1 /* 2 * Copyright (C) 2017 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 android.view; 18 19 /** 20 * Listener to be invoked when wallpaper visibility changes. 21 * {@hide} 22 */ 23 oneway interface IWallpaperVisibilityListener { 24 /** 25 * Method that will be invoked when wallpaper becomes visible or hidden. 26 * @param visible True if wallpaper is being displayed; false otherwise. 27 * @param displayId The id of the display where wallpaper visibility changed. 28 */ onWallpaperVisibilityChanged(boolean visible, int displayId)29 void onWallpaperVisibilityChanged(boolean visible, int displayId); 30 } 31