diff --git a/Android.bp b/Android.bp
index b716117..cc10bc3 100644
--- a/Android.bp
+++ b/Android.bp
@@ -94,15 +94,11 @@
         "SettingsLibActivityEmbedding",
         "aconfig_settings_flags_lib",
         "accessibility_settings_flags_lib",
-        "app-usage-event-protos-lite",
-        "battery-event-protos-lite",
-        "battery-usage-slot-protos-lite",
         "contextualcards",
         "development_settings_flag_lib",
         "factory_reset_flags_lib",
         "fuelgauge-log-protos-lite",
-        "fuelgauge-usage-state-protos-lite",
-        "power-anomaly-event-protos-lite",
+        "fuelgauge-protos-lite",
         "settings-contextual-card-protos-lite",
         "settings-log-bridge-protos-lite",
         "settings-logtags",
diff --git a/src/com/android/settings/fuelgauge/PowerUsageFeatureProvider.java b/src/com/android/settings/fuelgauge/PowerUsageFeatureProvider.java
index a04d8f8..d40e42a 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageFeatureProvider.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageFeatureProvider.java
@@ -22,11 +22,16 @@
 import android.util.ArrayMap;
 import android.util.SparseIntArray;
 
+import androidx.annotation.NonNull;
+
+import com.android.settings.fuelgauge.batteryusage.BatteryDiffData;
+import com.android.settings.fuelgauge.batteryusage.BatteryEvent;
 import com.android.settings.fuelgauge.batteryusage.DetectRequestSourceType;
 import com.android.settings.fuelgauge.batteryusage.PowerAnomalyEventList;
 import com.android.settingslib.fuelgauge.Estimate;
 
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 
 /** Feature Provider used in power usage */
@@ -146,4 +151,14 @@
 
     /** Whether the app optimization mode is valid to restore */
     boolean isValidToRestoreOptimizationMode(ArrayMap<String, String> deviceInfoMap);
+
+    /** Whether the battery usage reattribute is eabled or not. */
+    boolean isBatteryUsageReattributeEnabled();
+
+    /** Collect and process battery reattribute data if needed. */
+    boolean processBatteryReattributeData(
+            @NonNull Context context,
+            @NonNull Map<Long, BatteryDiffData> batteryDiffDataMap,
+            @NonNull List<BatteryEvent> batteryEventList,
+            final boolean isFromPeriodJob);
 }
diff --git a/src/com/android/settings/fuelgauge/PowerUsageFeatureProviderImpl.java b/src/com/android/settings/fuelgauge/PowerUsageFeatureProviderImpl.java
index 75ebabb..69688e2 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageFeatureProviderImpl.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageFeatureProviderImpl.java
@@ -26,13 +26,19 @@
 import android.util.ArraySet;
 import android.util.SparseIntArray;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import com.android.internal.util.ArrayUtils;
+import com.android.settings.fuelgauge.batteryusage.BatteryDiffData;
+import com.android.settings.fuelgauge.batteryusage.BatteryEvent;
 import com.android.settings.fuelgauge.batteryusage.DetectRequestSourceType;
 import com.android.settings.fuelgauge.batteryusage.PowerAnomalyEventList;
 import com.android.settingslib.fuelgauge.Estimate;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 
 /** Implementation of {@code PowerUsageFeatureProvider} */
@@ -228,4 +234,18 @@
     public boolean isValidToRestoreOptimizationMode(ArrayMap<String, String> deviceInfoMap) {
         return false;
     }
+
+    @Override
+    public boolean isBatteryUsageReattributeEnabled() {
+        return false;
+    }
+
+    @Override
+    public boolean processBatteryReattributeData(
+            @NonNull Context context,
+            @NonNull Map<Long, BatteryDiffData> batteryDiffDataMap,
+            @NonNull List<BatteryEvent> batteryEventList,
+            final boolean isFromPeriodJob) {
+        return false;
+    }
 }
diff --git a/src/com/android/settings/fuelgauge/batteryusage/BatteryDiffData.java b/src/com/android/settings/fuelgauge/batteryusage/BatteryDiffData.java
index eebf1f5..ccaf227 100644
--- a/src/com/android/settings/fuelgauge/batteryusage/BatteryDiffData.java
+++ b/src/com/android/settings/fuelgauge/batteryusage/BatteryDiffData.java
@@ -77,11 +77,13 @@
         processAndSortEntries(mSystemEntries);
     }
 
-    long getStartTimestamp() {
+    /** Gets the start timestamp. */
+    public long getStartTimestamp() {
         return mStartTimestamp;
     }
 
-    long getEndTimestamp() {
+    /** Gets the end timestamp. */
+    public long getEndTimestamp() {
         return mEndTimestamp;
     }
 
