Add a skeleton to support battery configucation backup/restore
Bug: 192523697
Test: make SettingsRoboTests
Change-Id: I559eed40b05b73e7af5e091115afb11c4ba51068
diff --git a/src/com/android/settings/backup/SettingsBackupHelper.java b/src/com/android/settings/backup/SettingsBackupHelper.java
index 6437b78..a682df8 100644
--- a/src/com/android/settings/backup/SettingsBackupHelper.java
+++ b/src/com/android/settings/backup/SettingsBackupHelper.java
@@ -22,6 +22,7 @@
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 void onCreate() {
super.onCreate();
addHelper("no-op", new NoOpHelper());
+ addHelper(BatteryBackupHelper.TAG, new BatteryBackupHelper(this));
}
@Override
diff --git a/src/com/android/settings/fuelgauge/BatteryBackupHelper.java b/src/com/android/settings/fuelgauge/BatteryBackupHelper.java
new file mode 100644
index 0000000..2b5576d
--- /dev/null
+++ b/src/com/android/settings/fuelgauge/BatteryBackupHelper.java
@@ -0,0 +1,51 @@
+/*
+ * 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) {
+ }
+}
diff --git a/src/com/android/settings/fuelgauge/BatteryDiffEntry.java b/src/com/android/settings/fuelgauge/BatteryDiffEntry.java
index 3ad768a..0074f93 100644
--- a/src/com/android/settings/fuelgauge/BatteryDiffEntry.java
+++ b/src/com/android/settings/fuelgauge/BatteryDiffEntry.java
@@ -40,7 +40,8 @@
// 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 @@
return builder.toString();
}
- static void clearCache() {
+ /** Clears app icon and label cache data. */
+ public static void clearCache() {
sResourceCache.clear();
sValidForRestriction.clear();
}