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 17 package com.android.tv.perf; 18 19 import android.app.Application; 20 21 /** Manages the initialization of Performance Monitoring. */ 22 public interface PerformanceMonitorManager { 23 24 /** 25 * Initializes the {@link com.android.tv.perf.PerformanceMonitor}. 26 * 27 * <p>This should only be called once. 28 */ initialize(Application app)29 PerformanceMonitor initialize(Application app); 30 31 /** 32 * Returns a lightweight object to help measure both cold and warm startup latency. 33 * 34 * <p>This method is idempotent and lightweight. It can be called multiple times and does not 35 * need to be cached. 36 */ getStartupMeasure()37 StartupMeasure getStartupMeasure(); 38 } 39