@@ -97,7 +99,8 @@
         return mScreenOnTime;
     }
 
-    List<BatteryDiffEntry> getAppDiffEntryList() {
+    /** Gets the {@link BatteryDiffEntry} list for apps. */
+    public List<BatteryDiffEntry> getAppDiffEntryList() {
         return mAppEntries;
     }
 
@@ -293,8 +296,7 @@
      * Sets total consume power, and adjusts the percentages to ensure the total round percentage
      * could be 100%, and then sorts entries based on the sorting key.
      */
-    @VisibleForTesting
-    static void processAndSortEntries(final List<BatteryDiffEntry> batteryDiffEntries) {
+    public static void processAndSortEntries(final List<BatteryDiffEntry> batteryDiffEntries) {
         if (batteryDiffEntries.isEmpty()) {
             return;
         }
diff --git a/src/com/android/settings/fuelgauge/batteryusage/ConvertUtils.java b/src/com/android/settings/fuelgauge/batteryusage/ConvertUtils.java
index df9f063..57c0596 100644
--- a/src/com/android/settings/fuelgauge/batteryusage/ConvertUtils.java
+++ b/src/com/android/settings/fuelgauge/batteryusage/ConvertUtils.java
@@ -201,6 +201,20 @@
         return defaultInstance;
     }
 
+    /** Gets the encoded string from {@link BatteryReattribute} instance. */
+    @NonNull
+    public static String encodeBatteryReattribute(
+            @NonNull BatteryReattribute batteryReattribute) {
+        return Base64.encodeToString(batteryReattribute.toByteArray(), Base64.DEFAULT);
+    }
+
+    /** Gets the decoded {@link BatteryReattribute} instance from string. */
+    @NonNull
+    public static BatteryReattribute decodeBatteryReattribute(@NonNull String content) {
+        return BatteryUtils.parseProtoFromString(
+                content, BatteryReattribute.getDefaultInstance());
+    }
+
     /** Converts to {@link BatteryHistEntry} */
     public static BatteryHistEntry convertToBatteryHistEntry(
             BatteryEntry entry, BatteryUsageStats batteryUsageStats) {
diff --git a/src/com/android/settings/fuelgauge/batteryusage/DataProcessManager.java b/src/com/android/settings/fuelgauge/batteryusage/DataProcessManager.java
index b3bcb47..5dae7bf 100644
--- a/src/com/android/settings/fuelgauge/batteryusage/DataProcessManager.java
+++ b/src/com/android/settings/fuelgauge/batteryusage/DataProcessManager.java
@@ -31,6 +31,8 @@
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.Utils;
+import com.android.settings.fuelgauge.PowerUsageFeatureProvider;
+import com.android.settings.overlay.FeatureFactory;
 
 import java.util.ArrayList;
 import java.util.Calendar;
@@ -80,6 +82,7 @@
     // Raw start timestamp with round to the nearest hour.
     private final long mRawStartTimestamp;
     private final long mLastFullChargeTimestamp;
+    private final boolean mIsFromPeriodJob;
     private final Context mContext;
     private final Handler mHandler;
     private final UserManager mUserManager;
@@ -123,6 +126,7 @@
     DataProcessManager(
             Context context,
             Handler handler,
+            final boolean isFromPeriodJob,
             final long rawStartTimestamp,
             final long lastFullChargeTimestamp,
             @NonNull final OnBatteryDiffDataMapLoadedListener callbackFunction,
@@ -130,6 +134,7 @@
             @NonNull final Map<Long, Map<String, BatteryHistEntry>> batteryHistoryMap) {
         mContext = context.getApplicationContext();
         mHandler = handler;
+        mIsFromPeriodJob = isFromPeriodJob;
         mUserManager = mContext.getSystemService(UserManager.class);
         mRawStartTimestamp = rawStartTimestamp;
         mLastFullChargeTimestamp = lastFullChargeTimestamp;
@@ -147,6 +152,7 @@
         mHandler = handler;
         mUserManager = mContext.getSystemService(UserManager.class);
         mCallbackFunction = callbackFunction;
+        mIsFromPeriodJob = false;
         mRawStartTimestamp = 0L;
         mLastFullChargeTimestamp = 0L;
         mHourlyBatteryLevelsPerDay = null;
@@ -158,14 +164,9 @@
 
