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

 /*
  * 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 android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.graphics.drawable.Drawable;
 import android.os.Process;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.util.Log;

 import androidx.annotation.VisibleForTesting;

 import com.android.settingslib.utils.StringUtil;

 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;

 /** A container class to carry battery data in a specific time slot. */
 public class BatteryDiffEntry {
     private static final String TAG = "BatteryDiffEntry";

     static Locale sCurrentLocale = null;
     // Caches app label and icon to improve loading performance.
     static final Map<String, BatteryEntry.NameAndIcon> sResourceCache = new HashMap<>();
     // Whether a specific item is valid to launch restriction page?
     @VisibleForTesting(otherwise = VisibleForTesting.PACKAGE_PRIVATE)
     public static final Map<String, Boolean> sValidForRestriction = new HashMap<>();

     /** A comparator for {@link BatteryDiffEntry} based on consumed percentage. */
     public static final Comparator<BatteryDiffEntry> COMPARATOR =
             (a, b) -> Double.compare(b.getPercentOfTotal(), a.getPercentOfTotal());

     public long mForegroundUsageTimeInMs;
     public long mBackgroundUsageTimeInMs;
     public double mConsumePower;
     // A BatteryHistEntry corresponding to this diff usage data.
     public final BatteryHistEntry mBatteryHistEntry;
     private double mTotalConsumePower;
     private double mPercentOfTotal;

     private Context mContext;
     private UserManager mUserManager;
     private String mDefaultPackageName = null;

     @VisibleForTesting int mAppIconId;
     @VisibleForTesting String mAppLabel = null;
     @VisibleForTesting Drawable mAppIcon = null;
     @VisibleForTesting boolean mIsLoaded = false;
     @VisibleForTesting boolean mValidForRestriction = true;

     public BatteryDiffEntry(
             Context context,
             long foregroundUsageTimeInMs,
             long backgroundUsageTimeInMs,
             double consumePower,
             BatteryHistEntry batteryHistEntry) {
         mContext = context;
         mConsumePower = consumePower;
         mForegroundUsageTimeInMs = foregroundUsageTimeInMs;
         mBackgroundUsageTimeInMs = backgroundUsageTimeInMs;
         mBatteryHistEntry = batteryHistEntry;
         mUserManager = context.getSystemService(UserManager.class);
     }

     /** Sets the total consumed power in a specific time slot. */
     public void setTotalConsumePower(double totalConsumePower) {
         mTotalConsumePower = totalConsumePower;
         mPercentOfTotal = totalConsumePower == 0
             ? 0 : (mConsumePower / mTotalConsumePower) * 100.0;
     }

     /** Gets the percentage of total consumed power. */
     public double getPercentOfTotal() {
         return mPercentOfTotal;
     }

     /** Clones a new instance. */
     public BatteryDiffEntry clone() {
         return new BatteryDiffEntry(
             this.mContext,
             this.mForegroundUsageTimeInMs,
             this.mBackgroundUsageTimeInMs,
             this.mConsumePower,
             this.mBatteryHistEntry /*same instance*/);
     }

     /** Gets the app label name for this entry. */
     public String getAppLabel() {
         loadLabelAndIcon();
         // Returns default applicationn label if we cannot find it.
         return mAppLabel == null || mAppLabel.length() == 0
             ? mBatteryHistEntry.mAppLabel
             : mAppLabel;
     }

     /** Gets the app icon {@link Drawable} for this entry. */
     public Drawable getAppIcon() {
         loadLabelAndIcon();
         return mAppIcon != null && mAppIcon.getConstantState() != null
                 ? mAppIcon.getConstantState().newDrawable()
                 : null;
     }

     /** Gets the app icon id for this entry. */
     public int getAppIconId() {
         loadLabelAndIcon();
         return mAppIconId;
     }

