53aaab09b8
This fixes an issue where there is some discrepancy between the "X unused apps" string in Settings and the actual number of unused apps in PermissionController due to the Settings logic not taking into account the usage time. Bug: 187464720 Test: atest HibernatedAppsPreferenceControllerTest Test: hibernate app and revoke permission, open app, number of unused apps matches up Change-Id: Ifc30280e582e4183c61d421dd5378d627a80baf9
114 lines
5.0 KiB
Java
114 lines
5.0 KiB
Java
/*
|
|
* 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.applications;
|
|
|
|
import static android.app.usage.UsageStatsManager.INTERVAL_MONTHLY;
|
|
import static android.provider.DeviceConfig.NAMESPACE_APP_HIBERNATION;
|
|
|
|
import static com.android.settings.Utils.PROPERTY_APP_HIBERNATION_ENABLED;
|
|
|
|
import android.app.usage.UsageStats;
|
|
import android.app.usage.UsageStatsManager;
|
|
import android.apphibernation.AppHibernationManager;
|
|
import android.content.Context;
|
|
import android.content.pm.PackageInfo;
|
|
import android.content.pm.PackageManager;
|
|
import android.provider.DeviceConfig;
|
|
import android.util.ArrayMap;
|
|
|
|
import com.android.settings.R;
|
|
import com.android.settings.core.BasePreferenceController;
|
|
|
|
import java.util.List;
|
|
import java.util.Map;
|
|
import java.util.concurrent.TimeUnit;
|
|
|
|
/**
|
|
* A preference controller handling the logic for updating summary of hibernated apps.
|
|
*/
|
|
public final class HibernatedAppsPreferenceController extends BasePreferenceController {
|
|
private static final String TAG = "HibernatedAppsPrefController";
|
|
private static final String PROPERTY_HIBERNATION_UNUSED_THRESHOLD_MILLIS =
|
|
"auto_revoke_unused_threshold_millis2";
|
|
private static final long DEFAULT_UNUSED_THRESHOLD_MS = TimeUnit.DAYS.toMillis(90);
|
|
|
|
public HibernatedAppsPreferenceController(Context context, String preferenceKey) {
|
|
super(context, preferenceKey);
|
|
}
|
|
|
|
@Override
|
|
public int getAvailabilityStatus() {
|
|
return isHibernationEnabled() && getNumHibernated() > 0
|
|
? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
|
|
}
|
|
|
|
@Override
|
|
public CharSequence getSummary() {
|
|
final int numHibernated = getNumHibernated();
|
|
return mContext.getResources().getQuantityString(
|
|
R.plurals.unused_apps_summary, numHibernated, numHibernated);
|
|
}
|
|
|
|
private int getNumHibernated() {
|
|
// TODO(b/187465752): Find a way to export this logic from PermissionController module
|
|
final PackageManager pm = mContext.getPackageManager();
|
|
final AppHibernationManager ahm = mContext.getSystemService(AppHibernationManager.class);
|
|
final List<String> hibernatedPackages = ahm.getHibernatingPackagesForUser();
|
|
int numHibernated = hibernatedPackages.size();
|
|
|
|
// Also need to count packages that are auto revoked but not hibernated.
|
|
final UsageStatsManager usm = mContext.getSystemService(UsageStatsManager.class);
|
|
final long now = System.currentTimeMillis();
|
|
final long unusedThreshold = DeviceConfig.getLong(DeviceConfig.NAMESPACE_PERMISSIONS,
|
|
PROPERTY_HIBERNATION_UNUSED_THRESHOLD_MILLIS, DEFAULT_UNUSED_THRESHOLD_MS);
|
|
final List<UsageStats> usageStatsList = usm.queryUsageStats(INTERVAL_MONTHLY,
|
|
now - unusedThreshold, now);
|
|
final Map<String, UsageStats> recentlyUsedPackages = new ArrayMap<>();
|
|
for (UsageStats us : usageStatsList) {
|
|
recentlyUsedPackages.put(us.mPackageName, us);
|
|
}
|
|
final List<PackageInfo> packages = pm.getInstalledPackages(
|
|
PackageManager.MATCH_DISABLED_COMPONENTS | PackageManager.GET_PERMISSIONS);
|
|
for (PackageInfo pi : packages) {
|
|
final String packageName = pi.packageName;
|
|
final UsageStats usageStats = recentlyUsedPackages.get(packageName);
|
|
// Only count packages that have not been used recently as auto-revoked permissions may
|
|
// stay revoked even after use if the user has not regranted them.
|
|
final boolean usedRecently = (usageStats != null
|
|
&& (now - usageStats.getLastTimeAnyComponentUsed() < unusedThreshold
|
|
|| now - usageStats.getLastTimeVisible() < unusedThreshold));
|
|
if (!hibernatedPackages.contains(packageName)
|
|
&& pi.requestedPermissions != null
|
|
&& !usedRecently) {
|
|
for (String perm : pi.requestedPermissions) {
|
|
if ((pm.getPermissionFlags(perm, packageName, mContext.getUser())
|
|
& PackageManager.FLAG_PERMISSION_AUTO_REVOKED) != 0) {
|
|
numHibernated++;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return numHibernated;
|
|
}
|
|
|
|
private static boolean isHibernationEnabled() {
|
|
return DeviceConfig.getBoolean(
|
|
NAMESPACE_APP_HIBERNATION, PROPERTY_APP_HIBERNATION_ENABLED, false);
|
|
}
|
|
}
|