1 /* 2 * Copyright (C) 2021 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.window; 18 19 import android.os.IBinder; 20 21 /** 22 * Implemented by WM Core to know the metrics of transition that runs on a different process. 23 * @hide 24 */ 25 oneway interface ITransitionMetricsReporter { 26 27 /** 28 * Called when the transition animation starts. 29 * 30 * @param startTime The time when the animation started. 31 */ reportAnimationStart(IBinder transitionToken, long startTime)32 void reportAnimationStart(IBinder transitionToken, long startTime); 33 } 34