     /** Gets the searching package name for UID battery type. */
     public String getPackageName() {
         final String packageName = mDefaultPackageName != null
             ? mDefaultPackageName : mBatteryHistEntry.mPackageName;
         if (packageName == null) {
             return packageName;
         }
         // Removes potential appended process name in the PackageName.
         // From "com.opera.browser:privileged_process0" to "com.opera.browser"
         final String[] splittedPackageNames = packageName.split(":");
         return splittedPackageNames != null && splittedPackageNames.length > 0
             ? splittedPackageNames[0] : packageName;
     }

     /** Whether this item is valid for users to launch restriction page? */
     public boolean validForRestriction() {
         loadLabelAndIcon();
         return mValidForRestriction;
     }

     /** Whether the current BatteryDiffEntry is system component or not. */
     public boolean isSystemEntry() {
         switch (mBatteryHistEntry.mConsumerType) {
             case ConvertUtils.CONSUMER_TYPE_USER_BATTERY:
             case ConvertUtils.CONSUMER_TYPE_SYSTEM_BATTERY:
                 return true;
             case ConvertUtils.CONSUMER_TYPE_UID_BATTERY:
                 return isSystemUid((int) mBatteryHistEntry.mUid)
                     || mBatteryHistEntry.mIsHidden;
         }
         return false;
     }

     void loadLabelAndIcon() {
         if (mIsLoaded) {
             return;
         }
         // Checks whether we have cached data or not first before fetching.
         final BatteryEntry.NameAndIcon nameAndIcon = getCache();
         if (nameAndIcon != null) {
             mAppLabel = nameAndIcon.name;
             mAppIcon = nameAndIcon.icon;
             mAppIconId = nameAndIcon.iconId;
         }
         final Boolean validForRestriction = sValidForRestriction.get(getKey());
         if (validForRestriction != null) {
             mValidForRestriction = validForRestriction;
         }
         // Both nameAndIcon and restriction configuration have cached data.
         if (nameAndIcon != null && validForRestriction != null) {
             return;
         }
         mIsLoaded = true;

         // Configures whether we can launch restriction page or not.
         updateRestrictionFlagState();
         sValidForRestriction.put(getKey(), Boolean.valueOf(mValidForRestriction));

         // Loads application icon and label based on consumer type.
         switch (mBatteryHistEntry.mConsumerType) {
             case ConvertUtils.CONSUMER_TYPE_USER_BATTERY:
                 final BatteryEntry.NameAndIcon nameAndIconForUser =
                     BatteryEntry.getNameAndIconFromUserId(
                         mContext, (int) mBatteryHistEntry.mUserId);
                 if (nameAndIconForUser != null) {
                     mAppIcon = nameAndIconForUser.icon;
                     mAppLabel = nameAndIconForUser.name;
                     sResourceCache.put(
                         getKey(),
                         new BatteryEntry.NameAndIcon(mAppLabel, mAppIcon, /*iconId=*/ 0));
                 }
                 break;
             case ConvertUtils.CONSUMER_TYPE_SYSTEM_BATTERY:
                 final BatteryEntry.NameAndIcon nameAndIconForSystem =
                     BatteryEntry.getNameAndIconFromPowerComponent(
                         mContext, mBatteryHistEntry.mDrainType);
                 if (nameAndIconForSystem != null) {
                     mAppLabel = nameAndIconForSystem.name;
                     if (nameAndIconForSystem.iconId != 0) {
                         mAppIconId = nameAndIconForSystem.iconId;
                         mAppIcon = mContext.getDrawable(nameAndIconForSystem.iconId);
                     }
                     sResourceCache.put(
                         getKey(),
                         new BatteryEntry.NameAndIcon(mAppLabel, mAppIcon, mAppIconId));
                 }
                 break;
             case ConvertUtils.CONSUMER_TYPE_UID_BATTERY:
                 loadNameAndIconForUid();
                 // Uses application default icon if we cannot find it from package.
                 if (mAppIcon == null) {
                     mAppIcon = mContext.getPackageManager().getDefaultActivityIcon();
                 }
                 // Adds badge icon into app icon for work profile.
                 mAppIcon = getBadgeIconForUser(mAppIcon);
                 if (mAppLabel != null || mAppIcon != null) {
                     sResourceCache.put(
                         getKey(),
                         new BatteryEntry.NameAndIcon(mAppLabel, mAppIcon, /*iconId=*/ 0));
                 }
                 break;
         }
     }

