1 /* 2 * Copyright (C) 2016 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 17 package com.android.tv.util.account; 18 19 import android.accounts.Account; 20 import android.support.annotation.Nullable; 21 22 /** Helper methods for getting and selecting a user account. */ 23 public interface AccountHelper { 24 /** Returns the currently selected account or {@code null} if none is selected. */ 25 @Nullable 26 Account getSelectedAccount(); 27 /** 28 * Selects the first account available. 29 * 30 * @return selected account or {@code null} if none is selected. 31 */ 32 @Nullable 33 Account selectFirstAccount(); 34 35 /** Returns all eligible accounts . */ 36 @Nullable 37 Account getFirstEligibleAccount(); 38 } 39