     /** Starts the async tasks to load battery history data and app usage data. */
     public void start() {
-        start(/* isFromPeriodJob= */ false);
-    }
-
-    /** Starts the async tasks to load battery history data and app usage data. */
-    public void start(boolean isFromPeriodJob) {
         // If we have battery level data, load the battery history map and app usage simultaneously.
         if (mHourlyBatteryLevelsPerDay != null) {
-            if (isFromPeriodJob) {
+            if (mIsFromPeriodJob) {
                 mIsCurrentBatteryHistoryLoaded = true;
                 mIsCurrentAppUsageLoaded = true;
                 mIsBatteryUsageSlotLoaded = true;
@@ -519,6 +520,14 @@
                                 mAppUsagePeriodMap,
                                 getSystemAppsPackageNames(),
                                 getSystemAppsUids()));
+                // Process the reattributate data for the following two cases:
+                // 1) the latest slot for the timestamp "until now"
+                // 2) walkthrough all BatteryDiffData again to handle "re-compute" case
+                final PowerUsageFeatureProvider featureProvider =
+                        FeatureFactory.getFeatureFactory()
+                                .getPowerUsageFeatureProvider();
+                featureProvider.processBatteryReattributeData(
+                        mContext, batteryDiffDataMap, mBatteryEventList, mIsFromPeriodJob);
 
                 Log.d(
                         TAG,
@@ -684,12 +693,13 @@
         new DataProcessManager(
                         context,
                         handler,
+                        isFromPeriodJob,
                         startTimestamp,
                         lastFullChargeTime,
                         onBatteryDiffDataMapLoadedListener,
                         batteryLevelData.getHourlyBatteryLevelsPerDay(),
                         processedBatteryHistoryMap)
-                .start(isFromPeriodJob);
+                .start();
 
         return batteryLevelData;
     }
diff --git a/src/com/android/settings/fuelgauge/batteryusage/DatabaseUtils.java b/src/com/android/settings/fuelgauge/batteryusage/DatabaseUtils.java
index a41e9bd..176aaf1 100644
--- a/src/com/android/settings/fuelgauge/batteryusage/DatabaseUtils.java
+++ b/src/com/android/settings/fuelgauge/batteryusage/DatabaseUtils.java
@@ -430,6 +430,7 @@
                         database.batteryEventDao().clearAll();
                         database.batteryStateDao().clearAll();
                         database.batteryUsageSlotDao().clearAll();
+                        database.batteryReattributeDao().clearAll();
                     } catch (RuntimeException e) {
                         Log.e(TAG, "clearAll() failed", e);
                     }
@@ -450,6 +451,7 @@
                         database.batteryEventDao().clearAllBefore(earliestTimestamp);
                         database.batteryStateDao().clearAllBefore(earliestTimestamp);
                         database.batteryUsageSlotDao().clearAllBefore(earliestTimestamp);
+                        database.batteryReattributeDao().clearAllBefore(earliestTimestamp);
                     } catch (RuntimeException e) {
                         Log.e(TAG, "clearAllBefore() failed", e);
                     }
diff --git a/src/com/android/settings/fuelgauge/batteryusage/bugreport/BugReportContentProvider.java b/src/com/android/settings/fuelgauge/batteryusage/bugreport/BugReportContentProvider.java
index ff953e7..c7a3718 100644
--- a/src/com/android/settings/fuelgauge/batteryusage/bugreport/BugReportContentProvider.java
+++ b/src/com/android/settings/fuelgauge/batteryusage/bugreport/BugReportContentProvider.java
@@ -54,6 +54,7 @@
             return;
         }
         writer.println("dump BatteryUsage and AppUsage states:");
+        LogUtils.dumpBatteryReattributeDatabaseHist(context, writer);
         LogUtils.dumpBatteryUsageDatabaseHist(context, writer);
         LogUtils.dumpAppUsageDatabaseHist(context, writer);
         LogUtils.dumpBatteryUsageSlotDatabaseHist(context, writer);
diff --git a/src/com/android/settings/fuelgauge/batteryusage/bugreport/LogUtils.java b/src/com/android/settings/fuelgauge/batteryusage/bugreport/LogUtils.java
index 0ac8cca..2d3e4a0 100644
--- a/src/com/android/settings/fuelgauge/batteryusage/bugreport/LogUtils.java
+++ b/src/com/android/settings/fuelgauge/batteryusage/bugreport/LogUtils.java
@@ -19,6 +19,8 @@
 import android.content.Context;
 import android.util.Log;
 
