diff --git a/src/com/android/settings/applications/HibernatedAppsPreferenceController.java b/src/com/android/settings/applications/HibernatedAppsPreferenceController.java index 4088d3a0c00..8d128112ad7 100644 --- a/src/com/android/settings/applications/HibernatedAppsPreferenceController.java +++ b/src/com/android/settings/applications/HibernatedAppsPreferenceController.java @@ -16,26 +16,35 @@ 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); @@ -55,17 +64,36 @@ public final class HibernatedAppsPreferenceController extends BasePreferenceCont } 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 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 usageStatsList = usm.queryUsageStats(INTERVAL_MONTHLY, + now - unusedThreshold, now); + final Map recentlyUsedPackages = new ArrayMap<>(); + for (UsageStats us : usageStatsList) { + recentlyUsedPackages.put(us.mPackageName, us); + } final List packages = pm.getInstalledPackages( PackageManager.MATCH_DISABLED_COMPONENTS | PackageManager.GET_PERMISSIONS); for (PackageInfo pi : packages) { final String packageName = pi.packageName; - if (!hibernatedPackages.contains(packageName) && pi.requestedPermissions != null) { + 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) {