1 /* 2 * Copyright 2022 Google LLC 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 com.google.android.libraries.mobiledatadownload.file.backends; 17 18 import android.accounts.Account; 19 import com.google.common.util.concurrent.ListenableFuture; 20 21 /** Helper for Uri classes to manage Android accounts. */ 22 public interface AccountManager { 23 24 /** 25 * Returns the ID associated with {@code account}, or assigns and returns a new id if the account 26 * is unrecognized. 27 */ getAccountId(Account account)28 ListenableFuture<Integer> getAccountId(Account account); 29 30 /** Returns the account associated with {@code accountId}, or fails if the id is unrecognized. */ getAccount(int accountId)31 ListenableFuture<Account> getAccount(int accountId); 32 } 33