android/settings/fuelgauge/PowerBackgroundUsageDetail.java - LeafOS-Project/android_packages_apps_Settings - Gitiles

 /*
  * 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.android.settings.fuelgauge.BatteryOptimizeHistoricalLogEntry.Action;

 import android.app.Activity;
 import android.app.backup.BackupManager;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 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;

 import com.android.settings.R;
 import com.android.settings.core.SubSettingLauncher;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.widget.EntityHeaderController;
 import com.android.settingslib.HelpUtils;
 import com.android.settingslib.applications.AppUtils;
 import com.android.settingslib.applications.ApplicationsState;
 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;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;

 /** Allow background usage fragment for each app */
 public class PowerBackgroundUsageDetail extends DashboardFragment
         implements SelectorWithWidgetPreference.OnClickListener, OnCheckedChangeListener {
     private static final String TAG = "PowerBackgroundUsageDetail";

     public static final String EXTRA_UID = "extra_uid";
     public static final String EXTRA_PACKAGE_NAME = "extra_package_name";
     public static final String EXTRA_LABEL = "extra_label";
     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 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 BackupManager mBackupManager;
     @VisibleForTesting StringBuilder mLogStringBuilder;

     @VisibleForTesting @BatteryOptimizeUtils.OptimizationMode
     int mOptimizationMode = BatteryOptimizeUtils.MODE_UNKNOWN;

     @Override
     public void onAttach(Activity activity) {
         super.onAttach(activity);

         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());
         }
     }

     @Override
     public void onResume() {
         super.onResume();
         initHeader();
         mOptimizationMode = mBatteryOptimizeUtils.getAppOptimizationMode();
         initFooter();
         mLogStringBuilder = new StringBuilder("onResume mode = ").append(mOptimizationMode);
     }

     @Override
     public void onPause() {
         super.onPause();

         notifyBackupManager();
         final int currentOptimizeMode = mBatteryOptimizeUtils.getAppOptimizationMode();
         mLogStringBuilder.append(", onPause mode = ").append(currentOptimizeMode);
         logMetricCategory(currentOptimizeMode);

         mExecutor.execute(
                 () -> {
                     BatteryOptimizeLogUtils.writeLog(
                             getContext().getApplicationContext(),
                             Action.LEAVE,
                             BatteryOptimizeLogUtils.getPackageNameWithUserId(
                                     mBatteryOptimizeUtils.getPackageName(), UserHandle.myUserId()),
                             mLogStringBuilder.toString());
                 });
         Log.d(TAG, "Leave with mode: " + currentOptimizeMode);
     }

     @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));

         return controllers;
     }

     @Override
     protected int getPreferenceScreenResId() {
         return R.xml.power_background_usage_detail;
     }

     @Override
     protected String getLogTag() {
         return TAG;
     }

     @VisibleForTesting
     void updateSelectorPreference(boolean isEnabled) {
         mOptimizePreference.setEnabled(isEnabled);
         mUnrestrictedPreference.setEnabled(isEnabled);
         onRadioButtonClicked(isEnabled ? mOptimizePreference : null);
     }

     @VisibleForTesting
     void notifyBackupManager() {
         if (mOptimizationMode != mBatteryOptimizeUtils.getAppOptimizationMode()) {
             final BackupManager backupManager =
                     mBackupManager != null ? mBackupManager : new BackupManager(getContext());
             backupManager.dataChanged();
         }
     }

     @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())
                 .setArguments(args)
                 .setSourceMetricsCategory(SettingsEnums.FUELGAUGE_POWER_USAGE_MANAGE_BACKGROUND)
                 .launch();
     }

     @VisibleForTesting
     void initHeader() {
         final View appSnippet = mHeaderPreference.findViewById(R.id.entity_header);
         final Activity context = getActivity();
         final Bundle bundle = getArguments();
         EntityHeaderController controller =
                 EntityHeaderController.newInstance(context, this, appSnippet)
                         .setButtonActions(
                                 EntityHeaderController.ActionType.ACTION_NONE,
                                 EntityHeaderController.ActionType.ACTION_NONE);

         if (mAppEntry == null) {
             controller.setLabel(bundle.getString(EXTRA_LABEL));

             final int iconId = bundle.getInt(EXTRA_ICON_ID, 0);
             if (iconId == 0) {
                 controller.setIcon(context.getPackageManager().getDefaultActivityIcon());
             } else {
                 controller.setIcon(context.getDrawable(bundle.getInt(EXTRA_ICON_ID)));
             }
         } else {
             mState.ensureIcon(mAppEntry);
             controller.setLabel(mAppEntry);
             controller.setIcon(mAppEntry);
             controller.setIsInstantApp(AppUtils.isInstant(mAppEntry.info));
         }

