1 /* 2 * Copyright 2022 Google LLC 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.google.android.libraries.mobiledatadownload.internal; 17 18 import android.os.Build.VERSION_CODES; 19 import android.os.SystemClock; 20 import androidx.annotation.RequiresApi; 21 import com.google.android.libraries.mobiledatadownload.TimeSource; 22 23 /** 24 * Implementation of {@link com.google.android.libraries.mobiledatadownload.TimeSource} based on 25 * Android platform APIs. 26 */ 27 28 // necessary since cgal.clock isn't available in 3P 29 @RequiresApi(VERSION_CODES.JELLY_BEAN_MR1) // android.os.SystemClock#elapsedRealtimeNanos 30 public final class AndroidTimeSource implements TimeSource { 31 32 @Override currentTimeMillis()33 public long currentTimeMillis() { 34 return System.currentTimeMillis(); 35 } 36 37 @Override elapsedRealtimeNanos()38 public long elapsedRealtimeNanos() { 39 return SystemClock.elapsedRealtimeNanos(); 40 } 41 } 42