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.common.config.api; 18 19 /** 20 * Manages Live TV Configuration, allowing remote updates. 21 * 22 * <p>This is a thin wrapper around <a 23 * href="https://firebase.google.com/docs/remote-config/"></a>Firebase Remote Config</a> 24 */ 25 public interface RemoteConfig { 26 27 /** Used to inject a remote config */ 28 interface HasRemoteConfig { 29 RemoteConfig getRemoteConfig(); 30 } 31 32 /** Notified on successful completion of a {@link #fetch)} */ 33 interface OnRemoteConfigUpdatedListener { 34 void onRemoteConfigUpdated(); 35 } 36 37 /** Starts a fetch and notifies {@code listener} on successful completion. */ 38 void fetch(OnRemoteConfigUpdatedListener listener); 39 40 /** Gets value as a string corresponding to the specified key. */ 41 String getString(String key); 42 43 /** Gets value as a boolean corresponding to the specified key. */ 44 boolean getBoolean(String key); 45 46 /** Gets value as a long corresponding to the specified key. */ 47 long getLong(String key); 48 49 /** 50 * Gets value as a long corresponding to the specified key. Returns the defaultValue if no value 51 * is found. 52 */ 53 long getLong(String key, long defaultValue); 54 } 55