     @VisibleForTesting
     String getKey() {
         return mBatteryHistEntry.getKey();
     }

     @VisibleForTesting
     void updateRestrictionFlagState() {
         mValidForRestriction = true;
         if (!mBatteryHistEntry.isAppEntry()) {
             return;
         }
         final boolean isValidPackage =
                 BatteryUtils.getInstance(mContext).getPackageUid(getPackageName())
             != BatteryUtils.UID_NULL;
         if (!isValidPackage) {
             mValidForRestriction = false;
             return;
         }
         try {
             mValidForRestriction =
                 mContext.getPackageManager().getPackageInfo(
                     getPackageName(),
                     PackageManager.MATCH_DISABLED_COMPONENTS
                         | PackageManager.MATCH_ANY_USER
                         | PackageManager.GET_SIGNATURES
                         | PackageManager.GET_PERMISSIONS)
                 != null;
         } catch (Exception e) {
             Log.e(TAG, String.format("getPackageInfo() error %s for package=%s",
                 e.getCause(), getPackageName()));
             mValidForRestriction = false;
         }
     }

     private BatteryEntry.NameAndIcon getCache() {
         final Locale locale = Locale.getDefault();
         if (sCurrentLocale != locale) {
             Log.d(TAG, String.format("clearCache() locale is changed from %s to %s",
                 sCurrentLocale, locale));
             sCurrentLocale = locale;
             clearCache();
         }
         return sResourceCache.get(getKey());
     }

     private void loadNameAndIconForUid() {
         final String packageName = getPackageName();
         final PackageManager packageManager = mContext.getPackageManager();
         // Gets the application label from PackageManager.
         if (packageName != null && packageName.length() != 0) {
             try {
                 final ApplicationInfo appInfo =
                     packageManager.getApplicationInfo(packageName, /*no flags*/ 0);
                 if (appInfo != null) {
                     mAppLabel = packageManager.getApplicationLabel(appInfo).toString();
                     mAppIcon = packageManager.getApplicationIcon(appInfo);
                 }
             } catch (NameNotFoundException e) {
                 Log.e(TAG, "failed to retrieve ApplicationInfo for: " + packageName);
                 mAppLabel = packageName;
             }
         }
         // Early return if we found the app label and icon resource.
         if (mAppLabel != null && mAppIcon != null) {
             return;
         }

         final int uid = (int) mBatteryHistEntry.mUid;
         final String[] packages = packageManager.getPackagesForUid(uid);
         // Loads special defined application label and icon if available.
         if (packages == null || packages.length == 0) {
             final BatteryEntry.NameAndIcon nameAndIcon =
                 BatteryEntry.getNameAndIconFromUid(mContext, mAppLabel, uid);
             mAppLabel = nameAndIcon.name;
             mAppIcon = nameAndIcon.icon;
         }

         final BatteryEntry.NameAndIcon nameAndIcon =
             BatteryEntry.loadNameAndIcon(
                 mContext, uid, /*handler=*/ null, /*batteryEntry=*/ null,
                 packageName, mAppLabel, mAppIcon);
         // Clears BatteryEntry internal cache since we will have another one.
         BatteryEntry.clearUidCache();
         if (nameAndIcon != null) {
             mAppLabel = nameAndIcon.name;
             mAppIcon = nameAndIcon.icon;
             mDefaultPackageName = nameAndIcon.packageName;
             if (mDefaultPackageName != null
                     && !mDefaultPackageName.equals(nameAndIcon.packageName)) {
                 Log.w(TAG, String.format("found different package: %s | %s",
                     mDefaultPackageName, nameAndIcon.packageName));
             }
         }
     }