+import androidx.annotation.VisibleForTesting;
+
 import com.android.settings.fuelgauge.BatteryUtils;
 import com.android.settings.fuelgauge.batteryusage.BatteryUsageSlot;
 import com.android.settings.fuelgauge.batteryusage.ConvertUtils;
@@ -27,11 +29,14 @@
 import com.android.settings.fuelgauge.batteryusage.db.AppUsageEventEntity;
 import com.android.settings.fuelgauge.batteryusage.db.BatteryEventDao;
 import com.android.settings.fuelgauge.batteryusage.db.BatteryEventEntity;
+import com.android.settings.fuelgauge.batteryusage.db.BatteryReattributeDao;
+import com.android.settings.fuelgauge.batteryusage.db.BatteryReattributeEntity;
 import com.android.settings.fuelgauge.batteryusage.db.BatteryState;
 import com.android.settings.fuelgauge.batteryusage.db.BatteryStateDao;
 import com.android.settings.fuelgauge.batteryusage.db.BatteryStateDatabase;
 import com.android.settings.fuelgauge.batteryusage.db.BatteryUsageSlotDao;
 import com.android.settings.fuelgauge.batteryusage.db.BatteryUsageSlotEntity;
+import com.android.settings.overlay.FeatureFactory;
 
 import java.io.PrintWriter;
 import java.time.Clock;
@@ -116,6 +121,33 @@
         dumpListItems(writer, entities, entity -> entity);
     }
 
+    static void dumpBatteryReattributeDatabaseHist(Context context, PrintWriter writer) {
+        try {
+            dumpBatteryReattributeDatabaseHist(
+                    BatteryStateDatabase.getInstance(context).batteryReattributeDao(),
+                    writer);
+        } catch (Exception e) {
+            Log.e(TAG, "failed to run dumpBatteryReattributeDatabaseHist()", e);
+        }
+    }
+
+    @VisibleForTesting
+    static void dumpBatteryReattributeDatabaseHist(
+            BatteryReattributeDao batteryReattributeDao, PrintWriter writer) {
+        if (!FeatureFactory.getFeatureFactory().getPowerUsageFeatureProvider()
+                .isBatteryUsageReattributeEnabled()) {
+            writer.println("\n\tBatteryReattribute is disabled!");
+            return;
+        }
+        writer.println("\n\tBatteryReattribute DatabaseHistory:");
+        final List<BatteryReattributeEntity> entities =
+                batteryReattributeDao.getAllAfter(
+                        Clock.systemUTC().millis() - DUMP_TIME_OFFSET.toMillis());
+        if (entities != null && !entities.isEmpty()) {
+            dumpListItems(writer, entities, entity -> entity);
+        }
+    }
+
     private static <T, S> void dumpListItems(
             PrintWriter writer, List<T> itemList, Function<T, S> itemConverter) {
         final AtomicInteger counter = new AtomicInteger(0);
diff --git a/src/com/android/settings/fuelgauge/batteryusage/db/BatteryReattributeDao.kt b/src/com/android/settings/fuelgauge/batteryusage/db/BatteryReattributeDao.kt
new file mode 100644
index 0000000..79c9d00
--- /dev/null
+++ b/src/com/android/settings/fuelgauge/batteryusage/db/BatteryReattributeDao.kt
@@ -0,0 +1,50 @@
+/*
+ * 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.batteryusage.db;
+
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.OnConflictStrategy;
+import androidx.room.Query;
+
+import java.util.List;
+
+/** DAO for accessing {@link BatteryReattributeEntity} in the database. */
+@Dao
+public interface BatteryReattributeDao {
+
+    /** Inserts a {@link BatteryReattributeEntity} data into the database. */
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun insert(event: BatteryReattributeEntity)
+
+    /** Gets all recorded data after a specific timestamp. */
+    @Query(
+            "SELECT * FROM BatteryReattributeEntity WHERE "
+                    + "timestampStart >= :timestampStart ORDER BY timestampStart DESC")
+    fun getAllAfter(timestampStart: Long): List<BatteryReattributeEntity>
+
+    /** Deletes all recorded data before a specific timestamp. */
+    @Query("DELETE FROM BatteryReattributeEntity WHERE timestampStart <= :timestampStart")
+    fun clearAllBefore(timestampStart: Long)
+
+    /** Deletes all recorded data after a specific timestamp. */
+    @Query("DELETE FROM BatteryReattributeEntity WHERE timestampStart >= :timestampStart")
+    fun clearAllAfter(timestampStart: Long)
+
+    /** Clears all recorded data in the database. */
+    @Query("DELETE FROM BatteryReattributeEntity") fun clearAll()
+}
diff --git a/src/com/android/settings/fuelgauge/batteryusage/db/BatteryReattributeEntity.java b/src/com/android/settings/fuelgauge/batteryusage/db/BatteryReattributeEntity.java
new file mode 100644
index 0000000..1a0c087
--- /dev/null
+++ b/src/com/android/settings/fuelgauge/batteryusage/db/BatteryReattributeEntity.java
@@ -0,0 +1,73 @@
+/*
+ * 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.batteryusage.db;
+
+import static com.android.settings.fuelgauge.batteryusage.ConvertUtils.utcToLocalTimeForLogging;
+
+import com.android.settings.fuelgauge.batteryusage.BatteryReattribute;
+import com.android.settings.fuelgauge.batteryusage.ConvertUtils;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+
+/** A {@link Entity} for battery usage reattribution data in the database. */
+@Entity
+public class BatteryReattributeEntity {
+
+    /** The start timestamp of this record data. */
+    @PrimaryKey
+    public final long timestampStart;
+
+    /** The end timestamp of this record data. */
+    public final long timestampEnd;
+
+    /** The battery usage reattribution data for corresponding  uids. */
+    public final String reattributeData;
+
+    public BatteryReattributeEntity(@NonNull BatteryReattribute batteryReattribute) {
+        this(
+                batteryReattribute.getTimestampStart(),
+                batteryReattribute.getTimestampEnd(),
+                ConvertUtils.encodeBatteryReattribute(batteryReattribute));
+    }
+
+    @VisibleForTesting
+    BatteryReattributeEntity(
+            long timestampStart, long timestampEnd, @NonNull String reattributeData) {
+        this.timestampStart = timestampStart;
+        this.timestampEnd = timestampEnd;
+        this.reattributeData = reattributeData;
+    }
+
+    @NonNull
+    @Override
+    public String toString() {
+        final BatteryReattribute batteryReattribute =
+                ConvertUtils.decodeBatteryReattribute(reattributeData);
+        final StringBuilder builder = new StringBuilder()
+                .append("\nBatteryReattributeEntity{")
+                .append("\n\t" + utcToLocalTimeForLogging(timestampStart))
+                .append("\n\t" + utcToLocalTimeForLogging(timestampEnd))
+                .append("\n\t" + batteryReattribute);
+        if (batteryReattribute != null) {
+            builder.append("\n\t" + batteryReattribute.getReattributeDataMap());
+        }
+        return builder.append("\n}").toString();
+    }
+}
diff --git a/src/com/android/settings/fuelgauge/batteryusage/db/BatteryStateDatabase.java b/src/com/android/settings/fuelgauge/batteryusage/db/BatteryStateDatabase.java
index 7504775..8e3d6e3 100644
--- a/src/com/android/settings/fuelgauge/batteryusage/db/BatteryStateDatabase.java
+++ b/src/com/android/settings/fuelgauge/batteryusage/db/BatteryStateDatabase.java
@@ -19,6 +19,7 @@
 import android.content.Context;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.room.Database;
 import androidx.room.Room;
 import androidx.room.RoomDatabase;
@@ -29,11 +30,13 @@
             AppUsageEventEntity.class,
             BatteryEventEntity.class,
             BatteryState.class,
-            BatteryUsageSlotEntity.class
+            BatteryUsageSlotEntity.class,
+            BatteryReattributeEntity.class
         },
-        version = 1)
+        version = 2)
 public abstract class BatteryStateDatabase extends RoomDatabase {
     private static final String TAG = "BatteryStateDatabase";
+    private static final String DB_FILE_NAME = "battery-usage-db-v10";
 