         controller.done(true /* rebindActions */);
     }

     @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);
         }
         mFooterPreference.setTitle(footerString);
         final Intent helpIntent =
                 HelpUtils.getHelpIntent(
                         context,
                         context.getString(R.string.help_url_app_usage_settings),
                         /* backupContext= */ "");
         if (helpIntent != null) {
             mFooterPreference.setLearnMoreAction(
                     v -> startActivityForResult(helpIntent, /* requestCode= */ 0));
             mFooterPreference.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;
         }
         int metricCategory = 0;
         switch (currentOptimizeMode) {
             case BatteryOptimizeUtils.MODE_UNRESTRICTED:
                 metricCategory = SettingsEnums.ACTION_APP_BATTERY_USAGE_UNRESTRICTED;
                 break;
             case BatteryOptimizeUtils.MODE_OPTIMIZED:
                 metricCategory = SettingsEnums.ACTION_APP_BATTERY_USAGE_OPTIMIZED;
                 break;
             case BatteryOptimizeUtils.MODE_RESTRICTED:
                 metricCategory = SettingsEnums.ACTION_APP_BATTERY_USAGE_RESTRICTED;
                 break;
         }
         if (metricCategory == 0) {
             return;
         }
         int finalMetricCategory = metricCategory;
         mExecutor.execute(
                 () -> {
                     String packageName =
                             BatteryUtils.getLoggingPackageName(
                                     getContext(), mBatteryOptimizeUtils.getPackageName());
                     FeatureFactory.getFeatureFactory()
                             .getMetricsFeatureProvider()
                             .action(
                                     /* attribution */ SettingsEnums
                                             .LEAVE_POWER_USAGE_MANAGE_BACKGROUND,
                                     /* action */ finalMetricCategory,
                                     /* pageId */ SettingsEnums
                                             .FUELGAUGE_POWER_USAGE_MANAGE_BACKGROUND,
                                     packageName,
                                     getArguments().getInt(EXTRA_POWER_USAGE_AMOUNT));
                 });
     }
 }
	/*
	* 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.android.settings.fuelgauge.BatteryOptimizeHistoricalLogEntry.Action;

	import android.app.Activity;
	import android.app.backup.BackupManager;
	import android.app.settings.SettingsEnums;
	import android.content.Context;
	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;

	import com.android.settings.R;
	import com.android.settings.core.SubSettingLauncher;
	import com.android.settings.dashboard.DashboardFragment;
	import com.android.settings.overlay.FeatureFactory;
	import com.android.settings.widget.EntityHeaderController;
	import com.android.settingslib.HelpUtils;
	import com.android.settingslib.applications.AppUtils;
	import com.android.settingslib.applications.ApplicationsState;
	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;
	import java.util.concurrent.ExecutorService;
	import java.util.concurrent.Executors;

	/** Allow background usage fragment for each app */
	public class PowerBackgroundUsageDetail extends DashboardFragment
	implements SelectorWithWidgetPreference.OnClickListener, OnCheckedChangeListener {
	private static final String TAG = "PowerBackgroundUsageDetail";

	public static final String EXTRA_UID = "extra_uid";
	public static final String EXTRA_PACKAGE_NAME = "extra_package_name";
	public static final String EXTRA_LABEL = "extra_label";
	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 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 BackupManager mBackupManager;
	@VisibleForTesting StringBuilder mLogStringBuilder;

	@VisibleForTesting @BatteryOptimizeUtils.OptimizationMode
	int mOptimizationMode = BatteryOptimizeUtils.MODE_UNKNOWN;

	@Override
	public void onAttach(Activity activity) {
	super.onAttach(activity);

	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());
	}
	}

	@Override
	public void onResume() {
	super.onResume();
	initHeader();
	mOptimizationMode = mBatteryOptimizeUtils.getAppOptimizationMode();
	initFooter();
	mLogStringBuilder = new StringBuilder("onResume mode = ").append(mOptimizationMode);
	}