     @Override
     public String toString() {
         final StringBuilder builder = new StringBuilder()
             .append("BatteryDiffEntry{")
             .append(String.format("\n\tname=%s restrictable=%b",
                   mAppLabel, mValidForRestriction))
             .append(String.format("\n\tconsume=%.2f%% %f/%f",
                   mPercentOfTotal, mConsumePower, mTotalConsumePower))
             .append(String.format("\n\tforeground:%s background:%s",
                   StringUtil.formatElapsedTime(mContext, mForegroundUsageTimeInMs,
                       /*withSeconds=*/ true, /*collapseTimeUnit=*/ false),
                   StringUtil.formatElapsedTime(mContext, mBackgroundUsageTimeInMs,
                       /*withSeconds=*/ true, /*collapseTimeUnit=*/ false)))
             .append(String.format("\n\tpackage:%s|%s uid:%d userId:%d",
                   mBatteryHistEntry.mPackageName, getPackageName(),
                   mBatteryHistEntry.mUid, mBatteryHistEntry.mUserId));
         return builder.toString();
     }

     /** Clears app icon and label cache data. */
     public static void clearCache() {
         sResourceCache.clear();
         sValidForRestriction.clear();
     }

     private Drawable getBadgeIconForUser(Drawable icon) {
         final int userId = UserHandle.getUserId((int) mBatteryHistEntry.mUid);
         return userId == UserHandle.USER_OWNER ? icon :
             mUserManager.getBadgedIconForUser(icon, new UserHandle(userId));
     }

     private static boolean isSystemUid(int uid) {
         final int appUid = UserHandle.getAppId(uid);
         return appUid >= Process.SYSTEM_UID && appUid < Process.FIRST_APPLICATION_UID;
     }
 }
	/*
	* 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 android.content.pm.ApplicationInfo;
	import android.content.pm.PackageManager;
	import android.content.pm.PackageManager.NameNotFoundException;
	import android.graphics.drawable.Drawable;
	import android.os.Process;
	import android.os.UserHandle;
	import android.os.UserManager;
	import android.util.Log;

	import androidx.annotation.VisibleForTesting;

	import com.android.settingslib.utils.StringUtil;

	import java.util.Comparator;
	import java.util.HashMap;
	import java.util.Locale;
	import java.util.Map;

	/** A container class to carry battery data in a specific time slot. */
	public class BatteryDiffEntry {
	private static final String TAG = "BatteryDiffEntry";

	static Locale sCurrentLocale = null;
	// Caches app label and icon to improve loading performance.
	static final Map<String, BatteryEntry.NameAndIcon> sResourceCache = new HashMap<>();
	// Whether a specific item is valid to launch restriction page?
	@VisibleForTesting(otherwise = VisibleForTesting.PACKAGE_PRIVATE)
	public static final Map<String, Boolean> sValidForRestriction = new HashMap<>();

	/** A comparator for {@link BatteryDiffEntry} based on consumed percentage. */
	public static final Comparator<BatteryDiffEntry> COMPARATOR =
	(a, b) -> Double.compare(b.getPercentOfTotal(), a.getPercentOfTotal());

	public long mForegroundUsageTimeInMs;
	public long mBackgroundUsageTimeInMs;
	public double mConsumePower;
	// A BatteryHistEntry corresponding to this diff usage data.
	public final BatteryHistEntry mBatteryHistEntry;
	private double mTotalConsumePower;
	private double mPercentOfTotal;

	private Context mContext;
	private UserManager mUserManager;
	private String mDefaultPackageName = null;