     private static BatteryStateDatabase sBatteryStateDatabase;
 
@@ -49,11 +52,15 @@
     /** Provides DAO for battery usage slot table. */
     public abstract BatteryUsageSlotDao batteryUsageSlotDao();
 
+    /** Provides DAO for battery reattribution table. */
+    @NonNull
+    public abstract BatteryReattributeDao batteryReattributeDao();
+
     /** Gets or creates an instance of {@link RoomDatabase}. */
     public static BatteryStateDatabase getInstance(Context context) {
         if (sBatteryStateDatabase == null) {
             sBatteryStateDatabase =
-                    Room.databaseBuilder(context, BatteryStateDatabase.class, "battery-usage-db-v9")
+                    Room.databaseBuilder(context, BatteryStateDatabase.class, DB_FILE_NAME)
                             // Allows accessing data in the main thread for dumping bugreport.
                             .allowMainThreadQueries()
                             .fallbackToDestructiveMigration()
diff --git a/src/com/android/settings/fuelgauge/protos/Android.bp b/src/com/android/settings/fuelgauge/protos/Android.bp
index 462962b..40fb987 100644
--- a/src/com/android/settings/fuelgauge/protos/Android.bp
+++ b/src/com/android/settings/fuelgauge/protos/Android.bp
@@ -9,41 +9,9 @@
 }
 
