1 /* 2 * Copyright (C) 2023 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.cobalt.system; 18 19 /** 20 * Testable wrapper around {@link System} and {@link android.os.SystemClock}. 21 * 22 * <p>In tests, pass an instance of FakeSystemClock, which allows you to control the values returned 23 * by the methods below. 24 * 25 * <p>Copied from 26 * https://cs.android.com/android/platform/superproject/+/master:frameworks/base/packages/SystemUI/src/com/android/systemui/util/time/SystemClock.java 27 */ 28 public interface SystemClock { 29 /** 30 * @see System#currentTimeMillis() 31 */ currentTimeMillis()32 long currentTimeMillis(); 33 } 34