	@Override
	public void onPause() {
	super.onPause();

	notifyBackupManager();
	final int currentOptimizeMode = mBatteryOptimizeUtils.getAppOptimizationMode();
	mLogStringBuilder.append(", onPause mode = ").append(currentOptimizeMode);
	logMetricCategory(currentOptimizeMode);

	mExecutor.execute(
	() -> {
	BatteryOptimizeLogUtils.writeLog(
	getContext().getApplicationContext(),
	Action.LEAVE,
	BatteryOptimizeLogUtils.getPackageNameWithUserId(
	mBatteryOptimizeUtils.getPackageName(), UserHandle.myUserId()),
	mLogStringBuilder.toString());
	});
	Log.d(TAG, "Leave with mode: " + currentOptimizeMode);
	}

	@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));

	return controllers;
	}

	@Override
	protected int getPreferenceScreenResId() {
	return R.xml.power_background_usage_detail;
	}

	@Override
	protected String getLogTag() {
	return TAG;
	}

	@VisibleForTesting
	void updateSelectorPreference(boolean isEnabled) {
	mOptimizePreference.setEnabled(isEnabled);
	mUnrestrictedPreference.setEnabled(isEnabled);
	onRadioButtonClicked(isEnabled ? mOptimizePreference : null);
	}

	@VisibleForTesting
	void notifyBackupManager() {
	if (mOptimizationMode != mBatteryOptimizeUtils.getAppOptimizationMode()) {
	final BackupManager backupManager =
	mBackupManager != null ? mBackupManager : new BackupManager(getContext());
	backupManager.dataChanged();
	}
	}

	@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())
	.setArguments(args)
	.setSourceMetricsCategory(SettingsEnums.FUELGAUGE_POWER_USAGE_MANAGE_BACKGROUND)
	.launch();
	}

	@VisibleForTesting
	void initHeader() {
	final View appSnippet = mHeaderPreference.findViewById(R.id.entity_header);
	final Activity context = getActivity();
	final Bundle bundle = getArguments();
	EntityHeaderController controller =
	EntityHeaderController.newInstance(context, this, appSnippet)
	.setButtonActions(
	EntityHeaderController.ActionType.ACTION_NONE,
	EntityHeaderController.ActionType.ACTION_NONE);

	if (mAppEntry == null) {
	controller.setLabel(bundle.getString(EXTRA_LABEL));

	final int iconId = bundle.getInt(EXTRA_ICON_ID, 0);
	if (iconId == 0) {
	controller.setIcon(context.getPackageManager().getDefaultActivityIcon());
	} else {
	controller.setIcon(context.getDrawable(bundle.getInt(EXTRA_ICON_ID)));
	}
	} else {
	mState.ensureIcon(mAppEntry);
	controller.setLabel(mAppEntry);
	controller.setIcon(mAppEntry);
	controller.setIsInstantApp(AppUtils.isInstant(mAppEntry.info));
	}

	controller.done(true /* rebindActions */);
	}

	@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);
	}
	mFooterPreference.setTitle(footerString);
	final Intent helpIntent =
	HelpUtils.getHelpIntent(
	context,
	context.getString(R.string.help_url_app_usage_settings),
	/* backupContext= */ "");
	if (helpIntent != null) {
	mFooterPreference.setLearnMoreAction(
	v -> startActivityForResult(helpIntent, /* requestCode= */ 0));
	mFooterPreference.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;
	}
	int metricCategory = 0;
	switch (currentOptimizeMode) {
	case BatteryOptimizeUtils.MODE_UNRESTRICTED:
	metricCategory = SettingsEnums.ACTION_APP_BATTERY_USAGE_UNRESTRICTED;
	break;
	case BatteryOptimizeUtils.MODE_OPTIMIZED:
	metricCategory = SettingsEnums.ACTION_APP_BATTERY_USAGE_OPTIMIZED;
	break;
	case BatteryOptimizeUtils.MODE_RESTRICTED:
	metricCategory = SettingsEnums.ACTION_APP_BATTERY_USAGE_RESTRICTED;
	break;
	}
	if (metricCategory == 0) {
	return;
	}
	int finalMetricCategory = metricCategory;
	mExecutor.execute(
	() -> {
	String packageName =
	BatteryUtils.getLoggingPackageName(
	getContext(), mBatteryOptimizeUtils.getPackageName());
	FeatureFactory.getFeatureFactory()
	.getMetricsFeatureProvider()
	.action(
	/* attribution */ SettingsEnums
	.LEAVE_POWER_USAGE_MANAGE_BACKGROUND,
	/* action */ finalMetricCategory,
	/* pageId */ SettingsEnums
	.FUELGAUGE_POWER_USAGE_MANAGE_BACKGROUND,
	packageName,
	getArguments().getInt(EXTRA_POWER_USAGE_AMOUNT));
	});
	}
	}