 java_library {
-    name: "app-usage-event-protos-lite",
+    name: "fuelgauge-protos-lite",
     proto: {
         type: "lite",
     },
-    srcs: ["app_usage_event.proto"],
-}
-
-java_library {
-    name: "battery-event-protos-lite",
-    proto: {
-        type: "lite",
-    },
-    srcs: ["battery_event.proto"],
-}
-
-java_library {
-    name: "battery-usage-slot-protos-lite",
-    proto: {
-        type: "lite",
-    },
-    srcs: ["battery_usage_slot.proto"],
-}
-
-java_library {
-    name: "fuelgauge-usage-state-protos-lite",
-    proto: {
-        type: "lite",
-    },
-    srcs: ["fuelgauge_usage_state.proto"],
-}
-
-java_library {
-    name: "power-anomaly-event-protos-lite",
-    proto: {
-        type: "lite",
-    },
-    srcs: ["power_anomaly_event.proto"],
+    srcs: ["*.proto"],
 }
diff --git a/src/com/android/settings/fuelgauge/protos/battery_reattribute.proto b/src/com/android/settings/fuelgauge/protos/battery_reattribute.proto
new file mode 100644
index 0000000..8185a22
--- /dev/null
+++ b/src/com/android/settings/fuelgauge/protos/battery_reattribute.proto
@@ -0,0 +1,13 @@
+syntax = "proto3";
+
+option java_multiple_files = true;
+option java_package = "com.android.settings.fuelgauge.batteryusage";
+option java_outer_classname = "BatteryReaatributeProto";
+
+// Battery usage reattribute data for a specific timestamp slot.
+message BatteryReattribute {
+    optional int64 timestamp_start = 1;
+    optional int64 timestamp_end = 2;
+    // Battery reattribute data for uid and its corresponding ratio.
+    map<int32, float> reattribute_data = 3;
+}
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/ConvertUtilsTest.java b/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/ConvertUtilsTest.java
index 5ce449b..ffd4c8f 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/ConvertUtilsTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/ConvertUtilsTest.java
@@ -670,4 +670,26 @@
                                 /* taskRootPackageName= */ ""))
                 .isEqualTo(packageName);
     }
+
+    @Test
+    public void decodeBatteryReattribute_returnExpectedResult() {
+        final BatteryReattribute batteryReattribute =
+                BatteryReattribute.newBuilder()
+                        .setTimestampStart(100L)
+                        .setTimestampEnd(200L)
+                        .putReattributeData(1001, 0.2f)
+                        .putReattributeData(2001, 0.8f)
+                        .build();
+
+        final BatteryReattribute decodeResult = ConvertUtils.decodeBatteryReattribute(
+                ConvertUtils.encodeBatteryReattribute(batteryReattribute));
+
+        assertThat(decodeResult.getTimestampStart()).isEqualTo(100L);
+        assertThat(decodeResult.getTimestampEnd()).isEqualTo(200L);
+        final Map<Integer, Float> reattributeDataMap = decodeResult.getReattributeDataMap();
+        // Verify the reattribute data in the map.
+        assertThat(reattributeDataMap).hasSize(2);
+        assertThat(reattributeDataMap.get(1001)).isEqualTo(0.2f);
+        assertThat(reattributeDataMap.get(2001)).isEqualTo(0.8f);
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/DataProcessManagerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/DataProcessManagerTest.java
index 6227790..b100254 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/DataProcessManagerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/DataProcessManagerTest.java
@@ -100,6 +100,7 @@
                 new DataProcessManager(
                         mContext,
                         /* handler= */ null,
+                        /* isFromPeriodJob= */ false,
                         /* rawStartTimestamp= */ 0L,
                         /* lastFullChargeTimestamp= */ 0L,
                         /* callbackFunction= */ null,
@@ -239,6 +240,7 @@
                 new DataProcessManager(
                         mContext,
                         /* handler= */ null,
+                        /* isFromPeriodJob= */ false,
                         /* rawStartTimestamp= */ 2L,
                         /* lastFullChargeTimestamp= */ 1L,
                         /* callbackFunction= */ null,
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/bugreport/LogUtilsTest.java b/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/bugreport/LogUtilsTest.java
new file mode 100644
index 0000000..9b459c5
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/bugreport/LogUtilsTest.java
@@ -0,0 +1,122 @@
+/*
+ * 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.batteryusage.bugreport;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.fuelgauge.PowerUsageFeatureProvider;
+import com.android.settings.fuelgauge.batteryusage.BatteryReattribute;
+import com.android.settings.fuelgauge.batteryusage.db.BatteryReattributeDao;
