1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package android.car.builtin.os; 17 18 import android.annotation.NonNull; 19 import android.annotation.SystemApi; 20 import android.annotation.UserIdInt; 21 import android.content.Context; 22 import android.os.storage.StorageManager; 23 24 /** 25 * Helper for {@link StorageManager}. 26 * 27 * @hide 28 */ 29 @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES) 30 public class StorageManagerHelper { 31 StorageManagerHelper()32 private StorageManagerHelper() { 33 throw new UnsupportedOperationException("contains only static members"); 34 } 35 36 /** 37 * Returns whether or not a user's storage is currently unlocked 38 */ isUserStorageUnlocked(@serIdInt int userId)39 public static boolean isUserStorageUnlocked(@UserIdInt int userId) { 40 return StorageManager.isCeStorageUnlocked(userId); 41 } 42 43 /** 44 * Locks the user storage for the provided userId. 45 * @return true if the user storage was successfully locked 46 */ lockUserStorage(@onNull Context context, @UserIdInt int userId)47 public static boolean lockUserStorage(@NonNull Context context, @UserIdInt int userId) { 48 StorageManager sm = context.getSystemService(StorageManager.class); 49 if (sm != null) { 50 sm.lockCeStorage(userId); 51 return !isUserStorageUnlocked(userId); 52 } 53 return false; 54 } 55 } 56