1 /* 2 * Copyright (C) 2018 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 com.android.settings.connecteddevice.dock; 17 18 import android.content.Context; 19 20 /** 21 * Update the dock devices. It notifies the upper level whether to add/remove the preference 22 * through {@link DevicePreferenceCallback} 23 */ 24 public interface DockUpdater { 25 26 /** 27 * Register the dock event callback and update the list 28 */ registerCallback()29 default void registerCallback() { 30 } 31 32 /** 33 * Unregister the dock event callback 34 */ unregisterCallback()35 default void unregisterCallback() { 36 } 37 38 /** 39 * Force to update the list of dock devices 40 */ forceUpdate()41 default void forceUpdate() { 42 } 43 } 44