+import com.android.settings.fuelgauge.batteryusage.db.BatteryReattributeEntity;
+import com.android.settings.fuelgauge.batteryusage.db.BatteryStateDatabase;
+import com.android.settings.testutils.BatteryTestUtils;
+import com.android.settings.testutils.FakeFeatureFactory;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.MethodSorters;
+import org.robolectric.RobolectricTestRunner;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@RunWith(RobolectricTestRunner.class)
+public final class LogUtilsTest {
+
+    private StringWriter mTestStringWriter;
+    private PrintWriter mTestPrintWriter;
+    private Context mContext;
+    private BatteryStateDatabase mDatabase;
+    private BatteryReattributeDao mBatteryReattributeDao;
+    private PowerUsageFeatureProvider mPowerUsageFeatureProvider;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mTestStringWriter = new StringWriter();
+        mTestPrintWriter = new PrintWriter(mTestStringWriter);
+        mDatabase = BatteryTestUtils.setUpBatteryStateDatabase(mContext);
+        mBatteryReattributeDao = mDatabase.batteryReattributeDao();
+        mPowerUsageFeatureProvider = FakeFeatureFactory.setupForTest().powerUsageFeatureProvider;
+        when(mPowerUsageFeatureProvider.isBatteryUsageReattributeEnabled()).thenReturn(true);
+    }
+
+    @After
+    public void cleanUp() {
+        mBatteryReattributeDao.clearAll();
+    }
+
+    @Test
+    public void dumpBatteryReattributeDatabaseHist_noData_printExpectedResult() {
+        LogUtils.dumpBatteryReattributeDatabaseHist(mBatteryReattributeDao, mTestPrintWriter);
+
+        assertThat(mTestStringWriter.toString())
+                .contains("BatteryReattribute DatabaseHistory:");
+    }
+
+    @Test
+    public void dumpBatteryReattributeDatabaseHist_printExpectedResult() {
+        final long currentTimeMillis = System.currentTimeMillis();
+        // Insert the first testing data.
+        final BatteryReattribute batteryReattribute1 =
+                BatteryReattribute.newBuilder()
+                        .setTimestampStart(currentTimeMillis - 20000)
+                        .setTimestampEnd(currentTimeMillis - 10000)
+                        .putReattributeData(1001, 0.1f)
+                        .putReattributeData(1002, 0.99f)
+                        .build();
+        mBatteryReattributeDao.insert(new BatteryReattributeEntity(batteryReattribute1));
+        // Insert the second testing data.
+        final BatteryReattribute batteryReattribute2 =
+                BatteryReattribute.newBuilder()
+                        .setTimestampStart(currentTimeMillis - 40000)
+                        .setTimestampEnd(currentTimeMillis - 20000)
+                        .putReattributeData(1003, 1f)
+                        .build();
+        mBatteryReattributeDao.insert(new BatteryReattributeEntity(batteryReattribute2));
+
+        LogUtils.dumpBatteryReattributeDatabaseHist(mBatteryReattributeDao, mTestPrintWriter);
+
+        final String result = mTestStringWriter.toString();
+        assertThat(result).contains("BatteryReattribute DatabaseHistory:");
+        assertThat(result).contains(batteryReattribute1.toString());
+        assertThat(result).contains(batteryReattribute2.toString());
+    }
+
+    @Test
+    public void dumpBatteryReattributeDatabaseHist_featureDisable_notPrintData() {
+        mBatteryReattributeDao.insert(new BatteryReattributeEntity(
+                BatteryReattribute.getDefaultInstance()));
+        when(mPowerUsageFeatureProvider.isBatteryUsageReattributeEnabled()).thenReturn(false);
+
+        LogUtils.dumpBatteryReattributeDatabaseHist(mBatteryReattributeDao, mTestPrintWriter);
+
+        final String result = mTestStringWriter.toString();
+        assertThat(result).contains("BatteryReattribute is disabled!");
+        assertThat(result.contains("BatteryReattribute DatabaseHistory:")).isFalse();
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/db/BatteryReattributeDaoTest.java b/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/db/BatteryReattributeDaoTest.java
new file mode 100644
index 0000000..8cb0e12
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/db/BatteryReattributeDaoTest.java
@@ -0,0 +1,118 @@
+/*
+ * 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.batteryusage.db;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.testutils.BatteryTestUtils;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+import java.util.List;
+
+/** Tests for {@link BatteryReattributeDao}. */
+@RunWith(RobolectricTestRunner.class)
+public final class BatteryReattributeDaoTest {
+
+    private Context mContext;
+    private BatteryStateDatabase mDatabase;
+    private BatteryReattributeDao mBatteryReattributeDao;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mDatabase = BatteryTestUtils.setUpBatteryStateDatabase(mContext);
