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/*
* 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 android.apphibernation;
import android.annotation.NonNull;
import android.annotation.RequiresPermission;
import android.annotation.SystemApi;
import android.annotation.SystemService;
import android.content.Context;
import android.os.RemoteException;
import android.os.ServiceManager;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* This class provides an API surface for system apps to manipulate the app hibernation
* state of a package for the user provided in the context.
* @hide
*/
@SystemApi
@SystemService(Context.APP_HIBERNATION_SERVICE)
public class AppHibernationManager {
private static final String TAG = "AppHibernationManager";
private final Context mContext;
private final IAppHibernationService mIAppHibernationService;
/**
* Creates a new instance.
*
* @param context The current context associated with the user
*
* @hide
*/
public AppHibernationManager(@NonNull Context context) {
mContext = context;
mIAppHibernationService = IAppHibernationService.Stub.asInterface(
ServiceManager.getService(Context.APP_HIBERNATION_SERVICE));
}
/**
* Returns true if the package is hibernating for this context's user, false otherwise.
*
* @hide
*/
@SystemApi
@RequiresPermission(value = android.Manifest.permission.MANAGE_APP_HIBERNATION)
public boolean isHibernatingForUser(@NonNull String packageName) {
try {
return mIAppHibernationService.isHibernatingForUser(packageName, mContext.getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Set whether the package is hibernating for this context's user.
*
* @hide
*/
@SystemApi
@RequiresPermission(value = android.Manifest.permission.MANAGE_APP_HIBERNATION)
public void setHibernatingForUser(@NonNull String packageName, boolean isHibernating) {
try {
mIAppHibernationService.setHibernatingForUser(packageName, mContext.getUserId(),
isHibernating);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Returns true if app is hibernating globally / at the package level.
*
* @hide
*/
@SystemApi
@RequiresPermission(value = android.Manifest.permission.MANAGE_APP_HIBERNATION)
public boolean isHibernatingGlobally(@NonNull String packageName) {
try {
return mIAppHibernationService.isHibernatingGlobally(packageName);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Set whether a package should be globally hibernating. This hibernates the package at a
* package level. User-level hibernation (e.g.. {@link #isHibernatingForUser} is independent
* from global hibernation.
*
* @hide
*/
@SystemApi
@RequiresPermission(value = android.Manifest.permission.MANAGE_APP_HIBERNATION)
public void setHibernatingGlobally(@NonNull String packageName, boolean isHibernating) {
try {
mIAppHibernationService.setHibernatingGlobally(packageName, isHibernating);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Get the hibernating packages for the user. This is equivalent to the list of packages for
* the user that return true for {@link #isHibernatingForUser}.
*
* @hide
*/
@SystemApi
@RequiresPermission(value = android.Manifest.permission.MANAGE_APP_HIBERNATION)
public @NonNull List<String> getHibernatingPackagesForUser() {
try {
return mIAppHibernationService.getHibernatingPackagesForUser(mContext.getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Returns the stats from app hibernation for each package provided.
*
* @param packageNames the set of packages to return stats for
* @hide
*/
@SystemApi
@RequiresPermission(value = android.Manifest.permission.MANAGE_APP_HIBERNATION)
public @NonNull Map<String, HibernationStats> getHibernationStatsForUser(
@NonNull Set<String> packageNames) {
try {
return mIAppHibernationService.getHibernationStatsForUser(
new ArrayList(packageNames), mContext.getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Returns the stats from app hibernation for all packages for the user
*
* @hide
*/
@SystemApi
@RequiresPermission(value = android.Manifest.permission.MANAGE_APP_HIBERNATION)
public @NonNull Map<String, HibernationStats> getHibernationStatsForUser() {
try {
return mIAppHibernationService.getHibernationStatsForUser(
null /* packageNames */, mContext.getUserId());
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
}
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