	@VisibleForTesting int mAppIconId;
	@VisibleForTesting String mAppLabel = null;
	@VisibleForTesting Drawable mAppIcon = null;
	@VisibleForTesting boolean mIsLoaded = false;
	@VisibleForTesting boolean mValidForRestriction = true;

	public BatteryDiffEntry(
	Context context,
	long foregroundUsageTimeInMs,
	long backgroundUsageTimeInMs,
	double consumePower,
	BatteryHistEntry batteryHistEntry) {
	mContext = context;
	mConsumePower = consumePower;
	mForegroundUsageTimeInMs = foregroundUsageTimeInMs;
	mBackgroundUsageTimeInMs = backgroundUsageTimeInMs;
	mBatteryHistEntry = batteryHistEntry;
	mUserManager = context.getSystemService(UserManager.class);
	}

	/** Sets the total consumed power in a specific time slot. */
	public void setTotalConsumePower(double totalConsumePower) {
	mTotalConsumePower = totalConsumePower;
	mPercentOfTotal = totalConsumePower == 0
	? 0 : (mConsumePower / mTotalConsumePower) * 100.0;
	}

	/** Gets the percentage of total consumed power. */
	public double getPercentOfTotal() {
	return mPercentOfTotal;
	}

	/** Clones a new instance. */
	public BatteryDiffEntry clone() {
	return new BatteryDiffEntry(
	this.mContext,
	this.mForegroundUsageTimeInMs,
	this.mBackgroundUsageTimeInMs,
	this.mConsumePower,
	this.mBatteryHistEntry /same instance/);
	}

	/** Gets the app label name for this entry. */
	public String getAppLabel() {
	loadLabelAndIcon();
	// Returns default applicationn label if we cannot find it.
	return mAppLabel == null \|\| mAppLabel.length() == 0
	? mBatteryHistEntry.mAppLabel
	: mAppLabel;
	}

	/** Gets the app icon {@link Drawable} for this entry. */
	public Drawable getAppIcon() {
	loadLabelAndIcon();
	return mAppIcon != null && mAppIcon.getConstantState() != null
	? mAppIcon.getConstantState().newDrawable()
	: null;
	}

	/** Gets the app icon id for this entry. */
	public int getAppIconId() {
	loadLabelAndIcon();
	return mAppIconId;
	}

	/** Gets the searching package name for UID battery type. */
	public String getPackageName() {
	final String packageName = mDefaultPackageName != null
	? mDefaultPackageName : mBatteryHistEntry.mPackageName;
	if (packageName == null) {
	return packageName;
	}
	// Removes potential appended process name in the PackageName.
	// From "com.opera.browser:privileged_process0" to "com.opera.browser"
	final String[] splittedPackageNames = packageName.split(":");
	return splittedPackageNames != null && splittedPackageNames.length > 0
	? splittedPackageNames[0] : packageName;
	}

	/** Whether this item is valid for users to launch restriction page? */
	public boolean validForRestriction() {
	loadLabelAndIcon();
	return mValidForRestriction;
	}

	/** Whether the current BatteryDiffEntry is system component or not. */
	public boolean isSystemEntry() {
	switch (mBatteryHistEntry.mConsumerType) {
	case ConvertUtils.CONSUMER_TYPE_USER_BATTERY:
	case ConvertUtils.CONSUMER_TYPE_SYSTEM_BATTERY:
	return true;
	case ConvertUtils.CONSUMER_TYPE_UID_BATTERY:
	return isSystemUid((int) mBatteryHistEntry.mUid)
	\|\| mBatteryHistEntry.mIsHidden;
	}
	return false;
	}

	void loadLabelAndIcon() {
	if (mIsLoaded) {
	return;
	}
	// Checks whether we have cached data or not first before fetching.
	final BatteryEntry.NameAndIcon nameAndIcon = getCache();
	if (nameAndIcon != null) {
	mAppLabel = nameAndIcon.name;
	mAppIcon = nameAndIcon.icon;
	mAppIconId = nameAndIcon.iconId;
	}
	final Boolean validForRestriction = sValidForRestriction.get(getKey());
	if (validForRestriction != null) {
	mValidForRestriction = validForRestriction;
	}
	// Both nameAndIcon and restriction configuration have cached data.
	if (nameAndIcon != null && validForRestriction != null) {
	return;
	}
	mIsLoaded = true;

