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Commit 96e96856 authored by ykhung's avatar ykhung
Browse files

Add a skeleton to support battery configucation backup/restore 

Bug: 192523697
Test: make SettingsRoboTests
Change-Id: I559eed40b05b73e7af5e091115afb11c4ba51068
parent cb2ec539

src/com/android/settings/backup/SettingsBackupHelper.java

+2 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ import android.app.backup.BackupDataOutput; 
import android.app.backup.BackupHelper;

import android.os.ParcelFileDescriptor;



import com.android.settings.fuelgauge.BatteryBackupHelper;

import com.android.settings.shortcut.CreateShortcutPreferenceController;



import java.io.FileInputStream;
@@ -37,6 +38,7 @@ public class SettingsBackupHelper extends BackupAgentHelper { 
    public void onCreate() {

        super.onCreate();

        addHelper("no-op", new NoOpHelper());

        addHelper(BatteryBackupHelper.TAG, new BatteryBackupHelper(this));

    }



    @Override

src/com/android/settings/fuelgauge/BatteryBackupHelper.java

0 → 100644
+51 −0
Original line number Diff line number Diff line 
/*

 * 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.app.backup.BackupDataInputStream;

import android.app.backup.BackupDataOutput;

import android.app.backup.BackupHelper;

import android.content.Context;

import android.os.ParcelFileDescriptor;

import android.util.Log;



/** An implementation to backup and restore battery configurations. */

public final class BatteryBackupHelper implements BackupHelper {

    /** An inditifier for {@link BackupHelper}. */

    public static final String TAG = "BatteryBackupHelper";



    private final Context mContext;



    public BatteryBackupHelper(Context context) {

        mContext = context;

    }



    @Override

    public void performBackup(ParcelFileDescriptor oldState, BackupDataOutput data,

            ParcelFileDescriptor newState) {

        Log.d(TAG, "performBackup()");

    }



    @Override

    public void restoreEntity(BackupDataInputStream data) {

        Log.d(TAG, "restoreEntity()");

    }



    @Override

    public void writeNewStateDescription(ParcelFileDescriptor newState) {

    }

}

src/com/android/settings/fuelgauge/BatteryDiffEntry.java

+4 −2
Original line number Diff line number Diff line
@@ -40,7 +40,8 @@ public class BatteryDiffEntry { 
    // 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?

    static final Map<String, Boolean> sValidForRestriction = new HashMap<>();

    @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 =
@@ -339,7 +340,8 @@ public class BatteryDiffEntry { 
        return builder.toString();

    }



    static void clearCache() {

    /** Clears app icon and label cache data. */

    public static void clearCache() {

        sResourceCache.clear();

        sValidForRestriction.clear();

    }