+        mBatteryReattributeDao = mDatabase.batteryReattributeDao();
+        insert(100L, 200L, "reattributeData1");
+        insert(300L, 400L, "reattributeData3");
+        insert(200L, 300L, "reattributeData2");
+        insert(400L, 500L, "reattributeData4");
+        // Ensure there was data inserted into the database.
+        assertThat(getAllEntityData()).isNotEmpty();
+    }
+
+    @Test
+    public void getAllAfter_returnExpectedEntityData() {
+        final List<BatteryReattributeEntity> entityDataList =
+            mBatteryReattributeDao.getAllAfter(/* timestampStart= */ 300L);
+
+        assertThat(entityDataList).hasSize(2);
+        assertEntity(entityDataList.get(0), 400L, 500L, "reattributeData4");
+        assertEntity(entityDataList.get(1), 300L, 400L, "reattributeData3");
+    }
+
+    @Test
+    public void clearAll_clearAllData() {
+        mBatteryReattributeDao.clearAll();
+
+        assertThat(getAllEntityData()).isEmpty();
+    }
+
+    @Test
+    public void clearAllBefore_clearAllExpectedData() {
+        mBatteryReattributeDao.clearAllBefore(/* timestampStart= */ 300L);
+
+        final List<BatteryReattributeEntity> entityDataList = getAllEntityData();
+        assertThat(entityDataList).hasSize(1);
+        assertEntity(entityDataList.get(0), 400L, 500L, "reattributeData4");
+    }
+
+    @Test
+    public void clearAllAfter_clearAllExpectedData() {
+        mBatteryReattributeDao.clearAllAfter(/* timestampStart= */ 300L);
+
+        final List<BatteryReattributeEntity> entityDataList = getAllEntityData();
+        assertThat(entityDataList).hasSize(2);
+        assertEntity(entityDataList.get(0), 200L, 300L, "reattributeData2");
+        assertEntity(entityDataList.get(1), 100L, 200L, "reattributeData1");
+    }
+
+    @Test
+    public void insert_samePrimaryKeyEntityData_replaceIntoNewEntityData() {
+        // Verify the original data before update.
+        assertEntity(getAllEntityData().get(0), 400L, 500L, "reattributeData4");
+
+        insert(400L, 600L, "reattribute4Update");
+
+        // Verify the new update entity data.
+        assertEntity(getAllEntityData().get(0), 400L, 600L, "reattribute4Update");
+    }
+
+    private void insert(long timestampStart, long timestampEnd, String reattributeData) {
+        mBatteryReattributeDao.insert(
+                new BatteryReattributeEntity(
+                        timestampStart, timestampEnd, reattributeData));
+    }
+
+    private List<BatteryReattributeEntity> getAllEntityData() {
+        return mBatteryReattributeDao.getAllAfter(/* timestampStart= */ 0L);
+    }
+
+    private static void assertEntity(BatteryReattributeEntity entity, long timestampStart,
+            long timestampEnd, String reattributeData) {
+        assertThat(entity.timestampStart).isEqualTo(timestampStart);
+        assertThat(entity.timestampEnd).isEqualTo(timestampEnd);
+        assertThat(entity.reattributeData).isEqualTo(reattributeData);
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/db/BatteryReattributeEntityTest.java b/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/db/BatteryReattributeEntityTest.java
new file mode 100644
index 0000000..04912aa
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/db/BatteryReattributeEntityTest.java
@@ -0,0 +1,54 @@
+/*
+ * 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.batteryusage.db;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.android.settings.fuelgauge.batteryusage.BatteryReattribute;
+import com.android.settings.fuelgauge.batteryusage.ConvertUtils;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+/** Tests for {@link BatteryReattributeEntity}. */
+@RunWith(RobolectricTestRunner.class)
+public final class BatteryReattributeEntityTest {
+
+    @Test
+    public void constructor_createExpectedData() {
+        final BatteryReattribute batteryReattribute =
+                BatteryReattribute.newBuilder()
+                        .setTimestampStart(100L)
+                        .setTimestampEnd(200L)
+                        .putReattributeData(1001, 0.2f)
+                        .putReattributeData(2001, 0.8f)
+                        .build();
+
+        final BatteryReattributeEntity batteryReattributeEntity =
+            new BatteryReattributeEntity(batteryReattribute);
+
+        assertThat(batteryReattributeEntity.timestampStart)
+            .isEqualTo(batteryReattribute.getTimestampStart());
+        assertThat(batteryReattributeEntity.timestampEnd)
+            .isEqualTo(batteryReattribute.getTimestampEnd());
+        // Verify the BatteryReattribute data.
+        final BatteryReattribute decodeResult =
+            ConvertUtils.decodeBatteryReattribute(batteryReattributeEntity.reattributeData);
+        assertThat(decodeResult).isEqualTo(batteryReattribute);
+    }
+}