	// Configures whether we can launch restriction page or not.
	updateRestrictionFlagState();
	sValidForRestriction.put(getKey(), Boolean.valueOf(mValidForRestriction));

	// Loads application icon and label based on consumer type.
	switch (mBatteryHistEntry.mConsumerType) {
	case ConvertUtils.CONSUMER_TYPE_USER_BATTERY:
	final BatteryEntry.NameAndIcon nameAndIconForUser =
	BatteryEntry.getNameAndIconFromUserId(
	mContext, (int) mBatteryHistEntry.mUserId);
	if (nameAndIconForUser != null) {
	mAppIcon = nameAndIconForUser.icon;
	mAppLabel = nameAndIconForUser.name;
	sResourceCache.put(
	getKey(),
	new BatteryEntry.NameAndIcon(mAppLabel, mAppIcon, /iconId=/ 0));
	}
	break;
	case ConvertUtils.CONSUMER_TYPE_SYSTEM_BATTERY:
	final BatteryEntry.NameAndIcon nameAndIconForSystem =
	BatteryEntry.getNameAndIconFromPowerComponent(
	mContext, mBatteryHistEntry.mDrainType);
	if (nameAndIconForSystem != null) {
	mAppLabel = nameAndIconForSystem.name;
	if (nameAndIconForSystem.iconId != 0) {
	mAppIconId = nameAndIconForSystem.iconId;
	mAppIcon = mContext.getDrawable(nameAndIconForSystem.iconId);
	}
	sResourceCache.put(
	getKey(),
	new BatteryEntry.NameAndIcon(mAppLabel, mAppIcon, mAppIconId));
	}
	break;
	case ConvertUtils.CONSUMER_TYPE_UID_BATTERY:
	loadNameAndIconForUid();
	// Uses application default icon if we cannot find it from package.
	if (mAppIcon == null) {
	mAppIcon = mContext.getPackageManager().getDefaultActivityIcon();
	}
	// Adds badge icon into app icon for work profile.
	mAppIcon = getBadgeIconForUser(mAppIcon);
	if (mAppLabel != null \|\| mAppIcon != null) {
	sResourceCache.put(
	getKey(),
	new BatteryEntry.NameAndIcon(mAppLabel, mAppIcon, /iconId=/ 0));
	}
	break;
	}
	}

	@VisibleForTesting
	String getKey() {
	return mBatteryHistEntry.getKey();
	}

	@VisibleForTesting
	void updateRestrictionFlagState() {
	mValidForRestriction = true;
	if (!mBatteryHistEntry.isAppEntry()) {
	return;
	}
	final boolean isValidPackage =
	BatteryUtils.getInstance(mContext).getPackageUid(getPackageName())
	!= BatteryUtils.UID_NULL;
	if (!isValidPackage) {
	mValidForRestriction = false;
	return;
	}
	try {
	mValidForRestriction =
	mContext.getPackageManager().getPackageInfo(
	getPackageName(),
	PackageManager.MATCH_DISABLED_COMPONENTS
	\| PackageManager.MATCH_ANY_USER
	\| PackageManager.GET_SIGNATURES
	\| PackageManager.GET_PERMISSIONS)
	!= null;
	} catch (Exception e) {
	Log.e(TAG, String.format("getPackageInfo() error %s for package=%s",
	e.getCause(), getPackageName()));
	mValidForRestriction = false;
	}
	}

	private BatteryEntry.NameAndIcon getCache() {
	final Locale locale = Locale.getDefault();
	if (sCurrentLocale != locale) {
	Log.d(TAG, String.format("clearCache() locale is changed from %s to %s",
	sCurrentLocale, locale));
	sCurrentLocale = locale;
	clearCache();
	}
	return sResourceCache.get(getKey());
	}

	private void loadNameAndIconForUid() {
	final String packageName = getPackageName();
	final PackageManager packageManager = mContext.getPackageManager();
	// Gets the application label from PackageManager.
	if (packageName != null && packageName.length() != 0) {
	try {
	final ApplicationInfo appInfo =
	packageManager.getApplicationInfo(packageName, /no flags/ 0);
	if (appInfo != null) {
	mAppLabel = packageManager.getApplicationLabel(appInfo).toString();
	mAppIcon = packageManager.getApplicationIcon(appInfo);
	}
	} catch (NameNotFoundException e) {
	Log.e(TAG, "failed to retrieve ApplicationInfo for: " + packageName);
	mAppLabel = packageName;
	}
	}
	// Early return if we found the app label and icon resource.
	if (mAppLabel != null && mAppIcon != null) {
	return;
	}

	final int uid = (int) mBatteryHistEntry.mUid;
	final String[] packages = packageManager.getPackagesForUid(uid);
	// Loads special defined application label and icon if available.
	if (packages == null \|\| packages.length == 0) {
	final BatteryEntry.NameAndIcon nameAndIcon =
	BatteryEntry.getNameAndIconFromUid(mContext, mAppLabel, uid);
	mAppLabel = nameAndIcon.name;
	mAppIcon = nameAndIcon.icon;
	}

	final BatteryEntry.NameAndIcon nameAndIcon =
	BatteryEntry.loadNameAndIcon(
	mContext, uid, /handler=/ null, /batteryEntry=/ null,
	packageName, mAppLabel, mAppIcon);
	// Clears BatteryEntry internal cache since we will have another one.
	BatteryEntry.clearUidCache();
	if (nameAndIcon != null) {
	mAppLabel = nameAndIcon.name;
	mAppIcon = nameAndIcon.icon;
	mDefaultPackageName = nameAndIcon.packageName;
	if (mDefaultPackageName != null
	&& !mDefaultPackageName.equals(nameAndIcon.packageName)) {
	Log.w(TAG, String.format("found different package: %s \| %s",
	mDefaultPackageName, nameAndIcon.packageName));
	}
	}
	}

	@Override
	public String toString() {
	final StringBuilder builder = new StringBuilder()
	.append("BatteryDiffEntry{")
	.append(String.format("\n\tname=%s restrictable=%b",
	mAppLabel, mValidForRestriction))
	.append(String.format("\n\tconsume=%.2f%% %f/%f",
	mPercentOfTotal, mConsumePower, mTotalConsumePower))
	.append(String.format("\n\tforeground:%s background:%s",
	StringUtil.formatElapsedTime(mContext, mForegroundUsageTimeInMs,
	/withSeconds=/ true, /collapseTimeUnit=/ false),
	StringUtil.formatElapsedTime(mContext, mBackgroundUsageTimeInMs,
	/withSeconds=/ true, /collapseTimeUnit=/ false)))
	.append(String.format("\n\tpackage:%s\|%s uid:%d userId:%d",
	mBatteryHistEntry.mPackageName, getPackageName(),
	mBatteryHistEntry.mUid, mBatteryHistEntry.mUserId));
	return builder.toString();
	}

	/** Clears app icon and label cache data. */
	public static void clearCache() {
	sResourceCache.clear();
	sValidForRestriction.clear();
	}

	private Drawable getBadgeIconForUser(Drawable icon) {
	final int userId = UserHandle.getUserId((int) mBatteryHistEntry.mUid);
	return userId == UserHandle.USER_OWNER ? icon :
	mUserManager.getBadgedIconForUser(icon, new UserHandle(userId));
	}

	private static boolean isSystemUid(int uid) {
	final int appUid = UserHandle.getAppId(uid);
	return appUid >= Process.SYSTEM_UID && appUid < Process.FIRST_APPLICATION_UID;
	}
	}